{% load roost_tags %}
{% if nav %}
<ul class="roost-nav">
  {% for block in nav.navigation %}
    {% if block.block_type == "item" %}
      {% if block.value.children %}
        <li>
          <details class="dropdown">
            <summary>{% if block.value.title %}{{ block.value.title }}{% else %}{{ block.value.page.title }}{% endif %}</summary>
            <ul>
              {% if block.value.page or block.value.external_url %}
                <li>{% include "roost/includes/_navigation_link.html" with link=block.value %}</li>
              {% endif %}
              {% for child in block.value.children %}
                {% if child.block_type == "link" %}
                  <li>{% include "roost/includes/_navigation_link.html" with link=child.value %}</li>
                {% else %}
                  <li>{% sub_navigation child.value seen_codes %}</li>
                {% endif %}
              {% endfor %}
            </ul>
          </details>
        </li>
      {% else %}
        <li>{% include "roost/includes/_navigation_link.html" with link=block.value %}</li>
      {% endif %}
    {% else %}
      <li>{% sub_navigation block.value seen_codes %}</li>
    {% endif %}
  {% endfor %}
</ul>
{% endif %}