import { FileServiceImpl, createFileServiceModule } from './impls';

/**
 * 文件服务类
 * 使用模块化实现方式，提供文件操作服务
 */
export class FileService {
  private impl: FileServiceImpl = createFileServiceModule();

  /**
   * 删除文件
   */
  public async deleteFile(key: string) {
    return this.impl.deleteFile(key);
  }

  /**
   * 批量删除文件
   */
  public async deleteFiles(keys: string[]) {
    return this.impl.deleteFiles(keys);
  }

  /**
   * 获取文件内容
   */
  public async getFileContent(key: string): Promise<string> {
    return this.impl.getFileContent(key);
  }

  /**
   * 获取文件字节数组
   */
  public async getFileByteArray(key: string): Promise<Uint8Array> {
    return this.impl.getFileByteArray(key);
  }

  /**
   * 创建预签名上传URL
   */
  public async createPreSignedUrl(key: string): Promise<string> {
    return this.impl.createPreSignedUrl(key);
  }

  /**
   * 创建预签名预览URL
   */
  public async createPreSignedUrlForPreview(key: string, expiresIn?: number): Promise<string> {
    return this.impl.createPreSignedUrlForPreview(key, expiresIn);
  }

  /**
   * 上传内容
   */
  public async uploadContent(path: string, content: string) {
    return this.impl.uploadContent(path, content);
  }

  /**
   * 获取完整文件URL
   */
  public async getFullFileUrl(url?: string | null, expiresIn?: number): Promise<string> {
    return this.impl.getFullFileUrl(url, expiresIn);
  }
}