/* ==========================================================================
   2RE03 site scripts
   - Footer year
   - Contact form: client-side validation + AJAX submit to Web3Forms
   ========================================================================== */
(function () {
  "use strict";

  /* --- Footer year ------------------------------------------------------- */
  document.querySelectorAll("[data-year]").forEach(function (el) {
    el.textContent = String(new Date().getFullYear());
  });

  /* --- Contact form ------------------------------------------------------ */
  var form = document.getElementById("contactForm");
  if (!form) {
    return;
  }

  var status = document.getElementById("formStatus");
  var submitBtn = form.querySelector('button[type="submit"]');
  var submitLabel = submitBtn ? submitBtn.innerHTML : "";

  function showStatus(message, variant) {
    if (!status) {
      return;
    }
    status.textContent = message;
    status.className = "alert mt-3 mb-0 alert-" + variant;
    status.hidden = false;
    status.focus();
  }

  function clearStatus() {
    if (!status) {
      return;
    }
    status.textContent = "";
    status.hidden = true;
  }

  function setBusy(isBusy) {
    if (!submitBtn) {
      return;
    }
    submitBtn.disabled = isBusy;
    submitBtn.innerHTML = isBusy ? "Sending…" : submitLabel;
  }

  form.addEventListener("submit", function (event) {
    event.preventDefault();
    clearStatus();

    // Basic validation: required fields + email format (via input[type=email]).
    if (!form.checkValidity()) {
      form.classList.add("was-validated");
      var firstInvalid = form.querySelector(":invalid");
      if (firstInvalid) {
        firstInvalid.focus();
      }
      showStatus("Please fix the highlighted fields and try again.", "danger");
      return;
    }

    setBusy(true);

    fetch(form.action, {
      method: "POST",
      body: new FormData(form),
      headers: { Accept: "application/json" }
    })
      .then(function (response) {
        return response
          .json()
          .catch(function () { return {}; })
          .then(function (data) { return { ok: response.ok, data: data }; });
      })
      .then(function (result) {
        var data = result.data || {};
        if (result.ok && data.success) {
          form.reset();
          form.classList.remove("was-validated");
          showStatus("Thanks, your message is on its way. We'll get back to you soon.", "success");
        } else {
          showStatus(data.message || "Something went wrong. Please try again, or email us directly.", "danger");
        }
      })
      .catch(function () {
        showStatus("Network error. Please check your connection and try again.", "danger");
      })
      .finally(function () {
        setBusy(false);
      });
  });
})();