import { BaseApiService } from "./base-api.service";
import { ERROR_CODES } from "../../constants/errorCodes";
import { AppError } from "../../utils/errors";

export interface ImageResponse {
  buffer: Buffer;
  contentType: string | null;
}

export class ImageService extends BaseApiService {
  static async getImage(path: string): Promise<ImageResponse> {
    try {
      const headers = { Accept: "image/jpeg, image/png, image/gif, image/webp, */*" };

      // NE PAS mettre en cache - les images sont trop grosses et les Buffers ne sérialisent pas bien
      const response = await this.fetchFromApi<Response>({ path }, headers, { isImage: true });
      const contentType = response.headers.get("content-type");
      const arrayBuffer = await response.arrayBuffer();
      const buffer = Buffer.from(arrayBuffer);

      return {
        buffer,
        contentType,
      };
    } catch (error) {
      console.error("Erreur lors de la récupération de l'image:", error);
      throw new AppError(ERROR_CODES.IMAGE.FETCH_ERROR, {}, error);
    }
  }

  static getSeriesThumbnailUrl(seriesId: string): string {
    return `/api/komga/images/series/${seriesId}/thumbnail`;
  }

  static getBookThumbnailUrl(bookId: string): string {
    return `/api/komga/images/books/${bookId}/thumbnail`;
  }

  static getBookPageUrl(bookId: string, pageNumber: number): string {
    return `/api/komga/images/books/${bookId}/pages/${pageNumber}`;
  }

  static getBookPageThumbnailUrl(bookId: string, pageNumber: number): string {
    return `/api/komga/images/books/${bookId}/pages/${pageNumber}/thumbnail`;
  }
}