import request from '@/services/request';
import useSWR, { useSWRInfinite } from 'swr';
export const PAGE_SIZE = 10;

//swr 返回获取数据函数
export const fetcher = ({ url, data }, cb) => {
    return async function () {
        const res =  await request.get(url, data);
        const payload = cb ? cb(res.data) : res.data;
        if (res.statusCode === 200 || res.statusCode === 204) {
          return payload;
        } else {
          //向外抛出错误
          throw new Error(res.data.message || '请求出错');
        }
    } 
}
//分页获取数据
export const pageFetcher = async (url) => {
      const res =  await request.get(url);
      const payload = res.data;
      if (res.statusCode === 200 || res.statusCode === 204) {
        if(payload && payload.rows){
          return payload.rows
        }
        return payload;
      } else {
        //向外抛出错误
        throw new Error(res.data.message || '请求出错');
      }
}

export const useCommonSwr = (url) => {
  const { data, error } = useSWR(url, fetcher({ url }));
  return {
    data: data,
    isLoading: !error && !data,
    error: error
  }

}