// 委外发料管理
(() => {
  let issueList = [];
  let outsourcingOrders = [];
  let currentPage = 1;
  const pageSize = 20;

  Router.register('/outsourcing-mgmt/material-issue', async () => {
    const html = `
      <style>
        #material-issue-page .page-header {
          padding: 20px;
          background: var(--surface);
          border-bottom: 1px solid var(--border);
          flex-shrink: 0;
        }
        
        #material-issue-page .content-area {
          flex: 1;
          padding: 20px;
          overflow: hidden;
          display: flex;
          flex-direction: column;
        }
        
        #material-issue-page .table-wrapper {
          flex: 1;
          overflow: auto;
          background: var(--surface);
          border: 1px solid var(--border);
          border-radius: 12px;
        }
        
        #material-issue-page table {
          width: 100%;
          border-collapse: collapse;
          margin: 0;
        }
        
        #material-issue-page thead {
          background: var(--border);
          position: sticky;
          top: 0;
          z-index: 10;
        }
        
        #material-issue-page th {
          padding: 8px 12px;
          text-align: left;
          font-weight: 600;
          color: var(--text);
          border-bottom: 2px solid var(--border);
          font-size: 14px;
          white-space: nowrap;
        }
        
        #material-issue-page td {
          padding: 8px 12px;
          border-bottom: 1px solid var(--border);
          color: var(--text);
          font-size: 14px;
        }
        
        #material-issue-page tbody tr:hover {
          background: var(--hover);
        }
      </style>
      
      <div id="material-issue-page">
        <div class="page-header">
          <h1 style="margin: 0; font-size: 24px;">委外发料管理</h1>
          <div class="page-actions" style="margin-top: 16px;">
            <button id="add-issue-btn" class="btn btn-primary">新增发料单</button>
          </div>
        </div>
        
        <div class="content-area">
          <div class="filter-section" style="padding: 20px; display: flex; gap: 15px; align-items: center;">
            <input type="text" id="search-keyword" class="input" placeholder="搜索发料单号、委外工单号或物料" style="flex: 1; max-width: 400px;" />
            <button class="btn btn-secondary" onclick="MaterialIssue.search()">搜索</button>
            <button class="btn btn-secondary" onclick="MaterialIssue.resetSearch()">重置</button>
          </div>
          
          <div class="table-wrapper">
            <table>
              <thead>
                <tr>
                  <th>发料单号</th>
                  <th>委外工单号</th>
                  <th>物料编码</th>
                  <th>物料名称</th>
                  <th>发料数量</th>
                  <th>单位</th>
                  <th>发料日期</th>
                  <th>创建人</th>
                  <th>创建时间</th>
                </tr>
              </thead>
              <tbody id="issue-list">
                <tr><td colspan="9" class="text-center">加载中...</td></tr>
              </tbody>
            </table>
          </div>
          
          <div class="pagination" id="pagination" style="padding: 20px; display: flex; justify-content: center; gap: 8px;"></div>
        </div>
      </div>
      
      <!-- 新增发料单弹窗 -->
      <div id="issue-modal" class="modal" style="display:none;">
        <div class="modal-content" style="max-width: 800px;">
          <div class="modal-header">
            <h2>新增委外发料单</h2>
            <button class="modal-close" onclick="MaterialIssue.closeModal()">&times;</button>
          </div>
          <div class="modal-body">
            <div class="field">
              <label>关联委外工单号 <span style="color: var(--danger);">*</span></label>
              <select id="outsourcing-order-no" class="input" onchange="MaterialIssue.loadOrderMaterials()">
                <option value="">请选择委外工单</option>
              </select>
            </div>
            <div class="field">
              <label>发料日期 <span style="color: var(--danger);">*</span></label>
              <input type="date" id="issue-date" class="input" />
            </div>
            <div id="material-section" style="display: none; margin-top: 20px;">
              <h3 style="margin-bottom: 10px;">发料明细</h3>
              <div class="table-wrapper" style="max-height: 400px; overflow: auto;">
                <table>
                  <thead>
                    <tr>
                      <th>物料编码</th>
                      <th>物料名称</th>
                      <th>BOM用量</th>
                      <th>需发数量</th>
                      <th>实际发料数量 <span style="color: var(--danger);">*</span></th>
                      <th>单位</th>
                    </tr>
                  </thead>
                  <tbody id="material-list">
                  </tbody>
                </table>
              </div>
            </div>
          </div>
          <div class="modal-footer">
            <button class="btn btn-secondary" onclick="MaterialIssue.closeModal()">取消</button>
            <button class="btn btn-primary" onclick="MaterialIssue.save()">确认发料</button>
          </div>
        </div>
      </div>
    `;
    
