// 封装请求


import config from './config.js'
import store from '@/store'
import {
	getToken
} from "./common.js"

// 请求域名
const baseUrl = process.env.NODE_ENV === 'development' ? config.devBaseUrl : config.proBaseUrl
// const baseUrl = config.baseUrl

let LoginFailure = false
// 存储请求信息，当接口正在请求中，不会进行下一次接口请求
const pending = {}

// 处理请求成功
const isHttpSuccess = (stauts) => {
	return stauts >= 200 && stauts < 300
}

// 处理请求错误
const errorHandle = (res) => {
	// 日志处理  全局错误提示
	if (res && res.statusCode !== 200) {
		// 浏览器错误
		uni.showToast({
			title: '系统错误，请联系管理员',
			icon: 'none',
			duration: 2000
		})
	} else {
		// console.log('errorHandle1', res)
		// 服务器错误
		uni.showToast({
			title: res.data.msg || '系统错误，请联系管理员',
			icon: 'none',
			duration: 2000
		})
	}

}

export const request = async (opt = {}) => {
	// 考虑与uniapp的接口进行兼容 

	let headers = {
		"Content-Type": "application/x-www-form-urlencoded"
	}
	const token = getToken();
	if (token) {
		headers['authorization'] = token;
	}
	
	const {
		data,
		success,
		fail
	} = opt

	// pending 中的键名
	const key = opt.url + '&' + (opt.method || 'GET')

	// 处理请求地址
	opt.url = baseUrl + opt.url

	// 处理公共参数

	opt.data = data

	opt.timeout = 5000 // 请求超时时间

	opt.header = headers
	 
	const result = new Promise((resolve, reject) => {
		const handler = uni.request(Object.assign({}, opt, {
			success: (res) => {
				const data = res.data;
				delete pending[key]
				if (data.type === 'ok') {
					resolve(data.message)
				}else if (data.type === '999') {
					if(!LoginFailure){
						LoginFailure = true
						// 未登录
						store.commit('app/SET_TOKEN' , '');
						uni.reLaunch({
							url:'/pages/login/index',
							complete:() => {
								LoginFailure = false
							}
						})
					}
					
				} else { 
					uni.showToast({
						icon: 'none',
						title: data.message || '系统错误'
					})
					reject(data)
				}

			},
			fail: (e) => {
				// uni.showToast({
				// 	icon: 'none',
				// 	title: '系统错误'
				// })
				reject()
			},
			complete: () => {
				setTimeout(() => {
					uni.hideLoading()
				},1000)
			}
		}))
		if (pending[key]) {
			// 中断请求
			pending[key].abort()
		}
		// setTimeout 让pending[key].abort()执行完成后在存值
		setTimeout(() => {
			pending[key] = handler
		}, 0)
	})
	return result
}


export const axios = {
	get(url, data, options = {}) {
		return request({
			url,
			data,
			method: 'GET',
			...options
		})
	},
	post(url, data, options = {}) {
		return request({
			url,
			data,
			method: 'POST',
			...options
		})
	},
	getDow(url, data, options = {}) {
		// console.log('getDow' , options)
		return request({
			url,
			data,
			method: 'GET',
			...options
		})
	},
}