{# rows array #}
{# classifiedsAmount int[] #}
{# activeCategorySlug string #}

{% macro next_level(row, classifiedsAmount, activeCategorySlug) %}
    {% if row.siblings|length > 0 %}
        <ul class="side_menu__sublist">
            {% for sibling in row.siblings %}
                {# subcategory \App\ClassifiedsBundle\Entity\ClassifiedCategory #}
                {% set subcategory = sibling.item %}
                {% set subcategoryLink = path('classifieds_category', {
                    section: sections.current.locale.slug,
                    slug: subcategory.locale.slug
                }) %}

                {% set anchor_classes = ['side_menu__sublink', 'js-sidebar_menu_link'] %}

                {% if subcategory.locale.slug in [app.request.get('slug'), activeCategorySlug] %}
                    {% set anchor_classes = anchor_classes|merge(['active']) %}
                {% endif %}

                <li
                    class="side_menu__item side_menu__item--subitem js-sidebar_menu_item"
                    data-id="{{ subcategory.id }}"
                >
                    <a
                        class="{{ anchor_classes|join(' ') }}"
                        href="{{ subcategoryLink }}"
                        title="{{ 'Zobacz ogłoszenia z kategorii ' ~ subcategory.locale.title }}"
                    >
                        <span class="side_menu__section js-label">
                            {{- subcategory.locale.title -}}
                        </span>
                        <span class="side_menu__amount color_other">
                            {{- '[' ~ classifiedsAmount[sibling.item.id]|default(0) ~ ']' -}}
                        </span>
                    </a>
                    {{ _self.next_level(sibling, classifiedsAmount, activeCategorySlug) }}
                </li>
            {% endfor %}
        </ul>
    {% endif %}
{% endmacro %}

<div class="sidebar__header subheading subheading--dark">
    {{- 'Kategorie ogłoszeń' -}}
</div>
<div class="sidebar__content sidebar__content--no_padding">
    <ul class="side_menu">
        {% for row in rows %}
            {# category \App\ClassifiedsBundle\Entity\ClassifiedCategory #}
            {% set category = row.item %}
            {% set categoryLink = path('classifieds_category', {
                section: sections.current.locale.slug,
                slug: category.locale.slug
            }) %}

            {% set item_classes = ['side_menu__item', 'side_menu__item--level0', 'js-sidebar_menu_item'] %}
            {% set link_classes = ['side_menu__link', 'side_menu__link--small'] %}

            {% if row.siblings|length > 0 %}
                {% set link_classes = link_classes|merge(['js-sidebar_menu_link']) %}
            {% endif %}

            <li
                class="{{ item_classes|join(' ') }}"
                data-id="{{ category.id }}"
            >
                <a
                    href="{{ categoryLink }}"
                    class="{{ link_classes|join(' ') }}"
                    title="{{ 'Zobacz ogłoszenia z kategorii ' ~ category.locale.title }}"
                >
                    <span class="side_menu__label js-label">
                        {{- category.locale.title -}}
                    </span>
                    <span class="side_menu__amount color_other">
                        {{- '[' ~ classifiedsAmount[row.item.id]|default(0) ~ ']' -}}
                    </span>
                </a>
                {{ _self.next_level(row, classifiedsAmount, activeCategorySlug) }}
            </li>
        {% endfor %}
    </ul>
</div>