import httputils from '@/utils/httputils'
import store from '@/store'
import menus from '@/data/menus'
import session from "@/framework/utils/storage"
import { MessageBox } from 'element-ui'

function toLogin() {
    let ssoServer = process.env.SSO_SERVER
    let redirectUrl = window.location.protocol + '//' + window.location.host
    console.log('tologin ', `${ssoServer}/login?redirectUrl=${redirectUrl}/auth`)
    window.location.href = `${ssoServer}/login?redirectUrl=${redirectUrl}/auth`
}

function checkMenu(menu, ps) {
    let result = { name: menu.name, icon: menu.icon, path: menu.path }
    if (menu.children) {
        // 如果有下级菜单权限,则自动拥有上级菜单权限
        result.children = []
        menu.children.forEach(child => {
            let submenu = checkMenu(child, ps)
            if (submenu) {
                result.children.push(submenu)
            }
        })
        return result.children.length > 0 ? result : null
    } else if (menu.opts) {
        return menu.opts.some(opt => ps[opt.permission]) ? result : null
    } else {
        // 如果没有下级菜单且没有opts属性, 菜单可以直接访问,不需要权限
        return result
    }
}

export default {
    /**
     *  路由守卫, 每次路由跳转时验证登录
     * @param {*} to
     * @param {*} from
     * @param {*} next
     */
    routerBeforeEach: async function(to, from, next) {
        console.log('router before ', to)
        if (to.path == '/auth' || to.path == '/nouser') {
            next()
        } else {
            let userInfo = store.getters['layout/userInfo']
            console.log("user info ", userInfo)
            if (!userInfo) {
                // 本地是未登录状态, 保存目标页面地址, 去登录
                let lastRoute = { path: to.path, params: to.params, query: to.query }
                store.commit('setLastRoute', lastRoute)
                toLogin()
            } else {
                if (to.meta.breadcrumbs) {
                    store.dispatch('setBreadcrumb', to.meta.breadcrumbs)
                }
                if(
                    (from.path == "/ledger/rentadd" && session.get("rentAddData") && session.get("rentAddData").length) ||
                    (from.path == "/ledger/cenoteadd" && session.get("cenoteAddData") && session.get("cenoteAddData").length) ||
                    (from.path == "/ledger/deviceadd" && session.get("deviceAddData") && session.get("deviceAddData").length) ||
                    (from.path == "/ledger/propertyadd" && session.get("propertyAddData") && session.get("propertyAddData").length) ||
                    (from.path == "/ledger/partsadd" && session.get("partsAddData") && session.get("partsAddData").length) ||
                    (from.path == "/ledger/systemadd" && session.get("systemAddData") && session.get("systemAddData").length)
                ) { //判断新增信息是否保存
                    MessageBox.confirm("新增信息未保存，离开将丢失新增信息，是否继续？", "提示", {
                        confirmButtonText: '确定',
                        cancelButtonText: '取消',
                        type: 'warning'
                    }).then(() => {
                        let arr = from.path.split("/")
                        let srt = arr[arr.length - 1].slice(0,-3)
                        session.remove(`${srt}AddData`)
                        next()
                    }).catch(() => {
                        next(false)
                    })
                } else {
                    next()
                }
            }
            return true
        }
    },
    toNoUser(){
        console.log(this)
        this.$router.replace('/nouser')
    },

    getMenus(permissions) {
        let result = []
        let allMenus = []
        // 开发环境下展示demo页面
        // if (process.env.NODE_ENV === 'development') {
        //     allMenus = menus.demoMenus
        // }
        allMenus = allMenus.concat(menus.menus)
        let ps = !permissions ? {} : permissions
        allMenus.forEach(item => {
            let menu = checkMenu(item, ps)
            if (menu) {
                result.push(menu)
            }
        })
        return result
    },

    toLogout() {
        // TODO
        store.commit('setSsoToken', null)
        let ssoServer = process.env.SSO_SERVER
        let redirectUrl = window.location.protocol + '//' + window.location.host + '/'
        window.location.href = `${ssoServer}/logout?redirectUrl=${redirectUrl}`
    },

    toLoginPage: toLogin
}