    setTimeout(() => {
      document.getElementById('add-issue-btn')?.addEventListener('click', () => openModal());
      document.getElementById('search-keyword')?.addEventListener('keypress', (e) => {
        if (e.key === 'Enter') search();
      });
      const today = new Date().toISOString().split('T')[0];
      const dateInput = document.getElementById('issue-date');
      if (dateInput) dateInput.value = today;
      loadList();
      loadOutsourcingOrders();
    }, 0);
    
    return html;
  });

  async function loadList() {
    try {
      const res = await API.get('/api/outsourcing-material-issue');
      issueList = res.list || [];
      renderList();
    } catch (e) {
      console.error('加载发料列表失败:', e);
      document.getElementById('issue-list').innerHTML = '<tr><td colspan="9" class="text-center" style="color: var(--danger);">加载失败</td></tr>';
    }
  }

  async function loadOutsourcingOrders() {
    try {
      const res = await API.get('/api/outsourcing-orders');
      outsourcingOrders = res.list || [];
      const select = document.getElementById('outsourcing-order-no');
      if (select) {
        select.innerHTML = '<option value="">请选择委外工单</option>' + 
          outsourcingOrders.map(o => `<option value="${escapeHtml(o.order_no)}">${escapeHtml(o.order_no)} - ${escapeHtml(o.product_name)} (${o.production_qty}台)</option>`).join('');
      }
    } catch (e) {
      console.error('加载委外工单失败:', e);
    }
  }

  async function loadOrderMaterials() {
    const orderNo = document.getElementById('outsourcing-order-no').value;
    if (!orderNo) {
      document.getElementById('material-section').style.display = 'none';
      return;
    }
    
    try {
      const order = outsourcingOrders.find(o => o.order_no === orderNo);
      if (!order) return;
      
      const res = await API.get(`/api/outsourcing-orders/${order.id}`);
      const materials = res.materials || [];
      
      if (materials.length > 0) {
        document.getElementById('material-section').style.display = 'block';
        document.getElementById('material-list').innerHTML = materials.map((m, idx) => `
          <tr>
            <td>${escapeHtml(m.material_code)}</td>
            <td>${escapeHtml(m.material_name)}</td>
            <td>${m.bom_unit_qty}</td>
            <td style="font-weight: 600; color: var(--info);">${m.need_qty}</td>
            <td>
              <input type="number" 
                id="issue-qty-${idx}" 
                class="input" 
                min="0" 
                value="${m.need_qty}" 
                style="width: 100px;"
                data-material-code="${escapeHtml(m.material_code)}"
                data-material-name="${escapeHtml(m.material_name)}"
                data-unit="${escapeHtml(m.unit)}" />
            </td>
            <td>${escapeHtml(m.unit)}</td>
          </tr>
        `).join('');
      }
    } catch (e) {
      console.error('加载物料明细失败:', e);
      alert('加载物料明细失败');
    }
  }

  function renderList() {
    const tbody = document.getElementById('issue-list');
    const keyword = (document.getElementById('search-keyword')?.value || '').toLowerCase();
    
    let filtered = issueList;
    if (keyword) {
      filtered = issueList.filter(item => 
        (item.issue_no || '').toLowerCase().includes(keyword) ||
        (item.outsourcing_order_no || '').toLowerCase().includes(keyword) ||
        (item.material_code || '').toLowerCase().includes(keyword) ||
        (item.material_name || '').toLowerCase().includes(keyword)
      );
    }
    
