// 全局变量
let currentResults = null;
let currentIdenticalPage = 1;
let identicalPageSize = 10;
let filteredIdenticalResults = [];
let currentDifferencePage = 1;
let differencePageSize = 10;
let filteredDifferenceResults = [];

// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', function() {
    loadDefaultConfig();
    loadConfigGroups(); // 加载配置组列表
});

// 加载配置组列表
async function loadConfigGroups() {
    try {
        const response = await fetch('/api/config-groups');
        const result = await response.json();
        
        if (result.success) {
            const select = document.getElementById('configGroupSelect');
            select.innerHTML = '<option value="">选择配置组...</option>';
            
            result.data.forEach(group => {
                const option = document.createElement('option');
                option.value = group.id;
                option.textContent = `${group.name} (${group.description || '无描述'})`;
                select.appendChild(option);
            });
            
            if (result.data.length === 0) {
                console.log('暂无配置组，数据库已就绪');
            }
        } else {
            console.error('加载配置组失败:', result.error);
            // 如果是数据库问题，显示友好提示
            if (result.error && result.error.includes('table')) {
                showAlert('info', '正在初始化数据库，请稍后再试');
            }
        }
    } catch (error) {
        console.error('加载配置组失败:', error);
        showAlert('warning', '配置组功能暂时不可用，但不影响基本查询功能');
    }
}

// 加载选中的配置组
async function loadSelectedConfigGroup() {
    const groupId = document.getElementById('configGroupSelect').value;
    
    if (!groupId) {
        showAlert('warning', '请先选择一个配置组');
        return;
    }
    
    try {
        const response = await fetch(`/api/config-groups/${groupId}`);
        const result = await response.json();
        
        if (result.success) {
            const config = result.data;
            
            // 填充生产环境配置
            document.getElementById('pro_cluster_name').value = config.pro_config.cluster_name || '';
            document.getElementById('pro_datacenter').value = config.pro_config.datacenter || '';
            document.getElementById('pro_hosts').value = (config.pro_config.hosts || []).join(',');
            document.getElementById('pro_port').value = config.pro_config.port || 9042;
            document.getElementById('pro_username').value = config.pro_config.username || '';
            document.getElementById('pro_password').value = config.pro_config.password || '';
            document.getElementById('pro_keyspace').value = config.pro_config.keyspace || '';
            document.getElementById('pro_table').value = config.pro_config.table || '';
            
            // 填充测试环境配置
            document.getElementById('test_cluster_name').value = config.test_config.cluster_name || '';
            document.getElementById('test_datacenter').value = config.test_config.datacenter || '';
            document.getElementById('test_hosts').value = (config.test_config.hosts || []).join(',');
            document.getElementById('test_port').value = config.test_config.port || 9042;
            document.getElementById('test_username').value = config.test_config.username || '';
            document.getElementById('test_password').value = config.test_config.password || '';
            document.getElementById('test_keyspace').value = config.test_config.keyspace || '';
            document.getElementById('test_table').value = config.test_config.table || '';
            
            // 填充查询配置
            document.getElementById('keys').value = (config.query_config.keys || []).join(',');
            document.getElementById('fields_to_compare').value = (config.query_config.fields_to_compare || []).join(',');
            document.getElementById('exclude_fields').value = (config.query_config.exclude_fields || []).join(',');
            
            showAlert('success', `配置组 "${config.name}" 加载成功`);
        } else {
            showAlert('danger', result.error || '加载配置组失败');
        }
    } catch (error) {
        showAlert('danger', '加载配置组失败: ' + error.message);
    }
}

