hermes/WebApp/ts/auth.ts

// /js/auth.ts

function deleteCookie(name: string): void {
    document.cookie = `${name}=; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT`;
}

 async function logoutUser(): Promise<void> {
    await fetch("/api/auth/logout", {
        method: "POST",
        headers: {
            "Content-Type": "application/json",
        },
    });

     deleteCookie('token');

    window.location.href = "/index.html";
}

function redirectToLogin(): void {
    window.location.href = 'login.html';
}

function checkAuth(): boolean {
    // Basic auth check via presence of token cookie
    return document.cookie.includes('token=');
}

function setupAuthUI(): void {
    const joinNowBtn = document.getElementById('joinnow-btn');
    const signInBtn = document.getElementById('signin-btn');
    const logoutBtn = document.getElementById('logout-btn');

    const isAuthenticated = checkAuth();

    if (joinNowBtn) {
        joinNowBtn.classList.toggle('d-none', isAuthenticated);
        joinNowBtn.addEventListener('click', redirectToLogin);
    }

    if (signInBtn) {
        signInBtn.classList.toggle('d-none', isAuthenticated);
        signInBtn.addEventListener('click', redirectToLogin);
    }

    if (logoutBtn) {
        logoutBtn.classList.toggle('d-none', !isAuthenticated);
        logoutBtn.addEventListener('click', (e) => {
            e.preventDefault();
            logoutUser();
        });
    }

}

// Initialize on load
document.addEventListener('DOMContentLoaded', setupAuthUI);