import type { ITeamRepository } from '../../domain/repositories/ITeamRepository';
import type { ITeamMembershipRepository } from '../../domain/repositories/ITeamMembershipRepository';
import type {
  IAllTeamsPresenter,
  AllTeamsResultDTO,
} from '../presenters/IAllTeamsPresenter';
import type { UseCase } from '@core/shared/application';
import type { Team } from '../../domain/entities/Team';
import { Logger } from "@core/shared/application";

/**
 * Use Case for retrieving all teams.
 * Orchestrates domain logic and delegates presentation to the presenter.
 */
export class GetAllTeamsUseCase
  implements UseCase<void, AllTeamsResultDTO, import('../presenters/IAllTeamsPresenter').AllTeamsViewModel, IAllTeamsPresenter>
{
  constructor(
    private readonly teamRepository: ITeamRepository,
    private readonly teamMembershipRepository: ITeamMembershipRepository,
    private readonly logger: Logger,
  ) {}

  async execute(_input: void, presenter: IAllTeamsPresenter): Promise<void> {
    this.logger.debug('Executing GetAllTeamsUseCase');
    presenter.reset();

    try {
      const teams = await this.teamRepository.findAll();
      if (teams.length === 0) {
        this.logger.warn('No teams found.');
      }

      const enrichedTeams: AllTeamsResultDTO['teams'] = await Promise.all(
        teams.map(async (team) => {
          const memberCount = await this.teamMembershipRepository.countByTeamId(team.id);
          return {
            id: team.id,
            name: team.name,
            tag: team.tag,
            description: team.description,
            ownerId: team.ownerId,
            leagues: [...team.leagues],
 createdAt: team.createdAt,
            memberCount,
          };
        }),
      );

      const dto: AllTeamsResultDTO = {
        teams: enrichedTeams,
      };

      presenter.present(dto);
      this.logger.info('Successfully retrieved all teams.');
    } catch (error) {
      this.logger.error('Error retrieving all teams:', error);
      throw error; // Re-throw the error after logging
    }
  }
}