var express = require('express')
var path = require("path");
var mysql = require('mysql')
//var alert = require('alert')
//var router = express.Router()
var app = express()
const {get} = require('http')
const multer = require('multer')
var childProcess = require('child_process')
const bodyParser = require('body-parser')
const fs = require('fs') 
//const document = require('document')
var jsdom = require("jsdom");
const { NULL } = require('mysql/lib/protocol/constants/types');
var JSDOM = jsdom.JSDOM;
var document = new JSDOM().window.document;
var execSync = require("child_process").execSync;
var sys = require('sys');
//var exec = require('child_process').exec
//const  cp  = require('child_process');
var session = require("express-session");
var FileStore = require('session-file-store')(session);
var identityKey = 'skey';
app.use(
    session({
        name: identityKey,
        secret: "jhh",  
        store: new FileStore(),        //加密存储
        resave: false,          //客户端并行请求是否覆盖
        saveUninitialized: true, //初始化session存储
        cookie: {
            maxAge: 1000*60*10 // 这一条 是控制 sessionID 的过期时间的！！！
          },
    })
);
app.use(express.json()) 
app.use(express.urlencoded({ extended: true }))
app.use(express.static('./'))
/**
 * 配置MySql
 */
var connection = mysql.createConnection({
    host     : '192.168.43.65',
    user     : 'root',
    password : '427318Aa',
    database : 'test',
    port:'3306'
});
connection.connect();
app.use('/public', express.static('public')); // 设置静态文件的中间件
app.use(bodyParser.urlencoded({ extended: false })); // 判断请求体是不是json，不是的话把请求体转化为对象
app.use(multer({ dest: 'tmp/' }).array('file'));//multer中间件用于上传表单型数据，基本属性为dest，会添加file对象到request对象中，包含对象表单上传的文件信息
app.get('/',function (req,res) {
    res.sendfile(__dirname  + "/login.html" );
})
/*app.get('/',function(req,res){
    res.sendFile(path.join(__dirname,"/login.html"))
    //_dirname:当前文件的路径，path.join():合并路径
}) 
/**
 * 实现登录验证功能
 */
var ppcookie = ''
var ppname = ''
var pppwd = ''
app.get('/login', function (req, res) {
    var response = {
        "name":req.query.name,
        "password":req.query.pwd,
    };
    /*var selectSQL = "select * from UserInfoTest where User_Name = '" + name + "' and User_Password = '" + password + "'";*/
    var selectSQL = "select uname,pwd from user where uname = '" + req.query.name + "' and pwd = '" + req.query.pwd + "'";
    connection.query(selectSQL, function (err, result) {
        if (err) {
            console.log('[login ERROR] - ', err.message);
            return;
        }
        if (result == '') {
            console.log("帐号密码错误");
            res.end("The account does not exist or the password is wrong!");
        }
        else {
            console.log(result);
            console.log("OK"+'123');
            ppname = req.query.name
            pppwd = req.query.pwd
           // res.redirect("/public/" + "ok1.html")
        //    dummy = childProcess.spawn('python' ,['./tmp.py'] ,{cwd: path.resolve(__dirname, './')})
            const ls = childProcess.spawn('python3' ,['./connect.py', '--ip','192.168.43.241', '--port','7777','login','--user',req.query.name,'--password',req.query.pwd],{cwd: path.resolve(__dirname, './')})
            ls.stdout.on('data', function (data){
                //console.log('sdjfksjdfklajklfdjalkjfklda')
                //req.session.cookie = data.toString().trim();
                var sess = req.session;
			    sess.regenerate(function(err){ //添加session信息
				req.session.name =  data.toString().trim();
                req.session.user =  req.query.name;
                req.session.pwd = req.query.pwd;
            })
                var a = data.toString()
                a = a.trim()
                ppcookie = a
                console.log(ppcookie);
                var start = new Date();
                setTimeout(function(){
                    console.log(req.session.name);
                    console.log(req.session.user);
                    console.log(req.session.pwd);
                    res.redirect("/public/" + "ok1.html")
                },2000)
               // console.log(a[]);
            })
            //execute('python tmp.py')
           // execute('python connect.py --ip 10.129.16.173 --port 7777 login --user wufayuan --password 113818');
          /* const ls = childProcess.spawn('python3' ,['connect.py', '--ip','192.168.43.241', '--port','7777','login','--user','wufayuan','--password','113818'],{cwd: path.resolve(__dirname, './')
            })
            ls.stdout.on('data', function(data){
                sys.print(data);
            });
            ls.stderr.on('data', (data) => {
                console.error(`stderr: ${data}`);
            });*/
        }
    });
    console.log(response);
})

