import { precacheAndRoute } from "workbox-precaching";

// Precaching configuration for PWA assets
precacheAndRoute(self.__WB_MANIFEST);

// Version

const VERSION = "1.0.2";

// Service Worker Installation
self.addEventListener("install", (event) => {
    self.skipWaiting();
});

// Service Worker Activation
self.addEventListener("activate", (event) => {
    event.waitUntil(
        (async () => {
            const clients = await self.clients.matchAll({ type: "window" });

            // Notify all open clients about the version
            clients.forEach((client) =>
                client.postMessage({ type: "VERSION_CHECK", version: VERSION })
            );

            self.clients.claim();
            console.log("Service Worker Activated (Version: " + VERSION + ")");
        })()
    );
});

// Push Notification Handler for Django Web Push
self.addEventListener("push", (event) => {
    try {
        const payload = event.data?.json() || {
            title: "New Notification",
            body: "You have a new message",
            icon: "/logo-192x192.png",
            data: { url: "/" },
        };

        event.waitUntil(
            self.registration.showNotification(payload.title, {
                body: payload.body,
                icon: payload.icon || "/logo-192x192.png",
                data: payload.data,
            })
        );
    } catch (error) {
        console.error("Push handling failed:", error);
    }
});

// Notification Click Handler
self.addEventListener("notificationclick", (event) => {
    event.notification.close();
    event.waitUntil(clients.openWindow(event.notification.data?.url || "/"));
});

self.addEventListener("message", (event) => {
    if (event.data === "SKIP_WAITING") {
        self.skipWaiting();
    }
});