From 0f67f4df74e1ae6f3c0cce2903040f992eb65ade Mon Sep 17 00:00:00 2001
From: Vaibhav Surve <vaibhavsurvemarcoaiot@gmail.com>
Date: Thu, 17 Jul 2025 10:09:20 +0530
Subject: [PATCH] added firebase service

---
 lib/helpers/services/app_initializer.dart     | 22 ++++++--
 .../services/firebase_messaging_services.dart | 53 +++++++++++++++++++
 2 files changed, 72 insertions(+), 3 deletions(-)
 create mode 100644 lib/helpers/services/firebase_messaging_services.dart

diff --git a/lib/helpers/services/app_initializer.dart b/lib/helpers/services/app_initializer.dart
index 5d55b0c..614d391 100644
--- a/lib/helpers/services/app_initializer.dart
+++ b/lib/helpers/services/app_initializer.dart
@@ -8,23 +8,33 @@ import 'package:marco/helpers/theme/app_theme.dart';
 import 'package:url_strategy/url_strategy.dart';
 import 'package:marco/helpers/services/app_logger.dart';
 import 'package:marco/helpers/services/auth_service.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'package:marco/helpers/services/firebase_messaging_services.dart';
+
 Future<void> initializeApp() async {
   try {
     logSafe("💡 Starting app initialization...");
 
+    // 1. Set Flutter web path URL strategy (optional but early)
     setPathUrlStrategy();
     logSafe("💡 URL strategy set.");
 
+    // 2. Set system UI overlays
     SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
       statusBarColor: Color.fromARGB(255, 255, 0, 0),
       statusBarIconBrightness: Brightness.light,
     ));
     logSafe("💡 System UI overlay style set.");
 
+    // 3. Initialize Firebase (should be before any Firebase service usage)
+    await Firebase.initializeApp();
+    logSafe("💡 Firebase initialized.");
+
+    // 4. Local storage
     await LocalStorage.init();
     logSafe("💡 Local storage initialized.");
 
-    // If a refresh token is found, try to refresh the JWT token
+    // 5. Try to refresh JWT token if available
     final refreshToken = await LocalStorage.getRefreshToken();
     if (refreshToken != null && refreshToken.isNotEmpty) {
       logSafe("🔁 Refresh token found. Attempting to refresh JWT...");
@@ -32,15 +42,16 @@ Future<void> initializeApp() async {
 
       if (!success) {
         logSafe("⚠️ Refresh token invalid or expired. Skipping controller injection.");
-        // Optionally, clear tokens and force logout here if needed
       }
     } else {
       logSafe("❌ No refresh token found. Skipping refresh.");
     }
 
+    // 6. Initialize theme customization
     await ThemeCustomizer.init();
     logSafe("💡 Theme customizer initialized.");
 
+    // 7. Inject controllers if token is valid
     final token = LocalStorage.getString('jwt_token');
     if (token != null && token.isNotEmpty) {
       if (!Get.isRegistered<PermissionController>()) {
@@ -53,13 +64,18 @@ Future<void> initializeApp() async {
         logSafe("💡 ProjectController injected as permanent.");
       }
 
-      // Load data into controllers if required
       await Get.find<PermissionController>().loadData(token);
       await Get.find<ProjectController>().fetchProjects();
     } else {
       logSafe("⚠️ No valid JWT token found. Skipping controller initialization.");
     }
 
+    // 8. Firebase Messaging setup
+    final notificationService = FirebaseNotificationService();
+    await notificationService.initialize();
+    logSafe("💡 Firebase Messaging initialized.");
+
+    // 9. App style setup
     AppStyle.init();
     logSafe("💡 AppStyle initialized.");
 
diff --git a/lib/helpers/services/firebase_messaging_services.dart b/lib/helpers/services/firebase_messaging_services.dart
new file mode 100644
index 0000000..ee3979c
--- /dev/null
+++ b/lib/helpers/services/firebase_messaging_services.dart
@@ -0,0 +1,53 @@
+import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:logger/logger.dart';
+
+class FirebaseNotificationService {
+  final FirebaseMessaging _firebaseMessaging = FirebaseMessaging.instance;
+  final Logger _logger = Logger();
+
+  Future<void> initialize() async {
+    await Firebase.initializeApp();
+    _logger.i('Firebase initialized.');
+
+    NotificationSettings settings = await _firebaseMessaging.requestPermission();
+    _logger.i('FCM permission status: ${settings.authorizationStatus}');
+
+    // Foreground messages
+    FirebaseMessaging.onMessage.listen((RemoteMessage message) {
+      _logger.i('🔔 Foreground Notification Received');
+      _logNotificationDetails(message);
+    });
+
+    // When app is opened from background via notification
+    FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
+      _logger.i('📲 App opened via notification');
+      _handleNotificationTap(message);
+    });
+
+    // Background handler registration
+    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
+  }
+
+  void _handleNotificationTap(RemoteMessage message) {
+    _logger.i('Notification tapped with data: ${message.data}');
+  }
+
+  void _logNotificationDetails(RemoteMessage message) {
+    _logger.i('Notification ID: ${message.messageId}');
+    _logger.i('Title: ${message.notification?.title}');
+    _logger.i('Body: ${message.notification?.body}');
+    _logger.i('Data: ${message.data}');
+  }
+}
+
+// Background handler
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  await Firebase.initializeApp();
+  final Logger _logger = Logger();
+  _logger.i('🕓 Handling background notification...');
+  _logger.i('Notification ID: ${message.messageId}');
+  _logger.i('Title: ${message.notification?.title}');
+  _logger.i('Body: ${message.notification?.body}');
+  _logger.i('Data: ${message.data}');
+}
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