    /**connection.query(selectSQL,function (err,rs) {
        if (err) throw  err;
        console.log(rs);
        console.log('OK');
        res.sendfile(__dirname + "/public/" + "ok.html" );
    })
})**/
 
app.get('/register.html',function (req,res) {
    res.sendfile(__dirname+"/lndex.html");
})
 
/**
 * 实现注册功能
 */
app.get('/register',function (req,res) {
    var  name=req.query.name;
    var pwd = req.query.pwd;
    var selectSQL = "select uname,pwd from user where uname = '" + req.query.name+"'";
    connection.query(selectSQL, function (err, result) {
        if (err) {
            console.log('[login ERROR] - ', err.message);
            return;
        }
        if (result.length) {
            res.send("The account exist!");
        }
        else {
            var user = { uname: name, pwd: pwd ,finame:NULL,email:NULL,phone:NULL};
            connection.query('insert into user set ?', user, function (err, rs) {
            //    if (err) throw err;
                console.log('ok');
                res.redirect('login.html');
                const ls = childProcess.spawn('python3' ,['./connect.py', '--ip','192.168.43.241', '--port','7777','register','--user',name,'--password',pwd],{cwd: path.resolve(__dirname, './')
            })
                
            })
        }
    })
})

app.get('/ok1.html',function (req,res) {
    res.redirect("/public/"+"ok1.html");
})



/*var  server=app.listen(3300,function () {
    console.log("start");
})*/

//const express = require('express');
const timeout = require('connect-timeout');
const { createProxyMiddleware } = require('http-proxy-middleware');

 
// HOST 指目标地址 PORT 服务端口
const HOST = 'http://192.168.43.64:7777', PORT = '3300';
 
// 超时时间
const TIME_OUT = 1000 * 1e3;
 
// 设置端口
app.set('port', PORT);
 
// 设置超时 返回超时响应
app.use(timeout(TIME_OUT));
app.use((req, res, next) => {
  if (!req.timedout) next();
});
 
// 设置静态资源路径
app.use('/', express.static('static'));
 
// 反向代理(这里把需要进行反代的路径配置到这里即可)
// eg:将/api 代理到 ${HOST}/api
// app.use(createProxyMiddleware('/api', { target: HOST }));
// 自定义代理规则
app.use(createProxyMiddleware('/api', {
  target: HOST, // target host
  changeOrigin: true, // needed for virtual hosted sites
  ws: true, // proxy websockets
  pathRewrite: {
    '^/api': '', // rewrite path
  }
}));
// 监听端口
app.listen(app.get('port'), () => {
  console.log(`server running ${PORT }`);
});



function execute(cmd) {     //调用cmd命令
    execSync(cmd, { cwd: './' }, function (error, stdout, stderr) {
        if (error) {
            console.error(error);
        }
        else {
            console.log("executing success!")
        }
    })
}
app.get('/check', function (req, res) {
    if(!!req.session.user){
        var  logo=req.query.logo;
        console.log(logo);
    // console.log(ppcookie);
        a = ppcookie
        console.log(a);
        //const ls = childProcess.spawn('python3' ,['./connect.py','--word',logo,'--cookie',a])
        const ls = childProcess.spawn('python3' ,['./tmp.py','--ip','192.168.43.241','--port','7777','crawling','--word',logo,'--pages_start',1,'--pages_end',3,'--cookie',req.session.name])
        ls.stdout.on('data', (data) => {
        console.log(`stdout: ${data}`);
        });
        ls.stderr.on('data', (data) => {
            console.error(`stderr: ${data}`);
        });
        
        ls.on('close', function(code){
            res.redirect("/tmmps.html")
            })}
    else{
        res.send('未登录')
    }
    /*exec('python connect.py --ip 10.129.16.173 --port 7777 crawling --word '+logo +' --pages_start 1 --pages_end 3 --cookie '+a, { 
    //  timeout: 0, // 超时时间
    cwd: path.resolve(__dirname, './'), // 可以改变当前的执行路径
    }, function (err, stdout, stderr) {
        res.redirect("/tmmps.html")
        return

