import 'package:injectable/injectable.dart';
import 'package:mnemo_cards_backend/database/database.dart';
import 'package:mnemo_cards_common_backend/mnemo_cards_common_backend.dart';
import 'package:mnemo_cards_common/mnemo_cards_common.dart';

@lazySingleton
class SubscriptionManager {
  final AppDatabase _db;

  SubscriptionManager(this._db);

  Future<SubscriptionDto> getSubscriptionDto(UserModel user) async {
    // TODO: Implement with Drift
    return SubscriptionDto(
      page: null,
      isActive: false,
      start: null,
      finish: null,
    );
  }

  Future<SubscriptionPlanModel?> getSubscriptionPlan(String id) async {
    final intId = int.tryParse(id);
    if (intId == null) return null;

    final plan = await _db.subscriptionDao.getPlanById(intId);
    if (plan == null) return null;

    // TODO: Convert SubscriptionPlan (Drift) to SubscriptionPlanModel (Isar)
    return null; // Temporary return null
  }

  Future<void> createSubscription(UserModel user, SubscriptionPlanModel plan) async {
    // TODO: Implement with Drift
    throw UnimplementedError('SubscriptionManager.createSubscription not implemented');
  }

  Future<List<SubscriptionPlanModel>> getAllPlans() async {
    // TODO: Implement with Drift
    return [];
  }
}