@model SpecificationFilterModel

<div class="product-filter product-spec-filter">
    <h2 class="filter-title">
        @T("Filtering.SpecificationFilter")
    </h2>
    <div class="filter-content">
        @foreach (var attr in Model.Attributes)
        {
            <ul class="group product-spec-group @(attr.Values.Any(x => !string.IsNullOrEmpty(x.ColorSquaresRgb)) ? "product-spec-color" : null )">
                <li class="name">
                    <strong>@attr.Name</strong>
                </li>
                @foreach (var value in attr.Values)
                {
                    <li class="item @(!string.IsNullOrEmpty(value.ColorSquaresRgb) ? "color-item" : null)">
                        <input id="attribute-option-@value.Id" type="checkbox" data-option-id="@value.Id" checked="@value.Selected" />
                        @if (string.IsNullOrEmpty(value.ColorSquaresRgb))
                        {
                            <label for="attribute-option-@value.Id">
                                @value.Name
                            </label>
                        }
                        else
                        {
                            <label for="attribute-option-@value.Id" class="attribute-squares color-squares">
                                <span class="attribute-square" style="background-color: @(value.ColorSquaresRgb);"></span>
                                    @value.Name
                            </label>
                        }
                    </li>
                }
            </ul>
        }
    </div>
</div>
<script asp-location="Footer">
    $(function() {
        var $optionEls = $('[data-option-id]');
        $optionEls.on('change', function () {
            CatalogProducts.getProducts();
        });

        $(CatalogProducts).on('before', function (e) {
            var selectedOptions = $.map($optionEls, function (el) {
                var $optionEl = $(el);
                if ($optionEl.is(':checked')) return $optionEl.data('option-id');
                return null;
            });

            if (selectedOptions && selectedOptions.length > 0) {
                e.payload.urlBuilder
                    .addParameter('specs', selectedOptions.join(','));
            }
        });
    });
</script>