/// Application entry point: wires services, Provider, and [MaterialApp].
library;

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import 'providers/item_provider.dart';
import 'providers/theme_provider.dart';
import 'screens/splash_screen.dart';
import 'services/item_repository.dart';
import 'services/storage_service.dart';
import 'utils/app_theme.dart';
import 'utils/constants.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  final storage = StorageService();
  await storage.init();

  runApp(
    MyApp(
      storage: storage,
      repository: ItemRepository(useRemoteData: storage.useRemoteData),
    ),
  );
}

/// Root widget. Theme and catalog controllers live here so every route
/// can `context.watch` them.
class MyApp extends StatelessWidget {
  const MyApp({
    super.key,
    required this.storage,
    required this.repository,
  });

  final StorageService storage;
  final ItemRepository repository;

  @override
  Widget build(BuildContext context) {
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(create: (_) => ThemeController(storage)),
        ChangeNotifierProvider(
          create: (_) => ItemController(
            repository: repository,
            storage: storage,
          )..loadItems(),
        ),
      ],
      child: const _MaterialRoot(),
    );
  }
}

class _MaterialRoot extends StatelessWidget {
  const _MaterialRoot();

  @override
  Widget build(BuildContext context) {
    final themeMode = context.watch<ThemeController>().themeMode;

    return MaterialApp(
      title: kAppName,
      debugShowCheckedModeBanner: false,
      theme: AppTheme.light(),
      darkTheme: AppTheme.dark(),
      themeMode: themeMode,
      home: const SplashScreen(),
    );
  }
}