login/logout, webtoken

import { useContext } from 'react';
import { UserContext } from '../../context/userContext';
import {useNavigate} from 'react-router-dom'
import axios from 'axios';




export default function Dashboard() {
    const {user} = useContext(UserContext);
  const navigate = useNavigate();
    const logOut = async () => {
      await axios.get("/logout")
      .then(response => {
       navigate('/login')
      })

    }

  return (
    <div>
      <h1>Dashboard</h1>
      {!!user && (<h2>Hi {user.name}!</h2>)}
      <button type='button'  onClick={() => {logOut(user)}}>Log Out</button>
    </div>
  )
}

const User = require('../models/user');
const { hashPassword, comparePassword} = require('../helpers/auth');
const jwt = require('jsonwebtoken');

const test = (req, res) => {
    res.json('test is working')
}

//Register Endpoint
const registerUser = async (req, res) => {
    try {
        const {name, email, password, kind} = req.body;
        // Check is name was entered
        if(!name) {
            return res.json({
                error: 'name is required'
            })
        };
        // Check is password is good
        if(!password || password.length < 6){
            return res.json({
                error: 'Password is required and should be at least 6 characters long'
            })
        };

          if(!kind) {
            return res.json({
                error: 'kind is required'
            })
        };
        // Check email 
        const exist = await User.findOne({email});
        if(exist) {
            return res.json({
                error: 'Email is taken already'
            })
        }

        const hashedPassword = await hashPassword(password);
        // Create user in database
        const user = await User.create({
            name, 
            email, 
            password: hashedPassword, 
            kind
        })

        return res.json(user);
    } catch (error) {
        console.log(error)
    }
};

// Login Endpoint 
const loginUser = async (req, res) => {
 try {
    const {email, password} = req.body;

    // Check is user exists
    const user = await User.findOne({email});
    if(!user) {
        return res.json({
            error: 'No user found'
        })
    }
    // Check if passwords match
    const match = await comparePassword(password, user.password)
    if(match) {
        jwt.sign({email: user.email, id: user._id, name: user.name, kind: user.kind}, process.env.TOKEN_SECRET, {}, (err, token) => {
            if(err) throw err;
            res.cookie('token', token).json(user)

        })
    }
    if(!match) {
        res.json({
            error: "Passwords do not match"
        })
    }
 } catch (error) {
    console.log(error)

 }
}

const getProfile = (req, res) => {
const {token} = req.cookies
if(token) {
    jwt.verify(token, process.env.TOKEN_SECRET, {}, (err, user) => {
        if(err) throw err;
        res.json(user)
    })
} else {
  res.json(null)  
}
}

 //logout the user
const logOut = (req, res) => {

    res.clearCookie('token');
    return res.sendStatus(200);
  }

module.exports = { 
    test,
    registerUser,
    loginUser,
    getProfile,
    logOut
 }