(function () {
  // ===== HEAD INJECTION =====
  const head = document.querySelector("head");
  if (!head) return;

  // 1. Consent + gtag script (inline)
  const consentScript = document.createElement("script");
  consentScript.innerHTML = `
    window.dataLayer = window.dataLayer || [];
    function gtag() {
        dataLayer.push(arguments);
    }
    gtag("consent", "default", {
        ad_storage: "denied",
        ad_user_data: "denied",
        ad_personalization: "denied",
        analytics_storage: "denied",
        functionality_storage: "denied",
        personalization_storage: "denied",
        security_storage: "granted",
        wait_for_update: 2000,
    });
    gtag("set", "ads_data_redaction", false);
    gtag("set", "url_passthrough", true);
  `;

  // 2. CookieYes script (external)
  const cookieYesScript = document.createElement("script");
  cookieYesScript.id = "cookieyes";
  cookieYesScript.type = "text/javascript";
  cookieYesScript.src = "https://cdn-cookieyes.com/client_data/5cc8da229695a74aa267a2862a61baac/script.js";

  // 3. Google Tag Manager (inline loader)
  const gtmScript = document.createElement("script");
  gtmScript.innerHTML = `
    (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
    new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
    'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
    })(window,document,'script','dataLayer','GTM-WW669H');
  `;

  // Append in order
  head.appendChild(consentScript);
  head.appendChild(cookieYesScript);
  head.appendChild(gtmScript);

  // ===== BODY (noscript) INJECTION =====
  const insertNoScript = function () {
    const body = document.body;
    if (!body) return;

    const noScript = document.createElement("noscript");
    noScript.innerHTML = `
      <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WW669H" height="0" width="0" style="display:none;visibility:hidden"></iframe>
    `;

    // Insert as FIRST thing in body
    if (body.firstChild) {
      body.insertBefore(noScript, body.firstChild);
    } else {
      body.appendChild(noScript);
    }
  };

  // Ensure body exists before inserting
  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", insertNoScript);
  } else {
    insertNoScript();
  }
})();