{% extends "base.html" %}
{% block title %}库存看板{% endblock %}
{% block content %}
<div class="stats">
  <div class="stat"><div class="num">{{ rows|length }}</div><div class="lbl">物料种类</div></div>
  <div class="stat warn"><div class="num">{{ low }}</div><div class="lbl">低于安全库存</div></div>
  <div class="stat danger"><div class="num">{{ negative }}</div><div class="lbl">库存为负(缺料)</div></div>
</div>

<h3>库存预警看板</h3>
<table class="tbl">
  <thead>
    <tr><th>物料编号</th><th>型号 / 规格</th><th>单位</th><th>在库</th><th>安全库存</th><th>状态</th></tr>
  </thead>
  <tbody>
    {% for r in rows %}
    <tr class="{{ 'row-'+r.status }}">
      <td>{{ r.m.part_number }}</td>
      <td>{{ r.m.manufacturer or '-' }}</td>
      <td>{{ r.m.unit }}</td>
      <td class="num">{{ '%.2f'|format(r.stock) }}</td>
      <td class="num">{{ '%.2f'|format(r.m.safety_stock or 0) }}</td>
      <td>
        {% if r.status=='danger' %}<span class="badge danger">缺料</span>
        {% elif r.status=='warn' %}<span class="badge warn">偏低</span>
        {% else %}<span class="badge ok">正常</span>{% endif %}
      </td>
    </tr>
    {% else %}
    <tr><td colspan="6" class="muted">暂无物料, 请先到"物料"页面添加</td></tr>
    {% endfor %}
  </tbody>
</table>
{% endblock %}