(function () {
  "use strict";

  var endpoint = "/api/lead";
  var turnstileConfigEndpoint = "/api/turnstile-config";

  function loadTurnstile() {
    if (window.turnstile) return Promise.resolve(window.turnstile);
    return new Promise(function (resolve, reject) {
      var existing = document.querySelector("script[data-kk-turnstile]");
      if (existing) {
        existing.addEventListener("load", function () { resolve(window.turnstile); }, { once: true });
        existing.addEventListener("error", reject, { once: true });
        return;
      }
      var script = document.createElement("script");
      script.src = "https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit";
      script.async = true;
      script.defer = true;
      script.dataset.kkTurnstile = "true";
      script.onload = function () { resolve(window.turnstile); };
      script.onerror = reject;
      document.head.appendChild(script);
    });
  }

  async function getTurnstileSiteKey() {
    var response = await fetch(turnstileConfigEndpoint, { credentials: "same-origin", headers: { "Accept": "application/json" } });
    var result = await response.json().catch(function () { return {}; });
    if (!response.ok || !result.siteKey) throw new Error("Security verification is temporarily unavailable. Please text (347) 433-7322.");
    return result.siteKey;
  }

  function makeId() {
    if (window.crypto && typeof window.crypto.randomUUID === "function") {
      return window.crypto.randomUUID();
    }
    return Date.now() + "_" + Math.random().toString(36).slice(2, 12);
  }

  function setError(element, message) {
    if (!element) return;
    element.textContent = message;
    element.style.display = "block";
    element.setAttribute("role", "alert");
  }

  function collectAttribution(data) {
    var params = new URLSearchParams(window.location.search);
    ["utm_source", "utm_medium", "utm_campaign", "utm_content", "utm_term", "gclid"].forEach(function (key) {
      var value = params.get(key);
      if (value) data[key] = value.slice(0, 300);
    });
    data.page_url = window.location.href.slice(0, 1000);
    data.referrer = document.referrer.slice(0, 1000);
  }

  document.querySelectorAll("form[data-lead-form]").forEach(function (form) {
    var startedAt = Date.now();
    var today = new Date();
    var localToday = new Date(today.getTime() - today.getTimezoneOffset() * 60000).toISOString().slice(0, 10);
    form.querySelectorAll("input[type='date']").forEach(function (input) {
      if (!input.min) input.min = localToday;
    });
    var errorElement = document.getElementById(form.dataset.errorId || "");
    var successElement = document.getElementById(form.dataset.successId || "");
    var submitButton = form.querySelector("button[type='submit']");
    var idleLabel = submitButton ? submitButton.textContent : "Submit";
    var turnstileToken = "";
    var turnstileWidgetId = null;
    var turnstileMount = document.createElement("div");
    turnstileMount.className = "lead-form-turnstile";
    turnstileMount.setAttribute("aria-label", "Security verification");
    if (submitButton) {
      submitButton.parentNode.insertBefore(turnstileMount, submitButton);
      submitButton.disabled = true;
      submitButton.textContent = "Loading security...";
    }

    Promise.all([loadTurnstile(), getTurnstileSiteKey()]).then(function (values) {
      var turnstile = values[0];
      var siteKey = values[1];
      turnstileWidgetId = turnstile.render(turnstileMount, {
        sitekey: siteKey,
        theme: "dark",
        size: "flexible",
        callback: function (token) {
          turnstileToken = token;
          if (submitButton) {
            submitButton.disabled = false;
            submitButton.textContent = idleLabel;
          }
        },
        "expired-callback": function () {
          turnstileToken = "";
          if (submitButton) submitButton.disabled = true;
        },
        "error-callback": function () {
          turnstileToken = "";
          if (submitButton) submitButton.disabled = true;
          setError(errorElement, "Security verification failed. Refresh the page or text (347) 433-7322.");
        }
      });
    }).catch(function (error) {
      setError(errorElement, error.message || "Security verification is temporarily unavailable. Please text (347) 433-7322.");
    });

    form.addEventListener("submit", async function (event) {
      event.preventDefault();
      if (!form.reportValidity()) return;
      if (!turnstileToken) {
        setError(errorElement, "Please complete the security verification.");
        return;
      }
      if (submitButton && submitButton.disabled) return;

      if (errorElement) errorElement.style.display = "none";
      if (submitButton) {
        submitButton.disabled = true;
        submitButton.textContent = "Sending...";
      }

      var data = Object.fromEntries(new FormData(form).entries());
      data.source_page = form.dataset.sourcePage || window.location.pathname.replace(/\W+/g, "_");
      if (form.dataset.service) data.service = form.dataset.service;
      data.form_started_at = startedAt;
      data.submission_id = makeId();
      data.turnstile_token = turnstileToken;
      collectAttribution(data);

      try {
        var response = await fetch(endpoint, {
          method: "POST",
          credentials: "same-origin",
          headers: { "Content-Type": "application/json", "Accept": "application/json" },
          body: JSON.stringify(data)
        });
        var result = await response.json().catch(function () { return {}; });

        if (!response.ok || !result.ok) {
          throw new Error(result.error || "We could not send your request.");
        }

        form.style.display = "none";
        if (form.dataset.hideSelector) {
          document.querySelectorAll(form.dataset.hideSelector).forEach(function (element) {
            element.style.display = "none";
          });
        }
        if (successElement) successElement.style.display = "block";

        if (result.accepted && typeof window.gtag === "function") {
          window.gtag("event", "conversion", {
            send_to: "AW-18038388121/aTn2CKb_9aQcEJnrr5lD",
            value: 1.0,
            currency: "USD",
            transaction_id: data.submission_id
          });
        }
      } catch (error) {
        setError(errorElement, error.message || "Submission failed. Please try again or text (347) 433-7322.");
        turnstileToken = "";
        if (window.turnstile && turnstileWidgetId !== null) window.turnstile.reset(turnstileWidgetId);
        if (submitButton) {
          submitButton.disabled = true;
          submitButton.textContent = "Verifying...";
        }
      }
    });
  });
})();