2026-04-11

lib/services/notification_service.dart

@@ -0,0 +1,254 @@
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:get/get.dart';
+import 'package:taxglide/consts/local_store.dart';
+import 'package:taxglide/view/Mahi_chat/live_chat_screen.dart';
+import 'package:taxglide/view/Main_controller/main_controller.dart';
+import 'package:taxglide/view/screens/history/detail_screen.dart';
+import 'package:taxglide/view/screens/notification_screen.dart';
+import 'package:taxglide/router/consts_routers.dart';
+
+// ─────────────────────────────────────────────────────────────────────────────
+// Local Notifications setup (singleton plugin instance)
+// ─────────────────────────────────────────────────────────────────────────────
+
+final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+    FlutterLocalNotificationsPlugin();
+
+/// Android notification channel used for all foreground chat/app notifications.
+const AndroidNotificationChannel _channel = AndroidNotificationChannel(
+  'taxglide_foreground', // id
+  'TaxGlide Notifications', // name shown in system settings
+  description: 'Foreground notifications for TaxGlide',
+  importance: Importance.high,
+  playSound: true,
+  enableVibration: true,
+);
+
+/// Call once in main() after Firebase.initializeApp().
+Future<void> initLocalNotifications() async {
+  const initSettings = InitializationSettings(
+    android: AndroidInitializationSettings('@mipmap/launcher_icon'),
+    iOS: DarwinInitializationSettings(),
+  );
+
+  await flutterLocalNotificationsPlugin.initialize(
+    initSettings,
+    onDidReceiveNotificationResponse: (NotificationResponse response) {
+      // Notification tapped while app is open – handled inside NotificationService.
+      debugPrint('🔔 Local notification tapped: payload=${response.payload}');
+      Get.find<NotificationService>().handleNavigationFromPayload(
+        response.payload,
+      );
+    },
+  );
+
+  // Create the Android channel (no-op on iOS).
+  await flutterLocalNotificationsPlugin
+      .resolvePlatformSpecificImplementation<
+        AndroidFlutterLocalNotificationsPlugin
+      >()
+      ?.createNotificationChannel(_channel);
+
+  debugPrint('✅ LocalNotifications initialized');
+}
+
+// ─────────────────────────────────────────────────────────────────────────────
+// NotificationService
+// ─────────────────────────────────────────────────────────────────────────────
+
+class NotificationService extends GetxController {
+  final RemoteMessage? initialMessage;
+  NotificationService(this.initialMessage);
+
+  /// Running notification ID counter so multiple notifications can stack.
+  int _notifId = 0;
+
+  /// Shows a native Android system notification for a foreground message.
+  /// Works from any context – WebSocket callbacks, FCM listeners, etc.
+  ///
+  /// [tag] is used as a deduplication key: if two sources (FCM + WebSocket)
+  /// fire for the same chat/event, passing the same tag means Android will
+  /// *replace* the first notification instead of showing a second one.
+  void showForegroundNotification(RemoteMessage message, {String? tag}) {
+    final String title =
+        message.notification?.title ??
+        message.data['title']?.toString() ??
+        'New Notification';
+    final String body =
+        message.notification?.body ??
+        message.data['body']?.toString() ??
+        'You have a new update';
+
+    // Build a simple payload string so tapping routes correctly.
+    final String? type = message.data['type']?.toString();
+    final String? id =
+        message.data['page_id']?.toString() ?? message.data['id']?.toString();
+    final String payload = (type != null && id != null) ? '$type:$id' : '';
+
+    // Use the tag as dedup key; fall back to an incrementing ID so unrelated
+    // notifications still stack correctly.
+    final int notifId = tag != null ? tag.hashCode.abs() % 100000 : _notifId++;
+
+    debugPrint(
+      '🔔 NotificationService: showing local notification '
+      '[id=$notifId tag=$tag title=$title]',
+    );
+
+    flutterLocalNotificationsPlugin.show(
+      notifId,
+      title,
+      body,
+      NotificationDetails(
+        android: AndroidNotificationDetails(
+          _channel.id,
+          _channel.name,
+          channelDescription: _channel.description,
+          importance: Importance.high,
+          priority: Priority.high,
+          icon: '@mipmap/launcher_icon',
+          playSound: true,
+          enableVibration: true,
+          styleInformation: BigTextStyleInformation(body),
+          tag: tag, // same tag → replaces instead of duplicating
+        ),
+        iOS: const DarwinNotificationDetails(
+          presentAlert: true,
+          presentBadge: true,
+          presentSound: true,
+        ),
+      ),
+      payload: payload,
+    );
+  }
+
+  // ── Navigation helpers ──────────────────────────────────────────────────────
+
+  /// Called when a local notification is tapped (payload = "type:id").
