import type { SponsorsApiClient } from '../../api/sponsors/SponsorsApiClient';
import type { GetEntitySponsorshipPricingResultDto } from '../../api/sponsors/SponsorsApiClient';
import {
  SponsorshipPricingViewModel,
  SponsorSponsorshipsViewModel,
  SponsorshipRequestViewModel
} from '../../view-models';
import type { SponsorSponsorshipsDTO } from '../../types/generated';

/**
 * Sponsorship Service
 *
 * Orchestrates sponsorship operations by coordinating API calls and view model creation.
 * All dependencies are injected via constructor.
 */
export class SponsorshipService {
  constructor(
    private readonly apiClient: SponsorsApiClient
  ) {}

  /**
   * Get sponsorship pricing with view model transformation
   */
  async getSponsorshipPricing(): Promise<SponsorshipPricingViewModel> {
    const dto = await this.apiClient.getPricing();
    return new SponsorshipPricingViewModel(dto);
  }

  /**
    * Get sponsor sponsorships with view model transformation
    */
  async getSponsorSponsorships(sponsorId: string): Promise<SponsorSponsorshipsViewModel | null> {
    const dto = await this.apiClient.getSponsorships(sponsorId);
    if (!dto) {
      return null;
    }
    return new SponsorSponsorshipsViewModel(dto);
  }

  /**
   * Get pending sponsorship requests for an entity
   */
  async getPendingSponsorshipRequests(params: { entityType: string; entityId: string }): Promise<SponsorshipRequestViewModel[]> {
    const dto = await this.apiClient.getPendingSponsorshipRequests(params);
    return dto.requests.map(dto => new SponsorshipRequestViewModel(dto));
  }

  /**
   * Accept a sponsorship request
   */
  async acceptSponsorshipRequest(requestId: string, respondedBy: string): Promise<void> {
    await this.apiClient.acceptSponsorshipRequest(requestId, respondedBy);
  }

  /**
   * Reject a sponsorship request
   */
  async rejectSponsorshipRequest(requestId: string, respondedBy: string, reason?: string): Promise<void> {
    await this.apiClient.rejectSponsorshipRequest(requestId, respondedBy, reason);
  }
}