(function () {
  function getUTMParams() {
    const params = {};
    const queryString = window.location.search.substring(1);
    const regex = /([^&=]+)=([^&]*)/g;
    let match;

    while ((match = regex.exec(queryString))) {
      const key = decodeURIComponent(match[1]);
      const value = decodeURIComponent(match[2]);
      if (key.startsWith("utm_")) {
        params[key] = value;
      }
    }
    return params;
  }

  function sendTrackingData(data) {
    // navigator.sendBeacon("http://localhost:8787/event", JSON.stringify(data));
    navigator.sendBeacon("https://a.sourcegeek.com/event", JSON.stringify(data));
  }

  const trackingData = {
    url: window.location.href,
    referrer: document.referrer,
    utm_params: getUTMParams(),
    timestamp: new Date().toISOString(),
  };

  sendTrackingData({ ...trackingData, event: "page_view" });

  setInterval(() => {
    sendTrackingData({ ...trackingData, event: "ping" });
  }, 3000);
})();