import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'providers/providers.dart';
import 'screens/homes_screen.dart';
import 'screens/remote_screen.dart';

void main() {
  runApp(const ProviderScope(child: IgnisApp()));
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Ignis',
      debugShowCheckedModeBanner: false,
      theme: ThemeData.dark(useMaterial3: true).copyWith(
        scaffoldBackgroundColor: const Color(0xFF0E0E0E),
        colorScheme: ColorScheme.fromSeed(
          seedColor: Colors.deepOrange,
          brightness: Brightness.dark,
        ),
        appBarTheme: const AppBarTheme(
          backgroundColor: Color(0xFF1A1A1A),
          elevation: 0,
          centerTitle: true,
        ),
        cardTheme: CardThemeData(
          color: const Color(0xFF1E1E1E),
          elevation: 2,
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
        ),
        sliderTheme: const SliderThemeData(
          trackHeight: 4,
          thumbShape: RoundSliderThumbShape(enabledThumbRadius: 8),
        ),
      ),
      home: const MainGate(),
    );
  }
}

/// Стартовый экран -- проверяет наличие домов и перенаправляет
class MainGate extends ConsumerStatefulWidget {
  const MainGate({super.key});

  @override
  ConsumerState<MainGate> createState() => _MainGateState();
}

class _MainGateState extends ConsumerState<MainGate> {
  @override
  void initState() {
    super.initState();
    _bootstrap();
  }

  Future<void> _bootstrap() async {
    try {
      // Загружаем список домов
      await ref.read(homesProvider.notifier).load();
      await ref.read(currentHomeProvider.notifier).load();

      if (!mounted) return;

      final home = ref.read(currentHomeProvider);

      if (home != null) {
        // Есть дом -- идём на пульт управления
        await ref.read(groupsProvider.notifier).initAndRefresh();
        if (mounted) {
          Navigator.of(context).pushReplacement(
            MaterialPageRoute(builder: (_) => const RemoteScreen()),
          );
        }
      } else {
        // Нет домов -- на экран управления домами
        if (mounted) {
          Navigator.of(context).pushReplacement(
            MaterialPageRoute(builder: (_) => const HomesScreen()),
          );
        }
      }
    } catch (e) {
      debugPrint("Ошибка бутстрапа: $e");
      if (mounted) {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (_) => const HomesScreen()),
        );
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return const Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            CircularProgressIndicator(color: Colors.deepOrange),
            SizedBox(height: 20),
            Text("Загрузка...", style: TextStyle(color: Colors.white54)),
          ],
        ),
      ),
    );
  }
}