self.addEventListener('push', (event) => {
    const notif = event.data.json().notification;

    event.waitUntil(
        self.registration.showNotification(notif.title, {
            body: notif.body,
            icon: "./icon-512x512.png",
            data: {
                url: notif.click_action, // URL to navigate when clicked
            },
        })
    );
});

self.addEventListener("notificationclick", (event) => {
    event.notification.close(); // Close the notification
    event.waitUntil(
        clients.openWindow(event.notification.data.url) // Open the notification URL
    );
});