appmintNative (AI से बने ऐप)

Copyimport { actionSheet, haptic } from '@/lib/appmintNative';

export async function onNoteMenu(note: { id: string }, api: {
  edit(id: string): void; share(id: string): void; remove(id: string): void;
}) {
  const i = await actionSheet('Note', [
    { title: 'Edit' },
    { title: 'Share' },
    { title: 'Delete', destructive: true },
  ]);
  if (i === null) return;                 // dismissed
  if (i === 0) api.edit(note.id);
  if (i === 1) api.share(note.id);
  if (i === 2) { haptic('warning'); api.remove(note.id); }
}

Copyimport { useEffect, useRef } from 'react';
import { actionSheet, longPress } from '@/lib/appmintNative';

export function Row({ label }: { label: string }) {
  const ref = useRef<HTMLLIElement>(null);
  const openMenu = () => actionSheet(label, [{ title: 'Rename' }, { title: 'Delete', destructive: true }]);
  useEffect(() => (ref.current ? longPress(ref.current, () => void openMenu()) : undefined), []);
  return <li ref={ref}>{label} <button aria-label="More actions" onClick={() => void openMenu()}>⋯</button></li>;
}

Copyimport { ActionSheet } from '@/lib/appmintNative';

const { index } = await ActionSheet.showActions({
  title: 'Photo',
  options: [{ title: 'Save' }, { title: 'Delete', destructive: true }],
});
if (index === 1) console.log('delete');   // -1 = dismissed; never test with `if (index)`

Copyimport { actionSheet, haptic } from '@/lib/appmintNative';

export async function onNoteMenu(note: { id: string }, api: {
  edit(id: string): void; share(id: string): void; remove(id: string): void;
}) {
  const i = await actionSheet('Note', [
    { title: 'Edit' },
    { title: 'Share' },
    { title: 'Delete', destructive: true },
  ]);
  if (i === null) return;                 // dismissed
  if (i === 0) api.edit(note.id);
  if (i === 1) api.share(note.id);
  if (i === 2) { haptic('warning'); api.remove(note.id); }
}

Copyimport { useEffect, useRef } from 'react';
import { actionSheet, longPress } from '@/lib/appmintNative';

export function Row({ label }: { label: string }) {
  const ref = useRef<HTMLLIElement>(null);
  const openMenu = () => actionSheet(label, [{ title: 'Rename' }, { title: 'Delete', destructive: true }]);
  useEffect(() => (ref.current ? longPress(ref.current, () => void openMenu()) : undefined), []);
  return <li ref={ref}>{label} <button aria-label="More actions" onClick={() => void openMenu()}>⋯</button></li>;
}

Copyimport { ActionSheet } from '@/lib/appmintNative';

const { index } = await ActionSheet.showActions({
  title: 'Photo',
  options: [{ title: 'Save' }, { title: 'Delete', destructive: true }],
});
if (index === 1) console.log('delete');   // -1 = dismissed; never test with `if (index)`

Copyimport { addContact, can } from '@/lib/appmintNative';

export async function saveCustomer(name: string, phone: string, email: string): Promise<string> {
  if (can('contactAdd') === 'none') return 'Saving contacts works in the app only.';
  try {
    const ok = await addContact({ name, phones: [phone], emails: email ? [email] : [] });
    return ok ? 'Saved to contacts' : 'Allow contacts access to save it';
  } catch (e) {
    return (e as { code?: string }).code === 'not_enabled'
      ? 'Saving contacts is not switched on in this app.'
      : 'No answer from the phone. Try again.';     // 5-minute timeout
  }
}

Copyimport { addContact, searchContacts, can } from '@/lib/appmintNative';

export async function addIfNew(name: string, phone: string): Promise<'added' | 'exists' | 'refused' | 'app_only'> {
  if (can('contactAdd') === 'none') return 'app_only';
  const found = await searchContacts(name, 5);
  if (found.some((c) => c.phones?.includes(phone))) return 'exists';
  return (await addContact({ name, phones: [phone] })) ? 'added' : 'refused';
}

Copyimport { useState } from 'react';
import { addContact } from '@/lib/appmintNative';

export function SaveContactButton({ name, phone }: { name: string; phone: string }) {
  const [msg, setMsg] = useState('');
  async function onTap() {
    try {
      setMsg((await addContact({ name, phones: [phone] })) ? 'Saved.' : 'Contacts access was declined.');
    } catch (e) {
      const code = (e as { code?: string }).code;
      setMsg(code === 'foreign_origin' || code === 'not_enabled' ? 'This build cannot save contacts.' : 'Try again.');
    }
  }
  return <button onClick={onTap}>{msg || 'Save to contacts'}</button>;
}

Copyimport { alarmSupport } from '@/lib/appmintNative';

export function AlarmSetupBanner() {
  const s = alarmSupport();
  if (s === 'ready' || s === 'unavailable') return null;
  const text = {
    not_enabled: 'This app was built without alarm clocks.',
    needs_exact_alarm: 'Allow "Alarms & reminders" for this app in Settings.',
    needs_notification_permission: 'Allow notifications so you can stop the alarm.',
  }[s];
  return <p role="alert">{text}</p>;
}

Copyimport { alarmSupport, scheduleAlarm } from '@/lib/appmintNative';

export function setMorningAlarm(hour: number, minute: number): string {
  const s = alarmSupport();
  if (s !== 'ready') return `Alarm not set (${s}).`;       // 'not_enabled', 'needs_exact_alarm', ...
  const first = new Date();
  first.setHours(hour, minute, 0, 0);
  if (first.getTime() <= Date.now()) first.setDate(first.getDate() + 1);
  const ok = scheduleAlarm('morning', { at: first.getTime(), title: 'Wake up', repeat: 'daily', snoozeMinutes: 5 });
  return ok ? 'Alarm set.' : 'The phone did not accept the alarm.';
}

Copyimport { useEffect, useState } from 'react';
import { alarmSupport, onAlarm, snoozeAlarm, stopAlarm } from '@/lib/appmintNative';

export function AlarmPanel() {
  const [ringing, setRinging] = useState<string | null>(null);
  useEffect(() => onAlarm((e) => {
    if (e.action === 'open') setRinging(e.ringing ? e.id : null);
    else setRinging(null);                                  // dismiss, snooze, missed, error
  }), []);
  if (alarmSupport() === 'unavailable') return null;        // web and iOS: draw nothing
  if (!ringing) return null;
  return (
    <div role="alertdialog">
      <button onClick={() => stopAlarm(ringing)}>Stop</button>
      <button onClick={() => snoozeAlarm(ringing, 10)}>Snooze 10 min</button>
    </div>
  );
}

Copyimport { App } from '@/lib/appmintNative';

const info = await App.getInfo();
aboutLine.textContent = `${info.name} ${info.version}${info.build ? ` (${info.build})` : ''}`;

Copyimport { App, Dialog } from '@/lib/appmintNative';

async function quit() {
  const { value } = await Dialog.confirm({ title: 'Quit?', message: 'Unsaved changes will be lost.' });
  if (value) App.exitApp();
}

Copyimport { useEffect, useState } from 'react';
import { App } from '@/lib/appmintNative';

export function VersionLabel() {
  const [text, setText] = useState('');
  useEffect(() => {
    void App.getInfo().then((i) => setText(`${i.name} v${i.version}`));
  }, []);
  return <small>{text}</small>;
}

Copyimport { appLauncher } from '@/lib/appmintNative';

async function chat(phone: string, text: string) {
  const url = `whatsapp://send?phone=${phone}&text=${encodeURIComponent(text)}`;
  if (!(await appLauncher.canOpen(url))) {
    showMessage('WhatsApp is not installed on this phone.');
    return;
  }
  await appLauncher.open(url);
}

Copyimport { appLauncher } from '@/lib/appmintNative';

await appLauncher.open('tel:+15551234567');
await appLauncher.open('mailto:[email protected]?subject=Order%2042');

Copyimport { appLauncher } from '@/lib/appmintNative';

export async function showOnMap(lat: number, lng: number, label: string) {
  const ok = await appLauncher.open(`geo:${lat},${lng}?q=${lat},${lng}(${encodeURIComponent(label)})`);
  if (!ok) showMessage('No maps app could open this place.');
}

Copyimport { useEffect, useState } from 'react';
import { appLock } from '@/lib/appmintNative';

/** Call once in your root component; render a lock screen while it returns true. */
export function useAppLock(): boolean {
  const [locked, setLocked] = useState(false);
  useEffect(() => appLock({
    timeoutSec: 60,                 // lock after 1 minute in the background (default 30)
    title: 'Unlock MyNotes',
    onLocked: setLocked,            // true → cover the screen, false → show the app again
  }), []);                          // appLock returns its own stop function = the cleanup
  return locked;
}

Copyimport { appLock } from '@/lib/appmintNative';

let stopLock: (() => void) | null = null;

export function onSignedIn() {
  stopLock = appLock({ timeoutSec: 120, title: 'Unlock your wallet' });
}

export function onSignedOut() {
  stopLock?.();            // removes the listener and turns the privacy screen off
  stopLock = null;
}

Copyimport { appLock, can, unlock } from '@/lib/appmintNative';

export function LockSettings({ onLockedChange }: { onLockedChange: (locked: boolean) => void }) {
  if (can('unlock') === 'none') return <p>This device has no screen lock to use.</p>;   // appLock would do nothing here
  return (
    <>
      <button onClick={() => appLock({ onLocked: onLockedChange })}>Turn on app lock</button>
      <button onClick={async () => { onLockedChange(true); if (await unlock('Unlock')) onLockedChange(false); }}>
        Lock now
      </button>
    </>
  );
}

Copyimport { appUpdate } from '@/lib/appmintNative';

async function offerUpdate() {
  const info = await appUpdate.check();
  if (!info?.inPlace) return;                    // Play can install an update now
  showBanner('A new version is ready', async () => {
    const done = await appUpdate.start();        // Play's full-screen flow / the App Store page
    if (!done) showBanner('Update later from the store.', null);
  });
}

Copyimport { appUpdate } from '@/lib/appmintNative';

export async function updateStatus(): Promise<string> {
  const info = await appUpdate.check();
  if (!info) return 'Update check is not available here.';     // web, no Play services, or Play failed
  if (!info.updateAvailable) return `You have the latest version (${info.currentVersion}).`;
  return `Update available: version code ${info.availableVersion} (you have ${info.currentVersionCode}).`;
}

Copyimport { useEffect, useState } from 'react';
import { appUpdate, type AppUpdateInfo } from '@/lib/appmintNative';

export function UpdateBanner() {
  const [info, setInfo] = useState<AppUpdateInfo | null>(null);
  useEffect(() => { void appUpdate.check().then(setInfo); }, []);
  if (!info?.updateAvailable) return null;
  return <button onClick={() => void appUpdate.start()}>Update now</button>;
}

Copyimport { askForReview } from '@/lib/appmintNative';

export async function onRateTap() {
  const r = await askForReview({ openStore: true });   // listing if Play shows no sheet
  if (r.result === 'shown' || r.openedStore) toast('Thanks for rating!');
}

Copyimport { askForReview } from '@/lib/appmintNative';

export async function rateMessage(): Promise<string> {
  const r = await askForReview();
  switch (r.result) {
    case 'shown': return 'Thanks for rating!';
    case 'not_from_play': return 'Rating works for installs from Google Play.';
    case 'quota': return 'Google limits how often the sheet shows. Try again later.';
    case 'unavailable': return '';                       // the web: draw no rating button at all
    default: return `Could not open the rating sheet${r.message ? `: ${r.message}` : ''}.`;
  }
}

Copyimport { askForReview } from '@/lib/appmintNative';

export async function maybeAskAfterTask(completed: number) {
  if (completed !== 3 || localStorage.getItem('asked-review')) return;
  localStorage.setItem('asked-review', '1');
  await askForReview();
}

Copyimport { backgroundLocation, type LocationFix } from '@/lib/appmintNative';

export async function startRun(onPoint: (p: LocationFix) => void) {
  const r = await backgroundLocation.start({ intervalMs: 5000, minDistanceM: 5, accuracy: 'high',
    uploadUrl: 'https://api.example.com/run-points' });
  if (!r.ok) throw new Error(r.reason);
  const off = backgroundLocation.onFix((d) => { if (d.type === 'fix') onPoint(d); });
  // Points recorded while the screen was off:
  (await backgroundLocation.buffered()).forEach(onPoint);
  await backgroundLocation.clearBuffered();
  return async () => { off(); await backgroundLocation.stop(); };
}

Copyimport { backgroundLocation } from '@/lib/appmintNative';

export async function beginTracking(): Promise<string> {
  if (backgroundLocation.available() === 'none') return 'Background location works in the app only.';
  const p = await backgroundLocation.requestAlways();
  if (p.error) return `Could not ask for permission (${p.error}).`;
  if (p.background !== 'granted') return 'Choose "Allow all the time" to keep tracking with the screen off.';
  const r = await backgroundLocation.start({ intervalMs: 10000, accuracy: 'balanced' });
  return r.ok ? 'Tracking.' : `Could not start (${r.reason}).`;
}

Copyimport { useEffect, useState } from 'react';
import { backgroundLocation, type LocationFix } from '@/lib/appmintNative';

export function useLastFix(): LocationFix | null {
  const [fix, setFix] = useState<LocationFix | null>(null);
  useEffect(() => backgroundLocation.onFix((d) => {
    if (d.type === 'fix') setFix(d);          // { type: 'error', reason } events are skipped here
  }), []);                                    // onFix returns its unsubscribe
  return fix;
}

Copyimport { backgroundSync, can } from '@/lib/appmintNative';

export async function saveDraft(draft: object, token: string) {
  if (can('backgroundSync') === 'none') return false;   // web: save normally instead
  return backgroundSync.enqueue({
    id: 'draft',
    url: 'https://api.example.com/drafts',
    method: 'PUT',
    headers: { Authorization: `Bearer ${token}` },
    body: JSON.stringify(draft),
  });
}

Copyawait backgroundSync.schedule({
  id: 'sync', url: 'https://api.example.com/sync', body: '{}', intervalMinutes: 60,
});

const jobs = await backgroundSync.list();
console.log(jobs.map((j) => `${j.id} ${j.periodic ? 'repeating' : 'one-off'}`));

await backgroundSync.cancel('sync');

Copywindow.addEventListener('appmint:work', function (e) {
  // { id, status: 'enqueued' | 'scheduled' | 'cancelled' | 'failed', reason?, intervalMinutes? }
  // or { requestId, jobs: [...] } for a list
  console.log('work', e.detail);
});

Copyimport { backgroundTasks, notify } from '@/lib/appmintNative';

// In the app's entry file, before rendering:
if (backgroundTasks.isBackgroundRun()) {
  backgroundTasks.onRun(async (run) => {
    try {
      const unread = await fetch('/api/unread').then((r) => r.json());
      if (unread.count > 0) await notify({ title: 'New messages', body: `${unread.count} unread` });
      await backgroundTasks.done(run.runId, { ok: true });
    } catch {
      await backgroundTasks.done(run.runId, { ok: false, retry: true });
    }
  });
} else {
  void backgroundTasks.register('unread', { intervalMinutes: 30, requiresNetwork: true });
  // renderApp();
}

Copyimport { backgroundTasks } from '@/lib/appmintNative';

export async function onSignedIn() {
  const r = await backgroundTasks.register('sync', { intervalMinutes: 60, requiresNetwork: true });
  if (!r.ok) console.warn('Background sync not set up:', r.reason);   // 'not_enabled' or 'unsupported'
}

export async function onSignedOut() {
  await backgroundTasks.unregister('sync');
}

export async function taskCountText(): Promise<string> {
  const tasks = await backgroundTasks.list();
  return tasks.length ? `Registered tasks: ${tasks.length}` : 'No background tasks.';
}

Copyimport { backgroundTasks } from '@/lib/appmintNative';

export function SyncNowButton() {
  return (
    <button
      disabled={backgroundTasks.available() === 'none'}
      onClick={async () => {
        const r = await backgroundTasks.runNow('sync');
        if (!r.ok) alert(`Could not run it (${r.reason}).`);
      }}
    >
      Sync now
    </button>
  );
}

Copyimport { badge, pushInbox } from '@/lib/appmintNative';

export async function syncBadge() {
  const unread = pushInbox().filter((m) => !m.read).length;
  await badge.set(unread);        // 0 or less clears it
}

export async function onInboxOpened() {
  await badge.clear();
}

Copyimport { badge, pushInbox } from '@/lib/appmintNative';

export function watchInbox(): () => void {
  const refresh = () => void badge.set(pushInbox().filter((m) => !m.read).length);
  window.addEventListener('appmint:push', refresh);
  refresh();
  return () => window.removeEventListener('appmint:push', refresh);
}

Copyimport { badge, can, markPushRead } from '@/lib/appmintNative';

export async function markAllRead(): Promise<boolean> {
  markPushRead();                              // no id = every message
  if (can('badge') === 'none') return false;   // the web: nothing to clear
  await badge.clear();
  return true;
}

Copyimport { useEffect, useState } from 'react';
import { barcodeFormats } from '@/lib/appmintNative';

export function useCanReadEan(): boolean {
  const [ok, setOk] = useState(false);
  useEffect(() => {
    void barcodeFormats().then((f) => setOk(f.includes('ean_13')));
  }, []);
  return ok;
}

Copyimport { barcodeFormats, readBarcodeFrom, type BarcodeFormat } from '@/lib/appmintNative';

declare const photo: File;
const wanted: BarcodeFormat[] = ['qr_code', 'ean_13'];
const have = await barcodeFormats();
const codes = await readBarcodeFrom(photo, wanted.filter((f) => have.includes(f)));

Copyimport { useEffect, useState } from 'react';
import { barcodeFormats } from '@/lib/appmintNative';

export function FormatPicker({ onPick }: { onPick: (format: string) => void }) {
  const [formats, setFormats] = useState<string[]>([]);
  useEffect(() => { void barcodeFormats().then(setFormats); }, []);
  if (formats.length === 0) return <p>Barcode reading is not available on this device.</p>;   // [] = none
  return (
    <select onChange={(e) => onPick(e.target.value)}>
      {formats.map((f) => <option key={f} value={f}>{f}</option>)}
    </select>
  );
}

Copyimport { batteryOptimization } from '@/lib/appmintNative';

export async function makeReliable() {
  if (batteryOptimization.isIgnoring()) return true;
  const how = await batteryOptimization.request();
  if (how === 'settings_opened') alert('Choose this app in the list and set it to "Not optimised".');
  return false;
}

Copyimport { useState } from 'react';
import { batteryOptimization } from '@/lib/appmintNative';

export function BatteryRow() {
  const [ignoring, setIgnoring] = useState(batteryOptimization.isIgnoring());
  return (
    <button
      disabled={ignoring}
      onClick={async () => {
        const how = await batteryOptimization.request();
        if (how === 'unsupported' || how === 'unavailable') alert('This phone has no setting for it.');
        setIgnoring(batteryOptimization.isIgnoring());   // reads the current answer after the dialog or settings screen
      }}
    >
      {ignoring ? 'Battery limits are off' : 'Allow background work'}
    </button>
  );
}

Copyimport { batteryOptimization, keepAlive } from '@/lib/appmintNative';

export async function startUpload() {
  if (!batteryOptimization.isIgnoring()) await batteryOptimization.request();
  const r = await keepAlive.start({ title: 'Uploading photos', type: 'dataSync' });
  if (!r.ok) throw new Error(r.reason);
}

Copyimport { useEffect, useState } from 'react';
import { bleSensors } from '@/lib/appmintNative';

type BleDetail = {
  kind: 'device' | 'state' | 'data' | 'error';
  address?: string; name?: string | null; sensors?: string[]; rssi?: number;
  state?: 'scanning' | 'scan_stopped' | 'connecting' | 'connected' | 'ready' | 'disconnected';
  type?: 'heart_rate' | 'speed_cadence' | 'power' | 'running' | 'battery';
  data?: { bpm?: number; speedKmh?: number; cadenceRpm?: number; watts?: number; cadenceSpm?: number; percent?: number };
  error?: string;
};

export function SensorPanel() {
  const [devices, setDevices] = useState<BleDetail[]>([]);
  const [bpm, setBpm] = useState<number | null>(null);
  const [status, setStatus] = useState('');

  useEffect(() => {
    const onBle = (e: Event) => {
      const d = (e as CustomEvent<BleDetail>).detail;
      if (d.kind === 'device') setDevices((list) => [...list, d]);
      else if (d.kind === 'state') setStatus(d.state ?? '');
      else if (d.kind === 'data' && d.type === 'heart_rate') setBpm(d.data?.bpm ?? null);
      else if (d.kind === 'error') {
        setStatus(d.error === 'not_enabled' ? 'Sensors work in the installed app.' : `Bluetooth: ${d.error}`);
      }
    };
    window.addEventListener('appmint:ble', onBle);
    return () => { window.removeEventListener('appmint:ble', onBle); void bleSensors.disconnect(); };
  }, []);

  return (
    <div>
      <button onClick={() => { setDevices([]); bleSensors.setWheelCircumference(2105); void bleSensors.startScan(); }}>
        Find sensors
      </button>
      {devices.map((d) => (
        <button key={d.address} onClick={() => void bleSensors.connect(d.address!)}>
          {d.name ?? 'Sensor'} ({d.sensors?.join(', ')})
        </button>
      ))}
      <p>{status}</p>
      {bpm !== null && <p>{bpm} bpm</p>}
    </div>
  );
}

Copyimport { bleSensors, can } from '@/lib/appmintNative';

export function SensorsEntry() {
  // 'native' only: in Chrome can('bluetooth') is 'web', which bleSensors does not use.
  if (can('bluetooth') !== 'native') return <p>Heart-rate sensors work in the installed app.</p>;
  return <button onClick={() => void bleSensors.startScan()}>Find sensors</button>;
}

Copyimport { useEffect, useState } from 'react';
import { bleSensors } from '@/lib/appmintNative';

type BikeEvent = { kind: string; address?: string; type?: string; data?: { speedKmh?: number } };

export function BikeSpeed() {
  const [kmh, setKmh] = useState<number | null>(null);

  useEffect(() => {
    bleSensors.setWheelCircumference(2096);   // 700x23c
    const onBle = (e: Event) => {
      const d = (e as CustomEvent<BikeEvent>).detail;
      if (d.kind === 'device' && d.address) {
        void bleSensors.stopScan().then(() => bleSensors.connect(d.address!));
      } else if (d.kind === 'data' && d.type === 'speed_cadence') {
        setKmh(d.data?.speedKmh ?? null);
      }
    };
    window.addEventListener('appmint:ble', onBle);
    void bleSensors.startScan();
    return () => { window.removeEventListener('appmint:ble', onBle); void bleSensors.disconnect(); };
  }, []);

  return <p>{kmh === null ? 'Looking for a sensor...' : `${kmh.toFixed(1)} km/h`}</p>;
}

Copyimport { brightness, can } from '@/lib/appmintNative';
import { useEffect } from 'react';

function TicketScreen() {
  useEffect(() => {
    if (can('brightness') === 'none') return;
    void brightness.set(1);
    return () => { void brightness.restore(); };
  }, []);
  return <QrCode />;
}

