const fs = require('node:fs');
const path = require('node:path');
const { execSync } = require('node:child_process');

const VERSION = fs.readFileSync(path.join(__dirname, 'VERSION'), 'utf8').trim();

let COMMIT = process.env.GITHUB_SHA || '';
if (!COMMIT) {
  try {
    COMMIT = execSync('git rev-parse --short HEAD', { cwd: __dirname, stdio: ['ignore', 'pipe', 'ignore'] })
      .toString()
      .trim();
  } catch {
    COMMIT = 'dev';
  }
}
COMMIT = COMMIT.slice(0, 7);

// App Store Connect rejects a build whose CFBundleVersion it has already seen
// for this CFBundleShortVersionString, so this has to advance on every upload
// even when VERSION does not. CI passes the workflow run number; local builds
// fall back to 1 (never uploaded).
const IOS_BUILD_NUMBER = process.env.IOS_BUILD_NUMBER || '1';

// Apple team: prefixes the keychain groups the app shares with its
// notification service extension (plugins/ios-push). Not a secret.
const APPLE_TEAM_ID = process.env.APPLE_TEAM_ID || '8ZANF9LQ39';
// Which APNs host the device tokens belong to: TestFlight and App Store builds
// use production, simulators and development builds the sandbox.
const APS_ENVIRONMENT = process.env.APS_ENVIRONMENT === 'development' ? 'development' : 'production';

module.exports = {
  expo: {
    name: 'Bulwark Mobile',
    slug: 'bulwark-mobile',
    // mailto: lets Android/iOS offer the app for mail links in other apps;
    // bulwarkmail: is the webmail's sign-in link (bulwarkmail://pair?...).
    // Android's manifest is maintained by hand and lists the same schemes.
    scheme: ['bulwarkmobile', 'bulwarkmail', 'mailto'],
    version: VERSION,
    orientation: 'default',
    icon: './assets/icon.png',
    userInterfaceStyle: 'automatic',
    newArchEnabled: true,
    splash: {
      image: './assets/splash-icon.png',
      resizeMode: 'contain',
      backgroundColor: '#ffffff',
      dark: {
        image: './assets/splash-icon.png',
        backgroundColor: '#09090b',
      },
    },
    ios: {
      supportsTablet: true,
      bundleIdentifier: 'org.bulwarkmail.mobile',
      buildNumber: IOS_BUILD_NUMBER,
      config: {
        // The app only speaks HTTPS/TLS and uses platform crypto, which is
        // exempt. Declaring it here skips the manual export-compliance
        // questionnaire that otherwise blocks every TestFlight build.
        usesNonExemptEncryption: false,
      },
    },
    android: {
      adaptiveIcon: {
        foregroundImage: './assets/adaptive-icon.png',
        backgroundColor: '#db2d54',
      },
      edgeToEdgeEnabled: true,
      predictiveBackGestureEnabled: false,
      package: 'com.anonymous.bulwarkmobile',
      // The AsyncStorage database holds cached message bodies, the outbox and
      // the account registry; the platform backup would ship all of it to the
      // user's Google account. Credentials live in SecureStore (excluded by
      // its own rules) but the mail cache must not leave the device either.
      allowBackup: false,
    },
    web: {
      favicon: './assets/favicon.png',
    },
    plugins: [
      'expo-secure-store',
      '@react-native-community/datetimepicker',
      'expo-localization',
      [
        'expo-camera',
        {
          cameraPermission:
            'Bulwark Mail uses the camera to scan sign-in QR codes shown in webmail.',
          // QR scanning never records audio; leaving the mic entry in would be
          // an unexplained permission in App Review.
          microphonePermission: false,
        },
      ],
      [
        'expo-image-picker',
        {
          photosPermission:
            'Bulwark Mail needs access to your photos so you can attach them to emails and set contact photos.',
          // Only launchImageLibraryAsync is used - no in-app capture.
          cameraPermission: false,
          microphonePermission: false,
        },
      ],
      ['./plugins/ios-push', { apsEnvironment: APS_ENVIRONMENT, teamId: APPLE_TEAM_ID }],
    ],
    extra: {
      commit: COMMIT,
      // Settings → About → Source code. A modified build sets SOURCE_CODE_URL
      // to where its own source is (AGPL §13); the default is upstream.
      sourceCodeUrl: process.env.SOURCE_CODE_URL || 'https://github.com/bulwarkmail/native',
      // src/lib/ios-push-shared.ts
      iosSharedKeychainGroup: `${APPLE_TEAM_ID}.org.bulwarkmail.shared`,
      iosAppKeychainGroup: `${APPLE_TEAM_ID}.org.bulwarkmail.mobile`,
      apnsEnvironment: APS_ENVIRONMENT === 'development' ? 'sandbox' : 'production',
    },
  },
};