// 显示保存配置组对话框
function showSaveConfigDialog() {
    const modalContent = `
        <div class="modal fade" id="saveConfigModal" tabindex="-1">
            <div class="modal-dialog">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">
                            <i class="fas fa-save"></i> 保存配置组
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body">
                        <div class="mb-3">
                            <label class="form-label">配置组名称 <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" id="configGroupName" placeholder="请输入配置组名称">
                        </div>
                        <div class="mb-3">
                            <label class="form-label">描述</label>
                            <textarea class="form-control" id="configGroupDesc" rows="3" placeholder="请输入配置组描述（可选）"></textarea>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                        <button type="button" class="btn btn-primary" onclick="saveConfigGroup()">
                            <i class="fas fa-check"></i> 保存
                        </button>
                    </div>
                </div>
            </div>
        </div>
    `;
    
    // 移除现有modal
    const existingModal = document.getElementById('saveConfigModal');
    if (existingModal) {
        existingModal.remove();
    }
    
    // 添加新modal到body
    document.body.insertAdjacentHTML('beforeend', modalContent);
    
    // 显示modal
    const modal = new bootstrap.Modal(document.getElementById('saveConfigModal'));
    modal.show();
}

// 保存配置组
async function saveConfigGroup() {
    const name = document.getElementById('configGroupName').value.trim();
    const description = document.getElementById('configGroupDesc').value.trim();
    
    if (!name) {
        showAlert('warning', '请输入配置组名称');
        return;
    }
    
    const config = getCurrentConfig();
    
    try {
        const response = await fetch('/api/config-groups', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                name: name,
                description: description,
                ...config
            })
        });
        
        const result = await response.json();
        
        if (result.success) {
            // 关闭modal
            const modal = bootstrap.Modal.getInstance(document.getElementById('saveConfigModal'));
            modal.hide();
            
            // 重新加载配置组列表
            await loadConfigGroups();
            
            showAlert('success', result.message);
        } else {
            showAlert('danger', result.error || '保存配置组失败');
        }
    } catch (error) {
        showAlert('danger', '保存配置组失败: ' + error.message);
    }
}

// 显示管理配置组对话框
async function showManageConfigDialog() {
    try {
        const response = await fetch('/api/config-groups');
        const result = await response.json();
        
        if (result.success) {
            let configGroupsList = '';
            
            if (result.data.length === 0) {
                configGroupsList = '<p class="text-muted text-center">暂无配置组</p>';
            } else {
                result.data.forEach(group => {
                    const createdDate = new Date(group.created_at).toLocaleString();
                    const updatedDate = new Date(group.updated_at).toLocaleString();
                    
                    configGroupsList += `
                        <div class="card mb-3">
                            <div class="card-body">
                                <div class="d-flex justify-content-between align-items-start">
                                    <div>
                                        <h6 class="card-title mb-1">${group.name}</h6>
                                        <p class="card-text text-muted small mb-1">${group.description || '无描述'}</p>
                                        <small class="text-muted">创建: ${createdDate} | 更新: ${updatedDate}</small>
                                    </div>
                                    <div>
                                        <button class="btn btn-sm btn-primary me-1" onclick="loadConfigGroupById(${group.id})">
                                            <i class="fas fa-download"></i>
                                        </button>
                                        <button class="btn btn-sm btn-danger" onclick="deleteConfigGroup(${group.id}, '${group.name}')">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    `;
                });
            }
            
            const modalContent = `
                <div class="modal fade" id="manageConfigModal" tabindex="-1">
                    <div class="modal-dialog modal-lg">
                        <div class="modal-content">
                            <div class="modal-header">
                                <h5 class="modal-title">
                                    <i class="fas fa-cog"></i> 配置组管理
                                </h5>
                                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                            </div>
                            <div class="modal-body" style="max-height: 500px; overflow-y: auto;">
                                ${configGroupsList}
                            </div>
                            <div class="modal-footer">
                                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                            </div>
                        </div>
                    </div>
                </div>
            `;
            
            // 移除现有modal
            const existingModal = document.getElementById('manageConfigModal');
            if (existingModal) {
                existingModal.remove();
            }
            
            // 添加新modal到body
            document.body.insertAdjacentHTML('beforeend', modalContent);
            
            // 显示modal
            const modal = new bootstrap.Modal(document.getElementById('manageConfigModal'));
            modal.show();
            
