import store from "@/store/index.js";
import utils from '@/utils/utils.js'
import functions from '@/utils/functions.js'
import {
	host,
	APPKEY
} from "@/config/host";
import base64 from '@/utils/base64.js';
import {
	hexMD5
} from '@/utils/md5.js'
import {
	nextTick
} from 'vue';

/**
 * 刷新token
 */
const HandleRefreshToken = (header, urlhd, refresh_token, user) => {
	_isRefreshToken._isRefreshToken = new Promise((resolve, reject) => {
		console.log('user :>> ', user);
		const data = {
			"grant_type": 'refresh_token',
			'scope': 'all',
			"refresh_token": user.refresh_token,
			// "refresh_token": 123,
			'tenantId': user.tenant_id
		}
		header['Content-Type'] = 'application/x-www-form-urlencoded'
		header['Tenant-Id'] = user.tenant_id
		uni.request({
			url: urlhd + `blade-auth/oauth/token`,
			data,
			method: 'post',
			header
		}).then((res) => {
			console.log('请求res :>> ', res);
			// 请求成功
			if (res.statusCode === 200) {
				const userinfo = res.data
				uni.setStorageSync('access_token', userinfo.access_token)
				uni.setStorageSync('refresh_token', userinfo.refresh_token)
				uni.setStorageSync('userinfo', userinfo)
				resolve(res)
			} else {
				// 刷新token失败, 退出登录
				uni.reLaunch({
					url: '/pages/login/login'
				})
				const res = uni.getStorageInfoSync();
				res.keys.map(item => {
					if (item == 'loginuser' || item == 'HistoryDate' || item == 'setip' || item ==
						'checkname' || item.indexOf('IMAGE_CACHE_INFO') != -1) {
						return
					}
					uni.removeStorageSync(item)
				})
				uni.reLaunch({
					url: '/pages/login/login'
				})
				requestObj = {}
				_isRefreshToken._isRefreshToken = null
				functions.error('请登录')
				reject({
					code: 4000
				})
			}

		}).catch((err) => {
			// 刷新token失败, 退出登录
			uni.reLaunch({
				url: '/pages/login/login'
			})
			const res = uni.getStorageInfoSync();
			res.keys.map(item => {
				if (item == 'loginuser' || item == 'HistoryDate' || item == 'setip' || item ==
					'checkname' || item.indexOf('IMAGE_CACHE_INFO') != -1) {
					return
				}
				uni.removeStorageSync(item)
			})
			uni.reLaunch({
				url: '/pages/login/login'
			})
			requestObj = {}
			_isRefreshToken._isRefreshToken = null
			functions.error('请登录')
			reject(err)
		})
	})
	return _isRefreshToken._isRefreshToken
}

/**
 * 请求函数
 */
const HandleRequest = (params, key, loadingObj) => {
	return new Promise(async (relove, reject) => {
		let refresh_token = uni.getStorageSync('refresh_token')
		let token = uni.getStorageSync('access_token')
		let user = uni.getStorageSync('userinfo')
		let header = {};
		if (user && token && refresh_token) {
			store.commit('updateislog', true)
			store.commit('updaterftk', refresh_token)
			store.commit('updatetk', token)
			store.commit('updatauser', user)
			header['Blade-Auth'] = `bearer ${store.state.access_token}`
		} else {
			if (!token && params.url.indexOf('oauth/token') == -1) {

			}
		}
		header.Authorization = `Basic ${base64.encode(APPKEY)}`

		// return
		if (params.url.indexOf('blade-auth/oauth/token') != -1) {
			header['Content-Type'] = 'application/x-www-form-urlencoded'
			header['Tenant-Id'] = params.data.tenantId
			// 登录请求时, 加密密码
			if (params.data.password) params.data.password = hexMD5(params.data.password)
		}
		let content = ''
		if (loadingObj.title) content = loadingObj.title

