import { Result } from '@core/shared/domain/Result';
import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
import type { Sponsor } from '../../domain/entities/sponsor/Sponsor';
import type { SponsorRepository } from '../../domain/repositories/SponsorRepository';

export interface GetSponsorsInput {}

export interface GetSponsorsResult {
  sponsors: Sponsor[];
}

export type GetSponsorsErrorCode = 'REPOSITORY_ERROR';

export class GetSponsorsUseCase {
  constructor(private readonly sponsorRepository: SponsorRepository) {}

  async execute(_input: GetSponsorsInput): Promise<Result<GetSponsorsResult, ApplicationErrorCode<GetSponsorsErrorCode, { message: string }>>> {
    void _input;
    try {
      const sponsors = await this.sponsorRepository.findAll();
      return Result.ok({ sponsors });
    } catch (error) {
      return Result.err({
        code: 'REPOSITORY_ERROR',
        details: { message: error instanceof Error ? error.message : 'Unknown error' },
      });
    }
  }
}