(function () {
    let tp_session = localStorage.getItem("tp_session");
    let current_url = location.href;
    let referrer = document.referrer;
    let page_title = document.title;
    let user_agent = navigator.userAgent;
    let visit_type = "session_user";
    let time_stamp = Date.now();
    let tag_id = "CNefVM";

    if (tp_session == null) {
      let array = new Uint32Array(1);
      let random_num = window.crypto.getRandomValues(array);
      let teampad_session_id = time_stamp + "_" + random_num;
      visit_type = "first_visit";
      tp_session = teampad_session_id;
      localStorage.setItem("tp_session", teampad_session_id);
    }

    var postBody = {
      current_url: current_url,
      referrer_url: referrer,
      user_agent: user_agent,
      tp_session: tp_session,
      visit_type: visit_type,
      page_title: page_title,
      tag_id: tag_id,
    };

    fetch("https://adba.co.kr/api/gather/save", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(postBody),
    })
      .then((response) => response.json())
      .catch((error) => {
        console.error("Fetch error:", error);
      });
  })();