interface IGlobalParams {
  gUrl: string
  version: string
}

export const request = function (
  { gUrl, version }: IGlobalParams,
  {
    url,
    method,
    data,
    header,
    showMsg = true,
    loading = false,
    loadingText = '加载中...',
    isJSON = false,
    ...options
  }: IAgaxParams,
): Promise<any> {
  return new Promise((resolve, reject) => {
    if (loading) {
      wx.showLoading({
        title: loadingText,
        mask: true,
      })
    }
    wx.request({
      header: {
        loginState: getApp().globalData.loginState,
        ...header,
      },
      url: gUrl + url,
      method,
      data: {
        loginState: getApp().globalData.loginState,
        ...(data as object),
      },
      ...options,
      success(res: any) {
        const { code, data } = res.data
        if (isJSON) {
          resolve(res.data)
        } else if (code === 0) {
          resolve(data)
        } else if (showMsg) {
          const msg = errPicker(res.data)
          if (loading) {
            setTimeout(() => {
              wx.showToast({
                title: msg,
                icon: 'none',
              })
            }, 30)
          } else {
            wx.showToast({
              title: msg,
              icon: 'none',
            })
            reject(res)
          }
        } else {
          reject(res)
        }
      },
      fail(err) {
        reject(err)
      },
      complete() {
        if (loading) {
          wx.hideLoading()
        }
      },
    })
  })
}

function errPicker(err) {
  if (typeof err === 'string') {
    return err
  }
  return err.data || err.msg || err.errMsg || (err.detail && err.detail.errMsg) || '未知错误'
}