        } else {
            showAlert('danger', '加载配置组列表失败');
        }
    } catch (error) {
        showAlert('danger', '加载配置组列表失败: ' + error.message);
    }
}

// 通过ID加载配置组
async function loadConfigGroupById(groupId) {
    try {
        const response = await fetch(`/api/config-groups/${groupId}`);
        const result = await response.json();
        
        if (result.success) {
            const config = result.data;
            
            // 填充表单数据（与loadSelectedConfigGroup相同逻辑）
            document.getElementById('pro_cluster_name').value = config.pro_config.cluster_name || '';
            document.getElementById('pro_datacenter').value = config.pro_config.datacenter || '';
            document.getElementById('pro_hosts').value = (config.pro_config.hosts || []).join(',');
            document.getElementById('pro_port').value = config.pro_config.port || 9042;
            document.getElementById('pro_username').value = config.pro_config.username || '';
            document.getElementById('pro_password').value = config.pro_config.password || '';
            document.getElementById('pro_keyspace').value = config.pro_config.keyspace || '';
            document.getElementById('pro_table').value = config.pro_config.table || '';
            
            document.getElementById('test_cluster_name').value = config.test_config.cluster_name || '';
            document.getElementById('test_datacenter').value = config.test_config.datacenter || '';
            document.getElementById('test_hosts').value = (config.test_config.hosts || []).join(',');
            document.getElementById('test_port').value = config.test_config.port || 9042;
            document.getElementById('test_username').value = config.test_config.username || '';
            document.getElementById('test_password').value = config.test_config.password || '';
            document.getElementById('test_keyspace').value = config.test_config.keyspace || '';
            document.getElementById('test_table').value = config.test_config.table || '';
            
            document.getElementById('keys').value = (config.query_config.keys || []).join(',');
            document.getElementById('fields_to_compare').value = (config.query_config.fields_to_compare || []).join(',');
            document.getElementById('exclude_fields').value = (config.query_config.exclude_fields || []).join(',');
            
            // 更新下拉框选中状态
            document.getElementById('configGroupSelect').value = groupId;
            
            // 关闭管理modal
            const modal = bootstrap.Modal.getInstance(document.getElementById('manageConfigModal'));
            modal.hide();
            
            showAlert('success', `配置组 "${config.name}" 加载成功`);
        } else {
            showAlert('danger', result.error || '加载配置组失败');
        }
    } catch (error) {
        showAlert('danger', '加载配置组失败: ' + error.message);
    }
}

// 删除配置组
async function deleteConfigGroup(groupId, groupName) {
    if (!confirm(`确定要删除配置组 "${groupName}" 吗？此操作不可撤销。`)) {
        return;
    }
    
    try {
        const response = await fetch(`/api/config-groups/${groupId}`, {
            method: 'DELETE'
        });
        
        const result = await response.json();
        
        if (result.success) {
            showAlert('success', result.message);
            
            // 重新加载配置组列表
            await loadConfigGroups();
            
            // 重新显示管理对话框
            setTimeout(() => {
                showManageConfigDialog();
            }, 500);
        } else {
            showAlert('danger', result.error || '删除配置组失败');
        }
    } catch (error) {
        showAlert('danger', '删除配置组失败: ' + error.message);
    }
}

// 加载默认配置
async function loadDefaultConfig() {
    try {
        const response = await fetch('/api/default-config');
        const config = await response.json();
        
        // 填充生产环境配置
        document.getElementById('pro_cluster_name').value = config.pro_config.cluster_name || '';
        document.getElementById('pro_datacenter').value = config.pro_config.datacenter || '';
        document.getElementById('pro_hosts').value = config.pro_config.hosts.join(',');
        document.getElementById('pro_port').value = config.pro_config.port;
        document.getElementById('pro_username').value = config.pro_config.username;
        document.getElementById('pro_password').value = config.pro_config.password;
        document.getElementById('pro_keyspace').value = config.pro_config.keyspace;
        document.getElementById('pro_table').value = config.pro_config.table;
        
