import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:grocery_app/src/core/network_services/service_locator.dart';
import 'package:grocery_app/src/core/routes/routes.dart';
import 'package:grocery_app/src/firebase_options.dart';
import 'package:grocery_app/src/logic/provider/addTocart_provider.dart';
import 'package:grocery_app/src/logic/provider/address_provider.dart';
import 'package:grocery_app/src/logic/provider/auth_provider.dart';
import 'package:grocery_app/src/logic/provider/bottom_navbar_provider.dart';
import 'package:grocery_app/src/logic/provider/home_provider.dart';
import 'package:grocery_app/src/logic/provider/order_provider.dart';
import 'package:grocery_app/src/logic/provider/profile_provider.dart';
import 'package:grocery_app/src/logic/services/notification_service.dart';
import 'package:grocery_app/src/ui/splash/splash_screen.dart';
import 'package:grocery_app/utils/constants/color_constant.dart';
import 'package:grocery_app/utils/constants/string_constant.dart';
import 'package:loader_overlay/loader_overlay.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:provider/provider.dart';


@pragma('vm:entry-point')
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
  await Firebase.initializeApp();
  print("💬 Background Message Received: ${message.notification?.title}");
  if (message.notification != null) {
    NotificationService.flutterLocalNotificationsPlugin.show(
      message.hashCode,
      message.notification!.title,
      message.notification!.body,
      const NotificationDetails(
        android: AndroidNotificationDetails(
          'high_importance_channel',
          'High Importance Notifications',
          channelDescription: 'Used for important notifications.',
          importance: Importance.max,
          priority: Priority.high,
        ),
      ),
    );
  }
}

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  WidgetsFlutterBinding.ensureInitialized();
    await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
  await NotificationService.init();

  ServiceLocator.setup();
    await requestNotificationPermission();
  runApp(const MyApplication());
}

Future<void> requestNotificationPermission() async {
  PermissionStatus status = await Permission.notification.status;

  if (status.isDenied || status.isPermanentlyDenied) {
    status = await Permission.notification.request();
  }

  if (status.isGranted) {
    print("✅ Notification permission granted");
  } else if (status.isPermanentlyDenied) {
    print("⚠️ Notification permission permanently denied. Open settings.");
    openAppSettings();
  } else {
    print("❌ Notification permission denied.");
  }
}


class MyApplication extends StatelessWidget {
  const MyApplication({super.key});

  @override
  Widget build(BuildContext context) {
    return ScreenUtilInit(
      designSize: const Size(360, 690),
      minTextAdapt: true,
      splitScreenMode: true,
      builder: (context, child) => GlobalLoaderOverlay(
        overlayColor: APPCOLOR.whiteFBFEFB.withOpacity(0.5),

        useDefaultLoading: false,
        //  overlayWidgetBuilder: (progress) => const GlobalLoader(),
        child: MultiProvider(
          providers: [
            ChangeNotifierProvider(create: (_) => AuthProvider()),
            ChangeNotifierProvider(create: (_) => ProductProvider()),
            ChangeNotifierProvider(create: (_) => AddtocartProvider()),
            ChangeNotifierProvider(create: (_) => BottomNavProvider()),
            ChangeNotifierProvider(create: (_) => AddressProvider()),
            ChangeNotifierProvider(create: (_) => ProfileProvider()),
               ChangeNotifierProvider(create: (_) => OrderProvider()),
            
          ],
          child: MaterialApp.router(
            routerConfig: MyRoutes.router,
            debugShowCheckedModeBanner: false,
            theme: ThemeData(
              colorScheme: ColorScheme.fromSeed(seedColor: Colors.lightGreen),
              scaffoldBackgroundColor: Colors.white,
              canvasColor: const Color.fromRGBO(255, 255, 255, 1),
              fontFamily: 'GoogleSans',
              primarySwatch: Colors.blue,
            ),
            themeMode: ThemeMode.light,
            title: APPSTRING.appName,
          ),
        ),
      ),
    );

   
  }
}