<section class="border-b border-gray-300 p-2 shrink-0 bg-control-panel">
  <span class="text-sm font-bold text-gray-700">기간별 판매현황</span>
</section>
<section class="p-2 bg-white border-b border-gray-200">
  <form method="GET" action="<?= base_url('admin/reports/period-sales') ?>" class="flex flex-wrap items-center gap-2">
    <label class="text-sm text-gray-600">시작일</label>
    <input type="date" name="start_date" value="<?= esc($startDate ?? '') ?>" class="border border-gray-300 rounded px-2 py-1 text-sm"/>
    <label class="text-sm text-gray-600">~</label>
    <input type="date" name="end_date" value="<?= esc($endDate ?? '') ?>" class="border border-gray-300 rounded px-2 py-1 text-sm"/>
    <button type="submit" class="bg-btn-search text-white px-4 py-1 rounded-sm text-sm">조회</button>
  </form>
</section>

<div class="border border-gray-300 overflow-auto mt-2">
  <table class="w-full data-table">
    <thead>
      <tr>
        <th>봉투코드</th>
        <th>봉투명</th>
        <th>판매수량</th>
        <th>판매금액</th>
        <th>반품수량</th>
        <th>반품금액</th>
        <th>합계수량</th>
        <th>합계금액</th>
      </tr>
    </thead>
    <tbody class="text-right">
      <?php
        $grandSaleQty = 0;
        $grandSaleAmount = 0;
        $grandReturnQty = 0;
        $grandReturnAmount = 0;
      ?>
      <?php foreach ($result as $row): ?>
      <?php
        $grandSaleQty += (int) $row->sale_qty;
        $grandSaleAmount += (int) $row->sale_amount;
        $grandReturnQty += (int) $row->return_qty;
        $grandReturnAmount += (int) $row->return_amount;
      ?>
      <tr>
        <td class="text-center font-mono"><?= esc($row->bs_bag_code) ?></td>
        <td class="text-left pl-2"><?= esc($row->bs_bag_name) ?></td>
        <td><?= number_format((int) $row->sale_qty) ?></td>
        <td><?= number_format((int) $row->sale_amount) ?></td>
        <td><?= number_format((int) $row->return_qty) ?></td>
        <td><?= number_format((int) $row->return_amount) ?></td>
        <td class="font-bold"><?= number_format((int) $row->sale_qty - (int) $row->return_qty) ?></td>
        <td class="font-bold"><?= number_format((int) $row->sale_amount - (int) $row->return_amount) ?></td>
      </tr>
      <?php endforeach; ?>
      <?php if (empty($result)): ?>
      <tr><td colspan="8" class="text-center text-gray-400 py-4">조회된 데이터가 없습니다.</td></tr>
      <?php endif; ?>
    </tbody>
    <tfoot class="bg-gray-50 font-bold text-right">
      <tr>
        <td colspan="2" class="text-center">합계</td>
        <td><?= number_format($grandSaleQty) ?></td>
        <td><?= number_format($grandSaleAmount) ?></td>
        <td><?= number_format($grandReturnQty) ?></td>
        <td><?= number_format($grandReturnAmount) ?></td>
        <td><?= number_format($grandSaleQty - $grandReturnQty) ?></td>
        <td><?= number_format($grandSaleAmount - $grandReturnAmount) ?></td>
      </tr>
    </tfoot>
  </table>
</div>
