import 'package:flutter/material.dart';
import 'package:supabase_flutter/supabase_flutter.dart';
import 'package:provider/provider.dart';
import 'package:app_links/app_links.dart';
import 'services/mqtt_service.dart';
import 'screens/login_screen.dart';
import 'screens/register_screen.dart';
import 'screens/home_screen.dart';
import 'screens/analytics_screen.dart';
import 'screens/image_result_screen.dart';
import 'screens/change_password_screen.dart';
import 'screens/forgot_password_screen.dart';

final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  await Supabase.initialize(
    url: 'https://ddmhzzegejbsshihzext.supabase.co',
    anonKey: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImRkbWh6emVnZWpic3NoaWh6ZXh0Iiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzcyMjIyNzAsImV4cCI6MjA5Mjc5ODI3MH0._r-viIQLMXuNNdg4tcn7sJTBO9QqSpSlF7hk43hu2Ks',
  );

  // Listener auth state — handle password recovery
  Supabase.instance.client.auth.onAuthStateChange.listen((data) {
    if (data.event == AuthChangeEvent.passwordRecovery) {
      navigatorKey.currentState?.pushReplacementNamed(
        '/change_password',
        arguments: {'dari_reset': true},
      );
    }
  });

  // Handle deep link saat app sudah jalan
  final appLinks = AppLinks();
  appLinks.uriLinkStream.listen((uri) {
    final uriStr = uri.toString();
    if (uriStr.contains('reset-callback') ||
        uriStr.contains('type=recovery')) {
      // Supabase akan handle token otomatis via onAuthStateChange
      debugPrint('Deep link diterima: $uriStr');
    }
  });

  runApp(
    MultiProvider(
      providers: [
        ChangeNotifierProvider(create: (_) => MqttService()..connect()),
      ],
      child: const MyApp(),
    ),
  );
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      navigatorKey: navigatorKey,
      title: 'Coffee IoT',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        brightness: Brightness.dark,
        primarySwatch: Colors.green,
        scaffoldBackgroundColor: Colors.black,
      ),
      initialRoute: '/login',
      routes: {
        '/login':           (context) => const LoginScreen(),
        '/register':        (context) => const RegisterScreen(),
        '/home':            (context) => const HomeScreen(),
        '/analytics':       (context) => const AnalyticsScreen(),
        '/image_result':    (context) => const ImageResultScreen(),
        '/change_password': (context) => const ChangePasswordScreen(),
        '/forgot_password': (context) => const ForgotPasswordScreen(),
      },
    );
  }
}