implement signup and some of login

-const express=require('exress')
+const express=require('express')
 const router=express.Router()
 
 router.use('/user',require('./user'))

@@ -4,3 +4,7 @@ const router=express.Router()
 const signUp=require('./signUp')
 const login=require('./login')
 
+router.post('/signup',signUp.SignUp)
+router.post('/login',login.Login)
+
+module.exports=router
\ No newline at end of file

+const findById=require('../../database/user/findById')
+const mysql=require('../../mysql')
+const bcrypt=require('bcrypt-nodejs')
+
+exports.Login=(req,res)=>{
+    const userId=req.body.userId
+    const password=req.body.password
+
+    const DataCheck=()=>{
+        return new Promise((resolve,reject)=>{
+            console.log('1')
+            if(!userId || !password){
+                console.log('1 err')
+                return reject({
+                    code: 'request_body_error',
+                    message: 'request body is not defined'
+                })
+            }
+            else resolve()
+        })
+    }
+
+    const IdCheck=()=>{
+        console.log(2)
+        resolve(findById.findById(userId))
+    }
+
+    const PwCheck=(user)=>{
+        console.log(user)
+        if (!user){
+            console.log('2 err')
+            return reject({
+                code:'id_wrong',
+                message:'id wrong'
+            })
+        }
+        console.log('3')
+        if(bcrypt.compareSync(password,user.password)){
+            console.log(`Login : ${userId}`)
+            resolve()
+        }
+        else{
+            console.log('3 err')
+            return reject({
+                code:'pw_wrong',
+                message:'pw wrong'
+            })
+        }
+    }
+
+    DataCheck()
+        .then(IdCheck)
+        .then(PwCheck)
+        .then(()=>{
+            req.session.sid=userId
+            res.status(200).json({userId:userId})
+        })
+        .catch((err)=>{
+            res.status(500).json(err.message|err)
+        })
+}
\ No newline at end of file

+'use strict'
+
 const express=require('express')
 const session=require('express-session')
 const findById=require('../../database/user/findById')
-const mysql=require('mysql')
+const mysql=require('../../mysql')
 const bcrypt=require('bcrypt-nodejs')
-const dbconfig=require('../../dbconfig')
-const connection=mysql.createConnection(dbconfig)
-connection.connect()
 
 exports.SignUp=(req,res)=>{
     const userId=req.body.userId
@@ -21,28 +20,66 @@ exports.SignUp=(req,res)=>{
             else resolve()
         })
     }
-    const SignUp=()=>{
-        const user=findById(userId)
-        if(!user){
-            const hash=bcrypt.hashSync(password,bcrypt.genSaltSync(10),null)
-            connection.query(`insert into user (userId,password) values (${userId},${hash});`,(err,results,fields)=>{
+    const UserCheck=()=>{
+        let user={}
+        const findUser=async ()=>{
+            try{
+                user= await findById.findById(userId)
+                console.log(`user in UserCheck : ${JSON.stringify(user)}`)
+                return user
+            }
+            catch(err){
+                return Promise.reject(err)
+            }
+        }
+        return findUser()
+        /*
+        mysql.getConnection((err,connection)=>{
+            if(err)
+                return reject({
+                    code: 'connect_db_error',
+                    message: 'connect_db_error'
+                })
+            connection.query(`select * from user where userId=\'${userId}\'`,(err,result,fields)=>{
                 if(err){
-                    throw err
+                    connection.release()
+                    return reject({
+                        code:'select_db_error',
+                        message:'select db error'
+                    })
                 }
                 else{
-                    console.log(results)
+                    connection.release()
+                    console.log('1 result in findById ',result)
+                    return result
                 }
             })
+        })
+        */
     }
-        else{
-            return reject({
-                code:'User_already_exists',
-                message:'User already exists'
+
+    const SignUp=(user)=>{
+        if(user[0]!=null){
+            return Promise.reject({
+                code:'User_Already_Exists',
+                message:'User Already Exists'
             })
         }
+        const hash=bcrypt.hashSync(password,bcrypt.genSaltSync(10),null)
+        mysql.getConnection((err,connection)=>{
+            if(err)
+                throw err
+            connection.query(`insert into user (userId,password) values (\'${userId}\',\'${hash}\');`,(err,results,fields)=>{
+                if(err)
+                    throw err
+                connection.release()
+            })
+        })
+
     }
 
