import type {
  ILeagueStandingsPresenter,
  LeagueStandingsResultDTO,
  LeagueStandingsViewModel,
  StandingItemViewModel,
} from '@gridpilot/racing/application/presenters/ILeagueStandingsPresenter';

export class LeagueStandingsPresenter implements ILeagueStandingsPresenter {
  private viewModel: LeagueStandingsViewModel | null = null;

  reset(): void {
    this.viewModel = null;
  }

  present(dto: LeagueStandingsResultDTO): void {
    const standingItems: StandingItemViewModel[] = dto.standings.map((standing) => {
      const raw = standing as unknown as {
        seasonId?: string;
        podiums?: number;
      };

      return {
        id: standing.id,
        leagueId: standing.leagueId,
        seasonId: raw.seasonId ?? '',
        driverId: standing.driverId,
        position: standing.position,
        points: standing.points,
        wins: standing.wins,
        podiums: raw.podiums ?? 0,
        racesCompleted: standing.racesCompleted,
      };
    });

    this.viewModel = {
      leagueId: dto.standings[0]?.leagueId ?? '',
      standings: standingItems,
    };
  }

  getViewModel(): LeagueStandingsViewModel | null {
    return this.viewModel;
  }
}