import 'package:flutter/material.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:firebase_messaging/firebase_messaging.dart';

class NotificationService {
  static final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      FlutterLocalNotificationsPlugin();

  static Future<void> init() async {
    const AndroidInitializationSettings initializationSettingsAndroid =
        AndroidInitializationSettings('logo');

    const DarwinInitializationSettings initializationSettingsIOS =
        DarwinInitializationSettings(
      requestAlertPermission: true,
      requestBadgePermission: true,
      requestSoundPermission: true,
    );

    const InitializationSettings initializationSettings =
        InitializationSettings(
      android: initializationSettingsAndroid,
      iOS: initializationSettingsIOS,
    );

    await flutterLocalNotificationsPlugin.initialize(
      initializationSettings,
      onDidReceiveNotificationResponse: (NotificationResponse response) {
        // Handle tap on notification
        debugPrint("🔔 Notification clicked: ${response.payload}");
      },
    );

    // Listen when app is in foreground
    FirebaseMessaging.onMessage.listen((RemoteMessage message) {
      _showNotification(message);
    });

    // Optional: listen when user taps notification while app is in background/terminated
    FirebaseMessaging.onMessageOpenedApp.listen((RemoteMessage message) {
      debugPrint(
          "📲 App opened via notification: ${message.notification?.title}");
      // Navigate to specific screen if needed
    });
  }

  static Future<void> _showNotification(RemoteMessage message) async {
    RemoteNotification? notification = message.notification;
    AndroidNotification? android = message.notification?.android;

    if (notification != null && android != null) {
      const AndroidNotificationDetails androidDetails =
          AndroidNotificationDetails(
        'high_importance_channel', // Match with AndroidManifest.xml
        'High Importance Notifications',
        channelDescription: 'Used for important notifications.',
        importance: Importance.max,
        priority: Priority.high,
      );

      const NotificationDetails platformDetails =
          NotificationDetails(android: androidDetails);

      await flutterLocalNotificationsPlugin.show(
        notification.hashCode,
        notification.title,
        notification.body,
        platformDetails,
      );
    }
  }
}