import { precacheAndRoute } from 'workbox-precaching';

// Required by vite-plugin-pwa injectManifest
precacheAndRoute(self.__WB_MANIFEST || []);

// Immediately skip waiting and activate the new service worker
self.addEventListener('install', () => {
    self.skipWaiting();
});

self.addEventListener('activate', (event) => {
    event.waitUntil(self.clients.claim());
});

self.addEventListener('push', (event) => {
    let data = { title: 'Сигнал', body: 'Новое уведомление', icon: '/pwa-192x192.png' };

    if (event.data) {
        try {
            data = event.data.json();
        } catch (e) {
            data.body = event.data.text();
        }
    }

    const options = {
        body: data.body,
        icon: data.icon || '/pwa-192x192.png',
        badge: '/pwa-192x192.png',
        vibrate: [200, 100, 200, 100, 200],
        data: data.data || {}
    };

    event.waitUntil(
        self.registration.showNotification(data.title, options)
    );
});

self.addEventListener('notificationclick', (event) => {
    event.notification.close();

    // Extract the deep link URL sent from the backend, default to root
    const urlToOpen = new URL(event.notification.data?.url || '/', self.location.origin).href;

    event.waitUntil(
        self.clients.matchAll({ type: 'window', includeUncontrolled: true }).then((clientList) => {
            for (const client of clientList) {
                // If a window is already open, navigate it to the deep link and focus it
                if (client.url && 'focus' in client) {
                    client.navigate(urlToOpen);
                    return client.focus();
                }
            }
            if (self.clients.openWindow) {
                return self.clients.openWindow(urlToOpen);
            }
        })
    );
});