    const totalPages = Math.ceil(filtered.length / pageSize);
    const start = (currentPage - 1) * pageSize;
    const pageData = filtered.slice(start, start + pageSize);
    
    if (pageData.length === 0) {
      tbody.innerHTML = '<tr><td colspan="9" class="text-center">暂无数据</td></tr>';
    } else {
      tbody.innerHTML = pageData.map(item => `
        <tr>
          <td><span style="font-family: monospace; font-size: 12px;">${escapeHtml(item.issue_no || '')}</span></td>
          <td>${escapeHtml(item.outsourcing_order_no || '')}</td>
          <td>${escapeHtml(item.material_code || '')}</td>
          <td>${escapeHtml(item.material_name || '')}</td>
          <td style="font-weight: 600; color: var(--primary);">${item.issue_qty || 0}</td>
          <td>${escapeHtml(item.unit || 'pcs')}</td>
          <td>${escapeHtml(item.issue_date || '')}</td>
          <td>${escapeHtml(item.created_by || '')}</td>
          <td>${formatTime(item.created_at)}</td>
        </tr>
      `).join('');
    }
    
    renderPagination(totalPages);
  }

  function renderPagination(totalPages) {
    const container = document.getElementById('pagination');
    if (totalPages <= 1) {
      container.innerHTML = '';
      return;
    }
    
    let html = '';
    html += `<button class="btn btn-sm btn-secondary" ${currentPage <= 1 ? 'disabled' : ''} onclick="MaterialIssue.goPage(${currentPage - 1})">上一页</button>`;
    html += `<span style="padding: 0 12px; line-height: 32px;">第 ${currentPage} / ${totalPages} 页</span>`;
    html += `<button class="btn btn-sm btn-secondary" ${currentPage >= totalPages ? 'disabled' : ''} onclick="MaterialIssue.goPage(${currentPage + 1})">下一页</button>`;
    container.innerHTML = html;
  }

  function openModal() {
    document.getElementById('outsourcing-order-no').value = '';
    const today = new Date().toISOString().split('T')[0];
    document.getElementById('issue-date').value = today;
    document.getElementById('material-section').style.display = 'none';
    document.getElementById('issue-modal').style.display = 'flex';
  }

  function closeModal() {
    document.getElementById('issue-modal').style.display = 'none';
  }

  async function save() {
    const outsourcing_order_no = document.getElementById('outsourcing-order-no').value.trim();
    const issue_date = document.getElementById('issue-date').value.trim();
    
    if (!outsourcing_order_no || !issue_date) {
      alert('请填写所有必填字段');
      return;
    }
    
    const materials = [];
    const inputs = document.querySelectorAll('[id^="issue-qty-"]');
    inputs.forEach(input => {
      const qty = parseInt(input.value) || 0;
      if (qty > 0) {
        materials.push({
          material_code: input.dataset.materialCode,
          material_name: input.dataset.materialName,
          issue_qty: qty,
          unit: input.dataset.unit
        });
      }
    });
    
    if (materials.length === 0) {
      alert('请至少填写一条发料数量');
      return;
    }
    
    try {
      const res = await API.post('/api/outsourcing-material-issue', {
        outsourcing_order_no,
        materials,
        issue_date
      });
      alert(`发料成功，发料单号：${res.issue_no}`);
      closeModal();
      loadList();
    } catch (e) {
      alert(e.message || '发料失败');
    }
  }

  function search() {
    currentPage = 1;
    renderList();
  }

  function resetSearch() {
    document.getElementById('search-keyword').value = '';
    currentPage = 1;
    renderList();
  }

  function goPage(page) {
    currentPage = page;
    renderList();
  }

  function formatTime(ts) {
    if (!ts) return '-';
    try {
      const d = new Date(ts);
      return d.toLocaleString('zh-CN', { hour12: false });
    } catch {
      return ts;
    }
  }

  function escapeHtml(str) {
    if (!str) return '';
    return String(str).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
  }

  window.MaterialIssue = {
    search,
    resetSearch,
    closeModal,
    save,
    goPage,
    loadOrderMaterials
  };
})();