{% if theme() and file_exists('app/templates/themes/' + theme() + '/base.html') -%}
    {% extends 'themes/' + theme() + '/base.html' -%}
{% else -%}
    {% extends "base.html" -%}
{% endif -%} -%}
{% from 'bootstrap5/form.html' import render_form -%}
{% set active_child = 'list_topics' -%}

{% block app_content -%}
{% if len(topics) > 0 -%}
    {% macro render_topic(topic, depth) -%}
        <li>
            {% if depth == 0 -%}<strong>{% endif -%}
                <a href="/topic/{{ topic['topic'].path() }}">{{ topic['topic'].name }}</a>
            {% if depth == 0 -%}</strong>{% endif -%}
            {% if topic['children'] -%}
                <ul>
                {% for topic in topic['children'] -%}
                    {{ render_topic(topic, depth + 1)|safe }}
                {% endfor -%}
                </ul>
            {% endif -%}
        </li>
    {% endmacro -%}
    <h1>{{ _('Choose a topic') }}</h1>
    <div class="table-responsive-md mt-4">
        <ul class="topics_list">
            {% for topic in topics -%}
                {{ render_topic(topic, 0)|safe }}
            {% endfor -%}
        </ul>
    </div>
{% else -%}
<p>{{ _('There are no communities yet.') }}</p>
{% endif -%}
<p><a href="/communities" class="btn btn-primary">{{ _('Explore communities') }}</a></p>
{% endblock -%}