import axios from 'axios'
import store from '@/store/'
import { serialize, logOutFun } from '@/utils/util'
import { getToken, removeToken, removeRefreshToken } from '@/utils/auth'

import { ElMessage } from 'element-plus'
let isErrorShown = false
let _retry = false
// 全局未授权错误提示状态，只提示一次
const { VITE_APP_API_XT, VITE_APP_ENV, VITE_APP_URL_XT } = import.meta.env
const serviceXT = axios.create({
	timeout: 600000,
	baseURL: VITE_APP_ENV === 'development' ? VITE_APP_API_XT : VITE_APP_URL_XT,
	//跨域请求，允许保存cookie
	withCredentials: false,
})


//http request拦截
serviceXT.interceptors.request.use(
	config => {
		const authorization = config.authorization === false
		const xtToken = store.state.user.xtToken
		if (xtToken && !authorization) {
			config.headers['Authorization'] = xtToken
		}
		const meta = config.meta || {}

		//headers中配置text请求
		if (config.text === true) {
			config.headers['Content-Type'] = 'text/plain'
		}
		//headers中配置serialize为true开启序列化
		if (config.method === 'post' && meta.isSerialize === true) {
			config.data = serialize(config.data)
		}
		return config
	},
	error => {
		return Promise.reject(error)
	}
)
//http response拦截
serviceXT.interceptors.response.use(
	res => {
		const status = res?.data?.code || res?.data?.error_code || res?.status
		const message = res?.data?.msg || res?.data?.message || '系统错误'

		// 如果是401并且已经重试过，直接跳转到登录页面
		if ((status === 401) && !_retry) {
			_retry = true
			// 首次报错时提示
			if (!isErrorShown) {
				isErrorShown = true
				ElMessage.error('用户令牌过期，请重新登录')
			}
			// 清除token信息
			removeToken()
			removeRefreshToken()
			// 重定向到登录页
			logOutFun().then(() => {
				isErrorShown = false
				_retry = false
			})
			return Promise.reject(new Error(message))
		}

		// 如果请求为非200默认统一处理
		if (status !== 200 && status !== 0) {
			ElMessage({ message: message, type: 'error', })
			return Promise.reject(new Error(message))
		}
		return res
	},
	error => {
		return Promise.reject(new Error(error))
	}
)
export default serviceXT