Gửi thông báo

async function waitForOpponent(room) {
  if (!Lia.notificationsAllowed) {
    try {
      const { allowed } = await Lia.requestNotifications();
      if (allowed) await api("/api/notify-me", { allowed: true });
    } catch (error) {
      // "notifications_off": your app can't send them; carry on without.
    }
  }
  showWaiting(room);
}

// They can also turn them on or off from your app's ⋯ menu.
Lia.on("notificationsChanged", function (data) {
  api("/api/notify-me", { allowed: data.allowed });
});

async function notify(playerId, text, startParam) {
  try {
    return await lia("POST", "/notifications", { playerId, text, startParam });
  } catch (error) {
    const code = error.data?.error;
    if (code === "not_allowed") return db.setNotify(playerId, false); // they said no or stopped
    if (code === "rate_limited") return db.retryLater(playerId, error.data.retryAt); // retryAt may be missing
    if (code === "bad_text") console.warn("Lia refused the text:", error.data.problem);
    throw error;
  }
}

await notify(opponent, "@amara played. Your move.", "room-a81c2e09f4");

function route(startParam) {
  if (startParam?.startsWith("room-")) openRoom(startParam);
}
Lia.init().then(function () { route(Lia.startParam); Lia.ready(); });
Lia.on("startParam", function (data) { route(data.startParam); });