PushNotificationService

class FirebaseMessagingService {
  static FirebaseMessaging? _firebaseMessaging;

  static FirebaseMessaging get firebaseMessaging => FirebaseMessagingService._firebaseMessaging ?? FirebaseMessaging.instance;

  final NotificationService notification = di.locator<NotificationService>();

  Future<void> initialize() async {
    if (Platform.isIOS) {
      NotificationSettings settings = await firebaseMessaging.requestPermission(
        alert: true,
        announcement: false,
        badge: true,
        carPlay: false,
        criticalAlert: false,
        provisional: false,
        sound: true,
      );

      if (settings.authorizationStatus == AuthorizationStatus.authorized) {
        log('User granted permission');
      } else if (settings.authorizationStatus == AuthorizationStatus.provisional) {
        log('User granted provisional permission');
      } else {
        log('User declined or has not accepted permission');
      }
    }

    FirebaseMessaging.onMessage.listen((RemoteMessage message) {
      if (message.data['source'] == 'Insider') {
        FlutterInsider.Instance.handleNotification(<String, dynamic>{"data": message.data});
      } else {
        notification.showNotificationFirebase(message);
      }
      log("onMessages: ${message.data.toString()}");
    });

    FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
      if (message.data['source'] == 'Insider') {
        FlutterInsider.Instance.handleNotification(<String, dynamic>{"data": message.data});
      } else {
        notification.showNotificationFirebase(message);
      }
      log("onLaunch: ${message.data}");
    });

    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
  }

  Future<void> onRefreshFcmToken(BuildContext context) async {
    FirebaseMessaging.instance.onTokenRefresh.listen((fcmToken) async {
      Provider.of<MemberProvider>(context, listen: false).updateFcmToken(token: fcmToken);
      await Storage.save(deviceTokenStorageKey, fcmToken);
    });
  }
}