Improve notifications, tilawah flow, and dzikir structure

lib/data/services/remote_push_service.dart

@@ -1,5 +1,14 @@
+import 'dart:async';
+
+import 'package:flutter/widgets.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+
 import '../local/models/app_settings.dart';
+import '../local/hive_boxes.dart';
 import 'notification_inbox_service.dart';
+import 'notification_service.dart';
+import 'package:hive_flutter/hive_flutter.dart';
 
 /// Phase-4 bridge for future FCM/APNs wiring.
 ///
@@ -10,9 +19,30 @@ class RemotePushService {
   static final RemotePushService instance = RemotePushService._();
 
   final NotificationInboxService _inbox = NotificationInboxService.instance;
+  bool _initialized = false;
 
   Future<void> init() async {
-    // Reserved for SDK wiring (FCM/APNs token registration, topic subscription).
+    if (_initialized) return;
+    try {
+      await Firebase.initializeApp();
+      final messaging = FirebaseMessaging.instance;
+      await messaging.requestPermission(
+        alert: true,
+        badge: true,
+        sound: true,
+      );
+
+      FirebaseMessaging.onBackgroundMessage(firebaseMessagingBackgroundHandler);
+      FirebaseMessaging.onMessage.listen((message) {
+        unawaited(_handleMessage(message, isForeground: true));
+      });
+      FirebaseMessaging.onMessageOpenedApp.listen((message) {
+        unawaited(_handleMessage(message, isForeground: false));
+      });
+      _initialized = true;
+    } catch (_) {
+      // Firebase may not be configured in all build variants yet.
+    }
   }
 
   Future<void> ingestPayload(
@@ -44,4 +74,60 @@ class RemotePushService {
       meta: <String, dynamic>{'remoteId': id},
     );
   }
+
+  Future<void> _handleMessage(
+    RemoteMessage message, {
+    required bool isForeground,
+  }) async {
+    final payload = <String, dynamic>{
+      'id': message.messageId ?? message.data['id'] ?? '',
+      'title': message.notification?.title ?? message.data['title'] ?? '',
+      'body': message.notification?.body ?? message.data['body'] ?? '',
+      'type': message.data['type'] ?? 'content',
+      'deeplink': message.data['deeplink'] ?? '',
+      'expiresAt': message.data['expiresAt'] ?? '',
+      'isPinned': message.data['isPinned'] == 'true',
+    };
+
+    final settings = Hive.box<AppSettings>(HiveBoxes.settings).get('default') ??
+        AppSettings();
+    await ingestPayload(payload, settings: settings);
+
+    if (isForeground &&
+        settings.alertsEnabled &&
+        (payload['title'] as String).trim().isNotEmpty &&
+        (payload['body'] as String).trim().isNotEmpty) {
+      await NotificationService.instance.showNonPrayerAlert(
+        settings: settings,
+        id: NotificationService.instance
+            .nonPrayerNotificationId('remote.${payload['id']}'),
+        title: (payload['title'] as String).trim(),
+        body: (payload['body'] as String).trim(),
+        payloadType: 'remote',
+        bypassDailyCap: true,
+      );
+    }
+  }
+}
+
+@pragma('vm:entry-point')
+Future<void> firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await initHive();
+  try {
+    await Firebase.initializeApp();
+  } catch (_) {}
+
+  final payload = <String, dynamic>{
+    'id': message.messageId ?? message.data['id'] ?? '',
+    'title': message.notification?.title ?? message.data['title'] ?? '',
+    'body': message.notification?.body ?? message.data['body'] ?? '',
+    'type': message.data['type'] ?? 'content',
+    'deeplink': message.data['deeplink'] ?? '',
+    'expiresAt': message.data['expiresAt'] ?? '',
+    'isPinned': message.data['isPinned'] == 'true',
+  };
+  final settings =
+      Hive.box<AppSettings>(HiveBoxes.settings).get('default') ?? AppSettings();
+  await RemotePushService.instance.ingestPayload(payload, settings: settings);
 }