// lib/main.dart

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:smpn1_lengkong/core/constants/app_colors.dart';
import 'package:smpn1_lengkong/core/routes/app_routes.dart';
import 'package:smpn1_lengkong/core/service/fcm_service.dart';


// 1. Definisikan Navigator Key secara Global
final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();

  // 2. Setup Handler Background (Wajib Top Level)
  FirebaseMessaging.onBackgroundMessage(firebaseMessagingBackgroundHandler);

  // 3. Init Notifikasi
  await FcmService().initNotifications();

  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return ScreenUtilInit(
      designSize: const Size(375, 812),
      minTextAdapt: true,
      builder: (context, child) {
        return MaterialApp(
          debugShowCheckedModeBanner: false,
          title: 'SMPN 1 Lengkong',
          // 4. Pasang Navigator Key disini
          navigatorKey: navigatorKey, 
          theme: ThemeData(
            scaffoldBackgroundColor: AppColors.backgroundWhite,
            colorScheme: ColorScheme.fromSeed(seedColor: AppColors.primaryBlue),
            useMaterial3: true,
          ),
          initialRoute: AppRoutes.splash,
          routes: AppRoutes.routes,
        );
      },
    );
  }
}