import 'package:hl_lieferservice/data/network/backend_environment.dart';
import 'package:hl_lieferservice/feature/feature_flags/feature_flags.dart';

/// Lifecycle-States des App-Bootstraps.
///
/// `AppConfigLoaded` heißt: Server-Config ist gelesen, die aktive Umgebung
/// steht fest, das Networking dafür ist im Locator registriert und die
/// Feature-Schalter sind geladen.
abstract class AppState {
  const AppState();
}

class AppInitial extends AppState {
  const AppInitial();
}

class AppConfigLoading extends AppState {
  const AppConfigLoading();
}

class AppConfigLoaded extends AppState {
  const AppConfigLoaded({
    required this.catalog,
    required this.active,
    required this.featureFlags,
  });

  /// Alle auswählbaren Umgebungen aus der Config-Datei.
  final ServerCatalog catalog;

  /// Die Umgebung, gegen die die App gerade spricht.
  final BackendEnvironment active;

  /// Feature-Schalter aus `assets/feature_flags.json`.
  final FeatureFlags featureFlags;
}

class AppConfigLoadingFailed extends AppState {
  const AppConfigLoadingFailed({required this.message});
  final String message;
}