/* Yoone Product Bundles - Admin dynamic grouping terms
 * When switching grouping taxonomy (category/tag), refresh the terms select list accordingly.
 */
(function($){
  $(function(){
    var $tax   = $('#yoone_bundle_group_taxonomy');
    var $terms = $('#yoone_bundle_group_terms');
    var $addAllBtn = $('.yoone-add-all-simple-products');
    var $clearBtn  = $('.yoone-clear-products-list');
    var $productSelect = $('select[name="yoone_bundle_allowed_products[]"]');
    var $selectMode = $('#yoone_bundle_select_mode');
    var $productsField = $('#yoone_bundle_products_list_field');

    if (typeof YoonePBAdmin === 'undefined') {
      return;
    }

    function refreshTerms(tax) {
      if (!tax) return;
      $terms.prop('disabled', true);
      $.post(YoonePBAdmin.ajax_url, {
        action:   'yoone_get_taxonomy_terms',
        taxonomy: tax,
        security: YoonePBAdmin.security
      }).done(function(resp){
        if (resp && resp.success && Array.isArray(resp.data)) {
          var items = resp.data;
          $terms.empty();
          items.forEach(function(item){
            var opt = $('<option/>').val(item.id).text(item.text);
            $terms.append(opt);
          });
          // re-init enhanced selects
          $(document.body).trigger('wc-enhanced-select-init');
        }
      }).always(function(){
        $terms.prop('disabled', false);
      });
    }

    $tax.on('change', function(){
      var val = $(this).val();
      refreshTerms(val);
    });

    function updateProductsListState() {
      var mode = $selectMode.val();
      var isAll = (mode === 'all');
      // 在 All 模式下，隐藏整个选择框字段；其它模式显示并更新标签文案
      if ($productsField.length) {
        $productsField.toggle(!isAll);
        var $label = $productsField.find('> label');
        if ($label.length) {
          $label.text(mode === 'exclude' ? 'Excluded Products' : 'Included Products');
        }
        var $desc = $productsField.find('.yoone-bundle-list-desc');
        if ($desc.length) {
          if (mode === 'exclude') {
            $desc.text('Simple products only. In Exclude mode, ALL published simple products are available EXCEPT the listed ones.');
          } else {
            $desc.text('Simple products only. In Include mode, ONLY the listed products will be available.');
          }
        }
      }
      // 额外：在 All 模式下禁用按钮与选择框（避免误操作）
      $productSelect.prop('disabled', isAll);
      $addAllBtn.prop('disabled', isAll);
    }
    if ($selectMode.length) {
      updateProductsListState();
      $selectMode.on('change', updateProductsListState);
    }

    // Add all simple products to the products select
    if ($addAllBtn.length && $productSelect.length) {
      $addAllBtn.on('click', function(){
        var $btn = $(this);
        var mode = $selectMode.val();
        if (mode === 'exclude') {
          // 在排除模式下“添加全部”会导致有效商品为空，先弹出确认。
          var ok = window.confirm('You are in Exclude mode. Adding ALL simple products to the exclusion list will result in NO effective products. Continue?');
          if (!ok) return;
        }
        $btn.prop('disabled', true);
        $productSelect.prop('disabled', true);
        $.post(YoonePBAdmin.ajax_url, {
          action:   'yoone_get_all_simple_products',
          security: YoonePBAdmin.security
        }).done(function(resp){
          if (resp && resp.success && Array.isArray(resp.data)) {
            // Clear then add all as selected
            $productSelect.empty();
            resp.data.forEach(function(item){
              var existing = $productSelect.find('option[value="'+item.id+'"]');
              if (!existing.length) {
                var opt = $('<option/>').val(item.id).text(item.text).prop('selected', true);
                $productSelect.append(opt);
              } else {
                existing.prop('selected', true);
              }
            });
            // Trigger change for select2/Woo product search
            $productSelect.trigger('change');
          }
        }).always(function(){
          $btn.prop('disabled', false);
          $productSelect.prop('disabled', false);
        });
      });
    }

    // Clear products list quickly
    if ($clearBtn.length && $productSelect.length) {
      $clearBtn.on('click', function(){
        $productSelect.find('option').prop('selected', false);
        // For select2/Woo product search, simply trigger change after clearing selection
        $productSelect.val([]).trigger('change');
      });
    }
  });
})(jQuery);
    function renderEffectiveList(items, count) {
      var $list = $('#yoone_effective_products_list');
      var $count = $('.yoone-effective-count');
      if (!$list.length || !$count.length) return;
      $count.text(count || 0);
      var html = '';
      if (items && items.length) {
        html += '<ul class="yoone-effective-list" style="max-height:220px; overflow:auto; margin:0; padding-left:1.5em; border:1px solid #ddd; background:#fff;">';
        items.forEach(function(item){
          html += '<li>' + $('<div/>').text(item.text).html() + ' <span style="color:#999;">(#' + item.id + ')</span></li>';
        });
        html += '</ul>';
      } else {
        html += '<p class="description">No products will be available with the current configuration.</p>';
      }
      $list.html(html);
    }

    function recomputeEffective() {
      if (typeof YoonePBAdmin === 'undefined') return;
      var mode = $selectMode.val();
      var allowed = $productSelect.val() || [];
      $.post(YoonePBAdmin.ajax_url, {
        action:   'yoone_calc_effective_products',
        security: YoonePBAdmin.security,
        select_mode: mode,
        allowed_products: allowed
      }).done(function(resp){
        if (resp && resp.success && resp.data) {
          renderEffectiveList(resp.data.items || [], resp.data.count || 0);
        }
      });
    }

    // 初始化：根据当前模式更新显示并首次计算有效列表
    updateProductsListState();
    recomputeEffective();

    // 事件：模式切换与列表变更时重新计算
    if ($selectMode.length) {
      $selectMode.on('change', function(){
        updateProductsListState();
        recomputeEffective();
      });
    }
    if ($productSelect.length) {
      $productSelect.on('change', recomputeEffective);
    }

    // 刷新按钮：手动触发重新计算
    var $refresh = $('.yoone-refresh-effective-products');
    if ($refresh.length) {
      $refresh.on('click', function(){
        recomputeEffective();
      });
    }