{% extends "admin/change_list.html" %}
{% load i18n admin_urls static admin_list %}

{% block extrahead %}
    {{ block.super }}
    <style>
        .dataset-switcher {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 4px;
            padding: 15px;
            margin-bottom: 20px;
        }
        .dataset-switcher h3 {
            margin-top: 0;
            margin-bottom: 10px;
            font-size: 14px;
            font-weight: bold;
        }
        .dataset-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .dataset-item {
            display: inline-block;
            padding: 8px 16px;
            background: white;
            border: 1px solid #dee2e6;
            border-radius: 4px;
            text-decoration: none;
            color: #495057;
            transition: all 0.2s;
        }
        .dataset-item:hover {
            background: #e9ecef;
            border-color: #adb5bd;
        }
        .dataset-item.active {
            background: #007bff;
            color: white;
            border-color: #007bff;
        }
        .dataset-count {
            margin-left: 8px;
            color: #6c757d;
            font-size: 0.9em;
        }
        .dataset-item.active .dataset-count {
            color: rgba(255, 255, 255, 0.8);
        }
    </style>
{% endblock %}

{% block content %}
    <div style="margin-bottom: 16px;">
        <a href="{{ folder_upload_url }}" class="button" style="background: #417690; color: #fff; padding: 10px 14px; text-decoration: none; border-radius: 4px;">
            📁 批量上传材料文件夹
        </a>
    </div>
    <div class="dataset-switcher">
        <h3>📊 数据集切换</h3>
        <div class="dataset-list">
            <a href="?{% if request.GET %}{{ request.GET.urlencode|urlencode }}{% endif %}" 
               class="dataset-item {% if not current_dataset %}active{% endif %}">
                全部数据集
                <span class="dataset-count">({{ cl.result_count }})</span>
            </a>
            {% for dataset in datasets %}
                <a href="?dataset__exact={{ dataset|urlencode }}" 
                   class="dataset-item {% if current_dataset == dataset %}active{% endif %}">
                    {{ dataset }}
                    {% for ds_info in dataset_counts %}
                        {% if ds_info.name == dataset %}
                            <span class="dataset-count">({{ ds_info.count }})</span>
                        {% endif %}
                    {% endfor %}
                </a>
            {% endfor %}
        </div>
    </div>
    {{ block.super }}
{% endblock %}