        // 填充测试环境配置
        document.getElementById('test_cluster_name').value = config.test_config.cluster_name || '';
        document.getElementById('test_datacenter').value = config.test_config.datacenter || '';
        document.getElementById('test_hosts').value = config.test_config.hosts.join(',');
        document.getElementById('test_port').value = config.test_config.port;
        document.getElementById('test_username').value = config.test_config.username;
        document.getElementById('test_password').value = config.test_config.password;
        document.getElementById('test_keyspace').value = config.test_config.keyspace;
        document.getElementById('test_table').value = config.test_config.table;
        
        // 填充查询配置
        document.getElementById('keys').value = config.keys.join(',');
        document.getElementById('fields_to_compare').value = config.fields_to_compare.join(',');
        document.getElementById('exclude_fields').value = config.exclude_fields.join(',');
        
        showAlert('success', '默认配置加载成功');
    } catch (error) {
        showAlert('danger', '加载默认配置失败: ' + error.message);
    }
}

// 获取当前配置
function getCurrentConfig() {
    return {
        pro_config: {
            cluster_name: document.getElementById('pro_cluster_name').value,
            datacenter: document.getElementById('pro_datacenter').value,
            hosts: document.getElementById('pro_hosts').value.split(',').map(h => h.trim()).filter(h => h),
            port: parseInt(document.getElementById('pro_port').value) || 9042,
            username: document.getElementById('pro_username').value,
            password: document.getElementById('pro_password').value,
            keyspace: document.getElementById('pro_keyspace').value,
            table: document.getElementById('pro_table').value
        },
        test_config: {
            cluster_name: document.getElementById('test_cluster_name').value,
            datacenter: document.getElementById('test_datacenter').value,
            hosts: document.getElementById('test_hosts').value.split(',').map(h => h.trim()).filter(h => h),
            port: parseInt(document.getElementById('test_port').value) || 9042,
            username: document.getElementById('test_username').value,
            password: document.getElementById('test_password').value,
            keyspace: document.getElementById('test_keyspace').value,
            table: document.getElementById('test_table').value
        },
        keys: document.getElementById('keys').value.split(',').map(k => k.trim()).filter(k => k),
        fields_to_compare: document.getElementById('fields_to_compare').value
            .split(',').map(f => f.trim()).filter(f => f),
        exclude_fields: document.getElementById('exclude_fields').value
            .split(',').map(f => f.trim()).filter(f => f),
        values: document.getElementById('query_values').value
            .split('\n').map(v => v.trim()).filter(v => v)
    };
}

// 执行查询比对
async function executeQuery() {
    const config = getCurrentConfig();
    
    // 验证配置
    if (!config.values.length) {
        showAlert('warning', '请输入查询Key值');
        return;
    }
    
    if (!config.keys.length) {
        showAlert('warning', '请输入主键字段');
        return;
    }
    
    // 显示加载动画
    document.getElementById('loading').style.display = 'block';
    document.getElementById('results').style.display = 'none';
    
    try {
        const response = await fetch('/api/query', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(config)
        });
        
        if (!response.ok) {
            const error = await response.json();
            throw new Error(error.error || '查询失败');
        }
        
        const results = await response.json();
        currentResults = results;
        displayResults(results);
        
    } catch (error) {
        showAlert('danger', '查询失败: ' + error.message);
    } finally {
        document.getElementById('loading').style.display = 'none';
    }
}

// 显示查询结果
function displayResults(results) {
    // 显示统计信息
    displayStats(results);
    
    // 更新选项卡计数
    document.getElementById('diff-count').textContent = results.differences.length;
    document.getElementById('identical-count').textContent = results.identical_results.length;
    
    // 初始化相同结果分页数据
    filteredIdenticalResults = results.identical_results;
    currentIdenticalPage = 1;
    
