import axios from 'axios'

export default {
  install (Vue) {
    const http = axios.create({
      baseURL: process.env.API_URL.default,
      timeout: 60000,
    })

    http.interceptors.request.use(
      config => {
        const [ url, version ] = config.url.split(':').reverse()
        if (version) {
          config.baseURL = process.env.API_URL[version]
          config.url = url
        }

        const token = window.localStorage.getItem('token')
        if (token) config.headers['Authorization'] = token
        return config
      },
      error => {
        return Promise.reject(error)
      }
    )

    http.interceptors.response.use(
      response => {
        const { status, data } = response
        const errorTypes = {
          401: 'GLOBAL_AUTH_ERROR',
          500: 'GLOBAL_ERROR',
        }

        if (data.code in errorTypes) {
          const errorData = { status, message: data.message }
          Vue.hub.$emit(errorTypes[data.code], errorData)
          return Promise.reject(errorData)
        }
        return data
      },
      error => {
        // console.log(JSON.parse(JSON.stringify(error)))
        const errorData = { message: '网络超时，请重试' }
        if (error.response) {
          errorData.status = error.response.status
          errorData.message = error.response.data.message
        }
        Vue.hub.$emit('GLOBAL_ERROR', errorData)
        return Promise.reject(errorData)
      }
    )

    Vue.prototype.$http = http
    Vue.http = http
  },
}