import type { ConfigContext, ExpoConfig } from 'expo/config';

/**
 * app.json holds the real config; this only adds build-time switches.
 *
 * Local test builds point at a dev server over plain http://, which Android
 * blocks by default in release builds. Allow cleartext only when the API URL
 * itself is http://, so store builds (https) stay locked down.
 */
export default ({ config }: ConfigContext): ExpoConfig => {
  const apiUrl = process.env.EXPO_PUBLIC_API_URL ?? '';
  const localHttp = apiUrl.startsWith('http://');
  // F-Droid (MUSICSHARE_FOSS=1): no closed-source libraries. The only one is the Google ML Kit /
  // Play Services barcode scanner expo-camera bundles; the scan screen decodes QR codes in JS instead.
  const foss = process.env.MUSICSHARE_FOSS === '1';
  type Plugin = NonNullable<ExpoConfig['plugins']>[number];
  const plugins = (config.plugins ?? []).map(
    (plugin): Plugin =>
      foss && Array.isArray(plugin) && plugin[0] === 'expo-camera' ? ['expo-camera', { ...plugin[1], barcodeScannerEnabled: false }] : plugin,
  );
  return {
    ...(config as ExpoConfig),
    extra: { ...config.extra, foss },
    plugins: [
      ...plugins,
      ['expo-build-properties', { android: { usesCleartextTraffic: localHttp } }] satisfies Plugin,
      // F-Droid delivers updates itself; only our own builds install them (modules/updater).
      ...(foss ? ['./plugins/withoutSelfUpdate'] : []),
    ],
  };
};