    // 初始化差异结果分页数据
    filteredDifferenceResults = results.differences;
    currentDifferencePage = 1;
    
    // 显示各个面板内容
    displayDifferences();
    displayIdenticalResults();
    displayComparisonSummary(results.summary);
    
    // 显示结果区域
    document.getElementById('results').style.display = 'block';
    
    showAlert('success', `查询完成！共处理${results.total_keys}个Key，发现${results.differences.length}处差异，${results.identical_results.length}条记录完全相同`);
}

// 显示统计信息
function displayStats(results) {
    const statsHtml = `
        <div class="col-md-2">
            <div class="stat-card bg-primary text-white">
                <h3>${results.total_keys}</h3>
                <p>总Key数量</p>
            </div>
        </div>
        <div class="col-md-2">
            <div class="stat-card bg-info text-white">
                <h3>${results.pro_count}</h3>
                <p>生产表记录</p>
            </div>
        </div>
        <div class="col-md-2">
            <div class="stat-card bg-secondary text-white">
                <h3>${results.test_count}</h3>
                <p>测试表记录</p>
            </div>
        </div>
        <div class="col-md-2">
            <div class="stat-card bg-success text-white">
                <h3>${results.identical_results.length}</h3>
                <p>相同记录</p>
            </div>
        </div>
        <div class="col-md-2">
            <div class="stat-card bg-warning text-white">
                <h3>${results.differences.length}</h3>
                <p>差异记录</p>
            </div>
        </div>
        <div class="col-md-2">
            <div class="stat-card bg-danger text-white">
                <h3>${Math.round((results.identical_results.length / results.total_keys) * 100)}%</h3>
                <p>一致性比例</p>
            </div>
        </div>
    `;
    
    document.getElementById('stats').innerHTML = statsHtml;
}

// 显示差异详情
function displayDifferences() {
    const differencesContainer = document.getElementById('differences');
    
    if (!filteredDifferenceResults.length) {
        differencesContainer.innerHTML = '<p class="text-success"><i class="fas fa-check"></i> 未发现差异</p>';
        return;
    }
    
    // 计算分页
    const totalPages = Math.ceil(filteredDifferenceResults.length / differencePageSize);
    const startIndex = (currentDifferencePage - 1) * differencePageSize;
    const endIndex = startIndex + differencePageSize;
    const currentPageData = filteredDifferenceResults.slice(startIndex, endIndex);
    
    let html = `
        <!-- 分页控制 -->
        <div class="row mb-3">
            <div class="col-md-6">
                <div class="d-flex align-items-center">
                    <label class="form-label me-2 mb-0">每页显示:</label>
                    <select class="form-select form-select-sm me-2" style="width: auto;" onchange="changeDifferencePageSize(this.value)">
                        <option value="5" ${differencePageSize == 5 ? 'selected' : ''}>5条</option>
                        <option value="10" ${differencePageSize == 10 ? 'selected' : ''}>10条</option>
                        <option value="20" ${differencePageSize == 20 ? 'selected' : ''}>20条</option>
                        <option value="50" ${differencePageSize == 50 ? 'selected' : ''}>50条</option>
                        <option value="100" ${differencePageSize == 100 ? 'selected' : ''}>100条</option>
                        <option value="custom_diff">自定义</option>
                    </select>
                    <input type="number" class="form-control form-control-sm me-2" style="width: 80px; display: none;" 
                           id="customDiffPageSize" placeholder="数量" min="1" max="1000" 
                           onchange="setCustomDifferencePageSize(this.value)" onkeypress="handleCustomDiffPageSizeEnter(event)">
                    <span class="ms-2 text-muted">共 ${filteredDifferenceResults.length} 条差异记录</span>
                </div>
            </div>
            <div class="col-md-6">
                <div class="d-flex justify-content-end align-items-center">
                    ${generateDifferencePagination(currentDifferencePage, totalPages)}
                </div>
            </div>
        </div>
        
