{% comment %}
Copyright (C) 2021 Sebastian Pipping <sebastian@pipping.org>
Licensed under GNU Affero GPL v3 or later

Requirement variables:
- page_obj
- page_items
- request (for url_for_page)

Required CSS classes (a la https://getbootstrap.com/docs/4.0/components/pagination/):
- active
- disabled
- pagination
- page-item
- page-link

{% endcomment %}
{% load i18n %}
{% load humanize %}
{% load pagination_urls %}

<nav>
    <ul class="pagination">
        {% if page_obj.has_previous %}
            <li class="page-item">
                <a class="page-link" href="{% url_for_page page_obj.previous_page_number %}">{% trans 'Previous' %}</a>
            </li>
        {% else %}
            <li class="page-item disabled">
                <a class="page-link" href="#">{% trans 'Previous' %}</a>
            </li>
        {% endif %}
        {% for page_number in page_items %}
            {% if page_number is None %}
                <li class="page-item disabled">
                    <a class="page-link" href="#">…</a>
                </li>
            {% else %}
                {% if page_items|length == 1 %}
                    <li class="page-item disabled">
                        <a class="page-link" href="#">{{ page_number }}</a>
                    </li>
                {% else %}
                    <li class="page-item {% if page_obj.number == page_number %}active{% endif %}">
                        <a class="page-link" href="{% url_for_page page_number %}">{{ page_number }}</a>
                    </li>
                {% endif %}
            {% endif %}
        {% endfor %}
        {% if page_obj.has_next %}
            <li class="page-item">
                <a class="page-link" href="{% url_for_page page_obj.next_page_number %}">{% trans 'Next' %}</a>
            </li>
        {% else %}
            <li class="page-item disabled">
                <a class="page-link" href="#">{% trans 'Next' %}</a>
            </li>
        {% endif %}
    </ul>
    <p>
        ({{ page_obj.start_index|intcomma }} {% trans 'to' %} {{ page_obj.end_index|intcomma }}; {{ page_obj.paginator.count|intcomma }} {% trans 'total' %})
    </p>
</nav>