import type { DriversApiClient } from '../../api/drivers/DriversApiClient';
import { DriverLeaderboardViewModel } from '../../view-models';
import { DriverViewModel } from '../../view-models/DriverViewModel';
import { CompleteOnboardingViewModel } from '../../view-models/CompleteOnboardingViewModel';
import type { CompleteOnboardingInputDTO } from '../../types/generated';

/**
 * Driver Service
 *
 * Orchestrates driver operations by coordinating API calls and view model creation.
 * All dependencies are injected via constructor.
 */
export class DriverService {
  constructor(
    private readonly apiClient: DriversApiClient
  ) {}

  /**
   * Get driver leaderboard with view model transformation
   */
  async getDriverLeaderboard(): Promise<DriverLeaderboardViewModel> {
    const dto = await this.apiClient.getLeaderboard();
    return new DriverLeaderboardViewModel(dto);
  }

  /**
   * Complete driver onboarding with view model transformation
   */
  async completeDriverOnboarding(input: CompleteOnboardingInputDTO): Promise<CompleteOnboardingViewModel> {
    const dto = await this.apiClient.completeOnboarding(input);
    return new CompleteOnboardingViewModel(dto);
  }

  /**
   * Get current driver with view model transformation
   */
  async getCurrentDriver(): Promise<DriverViewModel | null> {
    const dto = await this.apiClient.getCurrent();
    if (!dto) {
      return null;
    }
    return new DriverViewModel(dto);
  }
}