// 🚪 앱 진입점. Firebase/백그라운드 감시 서비스 초기화 후 로그인 화면으로 시작한다.
// 실제 화면 구현은 lib/screens/ 폴더, 공통 설정은 lib/config.dart 참고.
import 'dart:io';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:firebase_core/firebase_core.dart';
import 'firebase_options.dart';
import 'config.dart';
import 'pocket_watch_service.dart';
import 'theme/app_palette.dart';
import 'ui/login_screen.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
  await printFCMToken();
  if (!kIsWeb && Platform.isAndroid) {
    await initializePocketWatchService();
  }
  runApp(const SchoolAttendanceApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: '$schoolName 학생 도우미',
      theme: ThemeData(
        useMaterial3: true,
        scaffoldBackgroundColor: AppPalette.mist,
        colorScheme:
            ColorScheme.fromSeed(
              seedColor: AppPalette.ink,
              brightness: Brightness.light,
            ).copyWith(
              primary: AppPalette.ink,
              onPrimary: AppPalette.paper,
              secondary: AppPalette.ink,
              onSecondary: AppPalette.paper,
              surface: AppPalette.paper,
              onSurface: AppPalette.ink,
            ),
      ),
      home: const LoginScreen(), // 🚪 앱을 켜면 무조건 로그인 화면이 먼저 등장합니다.
    );
  }
}