import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:get_it/get_it.dart';
import 'package:hl_lieferservice/bloc/app_bloc.dart';
import 'package:hl_lieferservice/bloc/app_events.dart';
import 'package:hl_lieferservice/data/cache/attachment_cache.dart';
import 'package:hl_lieferservice/data/network/environment_repository.dart';
import 'package:hl_lieferservice/data/network/network_locator.dart';
import 'package:hl_lieferservice/feature/settings/bloc/settings_bloc.dart';
import 'package:hl_lieferservice/feature/settings/bloc/settings_event.dart';
import 'package:hl_lieferservice/widget/app.dart';

final locator = GetIt.instance;

void main() {
  // Das Networking (HTTP-Stack + Token-Provider) registriert der AppBloc,
  // sobald die Umgebung aus `assets/hl_server_config.json` feststeht. Alle
  // Konsumenten von `locator<HolzleitnerApi>()` entstehen erst danach
  // (Bloc-Baum wird erst bei `AppConfigLoaded` gebaut).
  // Persistenter Vorschau-Cache für Attachment-Bilder. Über die gesamte
  // App-Lebensdauer stabil und zustandslos (das Verzeichnis löst er lazy
  // selbst auf), daher hier als Singleton.
  locator.registerSingleton<AttachmentCache>(AttachmentCache());

  runApp(MultiBlocProvider(providers: [
    BlocProvider(
      create: (context) => AppBloc(
        repository: EnvironmentRepository(),
        activate: (config) =>
            registerNetworking(locator: locator, config: config),
      ),
    ),
    BlocProvider(create: (context) => SettingsBloc())
  ], child: App()));
}

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

  @override
  State<StatefulWidget> createState() => _AppState();
}

class _AppState extends State<App> {
  @override
  void initState() {
    super.initState();
    context.read<AppBloc>().add(AppLoadConfig(path: "hl_server_config.json"));
    context.read<SettingsBloc>().add(LoadSettings());
  }

  @override
  Widget build(BuildContext context) {
    return DeliveryApp();
  }
}