{% extends "base_template.html" %}
{% from "courses/admin/_form.html" import flashes with context %}

{% block title %}{{ _('History of %(name)s', name=page.name) }}{% endblock %}

{% block content %}
<div class="d-flex flex-column align-items-start gap-2 mb-4">
    <div>
        <h1 class="h3 mb-0">{{ _('History') }}</h1>
        <p class="text-muted mb-0">{{ page.name }} · {{ course.name }}</p>
    </div>
    <div class="d-flex gap-2">
        <a href="{{ url_for('courses.admin_page_edit', page_id=page.id) }}" class="btn btn-outline-secondary">{{ _('Back to the page') }}</a>
    </div>
</div>

{{ flashes() }}

<div class="card">
    <div class="card-header">
        <strong>{{ _('Previous versions') }}</strong>
        <div class="text-muted small">
            {{ _('Each entry is what the page said before that edit. The newest is at the top.') }}
        </div>
    </div>
    <div class="table-responsive">
        <table class="table align-middle mb-0">
            <thead>
                <tr>
                    <th>{{ _('Saved over') }}</th>
                    <th>{{ _('Title at the time') }}</th>
                    <th>{{ _('By') }}</th>
                    <th class="text-end">{{ _('Actions') }}</th>
                </tr>
            </thead>
            <tbody>
                {% for revision in revisions %}
                <tr>
                    <td>{{ revision.created_at | course_datetime }}</td>
                    <td>
                        {{ revision.name }}
                        {% if revision.name != page.name %}
                        {# Worth saying out loud: a renamed page is an edit a
                           reader notices as much as a rewritten paragraph. #}
                        <span class="badge bg-secondary">{{ _('renamed since') }}</span>
                        {% endif %}
                    </td>
                    <td class="text-muted">{{ revision.author_email or _('unknown') }}</td>
                    <td class="text-end">
                        <a href="{{ url_for('courses.admin_page_revision', page_id=page.id, revision_id=revision.id) }}"
                           class="btn btn-sm btn-outline-secondary">{{ _('Compare') }}</a>
                    </td>
                </tr>
                {% else %}
                <tr>
                    <td colspan="4" class="text-muted text-center py-4">
                        {# Not an error. A page that has never been edited since
                           the history began simply has none, and saying so
                           plainly beats an empty table. #}
                        {{ _('This page has not been edited since the history started.') }}
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>
</div>
{% endblock %}