Copyimport { brightness } from '@/lib/appmintNative';

export async function showBoardingPass(render: () => Promise<void>) {
  const before = await brightness.get();   // -1 = following the system, null = not readable here
  const ok = await brightness.set(1);
  try {
    await render();
  } finally {
    if (ok) await brightness.restore();    // returns to the system level
  }
  return before;
}

Copyimport { brightness, keepAwake, can } from '@/lib/appmintNative';
import { useEffect } from 'react';

export function useQrPresenting(active: boolean) {
  useEffect(() => {
    if (!active) return;
    if (can('brightness') !== 'none') void brightness.set(0.95);
    void keepAwake(true);
    return () => { void brightness.restore(); void keepAwake(false); };
  }, [active]);
}

Copyimport { browser } from '@/lib/appmintNative';

async function openHelp() {
  const off = browser.onClosed(() => {
    off();
    void refreshAccount();       // the user may have changed something on the site
  });
  const ok = await browser.open('https://example.com/help', { toolbarColor: '#0B0F1A' });
  if (!ok) { off(); showMessage('Could not open the help page.'); }
}

Copyimport { browser, toast } from '@/lib/appmintNative';

export function TermsLink() {
  return (
    <button
      onClick={async () => {
        if (!(await browser.open('https://example.com/terms'))) toast('Could not open the terms page');
      }}
    >
      Terms of use
    </button>
  );
}

Copyimport { useEffect } from 'react';
import { browser } from '@/lib/appmintNative';

export function usePaymentTab(onBack: () => void) {
  useEffect(() => browser.onClosed(onBack), [onBack]);   // the returned function unsubscribes
  return {
    start: (url: string) => browser.open(url),
    cancel: () => browser.close(),   // closes the tab in the app; does nothing on the web
  };
}

Copyimport { calendar } from '@/lib/appmintNative';

async function addBooking(b: { name: string; at: Date; minutes: number; place: string }) {
  if ((await calendar.requestPermission()) !== 'granted') {
    showMessage('Allow calendar access to add the booking.');
    return;
  }
  const id = await calendar.createEvent({
    title: `Booking: ${b.name}`,
    start: b.at,
    end: new Date(b.at.getTime() + b.minutes * 60_000),
    location: b.place,
    notes: 'Added by the app',
  });
  if (id) saveEventId(b, id);
}

Copyimport { calendar, can } from '@/lib/appmintNative';

if (can('calendarRead') !== 'none') {
  const week = await calendar.listEvents({ from: Date.now(), to: Date.now() + 7 * 86_400_000 });
  if (week[0]) await calendar.deleteEvent(week[0].id);
}
await calendar.openCalendar(new Date());

Copyimport { calendar, can, toast } from '@/lib/appmintNative';

export async function addReminder(title: string, when: Date) {
  if (can('calendarWrite') === 'none') { toast('Calendar is not available here'); return null; }
  const id = await calendar.createEvent({ title, start: when, end: new Date(when.getTime() + 30 * 60_000) });
  toast(id ? 'Added to your calendar' : 'Calendar access was refused');
  return id;
}

Copyimport { camera } from '@/lib/appmintNative';

export async function takeSelfie(img: HTMLImageElement): Promise<boolean> {
  const photo = await camera.take({ source: 'camera', direction: 'front', quality: 70 });
  if (!photo) return false;                 // cancelled or permission refused
  img.src = photo.dataUrl;                  // "data:image/jpeg;base64,..."
  return true;
}

Copyimport { camera } from '@/lib/appmintNative';

const one = await camera.take({ source: 'photos' });          // Photo | null
const many = await camera.pick({ limit: 5, quality: 80 });    // Photo[] (limit 0 = no limit)
console.log(one?.mime, many.length);

Copyimport { camera } from '@/lib/appmintNative';

const p = await camera.take();
if (p) {
  const blob = await (await fetch(p.dataUrl)).blob();
  const form = new FormData();
  form.append('file', blob, 'photo.jpg');
  await fetch('https://api.example.com/upload', { method: 'POST', body: form });
}

Copyimport { can, share } from '@/lib/appmintNative';

export function ShareButton({ url }: { url: string }) {
  if (can('share') === 'none') return null;   // never ship a dead button
  return <button onClick={() => void share({ title: 'Have a look', url })}>Share</button>;
}

Copyimport { can } from '@/lib/appmintNative';

const contacts = can('contactList') !== 'none'; // 'none' on the web
const lockLabel = can('unlock') === 'native' ? 'Unlock with fingerprint' : 'Unlock with a passkey';

Copyimport { can, has, keepAwake } from '@/lib/appmintNative';

export function KeepScreenOn({ on }: { on: boolean }) {
  if (!has('keepAwake')) return <p>Keep-awake is not available on this device.</p>;
  return <label><input type="checkbox" checked={on} onChange={(e) => void keepAwake(e.target.checked)} /> Keep screen on</label>;
}

export const scansInApp = can('codeScanner') === 'native';

Copyimport { clearPushInbox, pushInbox } from '@/lib/appmintNative';

export async function onClearAll(confirmDelete: () => Promise<boolean>) {
  if (!(await confirmDelete())) return pushInbox();
  clearPushInbox();
  return pushInbox();   // []
}

Copyimport { clearPushInbox, pushInbox, toast } from '@/lib/appmintNative';

export function InboxToolbar({ onChange }: { onChange: () => void }) {
  const count = pushInbox().length;
  if (count === 0) return null;
  return (
    <button
      onClick={() => {
        // false on the web, or in an app built without AppMint Push
        if (clearPushInbox()) { toast('Inbox cleared'); onChange(); }
        else toast('Could not clear the inbox here');
      }}
    >
      Clear all ({count})
    </button>
  );
}

Copyimport { markPushRead, pushInbox } from '@/lib/appmintNative';

export function markAllRead(): number {
  const unread = pushInbox().filter((m) => !m.read).length;
  markPushRead();   // no argument = every message
  return unread;
}

Copyimport { sharedText, clearShared } from '@/lib/appmintNative';

export async function importPendingShare(addNote: (text: string) => Promise<void>): Promise<boolean> {
  const p = sharedText();
  if (!p) return false;
  await addNote(p.text);
  clearShared();          // otherwise sharedText() returns the same share on the next mount
  return true;
}

Copyimport { sharedText, clearShared, toast } from '@/lib/appmintNative';

export async function saveSharedLink(save: (url: string) => Promise<void>) {
  const p = sharedText();
  if (!p?.url) return;
  try {
    await save(p.url);
    clearShared();
    toast('Saved');
  } catch {
    toast('Could not save, the shared link is still waiting');   // not cleared, so it is not lost
  }
}

Copyimport { useEffect } from 'react';
import { onShared, clearShared } from '@/lib/appmintNative';

export function useIncomingShare(addNote: (text: string) => void) {
  useEffect(() => onShared((p) => {
    addNote(p.subject ? `${p.subject}\n${p.text}` : p.text);
    clearShared();
  }), [addNote]);
}

Copyimport { click, haptic } from '@/lib/appmintNative';

export function KeypadKey({ label, onPress }: { label: string; onPress: () => void }) {
  return (
    <button
      onClick={() => {
        click();     // sound
        haptic();    // feel
        onPress();
      }}
    >
      {label}
    </button>
  );
}

Copyimport { click } from '@/lib/appmintNative';

export function useTapSound(enabled: boolean) {
  return () => { if (enabled) click(); };   // a no-op on the web and in apps built without Tap Sound
}

Copyimport { click, toast } from '@/lib/appmintNative';

export function Row({ name, onPick }: { name: string; onPick: () => void }) {
  return <li onClick={() => { click(); onPick(); toast(`${name} selected`); }}>{name}</li>;
}

Copyimport { Clipboard, can } from '@/lib/appmintNative';

async function copyInvite(code: string) {
  await Clipboard.write({ string: code });
}

async function pasteInvite(): Promise<string> {
  if (can('clipboardRead') === 'none') return '';   // hide the Paste button instead
  try {
    const { value } = await Clipboard.read();
    return value;
  } catch {
    return '';   // the browser denied clipboard access
  }
}

Copyimport { Clipboard, toast } from '@/lib/appmintNative';

export async function copyCode(code: string) {
  await Clipboard.write({ string: code });
  toast('Code copied');
}

Copyimport { Clipboard } from '@/lib/appmintNative';

export async function copyUrl(url: string) {
  await Clipboard.write({ url });   // used only because string is empty
}

export async function readCode(): Promise<string | null> {
  try {
    const { value } = await Clipboard.read();
    return value.trim() || null;    // '' = the clipboard is empty
  } catch {
    return null;                    // the browser denied access
  }
}

Copyimport { useEffect, useRef } from 'react';
import { collapsingHeader } from '@/lib/appmintNative';

export function NotesScreen() {
  const headerRef = useRef<HTMLElement>(null);
  const listRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    if (!headerRef.current || !listRef.current) return;
    return collapsingHeader(headerRef.current, { scroller: listRef.current, range: 80 });
  }, []);

  return (
    <div className="flex h-full flex-col">
      <header ref={headerRef} className="app-header">Notes</header>
      <div ref={listRef} className="flex-1 overflow-y-auto">{/* rows */}</div>
    </div>
  );
}

Copy.app-header { font-size: calc(28px - 10px * var(--collapse, 0)); padding-top: var(--safe-top); }
.app-header[data-collapsed] { box-shadow: 0 1px 0 var(--border); }

Copyimport { collapsingHeader } from '@/lib/appmintNative';

const header = document.querySelector<HTMLElement>('.app-header')!;
const stop = collapsingHeader(header);   // whole-page scroll, default 64 px range
addEventListener('pagehide', stop);

Copyimport { composeSms, can } from '@/lib/appmintNative';

export function setUpTextButton(button: HTMLButtonElement) {
  if (can('smsCompose') === 'none') { button.hidden = true; return; }
  button.addEventListener('click', () => {
    const opened = composeSms('+911234567890', 'Hi, is my order ready?');
    if (!opened) alert('Could not open the messaging app.');
  });
}

Copyimport { composeSms, can } from '@/lib/appmintNative';

export function useTextShop(phone: string) {
  const available = can('smsCompose') !== 'none' && phone.trim() !== '';
  return {
    available,
    send: (orderId: string) => composeSms(phone, `Hi, about order ${orderId}.`),
  };
}

Copyimport { composeSms, toast } from '@/lib/appmintNative';

export function inviteFriend(number: string, link: string) {
  if (!composeSms(number, `Join me: ${link}`)) toast('Could not open the messaging app');
}

Copyimport { can, copy, haptic, toast } from '@/lib/appmintNative';

export function CopyLink({ link }: { link: string }) {
  if (can('clipboardWrite') === 'none') return null;
  return (
    <button
      onClick={async () => {
        if (await copy(link)) { haptic('success'); toast('Link copied'); }
        else toast('Could not copy the link');
      }}
    >
      Copy link
    </button>
  );
}

Copyimport { Clipboard } from '@/lib/appmintNative';

await Clipboard.write({ string: 'ABC-123' });

Copyimport { copy, haptic, toast } from '@/lib/appmintNative';

export async function copyCoupon(code: string) {
  const ok = await copy(code);
  if (ok) haptic('success');
  toast(ok ? `Copied ${code}` : 'Copy failed, press and hold to copy');
  return ok;
}

Copyimport { can, copyImage, toast } from '@/lib/appmintNative';

export async function copyQr(canvas: HTMLCanvasElement) {
  if (can('clipboardImage') === 'none') return;
  const png = await new Promise<Blob | null>((r) => canvas.toBlob(r, 'image/png'));
  if (png && (await copyImage(png))) toast('QR code copied');
  else toast('Could not copy the image');
}

Copyimport { camera, copyImage, toast } from '@/lib/appmintNative';

export async function copySnapshot() {
  const photo = await camera.take({ source: 'camera' });
  if (!photo) return;                                  // the user cancelled
  const blob = await (await fetch(photo.dataUrl)).blob();
  toast((await copyImage(blob)) ? 'Photo copied' : 'Could not copy the photo');
}

Copyimport { useEffect, useState } from 'react';
import { can, copyImage, toast } from '@/lib/appmintNative';

export function CopyLogoButton({ src }: { src: string }) {
  const [ok, setOk] = useState(false);
  useEffect(() => { setOk(can('clipboardImage') !== 'none'); }, []);
  if (!ok) return null;
  return (
    <button onClick={async () => {
      const blob = await (await fetch(src)).blob();
      toast((await copyImage(blob)) ? 'Logo copied' : 'Copy failed');
    }}>
      Copy logo
    </button>
  );
}

Copyimport { Device } from '@/lib/appmintNative';

export async function aboutText(): Promise<string> {
  const info = await Device.getInfo();
  if (info.platform === 'web') return `Browser (${info.language})`;
  return `${info.model ?? 'Unknown model'} · ${info.operatingSystem} ${info.osVersion ?? ''}` +
    (info.isVirtual ? ' · emulator' : '');
}

Copyimport { Device } from '@/lib/appmintNative';

const { identifier } = await Device.getId();       // Capacitor ID in the app, installId() on the web
const { value: lang } = await Device.getLanguageCode();
await fetch('https://api.example.com/hello', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ device: identifier, lang }),
});

Copyimport { deviceInfo, Device } from '@/lib/appmintNative';

export async function footerText(): Promise<string> {
  const base = deviceInfo();                            // sync: platform, language, model, appVersion
  const rich = await Device.getInfo();                  // async: adds operatingSystem, isVirtual
  const app = base.appVersion ? `v${base.appVersion}` : 'web';
  return `${app} · ${rich.model ?? 'browser'} · ${rich.operatingSystem}`;
}

Copyimport { deviceInfo } from '@/lib/appmintNative';

const info = deviceInfo();
const isAndroidApp = info.platform === 'android';
const lang = info.language;                         // e.g. "en-IN"

Copyimport { deviceInfo } from '@/lib/appmintNative';

const info: any = deviceInfo();
if (info.platform === 'android') {
  console.log(`${info.manufacturer} ${info.model}`);        // "OPPO CPH2269"
  console.log(`Android ${info.osVersion}, app ${info.appVersion}`);
  console.log(`Battery ${info.runtime?.batteryLevel}%`);
}

Copyimport { deviceInfo } from '@/lib/appmintNative';

export function ShareHint() {
  const { platform, language } = deviceInfo();
  return platform === 'android'
    ? <p>Tap Share to send this from your phone.</p>
    : <p>Copy the link to share it ({language}).</p>;
}

Copyimport { Dialog } from '@/lib/appmintNative';

async function deleteList(id: string) {
  const { value } = await Dialog.confirm({
    title: 'Delete list?',
    message: 'All items in it will be removed.',
    okButtonTitle: 'Delete',
    cancelButtonTitle: 'Keep',
  });
  if (value) await removeList(id);
}

Copyimport { Dialog } from '@/lib/appmintNative';

await Dialog.alert({ title: 'Offline', message: 'Your changes will sync when you are back online.' });

const r = await Dialog.prompt({ title: 'Rename', message: 'New name', inputText: current, inputPlaceholder: 'List name' });
if (!r.cancelled && r.value.trim()) rename(r.value.trim());

Copyimport { Dialog, toast } from '@/lib/appmintNative';

export async function signOut(doSignOut: () => Promise<void>) {
  const { value } = await Dialog.confirm({
    title: 'Sign out?',
    message: 'You will need to sign in again.',
    okButtonTitle: 'Sign out',
    cancelButtonTitle: 'Stay',
  });
  if (!value) return;
  await doSignOut();
  toast('Signed out');
}

Copyimport { dismissPushMessage, restorePushMessage, pushInbox } from '@/lib/appmintNative';

export function swipeAway(id: string, setItems: (v: ReturnType<typeof pushInbox>) => void,
                          showUndo: (onUndo: () => void) => void) {
  if (!dismissPushMessage(id)) return;
  setItems(pushInbox());
  showUndo(() => {                         // e.g. a 5-second "Undo" snackbar
    restorePushMessage(id);
    setItems(pushInbox());
  });
}

Copyimport { useState } from 'react';
import { pushInbox, dismissPushMessage, restorePushMessage } from '@/lib/appmintNative';

export function Inbox() {
  const [items, setItems] = useState(pushInbox());
  const [undoId, setUndoId] = useState<string | null>(null);

  const swipe = (id: string) => {
    if (!dismissPushMessage(id)) return;     // false on the web or when AppMint Push is off
    setItems(pushInbox());
    setUndoId(id);
  };
  const undo = () => {
    if (undoId && restorePushMessage(undoId)) setItems(pushInbox());
    setUndoId(null);
  };

  return (
    <ul>
      {items.map((m) => <li key={m.id} onClick={() => swipe(m.id)}>{m.title}</li>)}
      {undoId && <button onClick={undo}>Undo</button>}
    </ul>
  );
}

Copyimport { pushInbox, dismissPushMessage, toast } from '@/lib/appmintNative';

export function tidyReadMessages(): number {
  const hidden = pushInbox().filter((m) => m.read && dismissPushMessage(m.id)).length;
  toast(hidden ? `${hidden} message(s) hidden` : 'Nothing to hide');
  return hidden;
}

Copyimport { docScanner, can } from '@/lib/appmintNative';

export function ScanButton({ onPages }: { onPages: (p: string[]) => void }) {
  if (can('docScanner') === 'none') return null;     // no web scanner: hide the button
  return (
    <button onClick={async () => {
      const res = await docScanner.scan({ pageLimit: 3, quality: 0.8 });
      if (res) onPages(res.pages);                   // each a data:image/jpeg;base64,… URL
    }}>
      Scan document
    </button>
  );
}

Copyimport { useEffect, useState } from 'react';
import { docScanner, can } from '@/lib/appmintNative';

export function ScanPanel() {
  const [ready, setReady] = useState(false);
  const [pages, setPages] = useState<string[]>([]);

  useEffect(() => {
    if (can('docScanner') === 'none') return;          // web: no scanner at all
    docScanner.isSupported().then(setReady);           // false without Google Play services
  }, []);

  if (!ready) return <p>Scanning is not available on this phone.</p>;
  return (
    <>
      <button onClick={async () => {
        const res = await docScanner.scan({ pageLimit: 5 });
        if (!res) return;                              // cancelled or could not start
        setPages((p) => [...p, ...res.pages]);
      }}>Scan pages</button>
      {pages.map((src, i) => <img key={i} src={src} alt={`Page ${i + 1}`} width={120} />)}
    </>
  );
}

Copyimport { docScanner, fileTransfer } from '@/lib/appmintNative';

export async function scanAndUpload(): Promise<boolean> {
  const res = await docScanner.scan({ pageLimit: 1, quality: 0.7 });
  if (!res || res.pages.length === 0) return false;
  const blob = await (await fetch(res.pages[0])).blob();
  const file = new File([blob], 'page-1.jpg', { type: 'image/jpeg' });
  const r = await fileTransfer.upload('https://example.com/api/scans', file, { fieldName: 'scan' });
  return r.responseCode >= 200 && r.responseCode < 300;
}

Copyimport { enableNotifications, getNotificationState } from '@/lib/appmintNative';

export async function TurnOnNotificationsBanner(el: HTMLElement) {
  const state = await getNotificationState();
  el.hidden = !(state === 'prompt' || state === 'blocked');
  el.querySelector('button')!.addEventListener('click', async () => {
    const r = await enableNotifications();
    el.hidden = r.state === 'granted';
  });
}

Copyimport { fileTransfer, fileViewer } from '@/lib/appmintNative';

async function getReport(bar: HTMLProgressElement) {
  try {
    const r = await fileTransfer.download('https://example.com/report.pdf', 'report.pdf', {
      headers: { Authorization: `Bearer ${token}` },
      onProgress: (p) => { bar.value = p.fraction; },     // {bytes, total, fraction 0..1}
    });
    if (r.path) await fileViewer.open(r.path);
  } catch (e) {
    alert(`Download failed: ${String(e)}`);
  }
}

Copyimport { fileTransfer } from '@/lib/appmintNative';

async function sendPhoto(file: File) {
  const r = await fileTransfer.upload('https://example.com/api/photos', file, {
    fieldName: 'photo',                // form field name, default 'file'
    headers: { Authorization: `Bearer ${token}` },
    onProgress: (p) => console.log(Math.round(p.fraction * 100) + '%'),
  });
  if (r.responseCode >= 200 && r.responseCode < 300) console.log('uploaded', r.responseBody);
  else alert(`Upload failed (${r.responseCode})`);
}

Copyimport { useState } from 'react';
import { fileTransfer, fileViewer } from '@/lib/appmintNative';

export function useOpenDocument() {
  const [percent, setPercent] = useState(0);
  const [error, setError] = useState<string | null>(null);

  const run = async (url: string, name: string) => {
    setError(null);
    try {
      const r = await fileTransfer.download(url, name, { onProgress: (p) => setPercent(Math.round(p.fraction * 100)) });
      if (r.path) await fileViewer.open(r.path);        // in the app; on the web the browser saved it
    } catch (e) {
      setError(String(e));
    }
  };
  return { percent, error, run };
}

Copyimport { fileViewer } from '@/lib/appmintNative';

async function openManual() {
  const ok = await fileViewer.open('https://example.com/manual.pdf');
  if (!ok) alert('No app on this phone can open this file.');
}

Copyimport { fileTransfer, fileViewer } from '@/lib/appmintNative';

const r = await fileTransfer.download('https://example.com/invoice.pdf', 'invoice.pdf');
if (r.path) await fileViewer.open(r.path);            // in the app
else if (r.blob) console.log('saved by the browser'); // on the web

Copyimport { fileViewer, toast } from '@/lib/appmintNative';

export function ManualButton({ url }: { url: string }) {
  return (
    <button onClick={async () => {
      if (!(await fileViewer.open(url))) toast('No app can open this file');
    }}>
      View manual
    </button>
  );
}

Copyimport { can, folder } from '@/lib/appmintNative';

export async function setupFolderPanel(el: { name: HTMLElement; connect: HTMLButtonElement; disconnect: HTMLButtonElement }) {
  if (can('folderAccess') === 'none') { el.connect.hidden = true; return; }   // web build, or not shipped

  const refresh = async () => {
    const on = await folder.connected();
    el.name.textContent = on ? `Saving to: ${await folder.label()}` : 'No folder chosen';
    el.connect.hidden = on;
    el.disconnect.hidden = !on;
  };

  el.connect.onclick = async () => { await folder.request(); await refresh(); };   // from a tap only
  el.disconnect.onclick = async () => { await folder.disconnect(); await refresh(); };
  await refresh();
}

Copyimport { folder } from '@/lib/appmintNative';

await folder.mkdir('notes');
const saved = await folder.writeText('notes/today.md', '# Today\n');   // parents created
const text = await folder.readText('notes/today.md');                  // null if missing
const entries = await folder.list('notes');
entries.forEach((e) => console.log(e.isDirectory ? 'dir ' : 'file', e.name, e.length));

const info = await folder.stat('notes/today.md');
if (info) console.log(info.size, 'bytes, writable:', info.canWrite);

await folder.rename('notes/today.md', 'journal.md');                   // a new NAME, not a path
await folder.remove('notes', true);                                    // recursive for a non-empty folder