        <!-- 搜索框 -->
        <div class="mb-3">
            <div class="input-group">
                <span class="input-group-text"><i class="fas fa-search"></i></span>
                <input type="text" class="form-control" placeholder="搜索主键、字段名或值内容..." 
                       onkeyup="searchDifferenceResults(this.value)" id="differenceSearch">
            </div>
        </div>
    `;
    
    // 显示当前页数据
    currentPageData.forEach((diff, index) => {
        const globalIndex = startIndex + index + 1;
        if (diff.message) {
            // 记录不存在的情况
            html += `
                <div class="difference-item card mb-3 border-warning">
                    <div class="card-header bg-light">
                        <div class="row align-items-center">
                            <div class="col">
                                <strong>差异 #${globalIndex}</strong>
                                <span class="badge bg-warning ms-2">记录缺失</span>
                            </div>
                            <div class="col-auto">
                                <button class="btn btn-sm btn-outline-info" onclick="showDifferenceRawData('${escapeForJs(JSON.stringify(diff.key))}')">
                                    <i class="fas fa-code"></i> 原生数据
                                </button>
                            </div>
                        </div>
                        <p class="mb-0 mt-2"><strong>主键:</strong> ${JSON.stringify(diff.key)}</p>
                    </div>
                    <div class="card-body">
                        <p class="text-warning"><i class="fas fa-exclamation-triangle"></i> ${diff.message}</p>
                    </div>
                </div>
            `;
        } else {
            // 字段值差异的情况
            const isJson = diff.is_json;
            const isArray = diff.is_array;
            const jsonClass = isJson ? 'json-field' : '';
            
            html += `
                <div class="difference-item card mb-3 border-danger">
                    <div class="card-header bg-light">
                        <div class="row align-items-center">
                            <div class="col">
                                <strong>差异 #${globalIndex}</strong>
                                <span class="badge bg-danger ms-2">字段差异</span>
                                ${isJson ? '<span class="badge bg-info ms-2">JSON字段</span>' : ''}
                                ${isArray ? '<span class="badge bg-warning ms-2">数组字段</span>' : ''}
                            </div>
                            <div class="col-auto">
                                <button class="btn btn-sm btn-outline-secondary me-2" type="button" 
                                        data-bs-toggle="collapse" data-bs-target="#diffCollapse${globalIndex}">
                                    <i class="fas fa-eye"></i> 查看详情
                                </button>
                                <button class="btn btn-sm btn-outline-info" onclick="showDifferenceRawData('${escapeForJs(JSON.stringify(diff.key))}')">
                                    <i class="fas fa-code"></i> 原生数据
                                </button>
                            </div>
                        </div>
                        <p class="mb-0 mt-2"><strong>主键:</strong> ${JSON.stringify(diff.key)}</p>
                        <p class="mb-0"><strong>差异字段:</strong> ${diff.field}</p>
                    </div>
                    <div class="collapse" id="diffCollapse${globalIndex}">
                        <div class="card-body">
                            <div class="mb-4">
                                <div class="field-header mb-2">
                                    <i class="fas fa-tag text-primary"></i>
                                    <strong>${diff.field}</strong>
                                </div>
                                
                                <!-- 环境对比数据行 -->
                                <div class="row">
                                    <div class="col-12">
                                        <div class="field-container position-relative">
                                            <pre class="field-value bg-light p-2 rounded mb-0 ${jsonClass}" style="max-height: 400px; overflow-y: auto; margin: 0;">${escapeHtml(diff.pro_value)}
${escapeHtml(diff.test_value)}</pre>
                                            <button class="btn btn-sm btn-outline-secondary copy-btn" 
                                                    onclick="copyToClipboard('${escapeForJs(diff.pro_value)}\\n${escapeForJs(diff.test_value)}', this)"
                                                    title="复制全部内容">
                                                <i class="fas fa-copy"></i>
                                            </button>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            `;
        }
    });
    
