import router from './routers'
import store from '@/store'
import Config from '@/settings'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie
import { buildMenus } from '@/api/system/menu'
import { filterAsyncRouter } from '@/store/modules/permission'
import { decrypt } from '@/utils/jsencrypt'
NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/sso', '/meeting/queryMeeting'] // no redirect whitelist

router.beforeEach((to, from, next) => {
    if (to.meta.title) {
        document.title = to.meta.title + ' - ' + Config.title
    }
    NProgress.start()
    let url = window.location.hash
    if (url.indexOf("userNameSaaS") > 0 && url.indexOf("passWordSaaS") > 0) {
        if (store.getters.roles.length === 0) {
            let params = {
                username: undefined,
                password: undefined
            }
            let data = url.split("login?userNameSaaS=")[1].split("&passWordSaaS=")
            console.log(data)
            params.username = decrypt(decodeURIComponent(data[0]))
            params.password = decrypt(decodeURIComponent(data[1]))
            store.dispatch("Login", params).then((res) => {
                store.dispatch('GetInfo').then(() => {
                    loadMenus(next, to)
                })
            }).catch(() => {
                return
                //next()
            })
        } else {
            next()
        }
    } else {
        if (getToken()) {
            // 已登录且要跳转的页面是登录页
            if (to.path === '/login') {
                next({ path: '/' })
                NProgress.done()
            } else {
                if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
                    store.dispatch('GetInfo').then(() => { // 拉取user_info
                            // 动态路由，拉取菜单
                            loadMenus(next, to)
                        }).catch(() => {
                            store.dispatch('LogOut').then(() => {
                                location.reload() // 为了重新实例化vue-router对象 避免bug
                            })
                        })
                        // 登录时未拉取 菜单，在此处拉取
                } else if (store.getters.loadMenus) {
                    // 修改成false，防止死循环
                    store.dispatch('updateLoadMenus')
                    loadMenus(next, to)
                } else {
                    next()
                }
            }
        } else {
            /* has no token*/
            if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
                next()
            } else if (to.path === '/sso') {
                next()
            } else if (to.path === '/meeting/queryMeeting') {
                next()
            } else {
                next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
                NProgress.done()
            }
        }
    }

})

export const loadMenus = (next, to) => {
    buildMenus().then(res => {
        const sdata = JSON.parse(JSON.stringify(res))
        const rdata = JSON.parse(JSON.stringify(res))
        const sidebarRoutes = filterAsyncRouter(sdata)
        const rewriteRoutes = filterAsyncRouter(rdata, true)
        rewriteRoutes.push({ path: '*', redirect: '/404', hidden: true })

        store.dispatch('GenerateRoutes', rewriteRoutes).then(() => { // 存储路由
            router.addRoutes(rewriteRoutes) // 动态添加可访问路由表
            next({...to, replace: true })
        })
        store.dispatch('SetSidebarRouters', sidebarRoutes)
    })
}

router.afterEach(() => {
    NProgress.done() // finish progress bar
})