// 操作日志管理
(() => {
  let currentPage = 1;
  const pageSize = 50;
  
  Router.register('/system/operations-log', async () => {
    const html = `
      <div class="page-header">
        <h1>操作日志</h1>
        <div class="page-actions">
          <input type="text" id="keyword-filter" class="input" placeholder="搜索操作详情..." style="width: 200px; margin-right: 10px;" />
          <button id="search-btn" class="btn btn-secondary">搜索</button>
          <button id="cleanup-btn" class="btn btn-danger" style="margin-left: 10px;">清理旧日志</button>
        </div>
      </div>
      
      <div class="card">
        <div class="card-body">
          <div class="table-container">
            <table class="data-table">
              <thead>
                <tr>
                  <th style="width: 60px;">ID</th>
                  <th style="width: 100px;">用户</th>
                  <th style="width: 150px;">操作类型</th>
                  <th>操作详情</th>
                  <th style="width: 180px;">操作时间</th>
                </tr>
              </thead>
              <tbody id="log-list">
                <tr>
                  <td colspan="5" class="text-center">加载中...</td>
                </tr>
              </tbody>
            </table>
          </div>
          
          <div id="pagination" style="margin-top: 20px; display: flex; justify-content: space-between; align-items: center;">
            <div id="page-info"></div>
            <div>
              <button id="prev-btn" class="btn btn-secondary" disabled>上一页</button>
              <button id="next-btn" class="btn btn-secondary" style="margin-left: 10px;">下一页</button>
            </div>
          </div>
        </div>
      </div>
    `;
    
    setTimeout(() => {
      loadLogs();
      
      document.getElementById('search-btn')?.addEventListener('click', () => {
        currentPage = 1;
        loadLogs();
      });
      
      document.getElementById('keyword-filter')?.addEventListener('keypress', (e) => {
        if (e.key === 'Enter') {
          currentPage = 1;
          loadLogs();
        }
      });
      
      document.getElementById('cleanup-btn')?.addEventListener('click', cleanupLogs);
      document.getElementById('prev-btn')?.addEventListener('click', () => {
        if (currentPage > 1) {
          currentPage--;
          loadLogs();
        }
      });
      document.getElementById('next-btn')?.addEventListener('click', () => {
        currentPage++;
        loadLogs();
      });
    }, 100);
    
    return html;
  });
  
  // 操作类型中文映射
  const actionLabels = {
    'login': '登录',
    'logout': '登出',
    'create_customer_order': '创建客户订单',
    'update_customer_order': '更新客户订单',
    'delete_customer_order': '删除客户订单',
    'create_reconciliation': '创建对账单',
    'update_reconciliation': '更新对账单',
    'delete_reconciliation': '删除对账单',
    'batch_delete_reconciliation': '批量删除对账单',
    'batch_delete_reconciliations': '批量删除对账单',
    'create_work_order': '创建工单',
    'update_work_order': '更新工单',
    'delete_work_order': '删除工单',
    'confirm_work_order': '确认工单',
    'create_bom': '创建BOM',
    'update_bom': '更新BOM',
    'delete_bom': '删除BOM',
    'import_bom': '导入BOM',
    'create_initial_stock': '创建期初库存',
    'update_initial_stock': '更新期初库存',
    'delete_initial_stock': '删除期初库存',
    'import_initial_stock': '导入期初库存',
    'create_purchase_demand': '创建采购需求',
    'update_purchase_demand': '更新采购需求',
    'delete_purchase_demand': '删除采购需求',
    'create_material_purchase': '创建物料采购',
    'update_material_purchase': '更新物料采购',
    'delete_material_purchase': '删除物料采购',
    'batch_delete_material_purchase': '批量删除物料采购',
    'import_material_purchase': '导入物料采购',
    'cleanup_operations_log': '清理操作日志',
    'add_personnel': '添加人员',
    'upload_sop': '上传SOP',
    'delete_sop': '删除SOP',
    'upload_mac': '上传MAC',
    'upload_stats': '上传统计',
    'upload_repairs': '上传返修',
    'upload_shipments': '上传发货',
    'create_shipment': '创建发货',
    'delete_shipment': '删除发货',
    'clear_redis': '清空缓存',
    'audit_yt_cost': '审核易泰勒成本',
    'audit_yt_probe': '审核易泰勒探针',
    'audit_pdd_cost': '审核拼多多成本',
    'audit_pdd_probe': '审核拼多多探针',
    'upload_shipment': '上传发货记录'
  };
  
  function getActionLabel(action) {
    return actionLabels[action] || action;
  }
  
  async function loadLogs() {
    try {
      const keyword = document.getElementById('keyword-filter')?.value || '';
      const res = await fetch(`/api/operations-log?page=${currentPage}&page_size=${pageSize}&keyword=${encodeURIComponent(keyword)}`);
      const data = await res.json();
      
      const tbody = document.getElementById('log-list');
      if (!tbody) return;
      
      if (!data.list || data.list.length === 0) {
        tbody.innerHTML = '<tr><td colspan="5" class="text-center">暂无数据</td></tr>';
        updatePagination(0);
        return;
      }
      
      tbody.innerHTML = data.list.map(log => `
        <tr>
          <td>${log.id}</td>
          <td>${log.username || '—'}</td>
          <td><span class="badge">${getActionLabel(log.action)}</span></td>
          <td style="max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;" title="${escapeHtml(log.detail || '')}">${log.detail || '—'}</td>
          <td>${formatTime(log.ts)}</td>
        </tr>
      `).join('');
      
      updatePagination(data.total);
    } catch (err) {
      console.error('加载操作日志失败:', err);
      API.toast('加载失败', 'error');
    }
  }
  
  function updatePagination(total) {
    const pageInfo = document.getElementById('page-info');
    const prevBtn = document.getElementById('prev-btn');
    const nextBtn = document.getElementById('next-btn');
    
    const totalPages = Math.ceil(total / pageSize);
    
    if (pageInfo) {
      pageInfo.textContent = `共 ${total} 条记录，第 ${currentPage}/${totalPages || 1} 页`;
    }
    
    if (prevBtn) {
      prevBtn.disabled = currentPage <= 1;
    }
    
    if (nextBtn) {
      nextBtn.disabled = currentPage >= totalPages;
    }
  }
  
  function formatTime(ts) {
    if (!ts) return '—';
    try {
      const date = new Date(ts);
      return date.toLocaleString('zh-CN', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit',
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
      });
    } catch {
      return ts;
    }
  }
  
  function escapeHtml(str) {
    if (!str) return '';
    return str.replace(/&/g, '&amp;')
              .replace(/</g, '&lt;')
              .replace(/>/g, '&gt;')
              .replace(/"/g, '&quot;');
  }
  
  async function cleanupLogs() {
    if (!confirm('确定要清理3个月前的旧日志吗？此操作不可恢复。')) {
      return;
    }
    
    try {
      const res = await fetch('/api/operations-log/cleanup', {
        method: 'DELETE'
      });
      
      const data = await res.json();
      
      if (res.ok && data.ok) {
        API.toast(data.message, 'success');
        loadLogs();
      } else {
        API.toast(data.error || '清理失败', 'error');
      }
    } catch (err) {
      console.error('清理日志失败:', err);
      API.toast('清理失败', 'error');
    }
  }
})();