import config from "@/config";

export default function request ( { 
  url = '', 
  method = 'GET', 
  data = {}, 
  showLoading = false, 
  header = {} 
} ) {
  // console.log('我是request的参数', url, method, data, showLoading, header);
  
  if (showLoading) uni.showLoading({title: '加载中'})
  const token = uni.getStorageSync('token')
  if (token) {
    header['X-Access-Token'] = token
  }
  return new Promise((resolve, reject) => {
    uni.request({
      url: config.baseURL + url,
      method,
      data,
      header: {
        'Content-Type': 'application/x-www-form-urlencoded',
        ...header
      },
      success: (res) => {
        console.log(`Success ${method} ${url}`, res);

        // 处理HTTP状态码错误
        if (res.statusCode !== 200){
          const error = {
            code: res.statusCode,
            message: '网络请求错误'
          }

          switch (res.statusCode) {
            case 401:
            case 403:
              uni.removeStorageSync('token')
              uni.reLaunch({ url: '/subPages/login/login' })
              error.message = '登录已过期，请重新登录'
              break;
            case 404:
              error.message = '资源不存在'
              break;
            case 500: 
              error.message = '服务器错误'
          }

          uni.showToast({
            title: error.message,
            icon: 'none'
          })

          reject(error) 
          return
        }

        if (res.data.code === 200 && res.data.result !== null) {
          resolve(res.data) // 成功返回数据
        } else {
          const errorMsg = res.data.message || '请求失败'

          uni.showToast({
            title: errorMsg,
            icon: 'none'
          })

          reject({
            code: res.data.code,
            message: errorMsg,
            data: res.data
          })
        }
      },
      fail: (err) => {
        console.log(`Fail ${method} ${url}`, err);
        const errorMsg = err.errMsg || '请求失败'

        uni.showToast({
          title: errorMsg,
          icon: 'none'
        })

        reject({
          code: -1,
          message: errorMsg,
          data: err
        })
      },
      complete: () => {
        if (showLoading) {
          uni.hideLoading()
        }
      }
    })
  })
}