		// 开启loading
		if (loadingObj.isShowLoading !== false) uni.showLoading({
			title: content,
			mask: true
		})
		let urlhd = ''
		if (uni.getStorageSync('setip')) {
			urlhd = uni.getStorageSync('setip')
		} else {
			urlhd = host
		}

		let version = ''
		if (!version) {
			// #ifdef APP
			version = await utils.getversion()
			version = version.version
			// #endif
		}

		let submitData = {
			url: urlhd + params.url,
			data: params.data,
			method: params.method,
			header
		}
		// 当程序在app上运行时, 带上版本号
		// #ifdef APP
		submitData = {
			url: urlhd + params.url,
			data: {
				...params.data,
				version
			},
			method: params.method,
			// dataType: "json",
			header
		}
		// #endif

		const request = uni.request(submitData)

		request.then(res => {
			// console.log(res);
			console.log('请求res :>> ', res);
			if (res.statusCode == 200) {

				let data = res.data;
				// #ifdef APP
				utils.ttsspke(data.audio || '')
				// #endif
				if (data.code != 200 && data?.msg) {
					uni.showToast({
						title: data?.msg || '',
						icon: 'none'
					})
				} else if (data.audio) {
					uni.showToast({
						title: data.msg,
						icon: 'none'
					})
				}

				// 请求成功, 删除请求记录
				delete requestObj[key]

				switch (data.code) {
					case 200:
						relove(data);
						break;
					case 203:
						relove(data);
						break;
					default:
						relove(data);
						break;
				}

			} else {
				if (res.statusCode == 400) {
					delete requestObj[key]
					relove({});
					return
				} else if (res.statusCode == 500) {
					delete requestObj[key]
					functions.error('接口出错，请联系后端开发人员')
					// #ifdef APP
					utils.ttsspke('接口出错，请联系后端开发人员')
					// #endif
					return
				} else if (res.statusCode == 401) {
					// 登录失败时
					if (isLogin) {
						return uni.showToast({
							title: "登录失败",
							icon: 'none'
						})
					}

					// 当token在刷新时, 等待
					if (_isRefreshToken._isRefreshToken) {
						_isRefreshToken._isRefreshToken.then(() => {
							// 递归重新请求
							HandleRequest(requestObj[key], key, loadingObj).then((res) => {
								relove(res)
							})
						})
					} else {
						console.log('header :>> ', header);
						// 发起刷新请求
						const refreshFn = HandleRefreshToken(header, urlhd, refresh_token, user)
						refreshFn.then(res => {
							// 递归重新请求
							HandleRequest(requestObj[key], key, loadingObj).then((res) => {
								relove(res)
							})
						}).catch(() => {

						}).finally(() => {
							// 关闭刷新token状态
							_isRefreshToken._isRefreshToken = null
						})
					}
				} else {
					delete requestObj[key]
					functions.error('连接服务器失败')
					// #ifdef APP
					utils.ttsspke('连接服务器失败')
					// #endif
				}
			}
		}).catch(async err => {
			console.log(err);
			// uni.reLaunch({
			// 	url: '/pages/index/index'
			// })
			delete requestObj[key]
			functions.error('请检查是否连接到无线网络')
			// #ifdef APP
			utils.ttsspke('请检查是否连接到无线网络')
			// #endif
		}).finally(async res => {
			await nextTick()
			uni.hideLoading()
		})

	})
}

/**
 * 存储请求
 */
let requestObj = {}

/**
 * 是否正在进行刷新token
 */
let _isRefreshToken = {
	_isRefreshToken: null
}

let isLogin = false

const service = async (params, loadingObj) => {
	if (params.data.isLogin) {
		isLogin = true
		delete params.data.isLogin
	} else isLogin = false
	console.log('params :>> ', params);
	const _key = params.url + JSON.stringify(params.data)
	// 防止重复请求
	if (requestObj[_key]) return new Promise(resolve => resolve({
		code: 4000
	}))
	// 记录请求参数
	requestObj[_key] = params
	// 如果正在刷新token则不请求, 等token刷新成功后再请求
	console.log('_isRefreshToken :>> ', _isRefreshToken);
	if (_isRefreshToken._isRefreshToken) {
		await _isRefreshToken._isRefreshToken
		return HandleRequest(params, _key, loadingObj)

	} else return HandleRequest(params, _key, loadingObj)
}
export default service;