Copyimport { can, folder, toast } from '@/lib/appmintNative';

export async function backupNote(name: string, text: string) {
  if (can('folderAccess') === 'none') return;
  if (!(await folder.connected()) && !(await folder.request())) {
    toast('Choose a folder to save backups');
    return;
  }
  const ok = await folder.writeText(`backups/${name}.md`, text);
  toast(ok ? 'Backed up' : 'Could not write to the folder');
}

Copyimport { useState } from 'react';
import { can, fullscreen } from '@/lib/appmintNative';

export function FullscreenToggle() {
  const [on, setOn] = useState(fullscreen.isOn());
  if (can('fullscreen') === 'none') return null;
  return (
    <button
      onClick={async () => {
        if (fullscreen.isOn()) await fullscreen.exit(); else await fullscreen.enter();
        setOn(fullscreen.isOn());
      }}
    >
      {on ? 'Exit full screen' : 'Full screen'}
    </button>
  );
}

Copyimport { useEffect } from 'react';
import { fullscreen } from '@/lib/appmintNative';

export function useFullscreenWhileOpen() {
  useEffect(() => {
    void fullscreen.enter();
    return () => { void fullscreen.exit(); };
  }, []);
}

Copyimport { useEffect, useState } from 'react';
import { fullscreen, can } from '@/lib/appmintNative';

export function useReaderMode() {
  const [on, setOn] = useState(false);
  useEffect(() => () => { void fullscreen.exit(); }, []);        // always leave on unmount
  const toggle = async () => {
    if (can('fullscreen') === 'none') return;
    if (fullscreen.isOn()) await fullscreen.exit(); else await fullscreen.enter();
    setOn(fullscreen.isOn());                                   // a refused web request leaves it off
  };
  return { on, toggle };
}

Copyimport { geofences, backgroundLocation } from '@/lib/appmintNative';

export async function remindAtStore(lat: number, lng: number) {
  let r = await geofences.add({ id: 'store', lat, lng, radiusM: 200, events: ['enter'],
    notify: { title: 'You are near the store', body: 'Your list is ready' } });
  if (!r.ok && r.reason === 'background_permission_required') {
    const p = await backgroundLocation.requestAlways();
    if (p.background === 'granted') r = await geofences.add({ id: 'store', lat, lng, radiusM: 200, events: ['enter'] });
  }
  return r.ok;
}

geofences.onEvent((e) => console.log(e.id, e.event, new Date(e.time)));

Copyimport { geofences } from '@/lib/appmintNative';

export async function geofenceReport(): Promise<string[]> {
  if (geofences.available() === 'none') return [];      // web build: no geofences
  const active = await geofences.list();
  const events = await geofences.events();              // oldest first, last 100
  return [
    `${active.length} active zone(s)`,
    ...events.map((e) => `${e.id} ${e.event} at ${new Date(e.time).toLocaleTimeString()}`),
  ];
}

Copyimport { geofences } from '@/lib/appmintNative';

export async function watchOffice(lat: number, lng: number): Promise<string> {
  const r = await geofences.add({ id: 'office', lat, lng, radiusM: 150, events: ['enter', 'exit'] });
  if (r.ok) return 'Office zone is on';
  if (r.reason === 'location_off') return 'Turn location on to use this';
  if (r.reason === 'too_many_geofences') return 'Remove a zone first';
  return `Could not add the zone (${r.reason ?? 'unknown'})`;
}

export async function stopWatchingOffice() {
  await geofences.remove('office');
  await geofences.clearEvents();
}

Copyimport { Geolocation } from '@/lib/appmintNative';

export async function currentSpot(): Promise<string> {
  try {
    const perm = await Geolocation.checkPermissions();
    if (perm.location !== 'granted') {
      const asked = await Geolocation.requestPermissions();
      if (asked.location !== 'granted') return 'Location is off for this app.';
    }
    const pos = await Geolocation.getCurrentPosition({ enableHighAccuracy: true, timeout: 15000 });
    return `${pos.coords.latitude.toFixed(5)}, ${pos.coords.longitude.toFixed(5)}`;
  } catch {
    return 'Could not get your location. Is location turned on?';
  }
}

Copyimport { Geolocation } from '@/lib/appmintNative';

let watchId: string | null = null;

export async function startRun(onPoint: (lat: number, lng: number) => void) {
  watchId = await Geolocation.watchPosition({ enableHighAccuracy: true }, (pos, err) => {
    if (!pos) { console.warn('location error', err); return; }
    onPoint(pos.coords.latitude, pos.coords.longitude);
  });
}

export async function stopRun() {
  if (watchId) { await Geolocation.clearWatch({ id: watchId }); watchId = null; }
}

Copyimport { Geolocation } from '@/lib/appmintNative';

export async function nearestCoords(): Promise<{ lat: number; lng: number } | null> {
  try {
    const pos = await Geolocation.getCurrentPosition({ timeout: 10000 });
    return { lat: pos.coords.latitude, lng: pos.coords.longitude };
  } catch {
    return null;                          // refused, timed out or location is off
  }
}

Copyimport { getNotificationState } from '@/lib/appmintNative';

export async function shouldShowNotifBanner(): Promise<boolean> {
  const state = await getNotificationState();
  return state === 'prompt' || state === 'blocked';
}

Copyimport { getPushTags, setPushTag } from '@/lib/appmintNative';

// Every setPushTag makes the install check in, so skip the calls that change nothing.
export function ensurePushTag(key: string, value: string) {
  if ((getPushTags()[key] ?? '') !== value) setPushTag(key, value);
}

ensurePushTag('plan', 'pro');

Copyimport { setPushTags } from '@/lib/appmintNative';

// Checkout finished: the cart tag goes away and the plan tag is set, all saved or none.
export function onCheckoutDone(plan: string) {
  const saved = setPushTags({ cart: '', plan });
  if (!saved) console.warn('push tags not saved (web, AppMint Push off, or a refused key or value)');
}

Copyimport { getPushTags } from '@/lib/appmintNative';

export function OffersHint() {
  const tags = getPushTags();                       // {} on the web
  if (Object.keys(tags).length === 0) return null;
  return <p>Offers for the {tags.plan ?? 'standard'} plan are on.</p>;
}

Copyimport { getPushUser, setPushUser } from '@/lib/appmintNative';

// On app start: the session expired while the app was closed, so stop personal messages here.
export function syncPushUser(currentUserId: string | null) {
  const want = currentUserId ?? '';
  if (getPushUser() !== want) setPushUser(want);
}

Copyimport { setPushUser } from '@/lib/appmintNative';

export function onSignedIn(userId: string) {
  if (!setPushUser(userId)) console.warn('push user id not saved');   // ids only: no email or phone number
}

export function onSignedOut() {
  setPushUser('');
}

Copyimport { useEffect, useState } from 'react';
import { getPushUser, setPushTag } from '@/lib/appmintNative';

export function usePushUser(plan: string) {
  const [id] = useState(getPushUser);
  useEffect(() => {
    if (id) setPushTag('plan', plan);     // only tag installs that belong to a signed-in user
  }, [id, plan]);
  return id;
}

Copyimport { getVolume } from '@/lib/appmintNative';

export function AlarmVolumeHint() {
  const v = getVolume('alarm');
  if (!v || v.percent > 0) return null;
  return <p role="alert">Your alarm volume is off, so the alarm will not be heard.</p>;
}

Copyimport { getVolume } from '@/lib/appmintNative';

export function MediaLevel() {
  const v = getVolume('media');
  if (!v) return null;                       // web: no phone volume to show
  return <progress max={100} value={v.percent} aria-label="Media volume" />;
}

Copyimport { useEffect, useState } from 'react';
import { getVolume, onVolumeChange, setVolume, requestDndAccess } from '@/lib/appmintNative';

export function useMediaPercent(): number | null {
  const [pct, setPct] = useState(() => getVolume('media')?.percent ?? null);
  useEffect(() => onVolumeChange((l) => { if (l.stream === 'media') setPct(l.percent); }), []);
  return pct;
}

export function raiseIfQuiet() {
  const v = getVolume('media');
  if (!v || v.percent >= 40) return;
  const r = setVolume('media', 60, true);
  if (!r.ok && r.error === 'dnd_access_required') requestDndAccess();   // the user must allow Do Not Disturb access
}

Copyimport { haptic } from '@/lib/appmintNative';

export function SaveButton({ onSave }: { onSave: () => Promise<boolean> }) {
  return (
    <button
      onClick={async () => {
        haptic();                          // light tap on press
        const ok = await onSave();
        haptic(ok ? 'success' : 'error');  // result feedback
      }}
    >
      Save
    </button>
  );
}

Copyimport { haptic } from '@/lib/appmintNative';

function onTabChange(tab: string) { haptic('selection'); setTab(tab); }
function onConfirmDelete() { haptic('heavy'); deleteItem(); }

Copyimport { haptic } from '@/lib/appmintNative';

export function LikeButton({ liked, onToggle }: { liked: boolean; onToggle: () => void }) {
  return (
    <button aria-pressed={liked} onClick={() => { haptic(liked ? 'light' : 'medium'); onToggle(); }}>
      {liked ? 'Liked' : 'Like'}
    </button>
  );
}

Copyimport { hapticPlay } from '@/lib/appmintNative';

async function onLevelComplete() {
  const felt = await hapticPlay('success-ramp');
  if (!felt) console.log('No vibration on this device');
  showConfetti();
}

Copyimport { hapticPlay } from '@/lib/appmintNative';

await hapticPlay([
  { at: 0,   intensity: 0.4 },               // soft tap
  { at: 150, intensity: 0.4 },               // soft tap
  { at: 320, duration: 120, intensity: 1 },  // strong buzz
]);

Copyimport { haptic, hapticPlay } from '@/lib/appmintNative';

export async function onAnswer(correct: boolean, streak: number) {
  haptic(correct ? 'success' : 'error');            // every answer
  if (correct && streak > 0 && streak % 5 === 0) {
    await hapticPlay('drum-roll');                  // every fifth in a row
  }
}

Copyimport { Haptics } from '@/lib/appmintNative';

Haptics.impact({ style: 'LIGHT' });        // 'LIGHT' | 'MEDIUM' | 'HEAVY'  (default 'LIGHT')
Haptics.notification({ type: 'SUCCESS' }); // 'SUCCESS' | 'WARNING' | 'ERROR' (default 'SUCCESS')
Haptics.vibrate({ duration: 300 });        // ms, default 300

Copyimport { Haptics } from '@/lib/appmintNative';

export function Stepper({ value, onChange }: { value: number; onChange: (v: number) => void }) {
  const step = (d: number) => { Haptics.selectionChanged(); onChange(value + d); };
  return (
    <div onPointerDown={() => Haptics.selectionStart()} onPointerUp={() => Haptics.selectionEnd()}>
      <button aria-label="Less" onClick={() => step(-1)}>-</button>
      <span>{value}</span>
      <button aria-label="More" onClick={() => step(1)}>+</button>
    </div>
  );
}

Copyimport { Haptics } from '@/lib/appmintNative';

export function onSubmit(valid: boolean) {
  Haptics.notification({ type: valid ? 'SUCCESS' : 'ERROR' });
  if (!valid) Haptics.vibrate({ duration: 200 });
}

Copyimport { has, copy, toast } from '@/lib/appmintNative';

export function CopyCode({ code }: { code: string }) {
  if (!has('clipboardWrite')) return <code>{code}</code>;   // no button where it cannot copy
  return (
    <button onClick={async () => { if (await copy(code)) toast('Copied'); }}>
      Copy {code}
    </button>
  );
}

Copyimport { has, scanCode } from '@/lib/appmintNative';

export async function onScanTap(): Promise<string | null> {
  if (!has('codeScanner')) return null;     // better: do not render the Scan button at all
  const hit = await scanCode({ formats: ['qr_code'] });
  return hit ? hit.value : null;
}

Copyimport { can, has } from '@/lib/appmintNative';

export function shareLabel(): string | null {
  if (!has('share')) return null;                      // nothing to share with: draw no button
  return can('share') === 'native' ? 'Share…' : 'Share link';
}

Copyimport { hideKeyboard, toast } from '@/lib/appmintNative';

export function SearchForm({ onSearch }: { onSearch: (q: string) => void }) {
  return (
    <form
      onSubmit={(e) => {
        e.preventDefault();
        const q = new FormData(e.currentTarget).get('q') as string;
        hideKeyboard();                       // show the results, not the keyboard
        onSearch(q);
        if (!q) toast('Type something to search');
      }}
    >
      <input name="q" type="search" enterKeyHint="search" aria-label="Search" />
    </form>
  );
}

Copyimport { useState } from 'react';
import { hideKeyboard } from '@/lib/appmintNative';

export function useSheet() {
  const [open, setOpen] = useState(false);
  return {
    open,
    show: () => { hideKeyboard(); setOpen(true); },
    hide: () => setOpen(false),
  };
}

Copyimport type { ReactNode } from 'react';
import { hideKeyboard } from '@/lib/appmintNative';

export function Screen({ children }: { children: ReactNode }) {
  return (
    <div onPointerDown={(e) => {
      if (!(e.target as HTMLElement).closest('input, textarea')) hideKeyboard();
    }}>
      {children}
    </div>
  );
}

Copyimport { inAppCampaigns } from '@/lib/appmintNative';

console.log(inAppCampaigns().map((c) => c.name));

Copyimport { inAppCampaigns } from '@/lib/appmintNative';

export function InAppDebug() {
  const list = inAppCampaigns();
  return <ul>{list.length ? list.map((c) => <li key={c.id}>{c.name}</li>) : <li>None for this install</li>}</ul>;
}

Copyimport { inAppCampaigns } from '@/lib/appmintNative';

export const hasCampaign = (name: string) => inAppCampaigns().some((c) => c.name === name);

Copyimport { installId } from '@/lib/appmintNative';

export async function claimTrial(): Promise<boolean> {
  let id: string;
  try {
    id = installId();
  } catch {
    return false;          // web with storage blocked (private mode): no stable id exists
  }
  const r = await fetch('https://api.example.com/trial', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ device: id }),
  });
  return r.ok;
}

Copyimport { installId } from '@/lib/appmintNative';

export function reportFirstOpen() {
  let id: string;
  try { id = installId(); } catch { return; }          // web with storage blocked: no stable id
  if (localStorage.getItem('first-open-sent')) return;
  navigator.sendBeacon('https://api.example.com/first-open', JSON.stringify({ install: id }));
  localStorage.setItem('first-open-sent', '1');
}

Copyimport { installId, copy, toast } from '@/lib/appmintNative';

export function SupportCode() {
  let code = '';
  try { code = installId().slice(0, 8); } catch { /* storage blocked: show nothing */ }
  if (!code) return null;
  return <button onClick={async () => { if (await copy(code)) toast('Copied'); }}>Support code {code}</button>;
}

Copyimport { useEffect, useState } from 'react';
import { isAlarmRinging, onAlarm } from '@/lib/appmintNative';

export function useRinging(): boolean {
  const [ringing, setRinging] = useState(isAlarmRinging);
  useEffect(() => onAlarm(() => setRinging(isAlarmRinging())), []);
  return ringing;
}

Copyimport { isAlarmRinging, stopAlarm, snoozeAlarm } from '@/lib/appmintNative';

export function RingingBar() {
  if (!isAlarmRinging()) return null;               // always false on the web
  return (
    <div role="alert">
      <button onClick={() => stopAlarm()}>Stop</button>
      <button onClick={() => snoozeAlarm('', 5)}>Snooze 5 min</button>
    </div>
  );
}

Copyimport { alarmSupport, isAlarmRinging } from '@/lib/appmintNative';

export function alarmState(): 'hidden' | 'ringing' | 'idle' {
  if (alarmSupport() === 'unavailable') return 'hidden';   // web or iOS: no alarm controls
  return isAlarmRinging() ? 'ringing' : 'idle';
}

Copyimport { isNativeApp } from '@/lib/appmintNative';

export function appBadgeText(): string {
  if (isNativeApp()) return 'Android app';
  return 'Get the app on Google Play';
}

Copyimport { isNativeApp, platform } from '@/lib/appmintNative';

export function analyticsSource(): string {
  return isNativeApp() ? `app-${platform()}` : 'browser';   // 'app-android' or 'browser'
}

Copyimport { isNativeApp } from '@/lib/appmintNative';

export function InstallBanner() {
  if (isNativeApp()) return null;        // already installed: no banner
  return <a href="https://play.google.com/store/apps/details?id=com.example.app">Get the app</a>;
}

Copyimport { keepAlive } from '@/lib/appmintNative';

export async function startRecording() {
  if (keepAlive.available() === 'none') return;
  const r = await keepAlive.start({ title: 'Recording', text: 'Tap to return', stopLabel: 'Stop' });
  if (!r.ok) console.warn('keep running refused:', r.reason);
}

const off = keepAlive.onState((d) => {
  if (d.state === 'stopped') console.log('service stopped:', d.reason);
});
// later: await keepAlive.update({ title: 'Recording', text: '12:30' }); await keepAlive.stop(); off();

Copyimport { keepAlive } from '@/lib/appmintNative';

export async function toggleTracking(on: boolean) {
  if (!on) { await keepAlive.stop(); return; }
  const r = await keepAlive.start({ title: 'Tracking', text: 'Running', type: 'dataSync' });
  if (!r.ok) {
    // 'unsupported' = browser or iOS; 'not_enabled' = the build did not tick Keep running in background
    alert(r.reason === 'not_enabled' ? 'Turn on Keep running in background and rebuild.' : 'Not available here.');
  }
}

Copyimport { useEffect, useState } from 'react';
import { keepAlive } from '@/lib/appmintNative';

export function useKeepAlive() {
  const [running, setRunning] = useState(keepAlive.isRunning);
  useEffect(() => keepAlive.onState((d) => setRunning(d.state === 'running')), []);
  return running;
}

export function reportProgress(done: number, total: number) {
  void keepAlive.update({ title: 'Uploading', text: `${done} of ${total}`, progress: { value: done, max: total } });
}

Copyimport { keepAwake } from '@/lib/appmintNative';
import { useEffect } from 'react';

function CookingMode() {
  useEffect(() => {
    void keepAwake(true);
    return () => { void keepAwake(false); };   // always release on unmount
  }, []);
  return <Steps />;
}

Copyimport { keepAwake, toast } from '@/lib/appmintNative';
import { useEffect } from 'react';

export function useAwakeWhile(running: boolean) {
  useEffect(() => {
    if (!running) return;
    let held = false;
    void keepAwake(true).then((ok) => {
      held = ok;
      if (!ok) toast('Your screen may turn off while the timer runs');
    });
    return () => { if (held) void keepAwake(false); };
  }, [running]);
}

Copyimport { keepAwake, can } from '@/lib/appmintNative';

export function holdScreenOn(): () => void {
  if (can('keepAwake') === 'none') return () => {};
  void keepAwake(true);
  const again = () => { if (document.visibilityState === 'visible') void keepAwake(true); };
  document.addEventListener('visibilitychange', again);
  return () => {
    document.removeEventListener('visibilitychange', again);
    void keepAwake(false);
  };
}

Copyimport { Keyboard } from '@/lib/appmintNative';

async function onSubmit(e: React.FormEvent) {
  e.preventDefault();
  await Keyboard.hide();
  await save();
}

Copyimport { Keyboard } from '@/lib/appmintNative';
import { useEffect } from 'react';

useEffect(() => {
  const h = Keyboard.addListener('keyboardDidShow', ({ keyboardHeight }) => {
    composer.style.paddingBottom = `${keyboardHeight}px`;
  });
  const g = Keyboard.addListener('keyboardDidHide', () => { composer.style.paddingBottom = '0px'; });
  return () => { h.remove(); g.remove(); };
}, []);

Copyimport { Keyboard } from '@/lib/appmintNative';
import { useEffect } from 'react';

export function useKeyboardScroll() {
  useEffect(() => {
    const h = Keyboard.addListener('keyboardDidShow', () => {
      document.activeElement?.scrollIntoView({ block: 'center', behavior: 'smooth' });
    });
    const onKey = (e: KeyboardEvent) => { if (e.key === 'Enter') void Keyboard.hide(); };
    window.addEventListener('keydown', onKey);
    return () => { h.remove(); window.removeEventListener('keydown', onKey); };
  }, []);
}

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { launchUrl } from '@/lib/appmintNative';

export function useLaunchRoute() {
  const navigate = useNavigate();
  useEffect(() => {
    void launchUrl().then((u) => {
      if (!u) return;
      const { pathname, search } = new URL(u);
      navigate(pathname + search, { replace: true });
    });
  }, [navigate]);
}

Copyimport { onDeepLink } from '@/lib/appmintNative';

const off = onDeepLink((url) => console.log('opened with', url));

Copyimport { launchUrl, onDeepLink } from '@/lib/appmintNative';

export async function startRoute(): Promise<string> {
  const u = await launchUrl();
  if (!u) return '/';                         // normal start, or the web
  const { pathname, search } = new URL(u);
  return pathname + search;
}

// While the app stays open, later links arrive here.
export function watchLinks(go: (route: string) => void): () => void {
  return onDeepLink((u) => { const x = new URL(u); go(x.pathname + x.search); });
}

Copyimport { listCallLog, can } from '@/lib/appmintNative';

export async function missedThisWeek() {
  if (can('callLog') === 'none') return null;          // web: not possible
  const since = Date.now() - 7 * 24 * 60 * 60 * 1000;
  try {
    const calls = await listCallLog(500, 0, since);   // a number here; the wrapper converts it
    return calls.filter((c) => c.type === 'missed');
  } catch {
    return [];                                          // 2-minute timeout
  }
}

Copyimport { listCallLog, can } from '@/lib/appmintNative';

export async function talkTimeByPerson() {
  if (can('callLog') === 'none') return null;
  const calls = await listCallLog(1000, 0).catch(() => []);
  const totals = new Map<string, number>();
  for (const c of calls) {
    if (c.type !== 'incoming' && c.type !== 'outgoing') continue;
    const who = c.name || c.number || 'Unknown';
    totals.set(who, (totals.get(who) ?? 0) + (c.duration ?? 0));   // seconds
  }
  return [...totals].sort((a, b) => b[1] - a[1]);
}

Copyimport { listCallLog, can } from '@/lib/appmintNative';
import { useEffect, useState } from 'react';

export function useCalls() {
  const [calls, setCalls] = useState<Awaited<ReturnType<typeof listCallLog>> | null>(null);
  const supported = can('callLog') !== 'none';
  useEffect(() => {
    if (supported) void listCallLog(50).then(setCalls).catch(() => setCalls([]));
  }, [supported]);
  const hint = !supported ? 'Open the app on your phone to see calls'
    : calls && calls.length === 0 ? 'No calls found. Allow call log access in Settings if you expected some.' : '';
  return { calls: calls ?? [], hint };
}

Copyimport { listContacts, can, type Contact } from '@/lib/appmintNative';

type Row = { id: string; name: string; phone: string };

function toRow(c: Contact): Row {
  return { id: c.id ?? '', name: c.name ?? '', phone: c.phones?.[0] ?? '' };
}

export async function loadPage(page: number): Promise<Row[] | null> {
  if (can('contactList') === 'none') return null;   // web: show "open the app" instead
  try {
    const contacts = await listContacts(100, page * 100);
    return contacts.map(toRow);
  } catch {
    return [];                                        // 2-minute timeout
  }
}

