import { apiBase } from './api';
import { getStoreProfile } from './api';

const UPLOAD_TIMEOUT_MS = 120_000;

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

export type RegisteredResource = {
  id: string;
  url: string;
};

export async function uploadFileToOss(file: File, bizType: string): Promise<UploadFileResult> {
  const formData = new FormData();
  formData.append('file', file);
  formData.append('bizType', bizType);
  formData.append('mediaType', 'IMAGE');

  const token = localStorage.getItem('accessToken');
  const headers: Record<string, string> = { 'X-Client-App': 'SHOP_H5' };
  if (token) headers.Authorization = `Bearer ${token}`;

  const controller = new AbortController();
  const timeoutId = window.setTimeout(() => controller.abort(), UPLOAD_TIMEOUT_MS);

  try {
    const res = await fetch(`${apiBase}/common/resources/upload`, {
      method: 'POST',
      headers,
      body: formData,
      signal: controller.signal,
    });
    const json = await res.json();
    if (json.code === 401) {
      localStorage.removeItem('accessToken');
      throw new Error('未登录');
    }
    if (json.code !== 0) {
      throw new Error(json.message || '上传失败');
    }
    return json.data as UploadFileResult;
  } catch (e) {
    if (e instanceof DOMException && e.name === 'AbortError') {
      throw new Error('上传超时，请检查网络后重试');
    }
    throw e;
  } finally {
    window.clearTimeout(timeoutId);
  }
}

async function registerResource(upload: UploadFileResult, fileName: string): Promise<RegisteredResource> {
  const profile = getStoreProfile();
  if (!profile?.storeId) throw new Error('门店信息缺失，请重新登录');

  const token = localStorage.getItem('accessToken');
  const headers: Record<string, string> = {
    'Content-Type': 'application/json',
    'X-Client-App': 'SHOP_H5',
  };
  if (token) headers.Authorization = `Bearer ${token}`;

  const res = await fetch(`${apiBase}/common/resources`, {
    method: 'POST',
    headers,
    body: JSON.stringify({
      ownerType: 'STORE',
      ownerId: profile.storeId,
      bizType: 'REDEEM_PENDING_PHOTO',
      mediaType: 'IMAGE',
      ossKey: upload.ossKey,
      url: upload.url,
      ossBucket: upload.bucket,
      fileName,
    }),
  });
  const json = await res.json();
  if (json.code !== 0) throw new Error(json.message || '登记资源失败');
  return { id: String(json.data.id), url: String(json.data.url) };
}

/** 上传核销码照片并登记为 CommonResource，返回 resourceId */
export async function uploadRedeemPendingPhoto(file: File): Promise<RegisteredResource> {
  const uploaded = await uploadFileToOss(file, 'REDEEM_PENDING_PHOTO');
  return registerResource(uploaded, file.name || 'redeem-pending.jpg');
}