let tree = new Map([
    [
        {
            "name": "用户管理",
            "path": "/user",
            "icon": "icon"
        },
        [
            {
                "name": "查询登陆日志",
                "path": "/user/查询登陆日志",
                "icon": "icon"
            },
            {
                "name": "查询观看日志",
                "path": "/user/查询观看日志",
                "icon": "icon"
            },
        ]
    ],
    [
        {
            "name": "管理员",
            "path": "/admin",
            "icon": "icon"
        },
        [
            {
                "name": "查询登陆日志",
                "path": "/admin/查询登陆日志",
                "icon": "icon"
            },
            {
                "name": "查询权限",
                "path": "/admin/查询权限",
                "icon": "icon"
            },
        ]
    ],
    [
        {
            "name": "查询权限",
            "path": "/admin/查询权限",
            "icon": "icon"
        },
        [
            {
                "name": "修改",
                "path": "/admin/查询权限/修改",
                "icon": "icon"
            },
            {
                "name": "插入",
                "path": "/admin/查询权限/插入",
                "icon": "icon"
            },
        ]
    ]
]);

let coll = "auth_menu"
const MongoClient = require('mongodb').MongoClient;
let dburl = "mongodb://192.168.1.249:27017,192.168.1.249:27018,192.168.1.249:27019/video?replicaSet=mongoRepl&maxPoolSize=200&connectTimeout=30";

MongoClient.connect(dburl, {useUnifiedTopology: true, useNewUrlParser: true}, (err, db) => {
    if (err) {
        console.log('数据库连接失败！');
        return;
    }
    ;

    let videoDB = db.db("video");
    let ps = Array.from(tree.keys()).map(key => {
        return new Promise(function (resolve, rejcet) {
            videoDB.collection(coll).findOneAndUpdate(
                {path: key.path},
                {$set: key},
                {
                    upsert: true,
                    new: true
                },
                (err, result) => {
                    if (err) {
                        rejcet('数据更新失败' + err)
                        return
                    }
                    ;
                    resolve({id: result.value._id, array: tree.get(key)})
                });
        })
    })

    Promise.all(ps).then(pairs => {
        let pss = pairs.map(pair => {
            let ps = pair.array.map(e => {
                return new Promise(function (resolve, rejcet) {
                    videoDB.collection(coll).updateOne({path: e.path},
                        {$set: {parent: pair.id, ...e}},
                        {upsert: true},
                        (err, result) => {
                            if (err) {
                                rejcet('数据插入失败！' + err)
                                return
                            }
                            ;
                            resolve()
                        });
                })
            })
            return ps
        })
        pArry = pss.reduce((a, c) => {
            return a.concat(a, c)
        }, [])
        return Promise.all(pArry)
    }).then(() => {
        console.log('完成!');
        db.close()
    }).catch(err => {
        console.log(err);
        db.close()
    })
})