Copyimport { listContacts, can, type Contact } from '@/lib/appmintNative';

export async function findContacts(query: string): Promise<Contact[] | null> {
  if (can('contactList') === 'none') return null;
  const all: Contact[] = [];
  for (let offset = 0; ; offset += 200) {
    const page = await listContacts(200, offset).catch(() => []);
    all.push(...page);
    if (page.length < 200) break;
  }
  const q = query.trim().toLowerCase();
  return all.filter((c) => (c.name ?? '').toLowerCase().includes(q));
}

Copyimport { sendSms, type Contact } from '@/lib/appmintNative';

export async function invite(c: Contact): Promise<boolean> {
  const phone = c.phones?.[0];
  if (!phone) return false;
  return sendSms(phone, `Hi ${c.name ?? ''}, join me on the app!`);
}

Copyimport { listSms, can, type SmsMessage } from '@/lib/appmintNative';

export async function latestInbox(): Promise<SmsMessage[] | null> {
  if (can('smsList') === 'none') return null;          // web: hide the screen
  try {
    const msgs = await listSms('inbox', 20, 0);
    return msgs.map((m) => ({ ...m, body: (m.body ?? '').slice(0, 120) }));
  } catch {
    return [];                                          // 2-minute timeout
  }
}

Copyimport { listSms, can } from '@/lib/appmintNative';

export async function unreadFrom(address: string) {
  if (can('smsList') === 'none') return null;
  const msgs = await listSms('inbox', 200, 0).catch(() => []);
  return msgs.filter((m) => m.address === address && !m.read);
}

Copyimport { listSms, type SmsMessage } from '@/lib/appmintNative';

export async function outgoing(): Promise<SmsMessage[]> {
  const [sent, drafts] = await Promise.all([
    listSms('sent', 50, 0).catch(() => []),
    listSms('draft', 50, 0).catch(() => []),
  ]);
  return [...sent, ...drafts].sort((a, b) => (b.date ?? 0) - (a.date ?? 0));
}

Copyimport { liveProgress, can } from '@/lib/appmintNative';

export async function trackUpload(files: File[]) {
  const card = can('liveProgress') !== 'none';
  if (card) await liveProgress.start({ id: 'upload', title: 'Uploading photos', text: 'Starting…', indeterminate: true });

  for (let i = 0; i < files.length; i++) {
    await uploadOne(files[i]);
    if (card) await liveProgress.update({
      id: 'upload', title: 'Uploading photos',
      text: `${i + 1} of ${files.length}`,
      progress: (i + 1) / files.length,       // 0–1
      route: '/uploads',                      // opens this screen when tapped
    });
  }
  if (card) await liveProgress.end('upload'); // removes the card
}

Copyawait liveProgress.start({ id: 'run', title: 'Morning run', text: '5 km goal', startedAt: Date.now() });
// ...later
await liveProgress.end('run');

Copyimport { liveProgress, toast } from '@/lib/appmintNative';

export async function startDelivery() {
  const ok = await liveProgress.start({ id: 'order', title: 'Order on its way', text: 'Packing', progress: 0.1, route: '/orders' });
  if (!ok) {
    if (liveProgress.lastError === 'permission') toast('Allow notifications to follow your order here');
    else if (liveProgress.lastError === 'channel_disabled') toast('Live status is turned off in system settings');
  }
  return ok;
}

Copyimport { LocalNotifications } from '@/lib/appmintNative';

export async function announceSync(count: number) {
  await LocalNotifications.schedule({
    notifications: [
      { title: 'Sync complete', body: `${count} items updated`, tag: 'sync' },
    ],
  });
}

Copyimport { LocalNotifications } from '@/lib/appmintNative';

export async function reportBatch(done: number, failed: number) {
  await LocalNotifications.schedule({
    notifications: [
      { title: 'Upload finished', body: `${done} files sent`, tag: 'upload-ok' },
      ...(failed ? [{ title: 'Some files failed', body: `${failed} need a retry`, tag: 'upload-failed' }] : []),
    ],
  });
}

Copyimport { notify, toast } from '@/lib/appmintNative';

export async function remind(text: string) {
  const shown = await notify({ title: 'Reminder', body: text, tag: 'reminder' });
  if (!shown) toast(text);   // notifications are off: tell them in the app
}

Copyimport { useEffect } from 'react';
import { can, lockOrientation } from '@/lib/appmintNative';

export function ChartScreen() {
  useEffect(() => {
    if (can('orientationLock') === 'none') return;
    void lockOrientation('landscape');
    return () => { void lockOrientation('any'); };   // always give the rotation back
  }, []);
  return <div className="h-full w-full">{/* the chart */}</div>;
}

Copyimport { lockOrientation, toast } from '@/lib/appmintNative';

const ok = await lockOrientation('portrait');
if (!ok) toast('Turn your phone upright for the best view');

Copyimport { useEffect } from 'react';
import { lockOrientation, type OrientationLock } from '@/lib/appmintNative';

export function useOrientation(mode: OrientationLock) {
  useEffect(() => {
    void lockOrientation(mode);
    return () => { void lockOrientation('any'); };
  }, [mode]);
}

// useOrientation('landscape') inside the game screen

Copyimport { useEffect, useRef } from 'react';
import { actionSheet, longPress } from '@/lib/appmintNative';

export function PhotoTile({ src, onDelete }: { src: string; onDelete(): void }) {
  const ref = useRef<HTMLDivElement>(null);
  const openMenu = async () => {
    const i = await actionSheet('Photo', [{ title: 'Delete', destructive: true }]);
    if (i === 0) onDelete();
  };

  useEffect(() => {
    if (!ref.current) return;
    return longPress(ref.current, () => void openMenu());
  }, []);

  return (
    <div ref={ref} className="relative">
      <img src={src} alt="" />
      <button aria-label="Photo actions" className="absolute right-1 top-1" onClick={() => void openMenu()}>⋯</button>
    </div>
  );
}

Copyimport { longPress } from '@/lib/appmintNative';

declare const card: HTMLElement;
const off = longPress(card, (e) => console.log('held at', e.clientX, e.clientY), { ms: 700, haptics: false });

Copyimport { useEffect, useRef } from 'react';
import { haptic, longPress } from '@/lib/appmintNative';

export function SelectableRow({ id, onSelect, children }: { id: string; onSelect(id: string): void; children: React.ReactNode }) {
  const ref = useRef<HTMLLIElement>(null);
  useEffect(() => {
    if (!ref.current) return;
    return longPress(ref.current, () => { haptic('heavy'); onSelect(id); }, { haptics: false });
  }, [id, onSelect]);
  return <li ref={ref}>{children}</li>;
}

Copyimport { pushInbox, markPushRead } from '@/lib/appmintNative';

export function openMessage(id: string) {
  markPushRead(id);
  return pushInbox().find((m) => m.id === id);
}

export function markAllRead() {
  markPushRead();          // no id = all messages
  return pushInbox();
}

Copyimport { pushInbox, markPushRead } from '@/lib/appmintNative';

export function openAndCount(id: string) {
  const changed = markPushRead(id);          // false on the web or when nothing changed
  const unread = pushInbox().filter((m) => !m.read).length;
  return { changed, unread };
}

Copyimport { useEffect, useState } from 'react';
import { pushInbox, markPushRead } from '@/lib/appmintNative';

export function useInbox() {
  const [items, setItems] = useState(() => pushInbox());
  useEffect(() => {
    markPushRead();
    const refresh = () => setItems(pushInbox());
    window.addEventListener('appmint:push', refresh);
    return () => window.removeEventListener('appmint:push', refresh);
  }, []);
  return items;
}

Copyimport { useEffect, useRef } from 'react';
import { mediaSession } from '@/lib/appmintNative';

type Track = { url: string; title: string; artist: string; cover: string };

export function Player({ track, onNext, onPrev }: { track: Track; onNext: () => void; onPrev: () => void }) {
  const audio = useRef<HTMLAudioElement>(null);
  const unsubscribe = useRef<(() => void) | null>(null);

  const publish = () => {
    const a = audio.current;
    if (!a) return;
    mediaSession.setPlaybackState({
      playing: !a.paused,
      positionMs: a.currentTime * 1000,
      durationMs: (a.duration || 0) * 1000,
    });
  };

  const onPlay = () => {
    // Register the buttons when playback starts, not on mount (see Notes).
    if (!unsubscribe.current) {
      unsubscribe.current = mediaSession.onAction((action) => {
        const a = audio.current;
        if (!a) return;
        if (action === 'play') void a.play();
        if (action === 'pause') a.pause();
        if (action === 'next') onNext();
        if (action === 'prev') onPrev();
        if (action === 'stop') { a.pause(); mediaSession.clear(); }
      });
    }
    mediaSession.setMetadata({ title: track.title, artist: track.artist, artworkUrl: track.cover });
    publish();
  };

  useEffect(() => () => { unsubscribe.current?.(); mediaSession.clear(); }, []);

  return <audio ref={audio} src={track.url} controls onPlay={onPlay} onPause={publish} onSeeked={publish} />;
}

Copyimport { can, mediaSession } from '@/lib/appmintNative';

export function CastButton({ url }: { url: string }) {
  if (can('cast') === 'none') return null;
  return <button onClick={async () => { if (!(await mediaSession.cast(url))) alert('No cast target found'); }}>Cast</button>;
}

Copyimport { can, mediaSession } from '@/lib/appmintNative';

export function publishEnded(audio: HTMLAudioElement): () => void {
  if (can('mediaControls') === 'none') return () => {};
  const ended = () => {
    mediaSession.setPlaybackState({ playing: false, positionMs: 0, durationMs: audio.duration * 1000 || 0 });
    mediaSession.clear();
  };
  audio.addEventListener('ended', ended);
  return () => audio.removeEventListener('ended', ended);
}

Copyimport { Motion, type AccelEvent } from '@/lib/appmintNative';

let handle: { remove(): Promise<void> } | null = null;

export async function startShakeDetect(onShake: () => void) {
  let last = 0;
  handle = await Motion.addListener('accel', (e) => {
    const g = (e as AccelEvent).accelerationIncludingGravity;
    const force = Math.sqrt(g.x * g.x + g.y * g.y + g.z * g.z);
    if (force > 25 && Date.now() - last > 1000) { last = Date.now(); onShake(); }
  });
}

export async function stopShakeDetect() {
  await handle?.remove();
  handle = null;
}

Copyimport { Motion, type OrientationEvent } from '@/lib/appmintNative';

const tilt = await Motion.addListener('orientation', (e) => {
  const { beta, gamma } = e as OrientationEvent;       // front-back, left-right
  bubble.style.transform = `translate(${gamma * 2}px, ${beta * 2}px)`;
});
// later: await tilt.remove();

Copyimport { useEffect, useState } from 'react';
import { Motion, can, type AccelEvent } from '@/lib/appmintNative';

export function useAcceleration() {
  const [g, setG] = useState({ x: 0, y: 0, z: 0 });
  const [supported] = useState(() => can('motion') !== 'none');
  useEffect(() => {
    if (!supported) return;
    let handle: { remove(): Promise<void> } | undefined;
    let cancelled = false;
    void Motion.addListener('accel', (e) => setG((e as AccelEvent).accelerationIncludingGravity)).then((h) => {
      if (cancelled) void h.remove(); else handle = h;
    });
    return () => { cancelled = true; void handle?.remove(); };
  }, [supported]);
  return { g, supported };
}

Copyimport { useState } from 'react';
import { musicVolume, setMusicVolume } from '@/lib/appmintNative';

export function MusicSetting() {
  const [level, setLevel] = useState(() => musicVolume());
  if (level < 0) return null;                  // no music in this app: no control

  return (
    <label>
      Music
      <input
        type="range" min={0} max={100} value={level}
        onChange={(e) => {
          const v = Number(e.target.value);
          setLevel(v);
          setMusicVolume(v);
        }}
      />
    </label>
  );
}

Copyimport { useRef, useState } from 'react';
import { musicVolume, setMusicVolume } from '@/lib/appmintNative';

export function MuteMusicSwitch() {
  const before = useRef(Math.max(musicVolume(), 50));
  const [muted, setMuted] = useState(() => musicVolume() === 0);
  if (musicVolume() < 0) return null;            // no music in this build

  const toggle = () => {
    if (muted) setMusicVolume(before.current);
    else { before.current = musicVolume(); setMusicVolume(0); }
    setMuted(!muted);
  };
  return <button onClick={toggle}>{muted ? 'Unmute music' : 'Mute music'}</button>;
}

Copyimport { musicVolume, setMusicVolume } from '@/lib/appmintNative';

export function duckMusicDuring(video: HTMLVideoElement) {
  const level = musicVolume();
  if (level < 0) return;                         // nothing to duck
  video.addEventListener('play', () => setMusicVolume(0));
  video.addEventListener('pause', () => setMusicVolume(level));
  video.addEventListener('ended', () => setMusicVolume(level));
}

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function openOrder(id: string, render: (order: unknown) => void) {
  navStart();
  try {
    const res = await fetch(`/api/orders/${id}`);
    render(await res.json());
  } finally {
    navEnd();                // always, also when the fetch failed
  }
}

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function submitForm(data: FormData): Promise<boolean> {
  navStart();
  try {
    const res = await fetch('/api/submit', { method: 'POST', body: data });
    return res.ok;
  } catch {
    return false;            // the bar still ends in finally
  } finally {
    navEnd();
  }
}

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function withNavBar<T>(work: Promise<T>): Promise<T> {
  navStart();
  try { return await work; } finally { navEnd(); }
}

// usage inside a click handler:
// const items = await withNavBar(loadItems(categoryId));

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function openOrder(id: string, render: (order: unknown) => void) {
  navStart();
  try {
    const res = await fetch(`/api/orders/${id}`);
    render(await res.json());
  } finally {
    navEnd();                // always, also when the fetch failed
  }
}

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function submitForm(data: FormData): Promise<boolean> {
  navStart();
  try {
    const res = await fetch('/api/submit', { method: 'POST', body: data });
    return res.ok;
  } catch {
    return false;            // the bar still ends in finally
  } finally {
    navEnd();
  }
}

Copyimport { navStart, navEnd } from '@/lib/appmintNative';

export async function withNavBar<T>(work: Promise<T>): Promise<T> {
  navStart();
  try { return await work; } finally { navEnd(); }
}

// usage inside a click handler:
// const items = await withNavBar(loadItems(categoryId));

Copyimport { Network } from '@/lib/appmintNative';
import { useEffect, useState } from 'react';

function useOnline() {
  const [online, setOnline] = useState(true);
  useEffect(() => {
    void Network.getStatus().then((s) => setOnline(s.connected));
    const h = Network.addListener('networkStatusChange', (s) => setOnline(s.connected));
    return () => h.remove();
  }, []);
  return online;
}

Copyimport { Network } from '@/lib/appmintNative';
import { useEffect, useState } from 'react';

export function ConnectionChip() {
  const [label, setLabel] = useState('Checking...');
  useEffect(() => {
    void Network.getStatus().then((s) =>
      setLabel(s.connected ? (s.connectionType === 'cellular' ? 'Mobile data' : 'Wi-Fi') : 'Offline'));
  }, []);
  return <span className="chip">{label}</span>;
}

Copyimport { Network, toast } from '@/lib/appmintNative';

export async function startBigDownload(download: () => Promise<void>) {
  const s = await Network.getStatus();
  if (s.connectionType === 'none' || !s.connected) { toast('You are offline.'); return; }
  if (s.connectionType === 'cellular' && !window.confirm('Download over mobile data?')) return;
  await download();
}

Copyimport { networkStatus } from '@/lib/appmintNative';

export function SyncButton({ onSync }: { onSync: () => void }) {
  const { connected } = networkStatus();
  return (
    <button disabled={!connected} onClick={onSync}>
      {connected ? 'Sync now' : 'Offline — will sync later'}
    </button>
  );
}

Copyimport { useEffect, useState } from 'react';
import { networkStatus, onNetworkChange } from '@/lib/appmintNative';

export function useOnline(): boolean {
  const [online, setOnline] = useState(() => networkStatus().connected);
  useEffect(() => onNetworkChange((s) => setOnline(s.connected)), []);
  return online;
}

Copyimport { networkStatus } from '@/lib/appmintNative';

export function imageUrl(id: string): string {
  const { connected, type } = networkStatus();
  if (!connected) return '/img/placeholder.svg';         // offline: use the packaged picture
  return `/api/images/${id}?size=${type === 'cellular' ? 'small' : 'large'}`;
}

Copyimport { useEffect, useRef, useState } from 'react';
import { can, nfc } from '@/lib/appmintNative';

export function TagReader() {
  const [last, setLast] = useState('');
  const stopRef = useRef<null | (() => Promise<void>)>(null);

  useEffect(() => () => { void stopRef.current?.(); }, []);

  // Check at the tap: on Android the app installs NDEFReader while the page loads.
  const start = async () => {
    if (can('nfc') === 'none' || !(await nfc.isSupported())) { setLast('NFC is not available here.'); return; }
    try {
      stopRef.current = await nfc.scan((records) => {
        setLast(records.filter((r) => r.recordType === 'text' || r.recordType === 'url').map((r) => r.text).join(' | '));
      });
      setLast('Hold a tag to the phone.');
    } catch (e) {
      setLast(`NFC error: ${(e as Error).message}`);
    }
  };

  const writeTag = async () => {
    if (can('nfc') === 'none') { setLast('NFC is not available here.'); return; }
    setLast('Tap a tag to write it...');
    setLast((await nfc.write('Hello from my app')) ? 'Tag written.' : 'Write failed or cancelled.');
  };

  return (
    <div>
      <button onClick={start}>Read tags</button>
      <button onClick={writeTag}>Write tag</button>
      <p>{last}</p>
    </div>
  );
}

Copyimport { can, nfc, toast } from '@/lib/appmintNative';

export async function writeShareTag(url: string) {
  if (can('nfc') === 'none') { toast('This device cannot write NFC tags.'); return; }
  toast('Hold a blank tag to the back of the phone...');
  const ok = await nfc.write(url);
  toast(ok ? 'Tag written.' : 'Could not write the tag. Try again.');
}

Copyimport { nfc } from '@/lib/appmintNative';

export function readOnce(): Promise<string> {
  return new Promise<string>((resolve, reject) => {
    let stop: (() => Promise<void>) | undefined;
    let done = false;
    nfc.scan((records) => {
      if (done) return;
      done = true;
      void stop?.();
      resolve(records.map((r) => r.text).join(' '));
    }).then((s) => { stop = s; if (done) void s(); }, reject);
  });
}

Copyimport { notify, can } from '@/lib/appmintNative';

export async function onOrderReady(orderId: string) {
  if (can('notify') === 'none') return;          // hide the feature instead
  const ok = await notify({
    title: 'Order ready',
    body: `Order #${orderId} is ready to collect`,
    icon: 'https://example.com/img/order.png',    // shown beside the text
    tag: `order-${orderId}`,                     // same tag replaces the old one
  });
  if (!ok) setBanner('Turn on notifications to get order alerts.');
}

Copyasync function enableAlerts() {
  if (typeof Notification === 'undefined') return false;
  const perm = Notification.permission === 'granted' ? 'granted' : await Notification.requestPermission();
  return perm === 'granted';
}

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { notify, onNotificationClick } from '@/lib/appmintNative';

export async function announceMessage(id: string, from: string) {
  await notify({ title: `New message from ${from}`, tag: `msg-${id}`, data: { messageId: id } });
}

export function NotificationRouter() {
  const navigate = useNavigate();
  useEffect(() => onNotificationClick((e) => {
    const { messageId } = (e.data ?? {}) as { messageId?: string };
    if (messageId) navigate(`/messages/${messageId}`);
  }), [navigate]);
  return null;
}

Copyimport { notifyWithActions, onNotificationAction, can } from '@/lib/appmintNative';

export async function remindTask(taskId: string, title: string) {
  if (can('notificationActions') === 'none') return false;   // web: hide the buttons
  return notifyWithActions({
    title,
    body: 'Due now',
    tag: `task-${taskId}`,                       // comes back as e.tag
    actions: [
      { id: 'done', title: 'Mark done' },
      { id: 'snooze', title: 'Snooze' },
    ],
  });
}

// Mount once (e.g. in App.tsx):
export const stopListening = onNotificationAction((e) => {
  // e = { actionId: 'snooze', tag: 'task-42', text: '' }
  const taskId = e.tag.replace('task-', '');
  if (e.actionId === 'done') completeTask(taskId);
  if (e.actionId === 'snooze') snoozeTask(taskId);
});

Copyimport { notifyWithActions, onNotificationAction, can } from '@/lib/appmintNative';

export async function timerDone() {
  if (can('notificationActions') === 'none') return false;
  return notifyWithActions({
    title: 'Timer finished',
    tag: 'timer',
    actions: [{ id: 'more', title: '+5 min' }, { id: 'stop', title: 'Stop' }],
  });
}

export const stopTimerButtons = onNotificationAction((e) => {
  if (e.tag !== 'timer') return;                 // ignore other notifications' buttons
  if (e.actionId === 'more') startTimer(5);
});

Copyimport { useEffect, useState } from 'react';
import { notifyWithActions, onNotificationAction } from '@/lib/appmintNative';

export function ApprovalRequest({ requestId }: { requestId: string }) {
  const [note, setNote] = useState('');
  useEffect(() => onNotificationAction((e) => {
    if (e.tag === `req-${requestId}`) setNote(e.actionId === 'approve' ? 'Approved' : 'Rejected');
  }), [requestId]);

  const ask = async () => {
    const posted = await notifyWithActions({
      title: 'Approve request?', tag: `req-${requestId}`,
      actions: [{ id: 'approve', title: 'Approve' }, { id: 'reject', title: 'Reject' }],
    });
    if (!posted) setNote('Notifications are off, so no buttons were shown.');
  };
  return <button onClick={ask}>{note || 'Ask me'}</button>;
}

Copyimport { useEffect } from 'react';
import { offlineBanner } from '@/lib/appmintNative';

export function App() {
  useEffect(() => offlineBanner(), []);          // cleanup removes it
  return <main>{/* … */}</main>;
}

Copyimport { offlineBanner } from '@/lib/appmintNative';

const off = offlineBanner({ message: 'Sin conexión', onlineMessage: 'Conectado de nuevo' });

Copyimport { useEffect } from 'react';
import { offlineBanner } from '@/lib/appmintNative';

export function useOfflineBanner(signedIn: boolean) {
  useEffect(() => {
    if (!signedIn) return;
    return offlineBanner({ message: 'Offline: changes will sync later' });
  }, [signedIn]);
}

Copyimport { useEffect, useState } from 'react';
import { onAlarm } from '@/lib/appmintNative';

export function AlarmHost() {
  const [ringingId, setRingingId] = useState<string | null>(null);
  useEffect(() => onAlarm((e) => {
    if (e.action === 'open' && e.ringing) setRingingId(e.id);
    if (e.action === 'dismiss' || e.action === 'snooze' || e.action === 'missed') setRingingId(null);
  }), []);
  return ringingId ? <RingScreen id={ringingId} onClose={() => setRingingId(null)} /> : null;
}

