{% extends 'ups_manager/base.html' %}

{% block content %}
<h2 class="mb-4">电池管理</h2>

<div class="card mb-4">
    <div class="card-body">
        <form method="get" class="row g-3">
            <div class="col-md-4">
                <input type="text" name="model" class="form-control" placeholder="型号" value="{{ request.GET.model }}">
            </div>
            <div class="col-md-4">
                <input type="text" name="brand" class="form-control" placeholder="品牌" value="{{ request.GET.brand }}">
            </div>
            <div class="col-md-4">
                <input type="text" name="location" class="form-control" placeholder="位置" value="{{ request.GET.location }}">
            </div>
            <div class="col-md-12">
                <button type="submit" class="btn btn-primary">搜索</button>
                <a href="{% url 'battery_add' %}" class="btn btn-success float-end">添加电池</a>
            </div>
        </form>
    </div>
</div>

<table class="table table-striped">
    <thead>
        <tr>
            <th>品牌</th>
            <th>型号</th>
            <th>重量(kg)</th>
            <th>数量</th>
            <th>存放位置</th>
            <th>已使用时长</th>
            <th>上次维保时间</th>
            <th>关联UPS</th>
            <th>操作</th>
        </tr>
    </thead>
    <tbody>
        {% for battery in battery_list %}
        <tr>
            <td>{{ battery.brand }}</td>
            <td>{{ battery.model }}</td>
            <td>{{ battery.weight }}</td>
            <td>{{ battery.quantity }}</td>
            <td>{{ battery.location }}</td>
            <td>{{ battery.used_years|default:"-" }} 年</td>
            <td>{{ battery.last_maintenance_date|default:"-" }}</td>
            <td>{{ battery.ups_host|default:"-" }}</td>
            <td>
                <a href="{% url 'battery_edit' battery.pk %}" class="btn btn-sm btn-info">编辑</a>
                <a href="{% url 'battery_delete' battery.pk %}" class="btn btn-sm btn-danger">删除</a>
            </td>
        </tr>
        {% empty %}
        <tr>
            <td colspan="9" class="text-center text-muted">暂无电池记录</td>
        </tr>
        {% endfor %}
    </tbody>
</table>

{% if is_paginated %}
<nav aria-label="Page navigation">
    <ul class="pagination justify-content-center">
        {% if page_obj.has_previous %}
        <li class="page-item">
            <a class="page-link" href="?page={{ page_obj.previous_page_number }}">上一页</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 }}">{{ num }}</a>
        </li>
        {% endfor %}
        {% if page_obj.has_next %}
        <li class="page-item">
            <a class="page-link" href="?page={{ page_obj.next_page_number }}">下一页</a>
        </li>
        {% endif %}
    </ul>
</nav>
{% endif %}
{% endblock %}