TKK_E32230814/lib/main.dart

import 'package:flutter/material.dart';
import 'package:firebase_core/firebase_core.dart';
import 'firebase_options.dart';
import 'screens/landing_page.dart';
import 'screens/login_page.dart';
import 'theme/app_color.dart';

void main() {
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'ApsGo',
      theme: ThemeData(
        primaryColor: AppColor.primary,
        scaffoldBackgroundColor: AppColor.background,
        useMaterial3: true,
      ),
      home: const FirebaseInitializer(),
      routes: {'/login': (context) => const LoginPage()},
    );
  }
} 

class FirebaseInitializer extends StatefulWidget {
  const FirebaseInitializer({super.key});

  @override
  State<FirebaseInitializer> createState() => _FirebaseInitializerState();
}

class _FirebaseInitializerState extends State<FirebaseInitializer> {
  bool _initialized = false;
  bool _error = false;
  String _errorMessage = '';

  @override
  void initState() {
    super.initState();
    _initializeFirebase();
  }

  Future<void> _initializeFirebase() async {
    try {
      await Firebase.initializeApp(
        options: DefaultFirebaseOptions.currentPlatform,
      );
      setState(() {
        _initialized = true;
      });
      print('✅ Firebase initialized successfully');
    } on FirebaseException catch (e) {
      // Jika app sudah ada, anggap sudah initialized
      if (e.code == 'duplicate-app') {
        setState(() {
          _initialized = true;
        });
        print('✅ Firebase already initialized');
      } else {
        setState(() {
          _error = true;
          _errorMessage = e.message ?? e.toString();
        });
        print('❌ Firebase initialization error: $e');
      }
    } catch (e) {
      setState(() {
        _error = true;
        _errorMessage = e.toString();
      });
      print('❌ Firebase initialization error: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    if (_error) {
      return Scaffold(
        backgroundColor: Colors.white,
        body: Center(
          child: Padding(
            padding: const EdgeInsets.all(24.0),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Icon(Icons.error_outline, size: 80, color: Colors.red),
                const SizedBox(height: 24),
                const Text(
                  'Error Initializing Firebase',
                  style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                ),
                const SizedBox(height: 12),
                Text(
                  _errorMessage,
                  textAlign: TextAlign.center,
                  style: TextStyle(color: Colors.grey[600]),
                ),
                const SizedBox(height: 24),
                ElevatedButton(
                  onPressed: () {
                    setState(() {
                      _error = false;
                      _initialized = false;
                    });
                    _initializeFirebase();
                  },
                  child: const Text('Retry'),
                ),
              ],
            ),
          ),
        ),
      );
    }

    if (!_initialized) {
      return Scaffold(
        backgroundColor: Colors.white,
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              CircularProgressIndicator(
                valueColor: AlwaysStoppedAnimation<Color>(AppColor.primary),
              ),
              const SizedBox(height: 24),
              Text(
                'Loading...',
                style: TextStyle(
                  fontSize: 16,
                  color: AppColor.textDark.withOpacity(0.7),
                ),
              ),
            ],
          ),
        ),
      );
    }

    return const LandingPage();
  }
}