/// Configuration for Firebase services.
/// 
/// This model holds Firebase configuration options and feature flags
/// to enable/disable specific Firebase services.
class FirebaseConfig {
  /// Whether Firebase is enabled (all services disabled if false).
  final bool enabled;

  /// Whether Firestore cloud sync is enabled.
  final bool firestoreEnabled;

  /// Whether Firebase Storage is enabled.
  final bool storageEnabled;

  /// Whether Firebase Authentication is enabled.
  final bool authEnabled;

  /// Whether Firebase Cloud Messaging (push notifications) is enabled.
  final bool messagingEnabled;

  /// Whether Firebase Analytics is enabled.
  final bool analyticsEnabled;

  /// Creates a [FirebaseConfig] instance.
  /// 
  /// [enabled] - Whether Firebase is enabled (default: false).
  /// [firestoreEnabled] - Whether Firestore is enabled (default: true if enabled).
  /// [storageEnabled] - Whether Storage is enabled (default: true if enabled).
  /// [authEnabled] - Whether Auth is enabled (default: true if enabled).
  /// [messagingEnabled] - Whether Messaging is enabled (default: true if enabled).
  /// [analyticsEnabled] - Whether Analytics is enabled (default: true if enabled).
  const FirebaseConfig({
    this.enabled = false,
    this.firestoreEnabled = true,
    this.storageEnabled = true,
    this.authEnabled = true,
    this.messagingEnabled = true,
    this.analyticsEnabled = true,
  });

  /// Creates a [FirebaseConfig] with all services disabled.
  const FirebaseConfig.disabled()
      : enabled = false,
        firestoreEnabled = false,
        storageEnabled = false,
        authEnabled = false,
        messagingEnabled = false,
        analyticsEnabled = false;

  /// Creates a [FirebaseConfig] with all services enabled.
  const FirebaseConfig.enabled()
      : enabled = true,
        firestoreEnabled = true,
        storageEnabled = true,
        authEnabled = true,
        messagingEnabled = true,
        analyticsEnabled = true;

  @override
  String toString() {
    return 'FirebaseConfig(enabled: $enabled, firestore: $firestoreEnabled, '
        'storage: $storageEnabled, auth: $authEnabled, messaging: $messagingEnabled, '
        'analytics: $analyticsEnabled)';
  }
}