"use client";

import { useEffect } from "react";

/** Clique na bandeja: o SW manda `notify-open` se `WindowClient.navigate` não existir. */
export function useNotifyOpenFromServiceWorker(): void {
  useEffect(() => {
    if (typeof navigator === "undefined" || !navigator.serviceWorker) return;
    const onMsg = (event: MessageEvent) => {
      const data = event.data as { type?: unknown; href?: unknown } | null;
      if (data?.type !== "notify-open" || typeof data.href !== "string") return;
      if (!data.href.startsWith(window.location.origin)) return;
      window.location.assign(data.href);
    };
    navigator.serviceWorker.addEventListener("message", onMsg);
    return () => navigator.serviceWorker.removeEventListener("message", onMsg);
  }, []);
}