Copyimport { alarmSupport, scheduleAlarm } from '@/lib/appmintNative';

export function setWakeUp(at: Date): string {
  const support = alarmSupport();
  if (support === 'unavailable') return 'Alarms are only available in the Android app.';
  if (support !== 'ready') return `Alarm needs attention first (${support}).`;
  const ok = scheduleAlarm('wake-up', { at: at.getTime(), title: 'Wake up', repeat: 'weekdays', snoozeMinutes: 10 });
  return ok ? 'Alarm set.' : 'Could not set the alarm.';
}

Copyimport { useEffect, useState } from 'react';
import { onAlarm, stopAlarm, snoozeAlarm, isAlarmRinging } from '@/lib/appmintNative';

export function RingControls() {
  const [ringing, setRinging] = useState(() => isAlarmRinging());
  const [last, setLast] = useState('');
  useEffect(() => onAlarm((e) => {
    if (e.action === 'open') setRinging(!!e.ringing);
    else { setRinging(false); setLast(e.action === 'error' ? `Alarm error: ${e.error}` : `Alarm ${e.action}`); }
  }), []);
  if (!ringing) return <p>{last}</p>;
  return (
    <div>
      <button onClick={() => stopAlarm()}>Stop</button>
      <button onClick={() => snoozeAlarm('', 5)}>Snooze 5 min</button>
    </div>
  );
}

Copyimport { useEffect, useState } from 'react';
import { onBackGesture } from '@/lib/appmintNative';

export function FilterPanel() {
  const [open, setOpen] = useState(false);

  useEffect(() => {
    if (!open) return;
    return onBackGesture(() => { setOpen(false); return true; });   // back closes THIS, not the app
  }, [open]);

  return (
    <>
      <button onClick={() => setOpen(true)}>Filters</button>
      {open && <div role="dialog" aria-label="Filters">{/* … */}</div>}
    </>
  );
}

Copyimport { useEffect } from 'react';
import { onBackGesture } from '@/lib/appmintNative';

export function useWizardBack(step: number, setStep: (n: number) => void) {
  useEffect(() => onBackGesture(() => {
    if (step === 0) return false;       // not ours: normal back navigation happens
    setStep(step - 1);
    return true;
  }), [step, setStep]);
}

Copyimport { useEffect } from 'react';
import { onBackGesture } from '@/lib/appmintNative';

export function Lightbox({ src, onClose }: { src: string | null; onClose: () => void }) {
  useEffect(() => {
    if (!src) return;
    return onBackGesture(() => { onClose(); return true; });
  }, [src, onClose]);
  return src ? <img src={src} alt="" onClick={onClose} /> : null;
}

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { launchUrl, onDeepLink } from '@/lib/appmintNative';

export function DeepLinkRouter() {
  const navigate = useNavigate();
  useEffect(() => {
    const go = (u: string) => { const { pathname, search } = new URL(u); navigate(pathname + search); };
    void launchUrl().then((u) => { if (u) go(u); });   // the link that started the app
    return onDeepLink(go);                             // links while it runs; returns the unsubscribe
  }, [navigate]);
  return null;
}

Copywindow.addEventListener('appmint:deep-link', function (e) {
  var url = e.detail && e.detail.url;
  if (url) console.log('deep link', url);
});

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { onDeepLink } from '@/lib/appmintNative';

export function ProductLinks() {
  const navigate = useNavigate();
  useEffect(() => onDeepLink((url) => {
    const m = new URL(url).pathname.match(/^\/product\/(\w+)$/);
    if (m) navigate(`/products/${m[1]}`);
  }), [navigate]);
  return null;
}

Copyimport { useEffect } from 'react';
import { onInAppMessage } from '@/lib/appmintNative';

export function useInAppAnalytics(log: (event: string, name: string) => void) {
  useEffect(() => onInAppMessage((e) => log('inapp_' + e.type, e.name)), [log]);
}

Copyimport { useEffect, useState } from 'react';
import { onInAppMessage, setInAppPresentation, type InAppMessageEvent } from '@/lib/appmintNative';

export function useOwnInAppDialog() {
  const [msg, setMsg] = useState<InAppMessageEvent['message'] | null>(null);
  useEffect(() => {
    setInAppPresentation('none');
    const off = onInAppMessage((e) => { if (e.type === 'shown' && !e.presented && e.message) setMsg(e.message); });
    return () => { off(); setInAppPresentation('auto'); };
  }, []);
  return { msg, close: () => setMsg(null) };
}

Copyimport { onInAppMessage } from '@/lib/appmintNative';

onInAppMessage((e) => {
  if (e.type === 'clicked' && e.link === 'appmint://notifications/enable') refreshNotificationBadge();
});

Copyimport { onInAppMessage } from '@/lib/appmintNative';

onInAppMessage((e) => {
  if (e.type === 'answered' && e.question === 'nps' && (e.value ?? 10) <= 6) openFeedbackSheet();
});

Copyimport { onInAppMessage } from '@/lib/appmintNative';

onInAppMessage((e) => {
  if (e.type !== 'answered' || e.question !== 'stars') return;
  void fetch('/api/ratings', { method: 'POST', body: JSON.stringify({ stars: e.value, campaign: e.name }) });
});

Copyimport { useEffect, useState } from 'react';
import { onInAppMessage } from '@/lib/appmintNative';

export function useHappyUser() {
  const [happy, setHappy] = useState(false);
  useEffect(() => onInAppMessage((e) => {
    if (e.type === 'answered' && ((e.question === 'stars' && (e.value ?? 0) >= 4) || (e.question === 'nps' && (e.value ?? 0) >= 9))) setHappy(true);
  }), []);
  return happy;
}

Copyimport { useEffect, useState } from 'react';
import { onKeyboard } from '@/lib/appmintNative';

export function Composer() {
  const [kb, setKb] = useState(0);
  useEffect(() => onKeyboard(setKb), []);          // the returned function unsubscribes

  return (
    <form
      className="fixed inset-x-0 bottom-0 flex gap-2 p-3"
      style={{ paddingBottom: `calc(var(--safe-bottom) + 12px + ${kb}px)` }}
    >
      <input className="flex-1" enterKeyHint="send" aria-label="Message" />
      <button type="submit">Send</button>
    </form>
  );
}

Copyimport { useEffect, useRef } from 'react';
import { onKeyboard } from '@/lib/appmintNative';

export function MessageList({ children }: { children: React.ReactNode }) {
  const endRef = useRef<HTMLDivElement>(null);
  useEffect(() => onKeyboard((inset) => {
    if (inset > 0) endRef.current?.scrollIntoView({ block: 'end' });   // keyboard just opened
  }), []);
  return <div className="overflow-y-auto">{children}<div ref={endRef} /></div>;
}

Copyimport { useEffect, useState } from 'react';
import { onKeyboard } from '@/lib/appmintNative';

export function useKeyboardInset(): number {
  const [inset, setInset] = useState(0);        // 0 until the keyboard first opens
  useEffect(() => onKeyboard(setInset), []);
  return inset;
}

// In a component: the home-indicator gap is only needed when the keyboard is closed.
// const kb = useKeyboardInset();
// <footer style={{ paddingBottom: kb > 0 ? kb : 'var(--safe-bottom)' }}>...</footer>

Copyimport { useEffect } from 'react';
import { onNetworkChange, toast } from '@/lib/appmintNative';

export function useRetryWhenOnline(flushQueue: () => Promise<number>) {
  useEffect(() => {
    const off = onNetworkChange(async (s) => {
      if (!s.connected) return;
      const sent = await flushQueue();
      if (sent) toast(`Synced ${sent} change(s)`);
    });
    return off;                                  // unsubscribe on unmount
  }, [flushQueue]);
}

Copyimport { useEffect, useState } from 'react';
import { networkStatus, onNetworkChange } from '@/lib/appmintNative';

export function useOnline(): boolean {
  const [online, setOnline] = useState(() => networkStatus().connected);
  useEffect(() => onNetworkChange((s) => setOnline(s.connected)), []);
  return online;
}

Copyimport { useEffect } from 'react';
import { onNetworkChange, toast } from '@/lib/appmintNative';

export function useDataSaver(setHeavyAllowed: (ok: boolean) => void) {
  useEffect(() => onNetworkChange((s) => {
    if (s.type === 'none' || !s.connected) { toast('You are offline'); setHeavyAllowed(false); return; }
    setHeavyAllowed(s.type !== 'cellular');   // 'wifi' and 'unknown' may download freely
  }), [setHeavyAllowed]);
}

Copyimport { useEffect } from 'react';
import { onNotificationAction } from '@/lib/appmintNative';

export function useNotificationActions(openChat: (chatId: string) => void) {
  useEffect(() => {
    const stop = onNotificationAction(({ actionId, tag }) => {
      if (actionId === 'Open') openChat(tag);
      if (actionId === 'Mute') muteChat(tag);
    });
    return stop;                              // remove on unmount
  }, [openChat]);
}

Copywindow.addEventListener('appmint:notification-action', function (e) {
  // e.detail = { actionId: 'Mute', tag: 'chat-7' }
  console.log(e.detail.actionId, e.detail.tag);
});

Copyimport { useEffect } from 'react';
import { can, notifyWithActions, onNotificationAction, toast } from '@/lib/appmintNative';

export async function remindWithButtons(taskId: string, title: string) {
  if (can('notificationActions') === 'none') { toast(title); return; }   // no buttons here
  await notifyWithActions({
    title, body: 'Tap a button', tag: `task-${taskId}`,
    actions: [{ id: 'done', title: 'Done' }, { id: 'later', title: 'Later' }],
  });
}

export function useTaskActions(complete: (id: string) => void, snooze: (id: string) => void) {
  useEffect(() => onNotificationAction(({ actionId, tag }) => {
    const id = tag.replace(/^task-/, '');
    if (actionId === 'done') complete(id);
    else if (actionId === 'later') snooze(id);
  }), [complete, snooze]);
}

Copyimport { useEffect } from 'react';
import { notify, onNotificationClick } from '@/lib/appmintNative';

export function useOrderAlerts(navigate: (path: string) => void) {
  useEffect(() => onNotificationClick((e) => {
    const d = e.data as { orderId?: number } | null;
    if (d?.orderId) navigate(`/orders/${d.orderId}`);
  }), [navigate]);
}

async function orderShipped(orderId: number) {
  await notify({ title: 'Order shipped', body: `#${orderId} is on its way`, tag: `order-${orderId}`, data: { orderId } });
}

Copyimport { useEffect } from 'react';
import { onNotificationClick } from '@/lib/appmintNative';

export function useNotificationRouting(navigate: (path: string) => void) {
  useEffect(() => onNotificationClick(({ tag, data }) => {
    const d = data as { screen?: string; id?: string } | null;
    if (!d?.screen) { console.log('plain notification tapped:', tag); return; }
    navigate(d.id ? `/${d.screen}/${d.id}` : `/${d.screen}`);
  }), [navigate]);
}

Copyimport { can, notify, toast } from '@/lib/appmintNative';

export async function announceMessage(chatId: string, from: string, text: string) {
  if (can('notify') === 'none') return;                 // nothing to tap on this surface
  const shown = await notify({ title: from, body: text, tag: `chat-${chatId}`, data: { screen: 'chat', id: chatId } });
  if (!shown) toast('Notifications are turned off');
}

Copyimport { useEffect, useRef } from 'react';
import { onPullToRefresh, toast } from '@/lib/appmintNative';

export function Inbox({ reload }: { reload: () => Promise<void> }) {
  const listRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    if (!listRef.current) return;
    return onPullToRefresh(listRef.current, async () => {
      try { await reload(); }
      catch { toast('Could not refresh — check your connection'); }
    });
  }, [reload]);

  return <div ref={listRef} className="h-full overflow-y-auto">{/* rows */}</div>;
}

Copyimport { onPullToRefresh } from '@/lib/appmintNative';

declare function reloadFeed(): Promise<void>;
const off = onPullToRefresh(document.documentElement, reloadFeed, { threshold: 96 });

Copyimport { useEffect, useRef } from 'react';
import { onPullToRefresh, haptic } from '@/lib/appmintNative';

export function useListRefresh(refetch: () => Promise<unknown>) {
  const ref = useRef<HTMLUListElement>(null);
  useEffect(() => {
    const el = ref.current;
    if (!el) return;
    return onPullToRefresh(el, async () => {
      await refetch();
      haptic('success');                     // the spinner stays until this promise settles
    }, { threshold: 80 });
  }, [refetch]);
  return ref;                                // <ul ref={ref} className="h-full overflow-y-auto">
}

Copyimport { useEffect } from 'react';
import { can, sharedText, clearShared, onShared, toast } from '@/lib/appmintNative';

export function useIncomingShares(save: (text: string, url: string) => Promise<void>) {
  useEffect(() => {
    if (can('shareTarget') === 'none') return;
    const handle = async (p: { text: string; url: string }) => {
      await save(p.text, p.url);
      clearShared();
      toast('Added');
    };
    const waiting = sharedText();
    if (waiting) void handle(waiting);                    // shared before the app opened
    return onShared((p) => void handle(p));              // shared while open; returns the unsubscribe
  }, [save]);
}

Copywindow.addEventListener('appmint:shared', function (e) {
  var p = e.detail;                  // { text, subject, url, receivedAt }
  if (p && p.text) console.log('shared:', p.text);
});

Copyimport { useEffect, useState } from 'react';
import { can, onShared, toast } from '@/lib/appmintNative';

export function NewNote() {
  const [body, setBody] = useState('');
  useEffect(() => {
    if (can('shareTarget') === 'none') return;
    return onShared((p) => {
      setBody([p.subject, p.text, p.url].filter(Boolean).join('\n'));
      toast('Shared text added');
    });
  }, []);
  return <textarea value={body} onChange={(e) => setBody(e.target.value)} />;
}

Copyimport { useEffect, useState } from 'react';
import { getVolume, onVolumeChange } from '@/lib/appmintNative';

export function MediaVolumeBadge() {
  const [pct, setPct] = useState(() => getVolume('media')?.percent ?? null);
  useEffect(() => onVolumeChange((v) => { if (v.stream === 'media') setPct(v.percent); }), []);
  return pct === null ? null : <span>🔊 {pct}%</span>;
}

Copyimport { useEffect } from 'react';
import { onVolumeChange, toast } from '@/lib/appmintNative';

export function useQuietWarning(playing: boolean) {
  useEffect(() => {
    if (!playing) return;
    return onVolumeChange((v) => {
      if (v.stream === 'media' && (v.percent === 0 || v.muted)) toast('Volume is off');
    });
  }, [playing]);
}

Copyimport { useEffect, useState } from 'react';
import { getVolume, setVolume, onVolumeChange } from '@/lib/appmintNative';

export function MediaVolumeSlider() {
  const [pct, setPct] = useState<number | null>(() => getVolume('media')?.percent ?? null);
  useEffect(() => onVolumeChange((v) => { if (v.stream === 'media') setPct(v.percent); }), []);
  if (pct === null) return null;                       // not the Android app
  return (
    <input type="range" min={0} max={100} value={pct}
      onChange={(e) => { const r = setVolume('media', Number(e.target.value)); if (r.ok) setPct(Number(e.target.value)); }} />
  );
}

Copyimport { can, openNotificationSettings } from '@/lib/appmintNative';

export function NotificationSettingsRow(row: HTMLElement) {
  row.hidden = can('notificationSettings') === 'none';
  row.addEventListener('click', () => { void openNotificationSettings(); });
}

Copyimport { passkeys } from '@/lib/appmintNative';

export async function signInWithPasskey(): Promise<boolean> {
  if (passkeys.available() === 'none') return false;          // hide the passkey button
  const options = await (await fetch('https://your-domain.com/passkey/login-options')).json();
  try {
    const answer = await passkeys.get(options);
    const res = await fetch('https://your-domain.com/passkey/login-verify', {
      method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(answer),
    });
    return res.ok;
  } catch (e) {
    if ((e as DOMException).name === 'NotAllowedError') return false;   // cancelled / none here
    throw e;
  }
}

export async function addPasskey() {
  const options = await (await fetch('https://your-domain.com/passkey/register-options')).json();
  const answer = await passkeys.create(options);   // InvalidStateError = already registered
  await fetch('https://your-domain.com/passkey/register-verify', {
    method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(answer),
  });
}

Copyimport { passkeys } from '@/lib/appmintNative';

console.log(JSON.stringify(passkeys.assetLinks(), null, 2));  // → /.well-known/assetlinks.json
console.log(passkeys.origin());                               // → add to expected origins

Copyimport { passkeys } from '@/lib/appmintNative';

export function PasskeyButton({ onClick }: { onClick: () => void }) {
  const kind = passkeys.available();          // 'native' | 'web' | 'none'
  if (kind === 'none') return <p>Passkeys are not available on this device.</p>;
  return <button onClick={onClick}>{kind === 'native' ? 'Use your phone passkey' : 'Use a passkey'}</button>;
}

Copyimport { can, paste, toast } from '@/lib/appmintNative';

export function PasteCode({ onCode }: { onCode: (c: string) => void }) {
  if (can('clipboardRead') === 'none') return null;   // e.g. Firefox and Safari
  return (
    <button
      onClick={async () => {
        try {
          const text = (await paste()).trim();
          if (!text) { toast('The clipboard is empty'); return; }
          onCode(text);
        } catch {
          toast('Clipboard access was blocked');       // denied permission, not "empty"
        }
      }}
    >
      Paste code
    </button>
  );
}

Copyimport { Clipboard } from '@/lib/appmintNative';

const { value } = await Clipboard.read();

Copyimport { copy, paste, toast } from '@/lib/appmintNative';

export async function pasteInto(setValue: (s: string) => void) {
  try {
    const text = await paste();
    if (text) setValue(text);
    else toast('Nothing to paste');
  } catch {
    toast('Allow clipboard access to paste');
  }
}

export async function shoutClipboard() {
  const text = await paste().catch(() => '');
  if (text && await copy(text.toUpperCase())) toast('Converted and copied');
}

Copyimport { pickContact, can } from '@/lib/appmintNative';

export async function onPickClick(setName: (s: string) => void, setPhone: (s: string) => void) {
  if (can('contactPick') === 'none') return;   // hide the button instead
  try {
    const c = await pickContact();
    if (!c) return;                            // cancelled
    setName(c.name ?? '');
    setPhone(c.phones?.[0] ?? '');
  } catch {
    // only a 5-minute timeout rejects
  }
}

Copyimport { useState } from 'react';
import { can, pickContact, type Contact } from '@/lib/appmintNative';

export function InvitePicker() {
  const [who, setWho] = useState<Contact | null>(null);
  if (can('contactPick') === 'none') return <input placeholder="Phone number" />;   // type it by hand
  return (
    <div>
      <button onClick={async () => setWho((await pickContact()) ?? who)}>Choose a contact</button>
      {who && <p>{who.name} {who.phones?.[0]}</p>}
    </div>
  );
}

Copyimport { pickContact, toast } from '@/lib/appmintNative';

export async function textAFriend(message: string) {
  const c = await pickContact();
  if (!c) return;                              // cancelled
  const phone = c.phones?.[0];
  if (!phone) { toast(`${c.name ?? 'That contact'} has no phone number`); return; }
  window.location.href = `sms:${encodeURIComponent(phone)}?body=${encodeURIComponent(message)}`;
}

Copyimport { pickFile } from '@/lib/appmintNative';

async function importCsv() {
  const f = await pickFile('text/csv');          // default '*/*' = any file
  if (!f) return;                                // cancelled (or picker not enabled in the build)
  if (f.size > 2_000_000) { alert('Please choose a file under 2 MB.'); return; }
  try {
    setRows(parseCsv(await f.text()));
  } catch (e) {
    alert(`Could not read ${f.name}: ${String(e)}`);
  }
}

Copyimport { pickFile, toast } from '@/lib/appmintNative';

export async function restoreBackup(apply: (data: unknown) => void) {
  try {
    const f = await pickFile('application/json');
    if (!f) return;                                    // cancelled
    apply(JSON.parse(await f.text()));
    toast(`Restored ${f.name}`);
  } catch (e) {
    const code = (e as { code?: string }).code;
    if (code === 'no-picker') toast('This phone has no file picker app');
    else if (e instanceof SyntaxError) toast('That file is not a valid backup');
    else toast('Could not open the file');
  }
}

Copyimport { useState } from 'react';
import { pickFile } from '@/lib/appmintNative';

export function OpenText() {
  const [doc, setDoc] = useState<{ name: string; kb: number; text: string } | null>(null);
  return (
    <div>
      <button onClick={async () => {
        const f = await pickFile('text/*');
        if (f) setDoc({ name: f.name, kb: Math.ceil(f.size / 1024), text: await f.text() });
      }}>Open a text file</button>
      {doc && <><h3>{doc.name} ({doc.kb} KB)</h3><textarea defaultValue={doc.text} /></>}
    </div>
  );
}

Copyimport { useRef } from 'react';
import { can, pip, toast } from '@/lib/appmintNative';

export function Player({ src }: { src: string }) {
  const videoRef = useRef<HTMLVideoElement>(null);
  return (
    <div>
      <video ref={videoRef} src={src} controls playsInline />
      {can('pip') !== 'none' && (
        <button
          onClick={async () => {
            const ok = await pip.enter(videoRef.current ?? undefined);
            if (!ok) toast('Picture-in-picture is not available here');
          }}
        >
          Minimise
        </button>
      )}
    </div>
  );
}

Copyimport { pip } from '@/lib/appmintNative';

declare const video: HTMLVideoElement;
await pip.exit(video);

Copyimport { useEffect, type RefObject } from 'react';
import { can, pip } from '@/lib/appmintNative';

export function useAutoPip(videoRef: RefObject<HTMLVideoElement>) {
  useEffect(() => {
    if (can('pip') === 'none') return;
    const onHide = () => {
      const v = videoRef.current;
      if (document.hidden && v && !v.paused) void pip.enter(v);
    };
    document.addEventListener('visibilitychange', onHide);
    return () => document.removeEventListener('visibilitychange', onHide);
  }, [videoRef]);
}

Copyimport { platform } from '@/lib/appmintNative';

const inApp = platform() === 'android';

const rateLink = inApp
  ? 'https://play.google.com/store/apps/details?id=com.example.app'
  : '/feedback';

const backHint = inApp ? 'Press Back to go back' : 'Use the browser\'s back button';

Copyimport { platform } from '@/lib/appmintNative';

export function InstallBanner() {
  // In the installed app there is nothing to install.
  if (platform() === 'android') return null;
  return <a href="https://play.google.com/store/apps/details?id=com.example.app">Get the Android app</a>;
}

Copyimport { platform } from '@/lib/appmintNative';

export function track(event: string, data: Record<string, unknown> = {}) {
  return fetch('/api/track', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ event, surface: platform(), ...data }),
  });
}

Copyimport { useEffect } from 'react';
import { privacyScreen } from '@/lib/appmintNative';

/** Use in the component that shows the secret (a card number, a statement). */
export function usePrivacyScreen() {
  useEffect(() => {
    void privacyScreen.enable();
    return () => { void privacyScreen.disable(); };   // e.g. a modal closed without a route change
  }, []);
}

