const btnLoginPage = document.querySelector('.btn-login');
const btnUserProfile = document.querySelector('.btn-userProfile');
const btnLogout = document.querySelector('.btn-logout');

function getCookie(name) {
    const value = `; ${document.cookie}`;
    const parts = value.split(`; ${name}=`);
    if (parts.length === 2) return parts.pop().split(';').shift();
  }

function checkLogin() {
    let token = getCookie('jwt_token');
    if(token) {
        btnLoginPage.style.display = 'none';
        btnLogout.style.display = 'block';
        btnUserProfile.style.display = 'block';
    } else {
        window.location.href = 'login.html';
        btnLoginPage.style.display = 'block';
        btnLogout.style.display = 'none';
        btnUserProfile.style.display = 'none';
    }
}

checkLogin();