{% import _self as menus %}
<div class="admin-toolbar__item">
  <h4 class="visually-hidden focusable">{{ title }}</h4>
  <ul class="toolbar-block__list">
    {{ menus.menu_items(items, attributes, 0) }}
  </ul>
</div>

{% macro menu_items(items, attributes, menu_level) %}
  {% for item in items %}

    {% set item_link_tag = 'a' %}

    {% if item.url.isRouted %}
      {% if item.url.routeName == '<nolink>' %}
        {% set item_link_tag = constant('\\Drupal\\Core\\GeneratedNoLink::TAG') %}
      {% elseif item.url.routeName == '<button>' %}
        {% set item_link_tag = constant('\\Drupal\\Core\\GeneratedButton::TAG') %}
      {% endif %}
    {% endif %}

    {% if item.url.options.attributes is empty %}
      {% set item_link_attributes = create_attribute() %}
    {% else %}
      {% set item_link_attributes = create_attribute(item.url.options.attributes) %}
    {% endif %}

    {% set item_id = ('navigation-link--' ~ item.original_link.pluginId)|clean_unique_id %}
    {% if menu_level == 0 %}
      {% if item.below is empty %}
        <li id="{{ item_id }}" class="toolbar-block__list-item">
          {% include 'navigation:toolbar-button' with {
            attributes: item_link_attributes.setAttribute('href', item.url|render|default(null)).setAttribute('data-drupal-tooltip', item.title).setAttribute('data-drupal-tooltip-class', 'admin-toolbar__tooltip'),
            icon: item.class|clean_class,
            html_tag: item_link_tag,
            text: item.title,
            modifiers: [
              'collapsible',
              item_link_tag == 'span' ? 'non-interactive' : null
            ]|filter(v => v is not null),
          } only %}
        </li>
      {% else %}
        <li id="{{ item_id }}" class="toolbar-block__list-item toolbar-popover" data-toolbar-popover>
          {% include 'navigation:toolbar-button' with {
            action: 'Extend'|t,
            attributes: create_attribute({
              'aria-expanded': 'false',
              'aria-controls': item_id,
              'data-toolbar-popover-control': true,
              'data-has-safe-triangle': true,
            }),
            icon: item.class|clean_class,
            text: item.title,
            modifiers: [
              'expand--side',
              'collapsible',
            ],
            extra_classes: [
              'toolbar-popover__control',
            ],
          } only %}
          <div class="toolbar-popover__wrapper" data-toolbar-popover-wrapper inert>
            {% if item.url %}
              {% include 'navigation:toolbar-button' with {
                attributes: item_link_attributes.setAttribute('href', item.url|render),
                html_tag: item_link_tag,
                text: item.title,
                modifiers: [
                  'large',
                  'dark',
                ],
                extra_classes: [
                  'toolbar-popover__header',
                ],
              } only %}
            {% else %}
              {% include 'navigation:toolbar-button' with {
                attributes: create_attribute(),
                modifiers: [
                  'large',
                  'dark',
                  'non-interactive',
                ],
                extra_classes: [
                  'toolbar-popover__header',
                ],
                html_tag: 'span',
                text: item.title,
              } only %}
            {% endif %}
            <ul class="toolbar-menu toolbar-popover__menu">
              {{ menus.menu_items(item.below, attributes, 1) }}
            </ul>
          </div>
        </li>
      {% endif %}

    {% elseif menu_level == 1 %}
      <li class="toolbar-menu__item toolbar-menu__item--level-{{ menu_level }}">
        {% if item.below is empty  %}
          {% include 'navigation:toolbar-button' with {
            attributes: item_link_attributes.setAttribute('href', item.url|render|default(null)),
            text: item.title,
            html_tag: item_link_tag,
            extra_classes: [
              item_link_tag == 'span' ? 'toolbar-button--non-interactive'
            ],
          } only %}
        {% else %}
          {% include 'navigation:toolbar-button' with {
            attributes: create_attribute({
              'aria-expanded': 'false',
              'data-toolbar-menu-trigger': menu_level,
            }),
            text: item.title,
            modifiers: ['expand--down'],
          } only %}
          <ul class="toolbar-menu toolbar-menu--level-{{ menu_level + 1 }}" inert>
            {{ menus.menu_items(item.below, attributes, menu_level + 1) }}
          </ul>
        {% endif %}
      </li>
    {% else %}
      <li class="toolbar-menu__item toolbar-menu__item--level-{{ menu_level }}">
        {% if item.below is empty  %}
          {{ link(item.title, item.url, {
            'class': [
              'toolbar-menu__link',
              'toolbar-menu__link--' ~ menu_level,
            ],
            'data-index-text': item.title|first|lower
          }) }}
        {% else %}
          <button
            class="toolbar-menu__link toolbar-menu__link--{{ menu_level }}"
            data-toolbar-menu-trigger="{{ menu_level }}"
            aria-expanded="false"
            data-index-text="{{ item.title|first|lower }}"
          >
            <span data-toolbar-action class="toolbar-menu__link-action visually-hidden">{{ 'Extend'|t }}</span>
            <span class="toolbar-menu__link-title">{{ item.title }}</span>
          </button>
          <ul class="toolbar-menu toolbar-menu--level-{{ menu_level + 1 }}" inert>
            {{ menus.menu_items(item.below, attributes, menu_level + 1) }}
          </ul>
        {% endif %}
      </li>
    {% endif %}
  {% endfor %}
{% endmacro %}