Copyimport { privacyScreen, can } from '@/lib/appmintNative';

export async function protectionLabel(): Promise<string> {
  if (can('privacyScreen') === 'none') return '';           // web: nothing can stop a screenshot
  return (await privacyScreen.isEnabled()) ? 'Screenshots are blocked on this screen' : '';
}

Copyimport { privacyScreen, toast } from '@/lib/appmintNative';

export async function openStatement(show: () => void) {
  const protectedNow = await privacyScreen.enable();   // false where nothing can block capture
  if (!protectedNow) toast('Screenshots cannot be blocked here');
  show();
}

export async function closeStatement(hide: () => void) {
  hide();
  await privacyScreen.disable();
}

Copyimport { useEffect, useState } from 'react';
import { pushInbox, markPushRead, type PushMessage } from '@/lib/appmintNative';

export function useInbox() {
  const [items, setItems] = useState<PushMessage[]>(() => pushInbox());
  useEffect(() => {
    const refresh = () => setItems(pushInbox());
    // detail: { type: 'received', message } or { type: 'revoked', id }
    window.addEventListener('appmint:push', refresh);
    return () => window.removeEventListener('appmint:push', refresh);
  }, []);
  const unread = items.filter((m) => !m.read).length;
  const open = (m: PushMessage) => {
    markPushRead(m.id);
    setItems(pushInbox());
  };
  return { items, unread, open };
}

Copyimport { useEffect, useState } from 'react';
import { pushInbox } from '@/lib/appmintNative';

export function UnreadBadge() {
  const [n, setN] = useState(() => pushInbox().filter((m) => !m.read).length);
  useEffect(() => {
    const recount = () => setN(pushInbox().filter((m) => !m.read).length);
    window.addEventListener('appmint:push', recount);
    return () => window.removeEventListener('appmint:push', recount);
  }, []);
  return n > 0 ? <span aria-label={`${n} unread`}>{n}</span> : null;
}

Copyimport { useState } from 'react';
import { pushInbox, markPushRead } from '@/lib/appmintNative';

export function NotificationsScreen() {
  const [items, setItems] = useState(() => pushInbox());
  if (items.length === 0) return <p>No notifications yet.</p>;
  return (
    <section>
      <button onClick={() => { markPushRead(); setItems(pushInbox()); }}>Mark all read</button>
      <ul>
        {items.map((m) => (
          <li key={m.id} style={{ fontWeight: m.read ? 400 : 700 }}>
            {m.title} <small>{new Date(m.receivedAt).toLocaleString()}</small>
            <p>{m.body}</p>
          </li>
        ))}
      </ul>
    </section>
  );
}

Copyimport { can, readBarcodeFrom, toast } from '@/lib/appmintNative';

export function ReadFromPhoto({ onCode }: { onCode: (v: string) => void }) {
  if (can('barcodeScan') === 'none') return null;
  return (
    <label>
      Read a code from a photo
      <input
        type="file"
        accept="image/*"
        onChange={async (e) => {
          const file = e.currentTarget.files?.[0];
          if (!file) return;
          const codes = await readBarcodeFrom(file, ['qr_code']);
          if (codes.length) onCode(codes[0].value);
          else toast('No QR code found in that photo');
        }}
      />
    </label>
  );
}

Copyimport { readBarcodeFrom } from '@/lib/appmintNative';

const img = document.querySelector('img#ticket') as HTMLImageElement;
const [first] = await readBarcodeFrom(img);
if (first) console.log(first.format, first.value);

Copyimport { barcodeFormats, readBarcodeFrom } from '@/lib/appmintNative';

export async function scanCanvas(canvas: HTMLCanvasElement): Promise<string | null> {
  const supported = await barcodeFormats();
  if (supported.length === 0) return null;                     // no reader on this device
  const wanted = ['qr_code', 'ean_13'].filter((f) => supported.includes(f)) as ('qr_code' | 'ean_13')[];
  const [hit] = await readBarcodeFrom(canvas, wanted);
  return hit?.value ?? null;
}

Copyimport { useEffect, useState } from 'react';
import { can, readOtp } from '@/lib/appmintNative';

export function CodeField({ onDone }: { onDone: (code: string) => void }) {
  const [code, setCode] = useState('');

  useEffect(() => {
    if (can('otp') === 'none') return;
    const ac = new AbortController();
    readOtp({ signal: ac.signal }).then((c) => { if (c) { setCode(c); onDone(c); } });
    return () => ac.abort();          // leaving the screen stops the wait
  }, [onDone]);

  return (
    <input value={code} onChange={(e) => setCode(e.target.value)}
      inputMode="numeric" autoComplete="one-time-code" aria-label="Verification code" />
  );
}

Copyimport { useState } from 'react';
import { can, readOtp } from '@/lib/appmintNative';

export function VerifyStep({ resend, submit }: { resend: () => void; submit: (c: string) => void }) {
  const [waited, setWaited] = useState(false);

  async function start() {
    resend();
    if (can('otp') === 'none') return;          // readOtp would throw here — the user types it
    const code = await readOtp();               // null: declined, 5 minutes passed, or aborted
    if (code) submit(code); else setWaited(true);
  }

  return (
    <div>
      <button onClick={start}>Send code</button>
      {waited && <p>No code detected. <button onClick={start}>Send again</button></p>}
    </div>
  );
}

Copyimport { readOtp } from '@/lib/appmintNative';

export async function tryAutoFill(): Promise<string | null> {
  try {
    return await readOtp({ signal: AbortSignal.timeout(60_000) });
  } catch {
    return null;                                // one-time codes unavailable: the user types it
  }
}

Copyimport { useState } from 'react';
import { can, recognizeText } from '@/lib/appmintNative';

export function ReceiptReader() {
  const [total, setTotal] = useState<string | null>(null);
  const [busy, setBusy] = useState(false);
  if (can('ocr') === 'none') return null;
  return (
    <label>
      Scan a receipt
      <input type="file" accept="image/*" capture="environment" onChange={async (e) => {
        const file = e.target.files?.[0];
        if (!file) return;
        setBusy(true);
        try {
          const { text } = await recognizeText(file);
          setTotal(/total\s*[:$€£]?\s*([\d.,]+)/i.exec(text)?.[1] ?? 'not found');
        } finally { setBusy(false); }
      }} />
      {busy ? <span role="status">Reading…</span> : total && <strong>Total: {total}</strong>}
    </label>
  );
}

Copyimport { can, recognizeText } from '@/lib/appmintNative';

export async function readLabel(file: Blob): Promise<string> {
  if (can('ocr') === 'none') return '';
  try {
    const { text } = await recognizeText(file);
    return text.trim();
  } catch (e) {
    if ((e as { code?: string }).code === 'unavailable') return '';
    throw e;                                    // a real recognition failure
  }
}

Copyimport { recognizeText } from '@/lib/appmintNative';

export async function readHindiSign(img: HTMLImageElement) {
  const { blocks } = await recognizeText(img, { script: 'devanagari' });
  return blocks.flatMap((b) => b.lines).map((l) => ({ text: l.text, box: l.box }));
}

Copyimport { useEffect } from 'react';
import { remoteConfig } from '@/lib/appmintNative';

// Your Remote Update manifest URL. AppMint does not write the meta tag into the page,
// so pass the URL when the same page also runs on the web.
const MANIFEST = 'https://example.com/remote-update/manifest.json';

export function App() {
  useEffect(() => { void remoteConfig.start(MANIFEST); }, []);   // does nothing in the Android app
  return <main>{/* … */}</main>;
}

Copyimport { remoteConfig, type RemoteConfig } from '@/lib/appmintNative';

export async function loadNotice(url: string): Promise<RemoteConfig | null> {
  if (!remoteConfig.handledHere()) return null;         // the Android app draws its own
  const cfg = await remoteConfig.fetch(url);
  if (!cfg || !cfg.announcementText) return cfg;
  return remoteConfig.dismissed(cfg.announcementId) ? null : cfg;
}
// when the user closes your banner: remoteConfig.dismiss(cfg.announcementId)

Copyimport { useEffect, useState } from 'react';
import { remoteConfig } from '@/lib/appmintNative';

export function useMaintenance(url: string): string | null {
  const [text, setText] = useState<string | null>(null);
  useEffect(() => {
    if (!remoteConfig.handledHere()) return;               // the Android app shows its own screen
    void remoteConfig.fetch(url).then((cfg) => {
      setText(cfg?.maintenanceMode ? cfg.maintenanceText : null);
    });
  }, [url]);
  return text;
}

Copyimport { requestDndAccess, setVolume } from '@/lib/appmintNative';

export function silenceRinger(): string {
  const r = setVolume('ring', 0);
  if (r.ok) return 'done';
  if (r.error === 'dnd_access_required') return requestDndAccess();   // 'opened' → ask the user to allow it
  return r.error ?? 'failed';
}

Copyimport { useEffect, useRef } from 'react';
import { requestDndAccess, setVolume } from '@/lib/appmintNative';

export function useRingerMute() {
  const pending = useRef(false);
  useEffect(() => {
    const onShow = () => {
      if (pending.current && document.visibilityState === 'visible') {
        pending.current = false;
        setVolume('ring', 0);                       // allowed now, or the error comes back again
      }
    };
    document.addEventListener('visibilitychange', onShow);
    return () => document.removeEventListener('visibilitychange', onShow);
  }, []);

  return () => {
    if (requestDndAccess() === 'opened') pending.current = true;
  };
}

Copyimport { requestDndAccess, toast } from '@/lib/appmintNative';

export function explainDnd() {
  switch (requestDndAccess()) {
    case 'granted': toast('Do Not Disturb access is already on'); break;
    case 'opened': toast('Allow this app, then come back'); break;
    case 'not_declared': toast('This build was made without that permission'); break;
    default: toast('Only available in the Android app');   // 'unavailable' on the web
  }
}

Copyimport { requestReview } from '@/lib/appmintNative';

async function onOrderDelivered(count: number) {
  // After a success moment, and rarely — not on launch, not after an error.
  if (count === 3 && !localStorage.getItem('askedReview')) {
    localStorage.setItem('askedReview', '1');
    await requestReview();
  }
}

Copyimport { askForReview } from '@/lib/appmintNative';

export async function maybeAsk() {
  const { result } = await askForReview();
  // 'shown' | 'not_from_play' | 'quota' | 'error' | 'unavailable'
  if (result !== 'shown') console.info('review sheet not shown:', result);
}

Copyimport { requestReview } from '@/lib/appmintNative';

const KEY = 'lastReviewAsk';

export async function afterSuccess() {
  const last = Number(localStorage.getItem(KEY) ?? 0);
  if (Date.now() - last < 30 * 24 * 3600 * 1000) return;
  localStorage.setItem(KEY, String(Date.now()));
  await requestReview();
}

Copyimport { dismissPushMessage, restorePushMessage, pushInbox } from '@/lib/appmintNative';

let lastDismissed: string | null = null;

export function dismiss(id: string) {
  if (dismissPushMessage(id)) lastDismissed = id;
  return pushInbox();
}

export function undo() {
  if (lastDismissed) restorePushMessage(lastDismissed);
  lastDismissed = null;
  return pushInbox();
}

Copyimport { useState } from 'react';
import { dismissPushMessage, restorePushMessage } from '@/lib/appmintNative';

export function SwipeRow({ id, onChange }: { id: string; onChange: () => void }) {
  const [undoable, setUndoable] = useState(false);
  return undoable ? (
    <button onClick={() => { if (restorePushMessage(id)) { setUndoable(false); onChange(); } }}>
      Undo
    </button>
  ) : (
    <button onClick={() => { if (dismissPushMessage(id)) { setUndoable(true); onChange(); } }}>
      Dismiss
    </button>
  );
}

Copyimport { restorePushMessage, pushInbox } from '@/lib/appmintNative';

export function undoOrReport(id: string): string {
  if (!restorePushMessage(id)) return 'Nothing to restore';
  return `Back in your inbox (${pushInbox().length} messages)`;
}

Copyexport function BottomNav() {
  return (
    <nav className="fixed inset-x-0 bottom-0" style={{ paddingBottom: 'var(--safe-bottom)' }}>
      {/* tabs */}
    </nav>
  );
}

Copyimport { useEffect, useState } from 'react';
import { safeArea } from '@/lib/appmintNative';

export function useBottomInset(): number {
  const [bottom, setBottom] = useState(0);
  useEffect(() => {
    const read = () => setBottom(safeArea().bottom);
    read();
    window.addEventListener('resize', read);        // rotation changes the insets
    return () => window.removeEventListener('resize', read);
  }, []);
  return bottom;
}

Copyimport { useEffect, useState, type ReactNode } from 'react';
import { safeArea } from '@/lib/appmintNative';

export function PaddedList({ children }: { children: ReactNode }) {
  const [inset, setInset] = useState({ top: 0, bottom: 0 });
  useEffect(() => {
    const read = () => { const s = safeArea(); setInset({ top: s.top, bottom: s.bottom }); };
    read();
    window.addEventListener('resize', read);
    return () => window.removeEventListener('resize', read);
  }, []);
  return <div style={{ paddingTop: inset.top + 8, paddingBottom: inset.bottom + 8 }}>{children}</div>;
}

Copyimport { saveFile } from '@/lib/appmintNative';

function exportScores(rows: { name: string; score: number }[]) {
  const csv = ['name,score', ...rows.map((r) => `${r.name},${r.score}`)].join('\n');
  if (!saveFile('Scores.csv', csv, 'text/csv')) alert('Could not start the download.');
}

Copyimport { saveFile } from '@/lib/appmintNative';

const blob = new Blob([JSON.stringify(state, null, 2)], { type: 'application/json' });
saveFile('Backup.json', blob);

Copyimport { saveFile, toast } from '@/lib/appmintNative';

export async function downloadInvoice(id: string) {
  const res = await fetch(`/api/invoices/${id}.pdf`);
  if (!res.ok) { toast('Could not get the invoice'); return; }
  const pdf = await res.blob();                          // the Blob keeps its own type
  if (!saveFile(`Invoice-${id}.pdf`, pdf)) toast('Could not start the download');
}

Copyimport { can, saveToGallery, toast } from '@/lib/appmintNative';

export function SaveButton({ canvas }: { canvas: HTMLCanvasElement }) {
  if (can('gallery') === 'none') return null;
  return (
    <button onClick={() => canvas.toBlob(async (blob) => {
      if (!blob) return;
      try {
        await saveToGallery(blob, { album: 'My Cards', fileName: 'card.png' });
        toast('Saved to gallery');
      } catch (e) {
        toast('Could not save');
      }
    }, 'image/png')}>Save to gallery</button>
  );
}

Copyimport { saveToGallery, toast } from '@/lib/appmintNative';

export async function saveClip(url: string) {
  try {
    await saveToGallery(url, { kind: 'video', album: 'My Clips', fileName: 'clip.mp4' });
    toast('Saved to your Movies folder');
  } catch (e) {
    const code = (e as { code?: string }).code;
    toast(code === 'download-failed' ? 'Check your connection and try again' : 'Could not save the clip');
  }
}

Copyimport { can, saveToGallery, share } from '@/lib/appmintNative';

export async function saveAndShare(dataUrl: string) {
  if (can('gallery') !== 'none') await saveToGallery(dataUrl, { album: 'Receipts' });
  await share({ title: 'My receipt', text: 'Here is my receipt' });
}

Copyimport { useEffect, useRef, useState } from 'react';
import { can, scanBarcode, haptic } from '@/lib/appmintNative';

export function InlineScanner({ onCode }: { onCode: (v: string) => void }) {
  const videoRef = useRef<HTMLVideoElement>(null);
  const [error, setError] = useState('');

  useEffect(() => {
    const video = videoRef.current;
    if (!video || can('barcodeScan') === 'none') return;
    const ctl = new AbortController();
    void scanBarcode(video, { signal: ctl.signal, formats: ['qr_code'] }).then((hit) => {
      if (hit) { haptic('success'); onCode(hit.value); }
      else if (!ctl.signal.aborted) setError('Camera not available. Type the code instead.');
    });
    return () => ctl.abort();          // leaving the screen stops the camera
  }, [onCode]);

  return (
    <div>
      <video ref={videoRef} className="aspect-square w-full object-cover" muted playsInline />
      {error && <p role="alert">{error}</p>}
    </div>
  );
}

Copyimport { scanBarcode } from '@/lib/appmintNative';

declare const video: HTMLVideoElement;
const hit = await scanBarcode(video, { facingMode: 'user' });

Copyimport { useRef, useState } from 'react';
import { can, scanBarcode } from '@/lib/appmintNative';

export function TicketCheck({ onCode }: { onCode: (v: string) => void }) {
  const videoRef = useRef<HTMLVideoElement>(null);
  const ctl = useRef<AbortController | null>(null);
  const [typed, setTyped] = useState(false);

  async function start() {
    if (!videoRef.current || can('barcodeScan') === 'none') { setTyped(true); return; }
    ctl.current = new AbortController();
    const hit = await scanBarcode(videoRef.current, { signal: ctl.current.signal, formats: ['ean_13', 'code_128'] });
    if (hit) onCode(hit.value);
    else if (!ctl.current.signal.aborted) setTyped(true);   // null and not cancelled: no camera
  }

  return (
    <div>
      <video ref={videoRef} muted playsInline />
      <button onClick={start}>Scan ticket</button>
      <button onClick={() => ctl.current?.abort()}>Cancel</button>
      {typed && <input placeholder="Type the ticket number" onBlur={(e) => onCode(e.target.value)} />}
    </div>
  );
}

Copyimport { can, scanCode, haptic, toast } from '@/lib/appmintNative';

export function ScanButton({ onCode }: { onCode: (v: string) => void }) {
  if (can('codeScanner') === 'none') return null;       // nothing can scan here
  return (
    <button
      onClick={async () => {
        try {
          const hit = await scanCode({ formats: ['qr_code'] });
          if (!hit) return;                               // closed: a normal outcome
          haptic('success');
          onCode(hit.value);
        } catch (e) {
          const code = (e as { code?: string }).code;
          toast(code === 'camera-denied' ? 'Allow the camera to scan.' : 'Scanning is not available right now.');
        }
      }}
    >
      Scan QR code
    </button>
  );
}

Copyimport { scanCode } from '@/lib/appmintNative';

const hit = await scanCode({ manualInput: true });
if (hit?.wifi) console.log('Network', hit.wifi.ssid, hit.wifi.encryption);
else if (hit?.url) window.open(hit.url.url, '_blank');
else if (hit) console.log(hit.type ?? 'text', hit.value);

Copyimport { useEffect, useState } from 'react';
import { onAlarm, snoozeAlarm, stopAlarm } from '@/lib/appmintNative';

export function RingingScreen() {
  const [ringing, setRinging] = useState(false);
  useEffect(() => onAlarm((e) => setRinging(e.action === 'open' && e.ringing === true)), []);
  if (!ringing) return null;
  return (
    <div>
      <button onClick={() => { if (snoozeAlarm('', 10)) setRinging(false); }}>Snooze 10 min</button>
      <button onClick={() => { stopAlarm(); setRinging(false); }}>Stop</button>
    </div>
  );
}

Copyimport { snoozeAlarm } from '@/lib/appmintNative';

export function snoozeOrExplain(minutes = 0) {
  return snoozeAlarm('', minutes)
    ? `Ringing again in ${minutes || 'a few'} minutes`
    : 'No alarm is ringing right now.';
}

Copyimport { alarmSupport, scheduleAlarm } from '@/lib/appmintNative';

export function setWeekdayAlarm(hour: number, minute: number): string {
  const support = alarmSupport();
  if (support !== 'ready') return support;       // show the matching fix-it step

  const first = new Date();
  first.setHours(hour, minute, 0, 0);
  if (first.getTime() <= Date.now()) first.setDate(first.getDate() + 1);

  const ok = scheduleAlarm('wake', {
    at: first.getTime(),
    title: 'Wake up',
    repeat: 'weekdays',
    days: [1, 2, 3, 4, 5],     // ISO: Monday = 1 … Sunday = 7
    snoozeMinutes: 9,
    ringSeconds: 300,
  });
  return ok ? 'set' : 'failed';
}

Copyimport { alarmSupport, scheduleAlarm } from '@/lib/appmintNative';

const HELP: Record<string, string> = {
  not_enabled: 'Alarm clock is switched off in this build.',
  needs_exact_alarm: 'Allow "Alarms & reminders" for this app in Settings.',
  needs_notification_permission: 'Allow notifications for this app in Settings.',
  unavailable: 'Alarms work only in the Android app.',
};

export function setTimer(minutes: number): string {
  const s = alarmSupport();
  if (s !== 'ready') return HELP[s] ?? 'Alarm not available';
  const ok = scheduleAlarm('timer', {
    at: Date.now() + minutes * 60_000,
    title: 'Timer done',
    snoozeMinutes: 0,          // hides the Snooze button
    ringSeconds: 60,
  });
  return ok ? `Timer set for ${minutes} min` : 'Could not set the timer';
}

Copyimport { useEffect, useState } from 'react';
import { onAlarm, stopAlarm, snoozeAlarm, isAlarmRinging } from '@/lib/appmintNative';

export function useAlarmScreen() {
  const [ringing, setRinging] = useState(isAlarmRinging());
  useEffect(() => onAlarm((e) => {
    if (e.action === 'open') setRinging(!!e.ringing);
    else if (e.action === 'dismiss' || e.action === 'snooze' || e.action === 'missed') setRinging(false);
    else if (e.action === 'error') console.warn('Alarm error', e.error);
  }), []);
  return {
    ringing,
    stop: () => stopAlarm(),            // '' = whichever alarm is ringing
    snooze: () => snoozeAlarm('', 5),   // ring again in 5 minutes
  };
}

Copyimport { ScreenOrientation } from '@/lib/appmintNative';
import { useEffect } from 'react';

function GameBoard() {
  useEffect(() => {
    void ScreenOrientation.lock({ orientation: 'landscape' });
    return () => { void ScreenOrientation.unlock(); };   // release when leaving
  }, []);
  return <canvas id="board" />;
}

Copyimport { useEffect, useState } from 'react';
import { ScreenOrientation } from '@/lib/appmintNative';

export function ChartView() {
  const [locked, setLocked] = useState(true);
  useEffect(() => {
    if (locked) void ScreenOrientation.lock({ orientation: 'landscape-primary' });   // any 'landscape*' value
    else void ScreenOrientation.unlock();
    return () => { void ScreenOrientation.unlock(); };
  }, [locked]);
  return <button onClick={() => setLocked((v) => !v)}>{locked ? 'Free rotation' : 'Lock landscape'}</button>;
}

Copyimport { lockOrientation, toast } from '@/lib/appmintNative';

export async function openSignaturePad() {
  const ok = await lockOrientation('landscape');
  if (!ok) toast('Turn your phone sideways for more room');
}

Copyimport { screenReader } from '@/lib/appmintNative';
import { useEffect, useState } from 'react';

function useScreenReader() {
  const [on, setOn] = useState(false);
  useEffect(() => {
    void screenReader.isEnabled().then(setOn);
    return screenReader.onChange(setOn);
  }, []);
  return on;   // e.g. skip auto-advancing carousels when true
}

async function onPaid() {
  await screenReader.speak('Payment complete', 'en');
}

