'use client';

import type { GetMediaOutputDTO } from '@/lib/types/generated/GetMediaOutputDTO';
import type { CategoryIconViewData } from '@/lib/view-data/CategoryIconViewData';
import type { ViewDataBuilder } from '@/lib/contracts/builders/ViewDataBuilder';

export class CategoryIconViewDataBuilder {
  public static build(apiDto: GetMediaOutputDTO): CategoryIconViewData {
    // Note: GetMediaOutputDTO from OpenAPI doesn't have buffer,
    // but the implementation expects it for binary data.
    const binaryDto = apiDto as unknown as { buffer?: ArrayBuffer };
    const buffer = binaryDto.buffer;
    
    return {
      buffer: buffer ? Buffer.from(buffer).toString('base64') : '',
      contentType: apiDto.type,
    };
  }
}

CategoryIconViewDataBuilder satisfies ViewDataBuilder<GetMediaOutputDTO, CategoryIconViewData>;