            // 执行结果
    })*/

    //execute('python connect.py --ip 192.168.43.64 --port 7777 crawling --word '+logo +' --pages_start 1 --pages_end 5 --cookie '+a);
    //execute('python connect.py --ip 192.168.43.65 --port 7777 crawling --word computer --cookie b07f9e6461343a07635438925b0b93f9e0f9f084 --pages_start 1 --pages_end 3');
    
})
app.post('/cook', function (req, res) {
    console.log(req.session.user);
    res.redirect('/public/ok2.html');
})

app.post('/cook2', function (req, res) {
    req.session.destroy(function(err) {
        res.redirect('/login.html');
    })
    ppname = '0'
    pppwd = '0'
})
app.get('/check1',function (req, res) {
    console.log(req.session.user)
    if(!!req.session.user){
        const ls = childProcess.spawn('python3' ,['./ceshi03.py','--id',req.session.user],{cwd: path.resolve(__dirname, './')
        })
        ls.stdout.on('data', (data) => {
        console.log(`stdout: ${data}`);
        });
        ls.stderr.on('data', (data) => {
            console.error(`stderr: ${data}`);
        });
        ls.on('close', function(code){
            res.redirect("/comment.html")
            return;
        })}
    else{
        res.send('未登录')
    }
})
app.get('/std',function (req, res) {
    if(!!req.session.user){
        console.log(req.session.user);
        var  finame=req.query.finame;
        var email = req.query.email;
        var phone = req.query.phone;
        var selectSQL = "select uname,pwd from user where uname = '" + req.session.user + "' and pwd = '" + req.session.pwd + "'"
        connection.query(selectSQL, function (err, result) {
            console.log(req.session.user);
            res.redirect('/public/ok1.html');
            var user = {finame: finame,email:email, phone:phone};
            sql = "update user set ? where uname = '" + req.session.user + "' and pwd = '" + req.session.pwd + "'"
            connection.query(sql, user, function (err, rs) {
                //    if (err) throw err;
                console.log('ok');
            })
        })}
    else{
        res.send('未登录')
    }
})
app.post('/std1',function (req, res) {
    res.redirect('/public/ok3.html')
})
app.post('/std3',function (req, res) {
    console.log('req.session.user');
    var delSql = "DELETE FROM user_info where user_name = "+ req.session.user;
    connection.query(delSql,function (err, result) {
        if(err){
          console.log('[DELETE ERROR] - ',err.message);
          return;
        }        
});
    var delSql1 = "DELETE FROM user where uname = "+ req.session.user;
    connection.query(delSql1,function (err, result) {
        if(err){
          console.log('[DELETE ERROR] - ',err.message);
          return;
          //res.redirect('/login.html')
        }        
    });
    res.redirect('/login.html')
})
app.get('/std2',function (req, res) {
    var  pwd1=req.query.pwd1;
    var  pwd2=req.query.pwd2;
    var  pwd3=req.query.pwd3;
    if(pwd3 != pwd2){
        console.log("error")
        res.send("两次输入的密码不一样");
    }
    if(pwd3 == pwd2){
        var selectSQL = "select pwd from user where uname = '" + req.session.user + "' and pwd = '" + req.session.pwd + "'"
        connection.query(selectSQL, function (err, result) {
                if (req.session.pwd != pwd1) {
                    res.send("当前密码输入错误");
                    console.log("error")
                }
                if(req.session.pwd == pwd1){
                    var user = {pwd:pwd2};
                    sql = "update user set ? where uname = '" + req.session.user + "' and pwd = '" + req.session.pwd + "'"
                    connection.query(sql, user, function (err, rs) {
                        //    if (err) throw err;
                            console.log('ok');
                            res.redirect('/public/ok1.html');
                            pppwd = pwd2
            
                    })
                    var user1 = {user_password:pwd2}
                    q = "update user_info set ? where user_name = '" + req.session.user + "' and user_password = '" + req.session.pwd + "'"
                    connection.query(q, user1, function (err, rs) {
                        //    if (err) throw err;
                            console.log('ok');
                            //res.redirect('/public/ok1.html');
                            //pppwd = pwd2
            
                    })
                }
                    
        })
        
    
    }
})