import axios from 'axios'
import { Message } from 'element-ui'

const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_URL,
  withCredentials: false,
  timeout: 30000
})

// 请求拦截
service.interceptors.request.use(
  config => {
    const token = sessionStorage.getItem('token')
    if (token) {
      config.headers.Authorization = token
    }
    return config
  },
  error => {
    return Promise.reject(error)
  }
)

// 响应拦截
service.interceptors.response.use(
  response => {
    if (!response) {
      return
    }
    const res = response

    if (res.data.code === 200 || res.data.status === 'OK') {
      if (!res.data.data) {
        return Promise.resolve(res.data)
      }
      return Promise.resolve(res.data.data)
    } else {
      if (res.data.code === 401) {
        sessionStorage.clear()
        window.location.replace('/')
      }
      if (res.data.code === 500) {
        return Promise.reject(res.data.msg || '服务器错误')
      }
      Message({
        message: res.data.msg || '服务器错误',
        type: 'error',
        duration: 2000
      })
      return Promise.reject(res.data.data)
    }
  },
  error => {
    Message({
      message: error.message,
      type: 'error',
      duration: 5000
    })
    return Promise.reject(error)
  }
)

export default service