import axios from 'axios'
import { Notification, Message } from 'element-ui'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'

// 创建axios实例
const service = axios.create({
  // 开发环境使用空baseURL，让代理处理
  baseURL: process.env.NODE_ENV === 'development' ? '' : process.env.VUE_APP_BASE_API,
  timeout: 10000
})

// request拦截器
service.interceptors.request.use(config => {
  const isToken = (config.headers || {}).isToken === false
  
  if (getToken() && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + getToken()
  }
  
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    const code = res.data.code || 200
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    
    if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
      return res.data
    }
    
    if (code === 401) {
      Message({ 
        message: '认证失败，请确保已在若依系统登录', 
        type: 'error',
        duration: 5000 
      })
      return Promise.reject(new Error('认证失败'))
    } else if (code === 500) {
      console.log(res)
      Message({ message: msg, type: 'error' })
      return Promise.reject(new Error(msg))
    } else if (code === 601) {
      Message({ message: msg, type: 'warning' })
      return Promise.reject(new Error(msg))
    } else if (code !== 200) {
      Notification.error({ title: msg })
      return Promise.reject('error')
    } else {
      return Promise.resolve(res.data)
    }
  },
  error => {
    console.log('err' + error)
    let { message } = error
    if (message == "Network Error") {
      message = "后端接口连接异常"
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时"
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常"
    }
    Message({ message: message, type: 'error', duration: 5 * 1000 })
    return Promise.reject(error)
  }
)

export default service