// Single source of truth for "this feature only exists on some platforms", so
// the UI, the stores and the native bridges all agree on what is reachable.

import { Platform } from 'react-native';

/**
 * In-app sideload updates: download the release APK from GitHub and hand it to
 * the system package installer (see `lib/install-update`).
 *
 * Android only. App Store Review guideline 2.5.2 forbids an iOS app from
 * downloading and installing executable code, and there is no iOS equivalent of
 * the installer intent anyway - iOS builds are updated through TestFlight or
 * the App Store. The whole updater surface (banner, settings pane, launch-time
 * check) is hidden when this is false.
 */
export const supportsSideloadUpdates = Platform.OS === 'android';

/**
 * Device sync: address books and calendars in Android's Contacts and Calendar
 * providers, under an account of the app's own type (#34,
 * docs/device-sync.md).
 *
 * Android only: iOS has no third-party sync-provider API for either. The UI
 * also needs the native module (`isDeviceSyncAvailable()` in
 * `device-sync/native`), so a build without it hides the feature instead of
 * failing.
 */
export const supportsDeviceSync = Platform.OS === 'android';