import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../domain/mission/drone_profile.dart';
import '../../services/database/app_database.dart' hide DroneProfile;
import '../../services/database/app_settings_repository.dart';
import '../../services/database/drone_profile_repository.dart';
import '../../services/database/mission_repository.dart';

/// App-lebenslange Drift-Datenbankinstanz (Doku 4.15).
final appDatabaseProvider = Provider<AppDatabase>((ref) {
  final db = AppDatabase();
  ref.onDispose(db.close);
  return db;
});

final missionRepositoryProvider = Provider<MissionRepository>(
  (ref) => MissionRepository(ref.watch(appDatabaseProvider)),
);

final droneProfileRepositoryProvider = Provider<DroneProfileRepository>(
  (ref) => DroneProfileRepository(ref.watch(appDatabaseProvider)),
);

final appSettingsRepositoryProvider = Provider<AppSettingsRepository>(
  (ref) => AppSettingsRepository(ref.watch(appDatabaseProvider)),
);

/// Reaktive Missionsliste fuers Verwaltungsmenue (Doku 3.6/7.1).
final missionSummariesProvider = StreamProvider(
  (ref) => ref.watch(missionRepositoryProvider).watchSummaries(),
);

/// Reaktive Drohnenprofil-Liste fuers Verwaltungsmenue (Doku 3.5/7.3).
final droneProfilesProvider = StreamProvider<List<DroneProfile>>(
  (ref) => ref.watch(droneProfileRepositoryProvider).watchAll(),
);