    // 底部分页
    if (totalPages > 1) {
        html += `
            <div class="row mt-3">
                <div class="col-12">
                    <div class="d-flex justify-content-center">
                        ${generateDifferencePagination(currentDifferencePage, totalPages)}
                    </div>
                </div>
            </div>
        `;
    }
    
    differencesContainer.innerHTML = html;
}

// HTML转义函数，防止XSS
function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

// 显示相同结果
function displayIdenticalResults() {
    const identicalContainer = document.getElementById('identical-results');
    
    if (!filteredIdenticalResults.length) {
        identicalContainer.innerHTML = '<p class="text-muted"><i class="fas fa-info-circle"></i> 没有完全相同的记录</p>';
        return;
    }
    
    // 计算分页
    const totalPages = Math.ceil(filteredIdenticalResults.length / identicalPageSize);
    const startIndex = (currentIdenticalPage - 1) * identicalPageSize;
    const endIndex = startIndex + identicalPageSize;
    const currentPageData = filteredIdenticalResults.slice(startIndex, endIndex);
    
    let html = `
        <!-- 分页控制 -->
        <div class="row mb-3">
            <div class="col-md-6">
                <div class="d-flex align-items-center">
                    <label class="form-label me-2 mb-0">每页显示:</label>
                    <select class="form-select form-select-sm me-2" style="width: auto;" onchange="changePageSize(this.value)">
                        <option value="5" ${identicalPageSize == 5 ? 'selected' : ''}>5条</option>
                        <option value="10" ${identicalPageSize == 10 ? 'selected' : ''}>10条</option>
                        <option value="20" ${identicalPageSize == 20 ? 'selected' : ''}>20条</option>
                        <option value="50" ${identicalPageSize == 50 ? 'selected' : ''}>50条</option>
                        <option value="100" ${identicalPageSize == 100 ? 'selected' : ''}>100条</option>
                        <option value="custom">自定义</option>
                    </select>
                    <input type="number" class="form-control form-control-sm me-2" style="width: 80px; display: none;" 
                           id="customPageSize" placeholder="数量" min="1" max="1000" 
                           onchange="setCustomPageSize(this.value)" onkeypress="handleCustomPageSizeEnter(event)">
                    <span class="ms-2 text-muted">共 ${filteredIdenticalResults.length} 条记录</span>
                </div>
            </div>
            <div class="col-md-6">
                <div class="d-flex justify-content-end align-items-center">
                    ${generatePagination(currentIdenticalPage, totalPages)}
                </div>
            </div>
        </div>
        
        <!-- 搜索框 -->
        <div class="mb-3">
            <div class="input-group">
                <span class="input-group-text"><i class="fas fa-search"></i></span>
                <input type="text" class="form-control" placeholder="搜索主键或字段内容..." 
                       onkeyup="searchIdenticalResults(this.value)" id="identicalSearch">
            </div>
        </div>
    `;
    
    // 显示当前页数据
    currentPageData.forEach((result, index) => {
        const globalIndex = startIndex + index + 1;
        html += `
            <div class="card mb-3 border-success">
                <div class="card-header bg-light">
                    <div class="row align-items-center">
                        <div class="col">
                            <strong>相同记录 #${globalIndex}</strong>
                            <span class="badge bg-success ms-2">完全匹配</span>
                        </div>
                        <div class="col-auto">
                            <button class="btn btn-sm btn-outline-secondary me-2" type="button" 
                                    data-bs-toggle="collapse" data-bs-target="#collapse${globalIndex}">
                                <i class="fas fa-eye"></i> 查看详情
                            </button>
                            <button class="btn btn-sm btn-outline-info" onclick="showRawData('${escapeForJs(JSON.stringify(result.key))}')">
                                <i class="fas fa-code"></i> 原生数据
                            </button>
                        </div>
                    </div>
                    <p class="mb-0 mt-2"><strong>主键:</strong> ${JSON.stringify(result.key)}</p>
                </div>
                <div class="collapse" id="collapse${globalIndex}">
                    <div class="card-body">
        `;
        
