import { apiBase } from './api';
import {
  compressImageFileIfNeeded,
  DEFAULT_OSS_MAX_UPLOAD_BYTES,
  formatOssMaxSizeMb,
} from '@dukang/shared-ui/compressImage';

export type OssMediaType = 'IMAGE' | 'VIDEO' | 'FILE';

export type UploadFileResult = {
  url: string;
  ossKey: string;
  bucket: string;
  mock: boolean;
};

/** 经 API 服务端转存 OSS */
export async function uploadFileToOss(
  file: File,
  options: { bizType: string; mediaType?: OssMediaType },
): Promise<UploadFileResult> {
  const mediaType = options.mediaType ?? (file.type.startsWith('video/') ? 'VIDEO' : 'IMAGE');
  let prepared = file;
  if (mediaType === 'IMAGE') {
    prepared = await compressImageFileIfNeeded(file);
    if (prepared.size > DEFAULT_OSS_MAX_UPLOAD_BYTES) {
      throw new Error(`图片压缩后仍超过 ${formatOssMaxSizeMb()}MB，请换一张较小的图片`);
    }
  }
  const formData = new FormData();
  formData.append('file', prepared);
  formData.append('bizType', options.bizType);
  formData.append('mediaType', mediaType);

  const headers: Record<string, string> = {
    'X-Client-App': 'USER_H5',
  };
  const token = localStorage.getItem('accessToken');
  if (token) headers.Authorization = `Bearer ${token}`;

  const res = await fetch(`${apiBase}/common/resources/upload`, {
    method: 'POST',
    headers,
    body: formData,
  });
  const json = await res.json();
  if (json.code !== 0) throw new Error(json.message || '上传失败');
  return json.data as UploadFileResult;
}