     DataCheck()
+        .then(UserCheck)
         .then(SignUp)
         .then(()=>{
             return res.status(200).json({userId:userId})

@@ -7,15 +7,12 @@ const bcrypt=require('bcrypt-nodejs')
 const rp=require('request-promise')
 const morgan=require('morgan')
 const cheerio=require('cheerio')
-const mysql=require('mysql')
 require('dotenv').config()
-app.use('/api',require('./api'))
-const dbconfig=require('dbconfig')
 const app=express()
 
 app.use(morgan('[:date[iso]] :method :status :url :response-time(ms) :user-agent'))
 
-app.use(express.static(path.join(__dirname, '/static')))
+app.use('/static',express.static(path.join(__dirname, '/static')))
 app.use(bodyParser.urlencoded({extended:false}))
 app.use(bodyParser.json())
 app.use(function (req, res, next) {
@@ -25,7 +22,7 @@ app.use(function (req, res, next) {
     next()
 })
 
-const connection=mysql.createConnection(dbconfig)
+app.use('/api',require('./api'))
 
 let allCards=[]
 fs.readFile('cardskoKR.json',(err,data)=>{
@@ -46,13 +43,27 @@ app.get('/main',(req,res)=>{
     if(!req.session.sid)
         res.redirect('/login')
     else {
-        fs.readFile('./views/main',(err,data)=>{
+        fs.readFile('./views/html/main.html',(err,data)=>{
             res.writeHead(200, {'Content-Type': 'text/html'})
             res.end(data)
         })
     }
 })
 
+app.get('/signup',(req,res)=>{
+    fs.readFile('./views/html/signup.html',(err,data)=>{
+        res.writeHead(200,{'Content-Type':'text/html'})
+        res.end(data)
+    })
+})
+
+app.get('/login',(req,res)=>{
+    fs.readFile('./views/html/login.html',(err,data)=>{
+        res.writeHead(200,{'Content-Type':'text/html'})
+        res.end(data)
+    })
+})
+
 app.listen(process.env.SERVER_PORT || 3000,()=>{
     console.log('sample server is listening to port ' + process.env.SERVER_PORT)
 })
\ No newline at end of file

-const mysql=require('mysql')
-const dbconfig=require('../../dbconfig')
+const mysql=require('../../mysql')
 
 exports.findById=(userId)=>{
-    const connection=mysql.createConnection(dbconfig)
-    connection.connect()
-
-    connection.query(`select * from user where userId=${userId}`,(err,result,fields)=>{
+    return new Promise((resolve,reject)=>{
+        mysql.getConnection((err,connection)=>{
+            if(err)
+                return reject({
+                    code: 'connect_db_error',
+                    message: 'connect_db_error'
+                })
+            connection.query(`select * from user where userId=\'${userId}\'`,(err,result,fields)=>{
                 if(err){
-            throw err
+                    connection.release()
+                    return reject({
+                        code:'select_db_error',
+                        message:'select db error'
+                    })
                 }
                 else{
-            return result
+                    connection.release()
+                    console.log('1 result in findById ',result)
+                    resolve(result)
                 }
             })
+        })
+    })
+
 }
 
 

-require('dotenv').config()
-const mysql=require('mysql')
-
-module.exports={
-    host:process.env.DB_HOST,
-        user:process.env.DB_USER,
-    password:process.env.DB_PASSWORD,
-    database:'WhoAreYou',
-    port:process.env.DB_PORT
-}
\ No newline at end of file
+require('dotenv').conf
\ No newline at end of file