Copyimport { screenReader, toast } from '@/lib/appmintNative';

export async function notifySaved() {
  if (await screenReader.isEnabled()) await screenReader.speak('Note saved', 'en');
  else toast('Note saved');
}

Copyimport { useEffect, useState } from 'react';
import { screenReader } from '@/lib/appmintNative';

export function Banner({ text }: { text: string }) {
  const [reduce, setReduce] = useState(false);
  useEffect(() => {
    let alive = true;
    void screenReader.isEnabled().then((v) => { if (alive) setReduce(v); });
    const off = screenReader.onChange(setReduce);   // returns an unsubscribe function
    return () => { alive = false; off(); };
  }, []);
  return <div className={reduce ? '' : 'animate-pulse'} role="status" aria-live="polite">{text}</div>;
}

Copyimport { searchContacts, can } from '@/lib/appmintNative';

let timer: ReturnType<typeof setTimeout> | undefined;
let latest = 0;

export function onSearchInput(text: string, show: (names: string[]) => void) {
  if (can('contactList') === 'none') return;
  clearTimeout(timer);
  timer = setTimeout(async () => {
    const mine = ++latest;
    const found = await searchContacts(text, 20).catch(() => []);
    if (mine !== latest) return;                     // a newer search already started
    show(found.map((c) => c.name ?? ''));
  }, 250);
}

Copyimport { useState } from 'react';
import { can, searchContacts, type Contact } from '@/lib/appmintNative';

export function ContactPicker({ onPick }: { onPick: (c: Contact) => void }) {
  const [rows, setRows] = useState<Contact[] | null>(null);
  if (can('contactList') === 'none') return <p>Choosing a contact works only in the Android app.</p>;
  return (
    <div>
      <input placeholder="Search contacts" onChange={async (e) => setRows(await searchContacts(e.target.value, 10))} />
      {rows && rows.length === 0 && <p>No contacts match, or access was not allowed.</p>}
      {rows?.map((c) => <button key={c.id ?? c.name} onClick={() => onPick(c)}>{c.name} {c.phones?.[0]}</button>)}
    </div>
  );
}

Copyimport { searchContacts, composeSms } from '@/lib/appmintNative';

export async function textPerson(name: string, message: string): Promise<boolean> {
  const [first] = await searchContacts(name, 1);
  const number = first?.phones?.[0];
  return number ? composeSms(number, message) : false;   // the user presses send
}

Copyimport { secureKeys, SecureKeyError, unlock } from '@/lib/appmintNative';

export async function openSecret(sealed: string): Promise<string | null> {
  try {
    return await secureKeys.decrypt('vault', sealed);
  } catch (e) {
    if (!(e instanceof SecureKeyError)) throw e;
    switch (e.code) {
      case 'auth-required':
        if (await unlock('Open vault')) return secureKeys.decrypt('vault', sealed);
        return null;
      case 'no-such-key':
      case 'key-invalidated':
        alert('This secret can no longer be opened.');
        return null;
      case 'disabled':
        alert('Secure storage is not available in this app.');
        return null;
      default:
        alert('Could not open it: ' + e.code);
        return null;
    }
  }
}

Copyimport { SecureKeyError } from '@/lib/appmintNative';

export function secureKeyMessage(e: unknown): string {
  if (!(e instanceof SecureKeyError)) return 'Something went wrong';
  switch (e.code) {
    case 'auth-required': return 'Unlock your phone to continue';
    case 'key-invalidated': return 'Your screen lock changed, so this data was erased';
    case 'too-large': return 'That is too big to protect in one piece';
    case 'foreign-origin': return 'This page is not allowed to use secure storage';
    default: return 'Secure storage failed (' + e.code + ')';
  }
}

Copyimport { secureKeys, SecureKeyError } from '@/lib/appmintNative';

export async function readNote(sealed: string): Promise<string | null> {
  try {
    return await secureKeys.decrypt('notes', sealed);
  } catch (e) {
    if (e instanceof SecureKeyError && (e.code === 'bad-payload' || e.code === 'failed')) {
      localStorage.removeItem('note');   // the stored text cannot be read any more
      return null;
    }
    throw e;
  }
}

Copyimport { secureKeys, SecureKeyError, can } from '@/lib/appmintNative';

export async function saveDiary(text: string) {
  if (can('secureKeys') === 'none') throw new Error('Secure storage is not available here');
  if (!(await secureKeys.has('diary'))) {
    const { hardwareBacked } = await secureKeys.generate('diary', { requireAuth: true, authValiditySeconds: 60 });
    console.log(hardwareBacked ? 'Key in secure hardware' : 'Key in software');
  }
  const sealed = await secureKeys.encrypt('diary', text);    // strings in, base64 out
  localStorage.setItem('diary', sealed);
}

export async function readDiary(): Promise<string | null> {
  const sealed = localStorage.getItem('diary');
  if (!sealed) return null;
  try {
    return await secureKeys.decrypt('diary', sealed);
  } catch (e) {
    if (e instanceof SecureKeyError && e.code === 'key-invalidated') return null;  // data is gone
    throw e;
  }
}

Copyimport { secureKeys } from '@/lib/appmintNative';

export async function wipeDiary() {
  await secureKeys.remove('diary');
  localStorage.removeItem('diary');
}

Copyimport { secureKeys, can } from '@/lib/appmintNative';

export async function describeKeys(): Promise<string[]> {
  if (can('secureKeys') === 'none') return [];
  const aliases = await secureKeys.list();
  return Promise.all(aliases.map(async (alias) =>
    `${alias}: ${(await secureKeys.isHardwareBacked(alias)) ? 'secure hardware' : 'software'}`));
}

Copyimport { sendSms, can } from '@/lib/appmintNative';

export async function sendAlert(to: string, text: string): Promise<string> {
  if (can('smsSend') === 'none') return 'Sending SMS works only in the Android app.';
  try {
    const ok = await sendSms(to, text);
    return ok ? 'Alert sent' : 'The SMS could not be sent';
  } catch {
    return 'No answer from the phone after 3 minutes';
  }
}

Copyimport { sendSms, composeSms, can, toast } from '@/lib/appmintNative';

export async function sendCheckIn(to: string) {
  if (can('smsSend') === 'none') { composeSms(to, 'I am safe'); return; }   // the user presses send
  if (!window.confirm('Send "I am safe" to ' + to + '? This may cost money.')) return;
  toast((await sendSms(to, 'I am safe')) ? 'Sent' : 'Could not send. Check the SMS permission.');
}

Copyimport { sendSms } from '@/lib/appmintNative';

export async function alertAll(numbers: string[], text: string) {
  let sent = 0;
  for (const n of numbers) {
    if (await sendSms(n, text)) sent += 1;      // waits for the phone's answer for each one
  }
  return { sent, failed: numbers.length - sent };
}

Copyimport { setInAppPresentation } from '@/lib/appmintNative';

// The app draws its own messages from now on.
setInAppPresentation('none');

Copyimport { setInAppPresentation } from '@/lib/appmintNative';

export function onNativePopupsChange(on: boolean) {
  if (!setInAppPresentation(on ? 'auto' : 'none')) console.info('In-app messages are not available here');
}

Copyimport { useEffect } from 'react';
import { setInAppPresentation } from '@/lib/appmintNative';

export function useQuietScreen() {
  useEffect(() => {
    setInAppPresentation('none');
    return () => { setInAppPresentation('auto'); };
  }, []);
}

Copyimport { musicVolume, setMusicVolume } from '@/lib/appmintNative';

export const hasMusic = () => musicVolume() >= 0;
export const toggleMute = () => setMusicVolume(musicVolume() > 0 ? 0 : 40);   // remembered by the app

Copyimport { useState } from 'react';
import { musicVolume, setMusicVolume } from '@/lib/appmintNative';

export function MusicSlider() {
  const [level, setLevel] = useState(musicVolume());
  if (level < 0) return null;                       // no music in this app: draw no control
  return (
    <input type="range" min={0} max={100} value={level}
      onChange={(e) => { const v = Number(e.target.value); setLevel(v); setMusicVolume(v); }} />
  );
}

Copyimport { musicVolume, setMusicVolume } from '@/lib/appmintNative';

let before = -1;
export function duckMusic() { before = musicVolume(); if (before > 0) setMusicVolume(10); }
export function restoreMusic() { if (before >= 0) setMusicVolume(before); before = -1; }

Copyimport { useEffect } from 'react';
import { setPushPresentation, pushInbox } from '@/lib/appmintNative';

// Option A — keep the shell's banner, and never draw a second one on top of it.
export function usePushBanner(show: (title: string) => void) {
  useEffect(() => {
    const onPush = (e: Event) => {
      const d = (e as CustomEvent).detail;
      // { type: 'received', message, presented } — presented = the shell already showed it
      if (d.type === 'received' && !d.presented) show(d.message.title);
    };
    window.addEventListener('appmint:push', onPush);
    return () => window.removeEventListener('appmint:push', onPush);
  }, [show]);
}

// Option B — the app draws every message itself.
export function takeOverPushBanners() {
  setPushPresentation('none');   // saved on the phone; 'auto' gives it back to the shell
  return pushInbox();
}

Copyimport { setPushPresentation } from '@/lib/appmintNative';

export function useOwnBanners(on: boolean): boolean {
  const saved = setPushPresentation(on ? 'none' : 'auto');
  if (!saved) console.info('Push banners are not controllable here');
  return saved;
}

Copyimport { useEffect, useState } from 'react';
import { setPushPresentation, markPushRead, pushInbox, type PushMessage } from '@/lib/appmintNative';

export function useCustomBanner() {
  const [msg, setMsg] = useState<PushMessage | null>(null);
  useEffect(() => {
    setPushPresentation('none');                  // the shell draws nothing; the page does
    const onPush = (e: Event) => {
      const d = (e as CustomEvent).detail;
      if (d.type === 'received') setMsg(d.message);
      if (d.type === 'revoked') setMsg((m) => (m?.id === d.id ? null : m));
    };
    window.addEventListener('appmint:push', onPush);
    return () => { window.removeEventListener('appmint:push', onPush); setPushPresentation('auto'); };
  }, []);
  return { msg, unread: pushInbox().filter((m) => !m.read).length, dismiss: () => { if (msg) markPushRead(msg.id); setMsg(null); } };
}

Copyimport { useEffect } from 'react';
import { setPushTag } from '@/lib/appmintNative';

// Abandoned cart: a tag automation on "cart" (say 60 minutes) reminds only phones whose cart is
// still open when the time is up. Setting 'open' again does not restart the clock.
export function useCartPushTag(itemCount: number) {
  const hasItems = itemCount > 0;
  useEffect(() => {
    setPushTag('cart', hasItems ? 'open' : '');
  }, [hasItems]);
}

export function onCheckoutComplete() {
  setPushTag('cart', '');
}

Copyimport { setPushTag } from '@/lib/appmintNative';

export function markNewsletterChoice(subscribed: boolean) {
  const saved = setPushTag('newsletter', subscribed ? 'yes' : '');
  if (!saved) console.warn('Push tag not saved (web, Push off, or invalid key/value)');
  return saved;
}

Copyimport { useEffect } from 'react';
import { setPushTag } from '@/lib/appmintNative';

export function useLevelTag(level: number) {
  useEffect(() => {
    if (level >= 10) setPushTag('veteran', 'yes');
    setPushTag('level', String(level));
  }, [level]);
}

Copyimport { setPushTags, getPushTags, setPushUser } from '@/lib/appmintNative';

export function tagProfile(profile: { plan: 'free' | 'pro'; level: number; team?: string }) {
  return setPushTags({
    plan: profile.plan,
    level: String(profile.level),   // values are text
    team: profile.team ?? '',       // '' removes the tag
  });
}

// Sign-out: clear every tag and the user id.
export function signOutOfPush() {
  const cleared = Object.fromEntries(Object.keys(getPushTags()).map((k) => [k, '']));
  setPushTags(cleared);
  setPushUser('');
}

Copyimport { setPushTags } from '@/lib/appmintNative';

export function savePreferences(prefs: { lang: string; topics: string[] }) {
  const ok = setPushTags({
    lang: prefs.lang,
    topics: prefs.topics.join(',').slice(0, 128),   // a value is at most 128 characters
    onboarded: 'yes',
  });
  if (!ok) console.warn('Push tags not saved: nothing was changed');
  return ok;
}

Copyimport { useEffect } from 'react';
import { setPushTags, setPushUser } from '@/lib/appmintNative';

export function usePushProfile(user: { id: string; plan: 'free' | 'pro'; trialEnds?: string } | null) {
  useEffect(() => {
    if (!user) return;
    setPushUser(user.id);
    setPushTags({ plan: user.plan, trial: user.plan === 'pro' ? '' : (user.trialEnds ?? '') });
  }, [user?.id, user?.plan, user?.trialEnds]);
}

Copyimport { useEffect } from 'react';
import { setPushUser, getPushUser } from '@/lib/appmintNative';
import { supabase } from '@/lib/supabase';

// Keeps AppMint Push in step with the signed-in account: the auth user id, never the email.
export function usePushUser() {
  useEffect(() => {
    const { data } = supabase.auth.onAuthStateChange((_event, session) => {
      const id = session?.user.id ?? '';
      if (getPushUser() !== id) setPushUser(id);
    });
    return () => data.subscription.unsubscribe();
  }, []);
}

Copyimport { setPushUser } from '@/lib/appmintNative';

export function linkPushToAccount(account: { id: string; email: string }) {
  const ok = setPushUser(account.id);   // the id, never the email
  if (!ok) console.warn('Push user id not saved (web, Push off, or invalid characters)');
  return ok;
}

Copyimport { setPushUser, getPushUser } from '@/lib/appmintNative';

export function SignOutButton({ signOut }: { signOut: () => Promise<void> }) {
  return (
    <button
      onClick={async () => {
        await signOut();
        if (getPushUser()) setPushUser('');   // this install stops receiving "send to this user" messages
      }}
    >
      Sign out
    </button>
  );
}

Copyimport { setPushUser, setPushTag } from '@/lib/appmintNative';

export function onSignedIn(userId: string, plan: 'free' | 'pro') {
  setPushUser(userId);
  setPushTag('plan', plan);
}

Copyimport { useEffect } from 'react';
import { setStatusBar } from '@/lib/appmintNative';

export function App() {
  useEffect(() => { setStatusBar('#0B0F1A', 'light'); }, []);   // dark app, light icons
  return <main>{/* … */}</main>;
}

export function PhotoViewer() {
  useEffect(() => {
    setStatusBar('#000000', 'light');
    return () => setStatusBar('#0B0F1A', 'light');                // restore on leave
  }, []);
  return null;
}

Copyimport { setStatusBar } from '@/lib/appmintNative';

setStatusBar('#FFFFFF', 'dark');

Copyimport { StatusBar } from '@/lib/appmintNative';

await StatusBar.setBackgroundColor({ color: '#0B0F1A' });
await StatusBar.setStyle({ style: 'DARK' });

Copyimport { useState } from 'react';
import { getVolume, setVolume, requestDndAccess } from '@/lib/appmintNative';

export function RingVolume() {
  const [level, setLevel] = useState(() => getVolume('ring')?.percent ?? null);
  if (level === null) return null;                   // web: no phone volume to set
  return (
    <input
      type="range" min={0} max={100} value={level}
      onChange={(e) => {
        const r = setVolume('ring', Number(e.target.value));
        if (r.ok) setLevel(r.percent ?? level);
        else if (r.error === 'dnd_access_required') requestDndAccess();
      }}
    />
  );
}

Copyimport { useEffect, useState } from 'react';
import { getVolume, setVolume, onVolumeChange } from '@/lib/appmintNative';

export function MediaVolume() {
  const [pct, setPct] = useState<number | null>(() => getVolume('media')?.percent ?? null);
  useEffect(() => onVolumeChange((l) => { if (l.stream === 'media') setPct(l.percent); }), []);
  if (pct === null) return null;   // web: no phone volume
  return <input type="range" min={0} max={100} value={pct} onChange={(e) => setVolume('media', Number(e.target.value))} />;
}

Copyimport { setVolume } from '@/lib/appmintNative';

export function louderAlarm() {
  const r = setVolume('alarm', 90, true);   // true shows the phone's volume slider
  if (!r.ok) {
    switch (r.error) {
      case 'fixed_volume': return 'This phone has a fixed volume.';
      case 'unavailable': return 'Volume control needs the Android app.';
      default: return `Could not change the volume (${r.error}).`;
    }
  }
  return `Alarm volume is now ${r.percent}%`;
}

Copyimport { can, share, toast } from '@/lib/appmintNative';

export function ShareRecipe({ recipe }: { recipe: { title: string; url: string } }) {
  if (can('share') === 'none') return null;
  return (
    <button
      onClick={async () => {
        const ok = await share({ title: recipe.title, text: 'Try this recipe', url: recipe.url });
        if (ok) toast('Shared');           // false = the user closed the sheet; say nothing
      }}
    >
      Share
    </button>
  );
}

Copyimport { share } from '@/lib/appmintNative';

await share({ text: 'My score today: 42' });

Copyimport { Share } from '@/lib/appmintNative';

if ((await Share.canShare()).value) {
  try {
    await Share.share({ title: 'Invite', url: 'https://example.com/join' });
  } catch {
    /* cancelled or unavailable — never report success here */
  }
}

Copyimport { can, share, toast } from '@/lib/appmintNative';

export function ShareRecipe({ recipe }: { recipe: { title: string; url: string } }) {
  if (can('share') === 'none') return null;
  return (
    <button
      onClick={async () => {
        const ok = await share({ title: recipe.title, text: 'Try this recipe', url: recipe.url });
        if (ok) toast('Shared');           // false = the user closed the sheet; say nothing
      }}
    >
      Share
    </button>
  );
}

Copyimport { share } from '@/lib/appmintNative';

await share({ text: 'My score today: 42' });

Copyimport { Share } from '@/lib/appmintNative';

if ((await Share.canShare()).value) {
  try {
    await Share.share({ title: 'Invite', url: 'https://example.com/join' });
  } catch {
    /* cancelled or unavailable — never report success here */
  }
}

Copyimport { useEffect } from 'react';
import { can, sharedText, clearShared, toast } from '@/lib/appmintNative';

export function useSaveSharedLink(save: (item: { title: string; url: string; text: string }) => Promise<void>) {
  useEffect(() => {
    if (can('shareTarget') === 'none') return;     // on the web
    const p = sharedText();
    if (!p) return;
    void save({ title: p.subject || p.url || 'Shared note', url: p.url, text: p.text })
      .then(() => { clearShared(); toast('Saved'); });
  }, [save]);
}

Copyimport { useEffect, useState } from 'react';
import { sharedText, onShared, clearShared } from '@/lib/appmintNative';

export function useIncomingShare() {
  const [text, setText] = useState(() => sharedText()?.text ?? '');
  useEffect(() => onShared((p) => setText(p.text)), []);
  return { text, done: () => { clearShared(); setText(''); } };
}

Copyimport { useEffect, useState } from 'react';
import { can, sharedText } from '@/lib/appmintNative';

export function NewBookmark() {
  const [url, setUrl] = useState('');
  useEffect(() => {
    if (can('shareTarget') === 'none') return;   // web: nobody can share into the page
    const p = sharedText();
    if (p?.url) setUrl(p.url);
  }, []);
  return <input value={url} onChange={(e) => setUrl(e.target.value)} placeholder="Paste a link" />;
}

Copyimport { sheet } from '@/lib/appmintNative';

const h = sheet({
  title: 'About this list',
  content: (host) => {
    const p = document.createElement('p');
    p.textContent = 'Items sync to all your devices.';
    host.appendChild(p);
  },
});
await h.closed;

Copyimport { useState } from 'react';
import { createPortal } from 'react-dom';
import { sheet } from '@/lib/appmintNative';

export function FiltersButton() {
  const [host, setHost] = useState<HTMLElement | null>(null);
  const [close, setClose] = useState<() => void>(() => () => {});

  const open = () => {
    const h = sheet({ title: 'Filters', content: () => {} });
    setHost(h.element);
    setClose(() => h.close);
    void h.closed.then(() => setHost(null));      // unmount the portal after any close
  };

  return (
    <>
      <button onClick={open}>Filters</button>
      {host && createPortal(
        <form onSubmit={(e) => { e.preventDefault(); close(); }}>
          <label><input type="checkbox" name="open" /> Open now</label>
          <button type="submit">Apply</button>
        </form>,
        host,
      )}
    </>
  );
}

Copyimport { sheet } from '@/lib/appmintNative';

export async function confirmDelete(name: string): Promise<boolean> {
  let answer = false;
  const h = sheet({
    title: 'Delete this item?',
    dismissible: false,                       // only the buttons below close it
    content: (host) => {
      const p = document.createElement('p');
      p.textContent = `"${name}" will be removed.`;
      const yes = document.createElement('button');
      yes.textContent = 'Delete';
      yes.onclick = () => { answer = true; h.close(); };
      const no = document.createElement('button');
      no.textContent = 'Keep it';
      no.onclick = () => h.close();
      host.append(p, yes, no);
    },
  });
  await h.closed;                             // resolves however the sheet closed
  return answer;
}

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { can, shortcuts, launchUrl } from '@/lib/appmintNative';

export function useAppShortcuts() {
  const navigate = useNavigate();
  useEffect(() => {
    if (can('shortcuts') !== 'none') {
      void shortcuts.set([
        { id: 'new', title: 'New note', route: '/new' },
        { id: 'search', title: 'Search', route: '/search' },
      ]);
    }
    void launchUrl().then((u) => { if (u) navigate(new URL(u).pathname); });
  }, [navigate]);
}

Copyimport { shortcuts } from '@/lib/appmintNative';

await shortcuts.clear();

Copyimport { useEffect } from 'react';
import { useNavigate } from 'react-router-dom';
import { onDeepLink } from '@/lib/appmintNative';

export function useShortcutRouting() {
  const navigate = useNavigate();
  useEffect(() => onDeepLink((url) => navigate(new URL(url).pathname)), [navigate]);
}

Copyimport { useEffect } from 'react';
import { shortcuts } from '@/lib/appmintNative';

export function useAccountShortcuts(signedIn: boolean) {
  useEffect(() => {
    if (!signedIn) { void shortcuts.clear(); return; }
    void shortcuts.set([
      { id: 'inbox', title: 'Inbox', route: '/inbox' },
      { id: 'compose', title: 'Write a message', route: 'compose' },   // gets a leading "/"
    ]).then((handed) => { if (!handed) console.info('No launcher shortcuts on this platform'); });
  }, [signedIn]);
}

Copyimport { isAlarmRinging, snoozeAlarm } from '@/lib/appmintNative';

// A shake-to-snooze handler:
window.addEventListener('devicemotion', (e) => {
  const a = e.accelerationIncludingGravity;
  if (a && Math.abs(a.x ?? 0) > 25 && isAlarmRinging()) snoozeAlarm('', 5);
});

Copyimport { useEffect, useState } from 'react';
import { onAlarm, snoozeAlarm, stopAlarm } from '@/lib/appmintNative';

export function RingingScreen() {
  const [ringing, setRinging] = useState(false);
  useEffect(() => onAlarm((e) => setRinging(e.action === 'open' && e.ringing === true)), []);
  if (!ringing) return null;
  return (
    <div>
      <button onClick={() => { if (snoozeAlarm('', 10)) setRinging(false); }}>Snooze 10 min</button>
      <button onClick={() => { stopAlarm(); setRinging(false); }}>Stop</button>
    </div>
  );
}

