import axios from 'axios'
import store from '@/store'
import router from '../router'
import Vue from 'vue'

let vue = new Vue()
// import qs from 'qs'
const exceptUrls = ['/sso/user/logout', '/sso/user/sendUserInfo', '/user/order/queryOrderStatus', '/user/checkToken']
// axios.defaults.baseURL = process.env.NODE_ENV === 'development' ? 'https://test.4dkankan.com/api' : '/api'
axios.defaults.baseURL = process.env.NODE_ENV === 'development' ? '/api' : '/api'

// axios.defaults.baseURL = process.env.NODE_ENV === 'development' ? 'http://192.168.0.207:8087/api' : '/api'
// 请求超时时限
axios.defaults.timeout = 1500000
// 请求次数
axios.defaults.retry = 2
// 请求的间隙
axios.defaults.retryDelay = 1000

// 拦截请求，做登陆，或head处理
axios.interceptors.request.use(function (config) {
  if (config.method === 'post') {
    config.data = {
      ...config.data
    }
    // config.data = qs.stringify(config.data)
  } else if (config.method === 'get') {
    config.params = {
      rnd: Math.random(),
      ...config.params
    }
    // config.params = qs.stringify(config.params)
  }

  for (let i = 0; i < exceptUrls.length; i++) {
    let url = exceptUrls[i]

    if (config.url === url) {
      return config
    }
  }

  if (store.state.user.token) {
    config.headers = {
      token: store.state.user.token
    }
  }
  // vue.$toast.showLoading()
  vue.$toast.showLoading()
  return config
}, function (error) {
  // 对请求错误做些什么
  return Promise.reject(error)
})
// // 拦截返回，做错误统一处理
axios.interceptors.response.use(
  response => {
    vue.$toast.hideLoading()
    let code = Number(response.data.code)
    for (let i = 0; i < exceptUrls.length; i++) {
      let url = response.config.baseURL + exceptUrls[i]
      if (response.config.url === url) {
        return response
      }
    }
    switch (code) {
      case 3004:
        let msg = localStorage.getItem('language') === 'en' ? 'Please re-log in.' : '请重新登录'
        store.state.user.token && vue.$toast.show('warn', msg, async () => {
          await store.dispatch('logout')
          router.push('/login/login')
        })
        break
      default:
        break
    }
    return response
  },
  error => {
  // 请求超时的之后，抛出 error.code = ECONNABORTED的错误..错误信息是 timeout of  xxx ms exceeded
    let err = localStorage.getItem('language') === 'en' ? 'Network request failed' : '网络请求失败'

    if (error.code === 'ECONNABORTED' && error.message.indexOf('timeout') !== -1) {
      var config = error.config
      config.__retryCount = config.__retryCount || 0

      if (config.__retryCount >= config.retry) {
        // Reject with the error
        // window.location.reload();
        vue.$toast.show('error', err, function () {
          vue.$toast.hideLoading()
        })
        return Promise.reject(error)
      }

      // Increase the retry count
      config.__retryCount += 1

      // Create new promise to handle exponential backoff
      var backoff = new Promise(function (resolve) {
        setTimeout(function () {
          resolve()
        }, config.retryDelay || 1)
      })

      return backoff.then(function () {
        return axios(config)
      })
    } else {
      vue.$toast.show('error', err, function () {
        vue.$toast.hideLoading()
      })
      return Promise.reject(error)
    }
  }
)

export default axios