import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:provider/provider.dart';
import 'l10n/app_localizations.dart';
import 'pages/collection_page.dart';
import 'pages/collections_list_page.dart';
import 'pages/search_page.dart';
import 'pages/settings_page.dart';
import 'service/search_provider.dart';
import 'service/settings_provider.dart';
import 'service/shared_link_provider.dart';
import 'service/storage.dart';
import 'service/share_intent_service.dart';
import 'theme.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Storage.initialize();
  runApp(
    MultiProvider(
      providers: [
        ChangeNotifierProvider(create: (_) => SharedLinkProvider()),
        ChangeNotifierProvider(create: (_) => SearchProvider()),
        ChangeNotifierProvider(create: (_) => SettingsProvider()),
      ],
      child: const MapsBookmarks(),
    ),
  );
}

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

  @override
  State<MapsBookmarks> createState() => _MapsBookmarksState();
}

class _MapsBookmarksState extends State<MapsBookmarks>
    with WidgetsBindingObserver {
  final GlobalKey<NavigatorState> _navigatorKey = GlobalKey<NavigatorState>();
  final ShareIntentService _shareIntentService = ShareIntentService();

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      _checkForSharedContent();
    }
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    super.dispose();
  }

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _checkForSharedContent();
  }

  Future<void> _checkForSharedContent() async {
    final sharedText = await _shareIntentService.getSharedMapsLink();

    if (sharedText.isNotEmpty && mounted) {
      context.read<SharedLinkProvider>().setCurrentMapsLink(sharedText);
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      localizationsDelegates: [
        AppLocalizations.delegate,
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      supportedLocales: [Locale('en'), Locale('de')],
      navigatorKey: _navigatorKey,
      theme: lightTheme,
      darkTheme: darkTheme,
      initialRoute: CollectionsListPage.routeName,
      routes: {
        CollectionsListPage.routeName: (context) => const CollectionsListPage(),
        CollectionPage.routeName: (context) => const CollectionPage(),
        SearchPage.routeName: (context) => const SearchPage(),
        SettingsPage.routeName: (context) => const SettingsPage(),
      },
    );
  }
}