import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shuffle/core/config/app_config_provider.dart';
import 'package:shuffle/core/l10n/app_locale.dart';
import 'package:shuffle/core/supabase/supabase_client_provider.dart';
import 'package:shuffle/features/auth/data/asset_common_password_list.dart';
import 'package:shuffle/features/auth/data/supabase_auth_repository.dart';
import 'package:shuffle/features/auth/domain/auth_repository.dart';
import 'package:shuffle/features/auth/domain/auth_status.dart';
import 'package:shuffle/features/auth/domain/registration_input.dart';
import 'package:shuffle/features/auth/domain/validation/common_passwords.dart';

part 'auth_providers.g.dart';

@Riverpod(keepAlive: true)
AuthRepository authRepository(Ref ref) {
  final repository = SupabaseAuthRepository(
    ref.watch(supabaseClientProvider).auth,
  );
  ref.onDispose(repository.dispose);
  return repository;
}

/// Anmeldestatus als Stream (zuerst der aktuelle Wert, dann Änderungen).
@Riverpod(keepAlive: true)
Stream<AuthStatus> authStatus(Ref ref) =>
    ref.watch(authRepositoryProvider).watchStatus();

/// Liste häufiger Passwörter. Lazy: lädt erst beim ersten Lesen (Öffnen eines
/// Passwortfeldes), nicht beim App-Start.
@Riverpod(keepAlive: true)
Future<CommonPasswordList> commonPasswordList(Ref ref) =>
    const AssetCommonPasswordList().load();

/// Baut die Registrierungseingabe mit `terms_version` aus der [AppConfig] und
/// der aktiven Oberflächensprache als `locale` (F5, F6, KTO-11 Kriterium 11).
typedef RegistrationInputFactory = RegistrationInput Function({
  required String email,
  required String password,
  required String displayName,
  required bool ageConfirmed,
  required bool termsAccepted,
});

@riverpod
RegistrationInputFactory registrationInputFactory(Ref ref) {
  final termsVersion = ref.watch(appConfigProvider).termsVersion;
  final locale = ref.watch(appLocaleProvider).languageCode;
  return ({
    required email,
    required password,
    required displayName,
    required ageConfirmed,
    required termsAccepted,
  }) => RegistrationInput(
    email: email,
    password: password,
    displayName: displayName,
    ageConfirmed: ageConfirmed,
    termsAccepted: termsAccepted,
    termsVersion: termsVersion,
    locale: locale,
  );
}