first commit

lib/controllers/notifi/schedule_notifi.dart

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+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:timezone/data/latest_all.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
+
+class NotificationService {
+  static final NotificationService _instance = NotificationService._internal();
+  factory NotificationService() => _instance;
+  NotificationService._internal();
+
+  final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+  FlutterLocalNotificationsPlugin();
+
+  Future<void> init() async {
+    tz.initializeTimeZones(); // MUST do this
+    final String timeZoneName = await tz.local.name;
+    print("Device Timezone: $timeZoneName");
+
+    const AndroidInitializationSettings androidInit =
+    AndroidInitializationSettings('@mipmap/ic_launcher');
+
+    const InitializationSettings initSettings =
+    InitializationSettings(android: androidInit);
+
+    await flutterLocalNotificationsPlugin.initialize(
+      initSettings,
+      onDidReceiveNotificationResponse: (details) {
+        print("Notification clicked!");
+      },
+    );
+  }
+
+  Future<void> scheduleDailyNotification({
+    required int id,
+    required int hour,
+    required int minute,
+    String title = 'Check what’s new 👀',
+    String body = 'Open the app to explore exciting updates!',
+  }) async {
+    final now = tz.TZDateTime.now(tz.local);
+
+    // Correctly calculate the next scheduled time
+    tz.TZDateTime scheduledDate =
+    tz.TZDateTime(tz.local, now.year, now.month, now.day, hour, minute);
+
+    if (scheduledDate.isBefore(now)) {
+      // If time has already passed, schedule for tomorrow
+      scheduledDate = scheduledDate.add(const Duration(days: 1));
+    }
+
+    final androidDetails = AndroidNotificationDetails(
+      'daily_channel',
+      'Daily Notifications',
+      importance: Importance.max,
+      priority: Priority.max,
+    );
+
+    final notificationDetails = NotificationDetails(android: androidDetails);
+
+    await flutterLocalNotificationsPlugin.zonedSchedule(
+      id,
+      title,
+      body,
+      scheduledDate,
+      notificationDetails,
+      androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
+      matchDateTimeComponents: DateTimeComponents.time,
+    );
+
+    print("Scheduled notification at $hour:$minute (Next trigger: $scheduledDate)");
+  }
+}