import 'package:dartz/dartz.dart';
import 'package:injectable/injectable.dart';
import '../../../data/repositories/license_repository.dart';
import '../../../core/errors/failures.dart';
import '../base_usecase.dart';

/// 라이선스 삭제 UseCase
@injectable
class DeleteLicenseUseCase implements UseCase<bool, int> {
  final LicenseRepository repository;

  DeleteLicenseUseCase(this.repository);

  @override
  Future<Either<Failure, bool>> call(int id) async {
    try {
      // 비즈니스 로직: 활성 라이선스는 삭제 불가
      final license = await repository.getLicenseDetail(id);
      if (license.isActive) {
        return Left(ValidationFailure(message: '활성 라이선스는 삭제할 수 없습니다'));
      }

      await repository.deleteLicense(id);
      return const Right(true);
    } catch (e) {
      return Left(ServerFailure(message: e.toString()));
    }
  }
}