import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
import type { IRankingService } from '../../domain/services/IRankingService';
import type { IDriverStatsService } from '../../domain/services/IDriverStatsService';
import type { IImageServicePort } from '../ports/IImageServicePort';
import type { IDriversLeaderboardPresenter } from '../presenters/IDriversLeaderboardPresenter';
import type { AsyncUseCase } from '@gridpilot/shared/application';

/**
 * Use Case for retrieving driver leaderboard data.
 * Orchestrates domain logic and delegates presentation to the presenter.
 */
export class GetDriversLeaderboardUseCase
  implements AsyncUseCase<void, void> {
  constructor(
    private readonly driverRepository: IDriverRepository,
    private readonly rankingService: IRankingService,
    private readonly driverStatsService: IDriverStatsService,
    private readonly imageService: IImageServicePort,
    public readonly presenter: IDriversLeaderboardPresenter,
  ) {}

  async execute(): Promise<void> {
    const drivers = await this.driverRepository.findAll();
    const rankings = this.rankingService.getAllDriverRankings();
    
    const stats: Record<string, any> = {};
    const avatarUrls: Record<string, string> = {};
    
    for (const driver of drivers) {
      const driverStats = this.driverStatsService.getDriverStats(driver.id);
      if (driverStats) {
        stats[driver.id] = driverStats;
      }
      avatarUrls[driver.id] = this.imageService.getDriverAvatar(driver.id);
    }
    
    this.presenter.present(drivers, rankings, stats, avatarUrls);
  }
}