import request from "@/utils/request";

export async function openRemoteControlSignal(sn: string) {
  const defaultUrl = new URL(
    "/ws/signal",
    import.meta.env.VITE_APP_API_URL || window.location.origin,
  );
  if (defaultUrl.protocol === "https:") defaultUrl.protocol = "wss:";
  const url = new URL(import.meta.env.VITE_WEBRTC_SIGNAL_URL || defaultUrl.href);
  if (url.protocol !== "wss:") throw new Error("远程协助需要 WSS 信令服务器");
  const ticket = await request<unknown, string>({
    url: "/api/v1/device/remote-control/ticket",
    method: "post",
    params: { sn },
  });
  url.searchParams.set("ticket", ticket);
  return new WebSocket(url);
}