import type { IRaceRegistrationRepository } from '@core/racing/domain/repositories/IRaceRegistrationRepository';
import type { GetRaceRegistrationsQueryParamsDTO } from '../dto/RaceRegistrationQueryDTO';
import type { RaceRegistrationsOutputPort } from '../ports/output/RaceRegistrationsOutputPort';
import type { AsyncUseCase } from '@core/shared/application/AsyncUseCase';
import { Result } from '@core/shared/application/Result';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';

/**
 * Use Case: GetRaceRegistrationsUseCase
 *
 * Returns registered driver IDs for a race.
 * Orchestrates domain logic and delegates presentation to the presenter.
 */
export class GetRaceRegistrationsUseCase implements AsyncUseCase<GetRaceRegistrationsQueryParamsDTO, RaceRegistrationsOutputPort, 'NO_ERROR'> {
  constructor(
    private readonly registrationRepository: IRaceRegistrationRepository,
  ) {}

  async execute(params: GetRaceRegistrationsQueryParamsDTO): Promise<Result<RaceRegistrationsOutputPort, ApplicationErrorCode<'NO_ERROR'>>> {
    const { raceId } = params;
    const registrations = await this.registrationRepository.findByRaceId(raceId);

    const outputPort: RaceRegistrationsOutputPort = {
      registrations,
    };

    return Result.ok(outputPort);
  }
}