import { DeleteMediaViewModel } from '@/lib/view-models/DeleteMediaViewModel';
import { MediaViewModel } from '@/lib/view-models/MediaViewModel';
import { UploadMediaViewModel } from '@/lib/view-models/UploadMediaViewModel';
import type { MediaApiClient } from '../../api/media/MediaApiClient';

// Local request shape mirroring the media upload API contract until a generated type is available
type UploadMediaRequest = { file: File; type: string; category?: string };

/**
 * Media Service
 *
 * Orchestrates media operations by coordinating API calls and view model creation.
 * All dependencies are injected via constructor.
 */
export class MediaService {
  constructor(
    private readonly apiClient: MediaApiClient
  ) {}

  /**
   * Upload media file with view model transformation
   */
  async uploadMedia(input: UploadMediaRequest): Promise<UploadMediaViewModel> {
    const dto = await this.apiClient.uploadMedia(input);
    return new UploadMediaViewModel(dto);
  }

  /**
   * Get media by ID with view model transformation
   */
  async getMedia(mediaId: string): Promise<MediaViewModel> {
    const dto = await this.apiClient.getMedia(mediaId);
    return new MediaViewModel(dto);
  }

  /**
    * Delete media by ID with view model transformation
    */
   async deleteMedia(mediaId: string): Promise<DeleteMediaViewModel> {
     const dto = await this.apiClient.deleteMedia(mediaId);
     return new DeleteMediaViewModel(dto);
   }

 }