+  void handleNavigationFromPayload(String? payload) {
+    if (payload == null || payload.isEmpty) {
+      _safeNavigate(() => Get.offAll(() => MainController()));
+      return;
+    }
+    final parts = payload.split(':');
+    final type = parts.isNotEmpty ? parts[0] : null;
+    final idStr = parts.length > 1 ? parts[1] : null;
+    handleNavigation({'type': type, 'id': idStr});
+  }
+
+  Future<void> handleNavigation(Map<String, dynamic> data) async {
+    final LocalStore localStore = LocalStore();
+
+    try {
+      // ── Auth check ──────────────────────────────────────────────────────────
+      final String? token = await localStore.getToken();
+      if (token == null || token.isEmpty || token == 'null') {
+        debugPrint('🔒 No valid token → Login');
+        _safeNavigate(() => Get.offAllNamed(ConstRouters.login));
+        return;
+      }
+
+      // Support both 'page'+'page_id' and 'type'+'id' payload formats.
+      final String? type = data['page']?.toString() ?? data['type']?.toString();
+      final String? idStr =
+          data['page_id']?.toString() ??
+          data['pageId']?.toString() ??
+          data['id']?.toString();
+
+      if (type == null || type.isEmpty) {
+        debugPrint('⚠️ Invalid notification data: type is empty');
+        _safeNavigate(() => Get.offAll(() => MainController()));
+        return;
+      }
+
+      debugPrint('📍 Notification nav → type=$type  id=$idStr');
+
+      if (type == 'chat') {
+        final int chatId = int.tryParse(idStr ?? '') ?? 0;
+        if (chatId == 0) {
+          _safeNavigate(() => Get.offAll(() => MainController()));
+          return;
+        }
+        debugPrint('💬 Navigating to Chat $chatId');
+        _safeNavigate(() {
+          try {
+            if (Get.isDialogOpen ?? false) Get.back();
+            if (Get.isBottomSheetOpen ?? false) Get.back();
+            Navigator.of(Get.context!).popUntil((route) {
+              return route.isFirst ||
+                  route.settings.name == '/splash' ||
+                  route.settings.name == '/MainController';
+            });
+          } catch (_) {}
+          Future.delayed(const Duration(milliseconds: 200), () {
+            if (Get.currentRoute == '/LiveChatScreen') {
+              Get.off(
+                () => LiveChatScreen(chatid: chatId, fileid: '0'),
+                preventDuplicates: false,
+              );
+            } else {
+              Get.to(
+                () => LiveChatScreen(chatid: chatId, fileid: '0'),
+                preventDuplicates: false,
+              );
+            }
+          });
+        });
+      } else if (type == 'service') {
+        final int serviceId = int.tryParse(idStr ?? '') ?? 0;
+        if (serviceId == 0) {
+          _safeNavigate(() => Get.offAll(() => MainController()));
+          return;
+        }
+        debugPrint('📋 Navigating to Service $serviceId');
+        _safeNavigate(
+          () => Get.offAll(
+            () => MainController(
+              initialIndex: 2,
+              child: DetailScreen(id: serviceId, sourceTabIndex: 2),
+            ),
+          ),
+        );
+      } else {
+        debugPrint("❓ Unknown type '$type' → NotificationScreen");
+        _safeNavigate(() {
+          Get.offAll(() => const MainController());
+          Future.delayed(
+            const Duration(milliseconds: 300),
+            () => Get.to(() => const NotificationScreen()),
+          );
+        });
+      }
+    } catch (e) {
+      debugPrint('❌ Error handling notification nav: $e');
+      try {
+        final String? token = await localStore.getToken();
+        if (token != null && token.isNotEmpty && token != 'null') {
+          _safeNavigate(() => Get.offAll(() => MainController()));
+        } else {
+          _safeNavigate(() => Get.offAllNamed(ConstRouters.login));
+        }
+      } catch (_) {
+        _safeNavigate(() => Get.offAllNamed(ConstRouters.login));
+      }
+    }
+  }
+
+  void _safeNavigate(Function action) {
+    if (Get.key.currentState != null) {
+      action();
+      return;
+    }
+    int attempts = 0;
+    Future.doWhile(() async {
+      await Future.delayed(const Duration(milliseconds: 100));
+      attempts++;
+      if (Get.key.currentState != null) {
+        action();
+        return false;
+      }
+      return attempts < 20;
+    });
+  }
+}