connectReddit method

Implementation

Future<bool> connectReddit(BuildContext context) async {
  try {
    // Mirror the NPM modal flow:
    // - POST /reddit/authorize with session { username, sdkType, returnUrl }
    // - Open OAuthWebViewScreen (has Reddit-specific popup handling on iOS)
    final storedUsername = (await getFromSecure('onairos_username'))?.trim();
    final fallbackUsername = (await getFromSecure('username'))?.trim();
    final username = (storedUsername != null && storedUsername.isNotEmpty)
        ? storedUsername
        : (fallbackUsername ?? '');

    debugPrint('🟠 Connecting to Reddit for user: $username');

    const returnUrl = 'https://onairos.uk/home';
    final apiKeyService = ApiKeyService();

    final resp = await apiKeyService.authenticatedPost(
      'reddit/authorize',
      body: {
        'session': {
          'username': username,
          'platform': 'reddit',
          'timestamp': DateTime.now().toIso8601String(),
          'sdkType': 'web',
          'returnUrl': returnUrl,
        },
        // Backward compatibility: some routes read `returnUrl` at top-level
        'returnUrl': returnUrl,
      },
    );

    final authUrl = (resp['redditURL'] ??
            resp['redditUrl'] ??
            resp['reddit_url'] ??
            resp['url'] ??
            resp['authUrl'])
        ?.toString();

    if (authUrl == null || !authUrl.startsWith('http')) {
      debugPrint('❌ Reddit authorize did not return a valid URL: $resp');
      return false;
    }

    final completer = Completer<bool>();

    await showModalBottomSheet<void>(
      context: context,
      isScrollControlled: true,
      backgroundColor: Colors.transparent,
      builder: (context) => FractionallySizedBox(
        heightFactor: 0.9,
        child: OAuthWebViewScreen(
          platform: 'reddit',
          authUrl: authUrl,
          callbackUrlPattern: 'onairos.uk',
          onComplete: (success) {
            if (!completer.isCompleted) completer.complete(success);
          },
        ),
      ),
    );

    // If user dismisses manually, treat as failure.
    return completer.isCompleted ? await completer.future : false;
  } catch (e) {
    debugPrint('❌ Error connecting to Reddit: $e');
    return false;
  }
}