+const mysql=require('mysql')
+require('dotenv').config()
+
+const pool=mysql.createPool({
+    host:process.env.DB_HOST,
+    user:process.env.DB_USER,
+    password:process.env.DB_PASSWORD,
+    database:'WhoAreYou',
+    port:process.env.DB_PORT
+})
+
+module.exports=pool
\ No newline at end of file

@@ -5,9 +5,8 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Who Are You? - 하스스톤 멀리건 도우미</title>
-
     <!-- 부트스트랩 -->
-    <link href="../../static/bootstrap-3.3.2-dist/css/bootstrap.min.css?ver=1" rel="stylesheet">
+    <link href="../../static/bootstrap-3.3.2-dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="../../static/main.css" rel="stylesheet">
     <!-- IE8 에서 HTML5 요소와 미디어 쿼리를 위한 HTML5 shim 와 Respond.js -->
     <!-- WARNING: Respond.js 는 당신이 file:// 을 통해 페이지를 볼 때는 동작하지 않습니다. -->
@@ -15,6 +14,39 @@
     <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
     <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
     <![endif]-->
+
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+    <script>
+        $(document).ready(function(){
+            $('#loginButton').click(function(){
+                var data=new Object()
+                data.userId=$('#userId').val()
+                data.password=$('#password').val()
+                const stringData=JSON.stringify(data)
+                $.ajax({
+                    type:'POST',
+                    url:'api/user/login',
+                    data:stringData,
+                    dataType:'JSON',
+                    contentType:'application/json; charset=utf-8',
+                    traditional:true,
+                    processdata:false,
+                    success:function(result){
+                        alert('로그인 성공!')
+                        window.location.href='/main'
+                    },
+                    error:function(result){
+                        alert(`로그인 실패!\nmessage:${result.message}`)
+                        return false
+                    }
+                })
+            })
+            $('#goSignup').click(function(){
+                window.location.href='/signup'
+            })
+        })
+    </script>
+
 </head>
 <body>
     <nav class="navbar-default navbar-fixed-top">

@@ -7,7 +7,7 @@
     <title>Who Are You? - 하스스톤 멀리건 도우미</title>
 
     <!-- 부트스트랩 -->
-    <link href="../../static/bootstrap-3.3.2-dist/css/bootstrap.min.css?ver=1" rel="stylesheet">
+    <link href="../../static/bootstrap-3.3.2-dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="../../static/main.css?after" rel="stylesheet">
     <!-- IE8 에서 HTML5 요소와 미디어 쿼리를 위한 HTML5 shim 와 Respond.js -->
     <!-- WARNING: Respond.js 는 당신이 file:// 을 통해 페이지를 볼 때는 동작하지 않습니다. -->
@@ -15,6 +15,42 @@
     <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js?after"></script>
     <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js?after"></script>
     <![endif]-->
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+    <script>
+        $(document).ready(function(){
+            $('#signupButton').click(function(){
+                if($('#password').val()!==$('#repeatPassword').val()) {
+                    alert('두 비밀번호가 일치하지 않습니다!')
+                    return false
+                }
+                else{
+                    var data=new Object()
+                    data.userId=$('#userId').val()
+                    data.password=$('#password').val()
+                    const stringData=JSON.stringify(data)
+                    console.log(stringData)
+                    $.ajax({
+                        type:'POST',
+                        url:'api/user/signup',
+                        data:stringData,
+                        dataType:'JSON',
+                        contentType:'application/json; charset=utf-8',
+                        traditional:true,
+                        processdata:false,
+                        success:function(result){
+                            alert('회원가입 성공!')
+                            window.location.href='/login'
+                        },
+                        error:function(result){
+                            alert(`회원가입 실패!\nmessage:${result.message}`)
+                            return false
+                        }
+                    })
+                }
+            })
+        })
+    </script>
+
 </head>
 <body>
     <nav class="navbar-default navbar-fixed-top">