import store from '../store'
import setting from '@/setting.js';
let timer

export default vm => {
    // 初始化请求配置
    uni.$u.http.setConfig((config) => {
        /* config 为默认全局配置*/
		config.timeout = 5000
        config.baseURL = setting.fetchUrl;			
        return config
    })
	
	// 请求拦截
	uni.$u.http.interceptors.request.use(config => {
		const token = store.state.user.token
	    if (token) {
			config.header.Authorization = 'Bearer ' + token
		}
	    return config
	}, config => {
	    return Promise.reject(config)
	})
	
	// 响应拦截
	uni.$u.http.interceptors.response.use(response => {
		const res = response.data || response
		const code = res.code || res.statusCode 
		const { msg } = res
		
		if (code === 401) {					// token 失效
			if (!timer) {
				uni.showToast({
					icon: 'none',
					title: '用户信息已失效，请重新登录',
					position: 'bottom'
				})
				timer = setTimeout(async () => {
					try {
						await store.dispatch('userFadeOut')
					}
					finally {
						uni.$u.route({
							type: 'reLaunch',
							url: 'pages/login/index'
						})
						timer = null
					}
				}, 1500)
			}
			return Promise.reject('401 error') 
		}
		
		if (code === 403) {
			const errMsg = '无授权，请联系管理员'
			uni.showToast({
				icon: 'none',
				title: errMsg,
				position: 'bottom'
			})
			return Promise.reject(errMsg)
		}
		
		if (code !== 200) {
			const errMsg = msg || 'unknown exception'
			uni.showToast({
				icon: 'none',
				title: errMsg,
				position: 'bottom'
			})
			return Promise.reject(errMsg)
		}
		return res
	}, response => {
		// const res = response.data || response
		// const code = res.code || res.statusCode ||res.status
		// const { msg } = res
		// console.log(response);
		let { errMsg } = response;
		if (errMsg == "Network Error") {
		  errMsg = "后端接口连接异常";
		}
		else if (errMsg.includes("timeout")) {
		  errMsg = "系统接口请求超时";
		}
		else if (errMsg.includes("Request failed with status code")) {
		  errMsg = "系统接口" + errMsg.substr(errMsg.length - 3) + "异常";
		}
		uni.showToast({
			icon: 'none',
			title: errMsg,
			position: 'bottom'
		})
		return Promise.reject(response)
		// if(code === 403){
		// 	uni.showToast({
		// 		icon: 'none',
		// 		title: '重复登录',
		// 		position: 'bottom'
		// 	})
		// }else{
		// 	uni.showToast({
		// 		icon: 'none',
		// 		title: 'unknown exception',
		// 		position: 'bottom'
		// 	})
		// }
		// return Promise.reject(response)
	})
}