{% extends 'main/base.html' %}
{% block content %}

<h2 class="mb-4">Панель администратора — все заявки</h2>

<!-- Фильтр по статусу -->
<div class="mb-4">
    <form method="get" class="d-flex gap-3 align-items-center">
        <label class="fw-bold">Фильтр по статусу:</label>
        <select name="status" class="form-select w-auto" onchange="this.form.submit()">
            <option value="">Все</option>
            <option value="new"    {% if status_filter == 'new'    %}selected{% endif %}>Новая</option>
            <option value="training" {% if status_filter == 'training' %}selected{% endif %}>Идет обучение</option>
            <option value="completed"{% if status_filter == 'completed' %}selected{% endif %}>Обучение завершено</option>
        </select>
    </form>
</div>

{% if page_obj %}
    <div class="table-responsive">
        <table class="table table-striped table-hover table-bordered">
            <thead class="table-dark">
                <tr>
                    <th>Пользователь</th>
                    <th>Курс</th>
                    <th>Дата начала</th>
                    <th>Оплата</th>
                    <th>Статус</th>
                    <th>Дата подачи</th>
                    <th>Действие</th>
                </tr>
            </thead>
            <tbody>
                {% for app in page_obj %}
                <tr>
                    <td>{{ app.user.fio }}<br><small>{{ app.user.username }}</small></td>
                    <td>{{ app.get_course_display }}</td>
                    <td>{{ app.start_date|date:"d.m.Y" }}</td>
                    <td>{{ app.get_payment_method_display }}</td>
                    <td>
                        <span class="badge bg-{% if app.status == 'new' %}warning{% elif app.status == 'training' %}info{% else %}success{% endif %} fs-6">
                            {{ app.get_status_display }}
                        </span>
                    </td>
                    <td>{{ app.created_at|date:"d.m.Y H:i" }}</td>
                    <td>
                        <form method="post" class="d-flex gap-2">
                            {% csrf_token %}
                            <input type="hidden" name="app_id" value="{{ app.id }}">
                            <select name="new_status" class="form-select form-select-sm">
                                <option value="new"      {% if app.status == 'new'      %}selected{% endif %}>Новая</option>
                                <option value="training" {% if app.status == 'training' %}selected{% endif %}>Идет обучение</option>
                                <option value="completed"{% if app.status == 'completed' %}selected{% endif %}>Обучение завершено</option>
                            </select>
                            <button type="submit" class="btn btn-sm btn-primary">Изменить</button>
                        </form>
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>

    <!-- Пагинация -->
    {% if page_obj.has_other_pages %}
    <nav aria-label="Page navigation">
        <ul class="pagination justify-content-center mt-4">
            {% if page_obj.has_previous %}
                <li class="page-item"><a class="page-link" href="?page=1{% if status_filter %}&status={{ status_filter }}{% endif %}">««</a></li>
                <li class="page-item"><a class="page-link" href="?page={{ page_obj.previous_page_number }}{% if status_filter %}&status={{ status_filter }}{% endif %}">«</a></li>
            {% endif %}

            {% for num in page_obj.paginator.page_range %}
                <li class="page-item {% if page_obj.number == num %}active{% endif %}">
                    <a class="page-link" href="?page={{ num }}{% if status_filter %}&status={{ status_filter }}{% endif %}">{{ num }}</a>
                </li>
            {% endfor %}

            {% if page_obj.has_next %}
                <li class="page-item"><a class="page-link" href="?page={{ page_obj.next_page_number }}{% if status_filter %}&status={{ status_filter }}{% endif %}">»</a></li>
                <li class="page-item"><a class="page-link" href="?page={{ page_obj.paginator.num_pages }}{% if status_filter %}&status={{ status_filter }}{% endif %}">»»</a></li>
            {% endif %}
        </ul>
    </nav>
    {% endif %}

{% else %}
    <div class="alert alert-info">
        Заявок пока нет.
    </div>
{% endif %}

{% endblock %}