I am trying to set up an site so that when a user is logged in, the nav bar will display "logout", and if the user isn't logged in, then it will display "signup" and "login". Right now through insomnia I have tested that the login works properly and hits the route. The handlebars just doesn't seem to update based on whether session is loggedIn or not. Any help is much appreciated, and please let me know if you need anymore info on anything.

 {{#if loggedIn}}
            <button class="button is-light" id="logout">logout</button>
 {{else}}
            <a href="http://localhost:3001/signup" class="button is-primary"> <strong>Sign up</strong> </a>
            <a href="http://localhost:3001/login"class="button is-light"> <strong>Log in</strong> </a>
 {{/if}}

This is the route set up for user login

```router.post('/login', async (req, res) => {
`try {
const userData = await User.findOne({
  where: {
    email: req.body.email
  }
})`

if (!userData) {
  res.status(400).json({ message: "Incorrect email or password."});
  return;
}

const validPassword = await userData.checkPassword(req.body.password)

if (!validPassword) {
  console.log("YO")
  res.status(400).json({ message: "Incorrect email or password."})
  return;
}

req.session.save(() => {
  req.session.user_id = userData.id;
  req.session.loggedIn = true;

  res.json({ user: userData, message: 'You are now logged in!' });
});

} catch (err) { res.status(400).json(err)} })

And lastly this is the code server.js code showing using the session data

    const sess = {
    secret: 'Super secret secret',
    cookie: {},
    resave: false,
    saveUninitialized: true,
    store: new SequelizeStore({
    db: sequelize
    })
    };

    app.use(session(sess)); ```

SCRIPT FOR LOGIN PAGE
    const loginFormHandler = async (event) => {
    event.preventDefault();
  
    console.log("YO!!!!")

    const email = document.querySelector('#email-login').value.trim();
    const password = document.querySelector('#password-login').value.trim();
  
    if (email && password) {
      const response = await fetch('/api/users/login', {
        method: 'POST',
        body: JSON.stringify({email, password }),
        headers: { 'Content-Type': 'application/json' },
      });
  
      if (response.ok) {
        // If successful, redirect the browser to the profile page
        document.location.replace('/');
      } else {
        alert(response.statusText);
      }
    }
  };