import store from '@/store'
import { getToken } from '@/utils/token'
import { setNodeId, getNodeId } from '@/utils/nodeId'
import { getLongRandom } from '@/utils/nineTool';
import errorCode from '@/utils/errorCode'
import { getSessionCache, setSessionCache } from '@/utils/cache'
import { toast, showConfirm, tansParams } from '@/utils/requestTool'

let timeout = 10000
const baseUrl = import.meta.env.VITE_APP_BASE_URL

const request = config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
	// 是否需要防止数据重复提交
  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
  config.header = config.header || {}
  if (getToken() && !isToken) {
    config.header['Authorization'] = 'Vrapile ' + getToken()
  }
  
  // 节点
  let nodeId = getNodeId();
  if(!nodeId){
    nodeId = getLongRandom(24);
    setNodeId(nodeId);
  }
  config.header["platform"] = getApp().globalData.appId;
  config.header["terminal"] = getApp().globalData.terminal;
  config.header["nodeId"] = nodeId;
  
  // get请求映射params参数
  if (config.params) {
    let url = config.url + '?' + tansParams(config.params)
    url = url.slice(0, -1)
    config.url = url
  }
	if (!isRepeatSubmit) {
		const requestObj = {
			url: config.url,
			data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
			time: new Date().getTime()
		}
		const sessionObj = getSessionCache()
		if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
			setSessionCache(requestObj)
		} else {
			const s_url = sessionObj.url;                // 请求地址
			const s_data = sessionObj.data;              // 请求数据
			const s_time = sessionObj.time;              // 请求时间
			const interval = 1000;                       // 间隔时间(ms)，小于此时间视为重复提交
			if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
				const message = '数据正在处理，请勿重复提交:' + s_url;
				console.warn(`[${s_url}]: ` + message)
				return Promise.reject(new Error(message))
			} else {
				setSessionCache(requestObj)
			}
		}
	}
  return new Promise((resolve, reject) => {
    uni.request({
			method: config.method || 'get',
			timeout: config.timeout ||  timeout,
			url: config.baseUrl || baseUrl + config.url,
			data: config.data,
			header: config.header,
			dataType: 'json'
		}).then(res => {
			// let [error, res] = response
			const code = res.data.code || res.data.status || 200
			const msg = errorCode[code] || res.data.msg || errorCode['default']
			// if (code != 200) {
			// 	toast('后端接口连接异常')
			// 	reject('后端接口连接异常')
			// 	return
			// }
			if (code === 401) {
				// 密码登录的，实现自动重新登录
				let loginInfo = store.state.user.loginInfo;
				if(loginInfo && loginInfo.loginType == 0){
					store.dispatch('Login', {
						loginType: loginInfo.loginType,
						userName: loginInfo.userName,
						password: loginInfo.password,
						registerFlag: "N"
					}).then(() => {
						store.dispatch('GetInfo');
					})
					reject('无效的会话，或者会话已过期，已重新登录。')
				}else{
					showConfirm('登录状态已过期，您可以继续留在该页面，或者重新登录?').then(res => {
						if (res.confirm) {
							uni.reLaunch({ url: '/pages/user/login' })
						}
					})
					reject('无效的会话，或者会话已过期，请重新登录。')
				}
			} else if (code === 500) {
				toast(msg)
				reject(res)
			} else if (code !== 200) {
				toast(msg)
				reject(res)
			}
			resolve(res.data)
		}).catch(error => {
			let { message } = error
			if (message && message === 'Network Error') {
				message = '后端接口连接异常'
			} else if (message && message.includes('timeout')) {
				message = '系统接口请求超时'
			} else if (message && message.includes('Request failed with status code')) {
				message = '系统接口' + message.substr(message.length - 3) + '异常'
			}else{
				message = '系统繁忙'
			}
			toast(message)
			reject(error)
		})
  })
}

export default request