<%
' --- START OF SEARCH TEMPLATES --- '
' (SS,17/1/13) added ending / to input tag of cbsubcat
' (SS,13/8/14) bootstrap version
' (SS,1/3/14) replaced form tags with div (because there's already the frmSearch form outside this,
' had to adjust padding and margin and add margin-top of 10px to make it behave as before
' (SS,30/6/17) added value = ASearchDefault
' (SS,21/5/26) Bootstrap 5 version for HyperFlight
' (SS,20/7/26) change to placeholder text from "Search..." to "Search products..."
' (SS,21/7/26) modified for incremental search
' (SS,23/7/26) removed <input type="hidden" name="cbsubcat" value=""> (not used here?)
Sub ShowSearchMain(ASearchDefault, ASelectComboHTML)
%>
<!-- START OF SEARCH -->

<div class="header-search-wrapper">
  <div class="header-search-form">
    <div class="input-group">

      <input type="search"
             class="form-control rounded-start"
             placeholder="Search products..."
             name="search"
             id="search"
             value="<%=ASearchDefault%>"
             aria-label="Search"
             autocomplete="off"
             spellcheck="false">

      <button class="btn btn-outline-secondary rounded-end"
              type="button"
              onclick="itp_search()"
              aria-label="Search">
        <i class="fa-regular fa-magnifying-glass" aria-hidden="true"></i>
      </button>
    </div>
  </div>

  <div class="search-suggest-panel" hidden></div>
</div>

<%

  AddScript("ScriptSearchSuggest")

End Sub

' (SS,21/7/26)
' (SS,23/7/26) changed minimum search length from 3 to 2 characters
' (SS,23/7/26) log product clicks from incremental search
Sub ScriptSearchSuggest
%>
<script>
document.addEventListener('DOMContentLoaded', function () {

  const wrappers = document.querySelectorAll('.header-search-wrapper');

  wrappers.forEach(function (wrapper) {

    const input = wrapper.querySelector('input[name="search"]');
    const panel = wrapper.querySelector('.search-suggest-panel');

    if (!input || !panel) return;

    let timer = null;
    let controller = null;

    function hidePanel() {
      panel.hidden = true;
      panel.innerHTML = '';
      delete panel.dataset.query;
    }

    function logSuggestionClick(searchText, productCode) {

      const url = '/ajax.asp?cmd=product_search_suggest_click';
      const data = new URLSearchParams();

      data.set('search', searchText);
      data.set('productcode', productCode);

      let sent = false;

      if (navigator.sendBeacon) {
        sent = navigator.sendBeacon(url, data);
      }

      if (!sent) {
        fetch(url, {
          method: 'POST',
          body: data,
          keepalive: true,
          headers: {
            'X-Requested-With': 'fetch'
          }
        }).catch(function () {
          /* Logging failure must not prevent navigation */
        });
      }
    }

    input.addEventListener('input', function () {

      const q = input.value.trim();

      clearTimeout(timer);

      if (q.length < 2) {
        hidePanel();
        return;
      }

      timer = setTimeout(function () {

        if (controller) {
          controller.abort();
        }

        controller = new AbortController();

        fetch('/ajax.asp?cmd=product_search_suggest&q=' + encodeURIComponent(q), {
          signal: controller.signal,
          headers: {
            'X-Requested-With': 'fetch'
          }
        })
        .then(function (response) {
          if (!response.ok) {
            throw new Error('Search suggest failed');
          }

          return response.text();
        })
        .then(function (html) {

          /* Ignore stale results if the user has typed more */
          if (input.value.trim() !== q) return;

          html = html.trim();

          if (html === '') {
            hidePanel();
          } else {
            panel.innerHTML = html;
            panel.dataset.query = q;
            panel.hidden = false;
          }

        })
        .catch(function (err) {

          if (err.name === 'AbortError') return;

          hidePanel();

        });

      }, 275);

    });

    panel.addEventListener('click', function (event) {

      const link = event.target.closest(
        '.search-suggest-item[data-product-code]'
      );

      if (!link || !panel.contains(link)) return;

      const q = (panel.dataset.query || '').trim();
      const productCode = link.dataset.productCode || '';

      if (q.length < 2 || productCode === '') return;

      logSuggestionClick(q, productCode);

    });

    input.addEventListener('keydown', function (event) {
      if (event.key === 'Escape') {
        hidePanel();
      }
    });

    document.addEventListener('click', function (event) {
      if (!wrapper.contains(event.target)) {
        panel.hidden = true;
      }
    });

  });

});
</script>
<%
End Sub

' --- END OF SEARCH TEMPLATES --- '

ShowSearch
%>