// Version: 1.0.0 | Created: 2026-04-05
// Parses a Jitsi meeting link into room name and optional JWT.

/// Parsed Jitsi meeting link.
class JitsiLink {
  const JitsiLink({required this.roomName, this.jwt});

  final String roomName;
  final String? jwt;

  /// Parses a Jitsi link in common formats:
  /// - `https://conf.m8chat.au/RoomName`
  /// - `https://conf.m8chat.au/RoomName?jwt=abc123`
  /// - `conf.m8chat.au/RoomName?jwt=abc123`
  /// - `RoomName` (bare room name)
  static JitsiLink? tryParse(String input) {
    final trimmed = input.trim();
    if (trimmed.isEmpty) return null;

    // Try as a URL first.
    var uriString = trimmed;
    if (!uriString.contains('://') && uriString.contains('/')) {
      uriString = 'https://$uriString';
    }

    final uri = Uri.tryParse(uriString);
    if (uri != null && uri.pathSegments.isNotEmpty && uri.host.isNotEmpty) {
      final roomName = uri.pathSegments
          .where((s) => s.isNotEmpty)
          .join('/');
      if (roomName.isEmpty) return null;
      final jwt = uri.queryParameters['jwt'];
      return JitsiLink(roomName: roomName, jwt: jwt);
    }

    // Bare room name — no slashes, no protocol.
    if (!trimmed.contains('/') && !trimmed.contains(' ')) {
      return JitsiLink(roomName: trimmed);
    }

    return null;
  }
}