const load = async (doc, clickTag, campaign) => {
  try {
    let _campaign = campaign ?? "";
    let _clickTag = clickTag ?? "null";
    const res = await fetch(
      `https://impact.nau.dev/${_campaign}?b=${(() => {
        let a = navigator.userAgent;
        let i = a.indexOf("Chrome/");
        if (i < 0) return "c";
        let o = a.indexOf(" ", i);
        const c = a.substring(i + 7, o);
        return parseInt(c) >= 115 ? "m" : "c";
      })()}`,
    );
    const script = doc.createElement("script");
    script.setAttribute("type", "module");
    script.dataset["clickTag"] = _clickTag;
    script.innerHTML = await res.text();
    doc.head.appendChild(script);
  } catch (err) {
    console.error(err);
    console.error(2);
  }
};
const mount = () => {
  try {
    const doc = window.top.document;
    window.addEventListener("message", (data) => {
if(data?.data?.type !== "nau-v-show") return;
load(doc, data.data.clickTag, data.data.campaign);
});
    console.log("loader");
  } catch (err) {
    window.top.postMessage(
      {
        type: "nau-v-show",
        campaign: "",
        clickTag: "null",
      },
      "*",
    );
  }
};

mount();