Copyimport { snoozeAlarm } from '@/lib/appmintNative';

export function snoozeOrExplain(minutes = 0) {
  return snoozeAlarm('', minutes)
    ? `Ringing again in ${minutes || 'a few'} minutes`
    : 'No alarm is ringing right now.';
}

Copyimport { speak, stopSpeaking } from '@/lib/appmintNative';

export function ReadAloud({ text }: { text: string }) {
  return (
    <div>
      <button onClick={() => speak(text, { lang: 'en-IN', rate: 0.9 })}>Read aloud</button>
      <button onClick={() => stopSpeaking()}>Stop</button>
    </div>
  );
}

Copyimport { speak } from '@/lib/appmintNative';

speak('வணக்கம்', { lang: 'ta-IN' });          // Tamil
speak('Slow and clear', { rate: 0.7 });       // rate 0.1..4, 1 = normal
speak('High voice', { pitch: 1.5 });          // pitch 0.1..4, 1 = normal

Copyimport { speak, toast } from '@/lib/appmintNative';

export function announceSaved(title: string) {
  toast('Saved');
  speak(`${title} saved`, { rate: 1.1 });
}

Copyimport { useEffect } from 'react';
import { speak, stopSpeaking } from '@/lib/appmintNative';

export function ReadHeadlines({ items }: { items: string[] }) {
  useEffect(() => () => stopSpeaking(), []);   // leaving the screen stops the voice
  return <button onClick={() => items.forEach((t) => speak(t))}>Read all</button>;
}

Copyimport { useEffect, useState } from 'react';
import { speech } from '@/lib/appmintNative';

export function VoiceNote() {
  const [ok, setOk] = useState(false);
  const [text, setText] = useState('');
  const [msg, setMsg] = useState('');

  useEffect(() => { void speech.isAvailable().then(setOk); }, []);
  if (!ok) return null;                      // no dictation here: hide the mic button

  const listen = async () => {
    setMsg('Listening...');
    const started = await speech.start(
      (t, isFinal) => { setText(t); if (isFinal) setMsg(''); },
      { lang: 'en-US' },                     // partial results by default
    );
    if (!started) setMsg('Microphone permission is needed for voice input.');
  };

  return (
    <div>
      <button aria-label="Speak" onClick={listen}>🎤</button>
      <button onClick={() => { void speech.stop(); setMsg(''); }}>Stop</button>
      <p>{text}</p>
      <p role="status">{msg}</p>
    </div>
  );
}

Copyimport { useState } from 'react';
import { speech } from '@/lib/appmintNative';

export function DictateField() {
  const [value, setValue] = useState('');
  const [error, setError] = useState('');

  const dictate = async () => {
    setError('');
    const started = await speech.start((text, isFinal) => { if (isFinal) setValue((v) => (v ? `${v} ${text}` : text)); }, { partial: false });
    if (!started) setError('Voice input is not available. Check the microphone permission.');
  };

  return (
    <div>
      <textarea value={value} onChange={(e) => setValue(e.target.value)} />
      <button onClick={dictate}>Dictate</button>
      {error && <p role="alert">{error}</p>}
    </div>
  );
}

Copyimport { useEffect, useState } from 'react';
import { speech, speak } from '@/lib/appmintNative';

export function VoiceCommand() {
  const [heard, setHeard] = useState('');
  useEffect(() => () => { void speech.stop(); }, []);

  return (
    <button
      onClick={() => void speech.start((t, isFinal) => {
        setHeard(t);
        if (isFinal) speak(`You said ${t}`);
      }, { lang: 'en-US' })}
    >
      {heard || 'Say something'}
    </button>
  );
}

Copy// main.tsx
import { splash } from '@/lib/appmintNative';

splash.hold();   // at import time, before the first render

Copy// Home.tsx
import { useEffect, useState } from 'react';
import { splash } from '@/lib/appmintNative';

export function Home({ load }: { load: () => Promise<string[]> }) {
  const [items, setItems] = useState<string[] | null>(null);

  useEffect(() => {
    load()
      .then(setItems)
      .catch(() => setItems([]))
      .finally(() => splash.ready());     // ALWAYS release, also when loading failed
  }, [load]);

  if (!items) return null;
  return <ul>{items.map((t) => <li key={t}>{t}</li>)}</ul>;
}

Copy// main.tsx
import { splash } from '@/lib/appmintNative';
import { supabase } from '@/lib/supabase';

splash.hold();
supabase.auth.getSession().finally(() => splash.ready());

Copyimport { useEffect } from 'react';
import { splash } from '@/lib/appmintNative';

export function useReleaseSplash(loaded: boolean) {
  useEffect(() => {
    if (loaded) splash.ready();   // calling it again later does nothing harmful
  }, [loaded]);
}

Copyimport { StatusBar } from '@/lib/appmintNative';

// Colour only — the icon style is left alone (the shell picks readable icons on Android).
await StatusBar.setBackgroundColor({ color: '#0B0F1A' });

Copyimport { setStatusBar } from '@/lib/appmintNative';

setStatusBar('#0B0F1A', 'light');   // dark bar, light icons
setStatusBar('#FFFFFF', 'dark');    // light bar, dark icons

Copyimport { useEffect } from 'react';
import { StatusBar } from '@/lib/appmintNative';

export function useStatusBarForTheme(dark: boolean) {
  useEffect(() => {
    void StatusBar.setBackgroundColor({ color: dark ? '#0B0F1A' : '#FFFFFF' });
    void StatusBar.setStyle({ style: dark ? 'DARK' : 'LIGHT' });   // 'DARK' = dark bar, light icons
  }, [dark]);
}

Copyimport { stopAlarm, snoozeAlarm } from '@/lib/appmintNative';

export function RingScreen({ id, onClose }: { id: string; onClose: () => void }) {
  return (
    <div className="ring">
      <button onClick={() => { snoozeAlarm(id, 10); onClose(); }}>Snooze 10 min</button>
      <button onClick={() => { stopAlarm(id); onClose(); }}>Stop</button>
    </div>
  );
}

Copyimport { useEffect, useState } from 'react';
import { onAlarm, isAlarmRinging, stopAlarm } from '@/lib/appmintNative';

export function useRingingAlarm() {
  const [ringingId, setRingingId] = useState<string | null>(null);
  useEffect(() => onAlarm((e) => {
    if (e.action === 'open' && e.ringing) setRingingId(e.id);
    else setRingingId(null);   // dismiss, snooze, missed or error: it is no longer ringing
  }), []);
  return {
    ringingId,
    stop: () => { if (isAlarmRinging()) stopAlarm(ringingId ?? ''); },
  };
}

Copyimport { stopAlarm, alarmSupport } from '@/lib/appmintNative';

export function stopWithFeedback(id: string, say: (m: string) => void) {
  if (alarmSupport() === 'unavailable') return say('Alarms only work in the Android app');
  say(stopAlarm(id) ? 'Alarm stopped' : 'That alarm is not ringing');
}

Copyimport { useEffect } from 'react';
import { speak, stopSpeaking } from '@/lib/appmintNative';

export function StoryPage({ story }: { story: string }) {
  // Stop reading when the user leaves the page.
  useEffect(() => () => stopSpeaking(), []);

  return (
    <article>
      <p>{story}</p>
      <button onClick={() => { stopSpeaking(); speak(story); }}>Read from the start</button>
      <button onClick={stopSpeaking}>Stop</button>
    </article>
  );
}

Copyimport { useState } from 'react';
import { speak, stopSpeaking } from '@/lib/appmintNative';

export function ReadAloud({ text, lang }: { text: string; lang: string }) {
  const [rate, setRate] = useState(1);
  return (
    <div>
      <input type="range" min={0.5} max={2} step={0.1} value={rate} onChange={(e) => setRate(Number(e.target.value))} />
      <button onClick={() => { stopSpeaking(); speak(text, { lang, rate }); }}>Read aloud</button>
      <button onClick={() => stopSpeaking()}>Stop</button>
    </div>
  );
}

Copyimport { stopSpeaking } from '@/lib/appmintNative';

export function ReplyBox({ onSend }: { onSend: (text: string) => void }) {
  return <textarea onFocus={() => stopSpeaking()} onBlur={(e) => onSend(e.currentTarget.value)} />;
}

Copyimport { useEffect, useRef } from 'react';
import { swipeable, toast } from '@/lib/appmintNative';

export function MessageRow({ id, text, onDelete, onUndo }: {
  id: string; text: string; onDelete(id: string): void; onUndo(id: string): void;
}) {
  const ref = useRef<HTMLLIElement>(null);
  useEffect(() => {
    if (!ref.current) return;
    return swipeable(ref.current, {
      onLeft: () => { onDelete(id); toast('Deleted'); },
    });
  }, [id, onDelete]);

  return (
    <li ref={ref} className="flex items-center justify-between p-4">
      <span>{text}</span>
      <button onClick={() => onDelete(id)}>Delete</button>
      {/* swipe is never the only way to an action */}
    </li>
  );
}

Copyimport { swipeable } from '@/lib/appmintNative';

declare const panel: HTMLElement;
declare let tab: number;
const off = swipeable(panel, { onLeft: () => { tab += 1; }, onRight: () => { tab -= 1; }, threshold: 72 });
// later: off();

Copyimport { useEffect, useRef } from 'react';
import { swipeable } from '@/lib/appmintNative';

export function Banner({ onClose, children }: { onClose: () => void; children: React.ReactNode }) {
  const ref = useRef<HTMLDivElement>(null);
  useEffect(() => (ref.current ? swipeable(ref.current, { onUp: onClose, threshold: 40 }) : undefined), [onClose]);
  return <div ref={ref} className="banner">{children}</div>;
}

Copyimport { systemPalette } from '@/lib/appmintNative';

export async function applyWallpaperAccent() {
  const p = await systemPalette();
  if (!p.available || !p.accent1) return;          // keep the app's own palette
  const root = document.documentElement.style;
  root.setProperty('--accent', p.accent1['600']);
  root.setProperty('--accent-soft', p.accent1['100']);
}

Copyimport { useEffect, useState } from 'react';
import { systemPalette } from '@/lib/appmintNative';

export function useWallpaperAccent(enabled: boolean) {
  const [accent, setAccent] = useState<string | null>(null);
  useEffect(() => {
    if (!enabled) { setAccent(null); return; }
    const read = () => systemPalette().then((p) => setAccent(p.available ? p.accent1?.['600'] ?? null : null));
    void read();
    document.addEventListener('visibilitychange', read);
    return () => document.removeEventListener('visibilitychange', read);
  }, [enabled]);
  return accent;   // null = no wallpaper palette on this device (Android 11 and older, or the web)
}

Copyimport { useEffect, useState } from 'react';
import { can, systemPalette } from '@/lib/appmintNative';

export function WallpaperToggle({ value, onChange }: { value: boolean; onChange: (v: boolean) => void }) {
  const [ok, setOk] = useState(false);
  useEffect(() => { if (can('systemPalette') !== 'none') systemPalette().then((p) => setOk(p.available)); }, []);
  if (!ok) return null;
  return <label><input type="checkbox" checked={value} onChange={(e) => onChange(e.target.checked)} /> Match my wallpaper</label>;
}

Copyimport { TextToSpeech } from '@/lib/appmintNative';

async function announce(orderNo: number) {
  await TextToSpeech.speak({ text: `Order ${orderNo} is ready`, lang: 'en-US', rate: 1, pitch: 1 });
  // Here the text is queued; it may still be speaking.
}

async function silence() {
  await TextToSpeech.stop();
}

Copyimport { TextToSpeech } from '@/lib/appmintNative';

export async function readSteps(steps: string[]) {
  await TextToSpeech.stop();   // drop anything still waiting from before
  for (const [i, s] of steps.entries()) {
    await TextToSpeech.speak({ text: `Step ${i + 1}. ${s}`, lang: 'en-US' });
  }
}

Copyimport { useEffect } from 'react';
import { TextToSpeech } from '@/lib/appmintNative';

export function ArticleReader({ text }: { text: string }) {
  useEffect(() => () => { void TextToSpeech.stop(); }, []);
  return <button onClick={() => void TextToSpeech.speak({ text, rate: 0.9 })}>Listen</button>;
}

Copyimport { textZoom } from '@/lib/appmintNative';

async function bigger() { await textZoom.set((await textZoom.get()) + 0.1); }
async function smaller() { await textZoom.set((await textZoom.get()) - 0.1); }
async function reset() { await textZoom.set(await textZoom.getPreferred()); }

Copyimport { textZoom } from '@/lib/appmintNative';

const saved = Number(localStorage.getItem('textZoom'));
if (saved) await textZoom.set(saved);

export async function setSize(v: number) {
  await textZoom.set(v);
  localStorage.setItem('textZoom', String(v));
}

Copyimport { useEffect, useState } from 'react';
import { textZoom } from '@/lib/appmintNative';

export function TextSizeStepper() {
  const [z, setZ] = useState(1);
  useEffect(() => { textZoom.get().then(setZ); }, []);
  const change = async (d: number) => {
    const next = Math.min(3, Math.max(0.5, Math.round((z + d) * 10) / 10));
    await textZoom.set(next);
    setZ(next);
  };
  return (
    <div>
      <button onClick={() => change(-0.1)}>A-</button>
      <span>{Math.round(z * 100)}%</span>
      <button onClick={() => change(0.1)}>A+</button>
    </div>
  );
}

Copyimport { toast, haptic } from '@/lib/appmintNative';

export function SaveButton({ onSave }: { onSave: () => Promise<void> }) {
  return (
    <button
      onClick={async () => {
        await onSave();
        haptic('success');
        toast('Saved');                              // 'short' ≈ 2 s
      }}
    >
      Save
    </button>
  );
}

Copyimport { toast } from '@/lib/appmintNative';

toast('Your export will be ready in a minute', { duration: 'long' });

Copyimport { Toast } from '@/lib/appmintNative';

await Toast.show({ text: 'Added to list' });

Copyimport { Dialog } from '@/lib/appmintNative';

await Dialog.alert({ title: 'Payment failed', message: 'Your card was declined.' });

Copyimport { toast, haptic } from '@/lib/appmintNative';

export function SaveButton({ onSave }: { onSave: () => Promise<void> }) {
  return (
    <button
      onClick={async () => {
        await onSave();
        haptic('success');
        toast('Saved');                              // 'short' ≈ 2 s
      }}
    >
      Save
    </button>
  );
}

Copyimport { toast } from '@/lib/appmintNative';

toast('Your export will be ready in a minute', { duration: 'long' });

Copyimport { Toast } from '@/lib/appmintNative';

await Toast.show({ text: 'Added to list' });

Copyimport { Dialog } from '@/lib/appmintNative';

await Dialog.alert({ title: 'Payment failed', message: 'Your card was declined.' });

Copyimport { useEffect, useState } from 'react';
import { can, torch } from '@/lib/appmintNative';

export function LightButton() {
  const [on, setOn] = useState(false);
  const [ok, setOk] = useState(false);
  useEffect(() => { if (can('torch') !== 'none') torch.isAvailable().then(setOk); }, []);
  if (!ok) return null;
  return (
    <button aria-pressed={on} aria-label="Flashlight" onClick={async () => setOn(await torch.toggle())}>
      {on ? 'Light off' : 'Light on'}
    </button>
  );
}

Copyimport { useEffect, useState } from 'react';
import { torch } from '@/lib/appmintNative';

export function LightSwitch() {
  const [on, setOn] = useState(false);
  const [err, setErr] = useState('');
  useEffect(() => () => { void torch.off().catch(() => {}); }, []);
  const flip = async () => {
    try { setOn(await torch.toggle()); setErr(''); }
    catch (e) {
      const code = (e as { code?: string }).code;
      setErr(code === 'CAMERA_IN_USE' ? 'Close the camera first' : 'No flashlight on this device');
    }
  };
  return <div><button onClick={flip}>{on ? 'Off' : 'On'}</button>{err && <p role="alert">{err}</p>}</div>;
}

Copyimport { can, torch } from '@/lib/appmintNative';

export async function blink(times = 3) {
  if (can('torch') === 'none') return;
  for (let i = 0; i < times; i++) {
    await torch.on();
    await new Promise((r) => setTimeout(r, 200));
    await torch.off();
    await new Promise((r) => setTimeout(r, 200));
  }
}

Copyimport { trackEvent } from '@/lib/appmintNative';

export async function completeCheckout(cart: { total: number }) {
  await saveOrder(cart);
  trackEvent('checkout_done', { total: cart.total });   // props are optional and not stored
}

Copyimport { trackEvent } from '@/lib/appmintNative';

export function selectTab(tab: 'home' | 'cart' | 'profile') {
  setActiveTab(tab);
  trackEvent('appmint:route', { path: '/' + tab });
}

Copyimport { useEffect } from 'react';
import { can, trackEvent } from '@/lib/appmintNative';

export function useTrackOnce(name: string) {
  useEffect(() => {
    if (can('inAppMessages') === 'none') return;
    const key = 'tracked:' + name;
    if (localStorage.getItem(key)) return;
    if (trackEvent(name)) localStorage.setItem(key, '1');
  }, [name]);
}

Copyimport { useNavigate } from 'react-router-dom';
import { transition, haptic } from '@/lib/appmintNative';

export function NoteRow({ id, title }: { id: string; title: string }) {
  const navigate = useNavigate();
  return (
    <button
      onClick={() => { haptic('light'); void transition(() => navigate(`/note/${id}`)); }}   // push
    >
      {title}
    </button>
  );
}

export function BackButton() {
  const navigate = useNavigate();
  return <button onClick={() => void transition(() => navigate(-1), { type: 'pop' })}>Back</button>;
}

Copyimport { transition } from '@/lib/appmintNative';

declare function setTab(t: 'list' | 'map'): void;
await transition(() => setTab('map'), { type: 'fade' });

Copyimport { transition } from '@/lib/appmintNative';

export function Tabs({ tab, setTab }: { tab: 'home' | 'stats'; setTab: (t: 'home' | 'stats') => void }) {
  return (
    <nav>
      <button onClick={() => void transition(() => setTab('home'), { type: 'fade' })} aria-current={tab === 'home'}>Home</button>
      <button onClick={() => void transition(() => setTab('stats'), { type: 'fade' })} aria-current={tab === 'stats'}>Stats</button>
    </nav>
  );
}

Copyimport { unlock, can } from '@/lib/appmintNative';

export async function openPrivateNotes(show: () => void) {
  if (can('unlock') === 'none') {
    alert('This device has no fingerprint, face or PIN check.');
    return;
  }
  const ok = await unlock('Unlock notes', 'Use your fingerprint or PIN');
  if (ok) show();
}

Copyimport { can } from '@/lib/appmintNative';

const showLockButton = can('unlock') !== 'none';   // 'native' | 'web' | 'none'

Copyimport { unlock, haptic, toast } from '@/lib/appmintNative';

export async function deleteAccountData(wipe: () => Promise<void>) {
  const ok = await unlock('Confirm delete', 'This removes your saved data');
  if (!ok) { haptic('warning'); toast('Not unlocked, nothing was deleted'); return; }
  await wipe();
  haptic('success');
  toast('Data deleted');
}

Copyimport { updates } from '@/lib/appmintNative';

if (updates.supported()) {
  // Not reached today: the Android app's own updater owns the whole update lane.
  const staged = await updates.download(
    'https://example.com/bundle-1.2.0.zip',
    'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',  // sha256, required
    '1.2.0',
    '1',
  );
  console.log('update staged:', staged);
}

Copyimport { updates } from '@/lib/appmintNative';

const active = updates.current();          // null = no page-staged bundle (always, today)
const label = active ? `Content ${active.version}` : 'Built-in content';

Copyimport { useMemo } from 'react';
import { updates } from '@/lib/appmintNative';

export function AboutRow() {
  const label = useMemo(() => {
    const c = updates.current();
    return c ? `Content ${c.version} (app ${c.binaryVersion})` : 'Built-in content';
  }, []);
  return <p>{label}</p>;
}

Copyimport { useRef } from 'react';
import { can, watchIdle } from '@/lib/appmintNative';

export function AwayStatus({ setAway }: { setAway: (away: boolean) => void }) {
  const stop = useRef<(() => void) | null>(null);
  if (can('idle') === 'none') return null;
  return (
    <button onClick={async () => {
      stop.current?.();
      stop.current = await watchIdle((s) => setAway(s.user === 'idle' || s.screen === 'locked'), { thresholdMs: 5 * 60000 });
    }}>Show me as away when idle</button>
  );
}

Copyimport { useEffect, useRef, useState } from 'react';
import { can, watchIdle } from '@/lib/appmintNative';

export function useIdleWatch() {
  const stop = useRef<(() => void) | null>(null);
  const [state, setState] = useState<'off' | 'active' | 'idle' | 'denied'>('off');
  useEffect(() => () => stop.current?.(), []);
  // Call this from a tap: the first permission request needs a gesture.
  const start = async () => {
    if (can('idle') === 'none') return;
    try {
      stop.current = await watchIdle((s) => setState(s.user === 'idle' || s.screen === 'locked' ? 'idle' : 'active'));
    } catch (e) {
      if ((e as { code?: string }).code === 'permission-denied') setState('denied');
    }
  };
  return { state, start };
}

Copyimport { watchIdle } from '@/lib/appmintNative';

export async function pausePollingWhenIdle(refresh: () => void) {
  let timer: ReturnType<typeof setInterval> | undefined = setInterval(refresh, 30000);
  const stop = await watchIdle((s) => {
    const away = s.user === 'idle' || s.screen === 'locked';
    if (away && timer) { clearInterval(timer); timer = undefined; }
    if (!away && !timer) { refresh(); timer = setInterval(refresh, 30000); }
  });
  return () => { stop(); if (timer) clearInterval(timer); };
}

Copyimport { can, widget } from '@/lib/appmintNative';

export async function updateTodayWidget(tasks: { title: string; done: boolean }[]) {
  if (can('widget') === 'none') return;          // on the web
  const open = tasks.filter((t) => !t.done);
  await widget.set({
    title: 'Today',
    value: `${open.length} left`,
    lines: open.slice(0, 6).map((t) => '• ' + t.title),
    route: '/today',                              // a tap opens the app here
  });
}

Copyimport { can, widget, toast } from '@/lib/appmintNative';

export function AddWidgetButton() {
  if (can('widget') === 'none') return null;
  return (
    <button
      onClick={async () => {
        if (!(await widget.requestPin())) toast('Long-press your home screen, tap Widgets, and pick this app');
      }}
    >
      Add widget to home screen
    </button>
  );
}

Copyimport { useEffect, useState } from 'react';
import { can, widget } from '@/lib/appmintNative';

export function WidgetStatus({ signedIn }: { signedIn: boolean }) {
  const [placed, setPlaced] = useState(0);
  useEffect(() => {
    if (can('widget') === 'none') return;
    if (!signedIn) void widget.clear();
    widget.placedCount().then(setPlaced);
  }, [signedIn]);
  return <p>{placed === 0 ? 'Not on your home screen yet' : `On your home screen (${placed})`}</p>;
}