/**
 * Performance West — Umami custom event tracking.
 * Loaded after the Umami script on all pages.
 * Uses umami.track() for conversion funnel events.
 */
(function() {
  // Wait for umami to be available
  function track(name, data) {
    if (window.umami) {
      window.umami.track(name, data || {});
    }
  }

  // Expose globally for inline usage
  window.pwTrack = track;

  // ── Auto-track common interactions ────────────────────────────────────

  // Track all CTA button clicks with data-track attribute
  document.addEventListener("click", function(e) {
    var el = e.target.closest("[data-track]");
    if (el) {
      track(el.getAttribute("data-track"), {
        label: el.textContent.trim().slice(0, 50),
        href: el.href || "",
        page: location.pathname,
      });
    }
  });

  // ── FCC Compliance Checker events ─────────────────────────────────────

  // Check if we're on the compliance checker page
  if (location.pathname.indexOf("/tools/fcc-compliance-check") === 0) {
    // Track when check starts (form submit / button click)
    var checkBtn = document.querySelector("#check-btn, [onclick*='runCheck'], button[type='submit']");
    if (checkBtn) {
      checkBtn.addEventListener("click", function() {
        var frn = (document.querySelector("#frn-input, input[name='frn']") || {}).value || "";
        track("compliance-check-start", { frn: frn });
      });
    }

    // Track when results load (observe DOM for results container)
    var observer = new MutationObserver(function(mutations) {
      for (var i = 0; i < mutations.length; i++) {
        var target = mutations[i].target;
        if (target.id === "checks-container" || target.id === "results") {
          var issues = document.querySelectorAll(".check-fail, .issue-card, [data-severity]").length;
          var frn = (document.querySelector("#frn-input, input[name='frn']") || {}).value || "";
          track("compliance-check-complete", { frn: frn, issues: issues });
          observer.disconnect();
          break;
        }
      }
    });
    var resultsEl = document.getElementById("checks-container") || document.getElementById("results");
    if (resultsEl) {
      observer.observe(resultsEl, { childList: true, subtree: true });
    }

    // Track "Order" CTA clicks from results
    document.addEventListener("click", function(e) {
      var btn = e.target.closest("a[href*='/order/'], button[data-slug]");
      if (btn && (btn.closest("#checks-container") || btn.closest("#results") || btn.closest(".cta"))) {
        var slug = btn.getAttribute("data-slug") || btn.href.split("/order/")[1] || "";
        track("order-cta-click", {
          slug: slug.split("/")[0] || slug.split("?")[0],
          source: "compliance-checker",
          page: location.pathname,
        });
      }
    });
  }

  // ── Order / Checkout pages ────────────────────────────────────────────

  if (location.pathname.indexOf("/order/") === 0) {
    // Track checkout page view with service info
    var slug = location.pathname.replace("/order/", "").replace(/\/$/, "");
    track("checkout-page-view", { slug: slug, referrer: document.referrer });

    // Track payment button click
    document.addEventListener("click", function(e) {
      var btn = e.target.closest("#pay-btn, #submit-btn, .checkout-btn, button[type='submit']");
      if (btn && (btn.textContent.indexOf("Pay") >= 0 || btn.textContent.indexOf("Checkout") >= 0 || btn.textContent.indexOf("Place Order") >= 0)) {
        track("checkout-start", { slug: slug, page: location.pathname });
      }
    });
  }

  // ── eSign portal ──────────────────────────────────────────────────────

  if (location.pathname.indexOf("/portal/esign") === 0 || location.pathname.indexOf("/portal/sign") === 0) {
    track("esign-opened", { page: location.pathname });

    document.addEventListener("click", function(e) {
      var btn = e.target.closest("#submit-btn, .submit-btn");
      if (btn && btn.textContent.indexOf("Submit") >= 0) {
        track("esign-submitted", { page: location.pathname });
      }
    });
  }

  // ── Email campaign click attribution ──────────────────────────────────

  var params = new URLSearchParams(location.search);
  var utmSource = params.get("utm_source");
  var utmCampaign = params.get("utm_campaign");
  if (utmSource || utmCampaign) {
    track("campaign-click", {
      source: utmSource || "",
      campaign: utmCampaign || "",
      medium: params.get("utm_medium") || "",
      page: location.pathname,
    });
  }

  // ── Contact form submission ───────────────────────────────────────────

  if (location.pathname.indexOf("/contact") === 0) {
    document.addEventListener("submit", function(e) {
      if (e.target.closest("form")) {
        track("contact-form-submit", { page: location.pathname });
      }
    });
  }

})();