import axios from 'axios'
import { Message } from 'element-ui'
import config from '@/conf/config'
import { getHeader } from './header'

// 创建axios实例
const service = axios.create({
  baseURL: config.baseApi, // 基础URL
  timeout: config.apiTimeout // 请求超时时间
})


// 请求拦截器
service.interceptors.request.use(
  config => {
    let _header = getHeader();
    // 在发送请求之前做些什么
    config.headers['Content-Type'] = 'application/json'
    config.headers['Accept'] = 'application/json'
    config.headers['app-id'] = _header['app-id']
    config.headers['TRANSACTION-ID'] = _header['TRANSACTION-ID']
    config.headers['REQ-TIME'] =  _header['REQ-TIME']
    config.headers['SIGN'] =  _header['SIGN']
    config.headers['user-id'] =  _header['user-id']
    config.headers['X-Requested-With'] = 'XMLHttpRequest'
    // 这里可以添加token等认证信息
    config.headers['Authorization'] = _header['Authorization']
    if(config.url.indexOf('/app/') == -1 && config.url.indexOf('/callComponent/') == -1){
      config.baseURL = "/app"
    }
    return config
  },
  error => {
    console.log(error)
    return Promise.reject(error)
  }
)

// 响应拦截器
service.interceptors.response.use(
  response => {
    const res = response.data

    if (res.code && res.code != 0) {
      Message({
        message: res.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return response
    }
  },
  error => {
    console.log(error)
    
    // 判断是否为401未授权错误
    if (error.response && error.response.status === 401) {
      // 清除本地存储的token
      localStorage.removeItem('token')
      // 跳转到登录页面
      window.location.href = '/#/views/user/login'
      
      Message({
        message: '登录已过期，请重新登录',
        type: 'error',
        duration: 5 * 1000
      })
    }
   
    return Promise.reject(error)
  }
)

export default service