myhomie_app/lib/Helpers/PushNotificationService.dart

import 'dart:io';

import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:myhomie_app/Helpers/NotificationManager.dart';
import 'package:myhomie_app/Models/homieContext.dart';

import '../constants.dart';

class PushNotificationService {
  //final FirebaseMessaging _fcm;

  PushNotificationService(); //this._fcm

  goToPage(Map<String, dynamic> message) {
    var notification = PushNotificationMessage(
        title: message['notification']['title'],
        body: message['notification']['body'],
        data: DataNotification(
            collapseKey: message['data']['title'],
            type: message['data']['type'])
    );

    //PageSwitcher(notification.data.type);

    Fluttertoast.showToast(
        msg: 'onResume or onLaunch '+ notification.title + ' : ' + notification.body,
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
        timeInSecForIosWeb: 1,
        backgroundColor: kMainColor,
        textColor: Colors.white,
        fontSize: 16.0
    );
  }

  Future initialise(HomieAppContext? homieAppContext, {required BuildContext context}) async {
    if (Platform.isIOS) {
      //_fcm.requestPermission(); // IosNotificationSettings
      FirebaseMessaging.instance.requestPermission();
    }

    //_fcm.subscribeToTopic("main");

    FirebaseMessaging.instance.subscribeToTopic("main");

    if(homieAppContext != null) {
      if (homieAppContext.userId != null) {
        print('MyHomie USER ID for fcm notification = ' + homieAppContext.userId.toString());
        FirebaseMessaging.instance.subscribeToTopic(homieAppContext.userId!);
      }
    }

    // If you want to test the push notification locally,
    // you need to get the token and input to the Firebase console
    // https://console.firebase.google.com/project/YOUR_PROJECT_ID/notification/compose
    String? token = await FirebaseMessaging.instance.getToken();
    print("FirebaseMessaging token: $token");

    FirebaseMessaging.instance.getInitialMessage().then(
          (value) {
            debugPrint("COUCOUCOUC $value");
          },
    );

    FirebaseMessaging.onMessage.listen((data) {
      var notification;
      print("onMessage: $data");
      print(data);

      if (Platform.isAndroid) {
        notification = PushNotificationMessage(
            title: data.notification!.title!,
            body: data.notification!.body!,
            data: DataNotification(
                //labelButton: message['data']['labelButton'],
                type: data.messageType!)
        );
      }
      /*if (Platform.isIOS) {
        notification = PushNotificationMessage(
            title: message['aps']['alert']['title'],
            body: message['aps']['alert']['body'],
            data: DataNotification(
                labelButton: message['labelButton'],
                type: message['type'])
        );
      }*/

      NotificationManager.handleNotificationMsg(notification);
      // show notification UI here
    });

    FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
      print('A new onMessageOpenedApp event was published!');

      /*Navigator.pushNamed(
        context,
        '/message',
        arguments: MessageArguments(message, true),
      );*/
    });

    /*_fcm.configure(
      onMessage: (Map<String, dynamic> message) async {


      },
      onLaunch: (Map<String, dynamic> message) async {
        print("onLaunch: $message");
        this.goToPage(message);

      },
      onResume: (Map<String, dynamic> message) async {
        print("onResume: $message");
        this.goToPage(message);
      },
    );*/
  }
}

class PushNotificationMessage {
  final String title;
  final String body;
  final DataNotification data;
  PushNotificationMessage({
    required this.title,
    required this.body,
    required this.data
  });
}

class DataNotification {
  final String? collapseKey;
  final String type;
  final String? labelButton;
  DataNotification({
    this.collapseKey,
    required this.type,
    this.labelButton
  });
}

/*PageSwitcher(String type) {
  switch(type) {
    case "home":
      pageController.jumpToPage(NavItemIcon.home.index);
      break;
    case "advices":
      // In case of new advice, need to reload advices list automatically
      pageController.jumpToPage(NavItemIcon.advices.index);
      break;
    case "scan":
      pageController.jumpToPage(NavItemIcon.scan.index);
      break;
    case "shop":
      pageController.jumpToPage(NavItemIcon.wallet.index);
      break;
    case "profile":
      pageController.jumpToPage(NavItemIcon.profile.index);
      break;
    default:
      pageController.jumpToPage(NavItemIcon.home.index);
      break;
  }
}*/