        // 显示字段对比，左右布局
        const proFields = result.pro_fields || {};
        const testFields = result.test_fields || {};
        const allFields = new Set([...Object.keys(proFields), ...Object.keys(testFields)]);
        
        html += '<div class="row"><div class="col-12"><h6 class="mb-3">字段对比 (生产环境 vs 测试环境):</h6></div></div>';
        
        allFields.forEach(fieldName => {
            const proValue = proFields[fieldName] || '';
            const testValue = testFields[fieldName] || '';
            
            // 更安全的JSON检测方法
            let isJson = false;
            try {
                if (typeof proValue === 'string' && (proValue.startsWith('{') || proValue.startsWith('['))) {
                    JSON.parse(proValue);
                    isJson = true;
                }
            } catch (e1) {
                try {
                    if (typeof testValue === 'string' && (testValue.startsWith('{') || testValue.startsWith('['))) {
                        JSON.parse(testValue);
                        isJson = true;
                    }
                } catch (e2) {
                    // 如果都不是有效的JSON，保持isJson为false
                }
            }
            
            html += `
                <div class="mb-4">
                    <div class="field-header mb-2">
                        <i class="fas fa-tag text-primary"></i>
                        <strong>${fieldName}</strong>
                        ${isJson ? '<span class="badge bg-info ms-2">JSON</span>' : ''}
                    </div>
                    
                    <!-- 环境对比数据行 -->
                    <div class="row mb-2">
                        <div class="col-12">
                            <div class="field-container position-relative">
                                <pre class="field-value bg-light p-2 rounded mb-0" style="max-height: 400px; overflow-y: auto; margin: 0;">${escapeHtml(String(proValue))}
${escapeHtml(String(testValue))}</pre>
                                <button class="btn btn-sm btn-outline-secondary copy-btn" 
                                        onclick="copyToClipboard('${escapeForJs(String(proValue))}\\n${escapeForJs(String(testValue))}', this)"
                                        title="复制全部内容">
                                    <i class="fas fa-copy"></i>
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
            `;
        });
        
        html += `
                    </div>
                </div>
            </div>
        `;
    });
    
    // 底部分页
    if (totalPages > 1) {
        html += `
            <div class="row mt-3">
                <div class="col-12">
                    <div class="d-flex justify-content-center">
                        ${generatePagination(currentIdenticalPage, totalPages)}
                    </div>
                </div>
            </div>
        `;
    }
    
    identicalContainer.innerHTML = html;
}

// 生成分页导航
function generatePagination(currentPage, totalPages) {
    if (totalPages <= 1) return '';
    
    let html = '<nav><ul class="pagination pagination-sm mb-0">';
    
    // 上一页
    html += `
        <li class="page-item ${currentPage === 1 ? 'disabled' : ''}">
            <a class="page-link" href="#" onclick="goToIdenticalPage(${currentPage - 1})">
                <i class="fas fa-chevron-left"></i>
            </a>
        </li>
    `;
    
    // 页码
    const startPage = Math.max(1, currentPage - 2);
    const endPage = Math.min(totalPages, currentPage + 2);
    
    if (startPage > 1) {
        html += '<li class="page-item"><a class="page-link" href="#" onclick="goToIdenticalPage(1)">1</a></li>';
        if (startPage > 2) {
            html += '<li class="page-item disabled"><span class="page-link">...</span></li>';
        }
    }
    
    for (let i = startPage; i <= endPage; i++) {
        html += `
            <li class="page-item ${i === currentPage ? 'active' : ''}">
                <a class="page-link" href="#" onclick="goToIdenticalPage(${i})">${i}</a>
            </li>
        `;
    }
    
    if (endPage < totalPages) {
        if (endPage < totalPages - 1) {
            html += '<li class="page-item disabled"><span class="page-link">...</span></li>';
        }
        html += `<li class="page-item"><a class="page-link" href="#" onclick="goToIdenticalPage(${totalPages})">${totalPages}</a></li>`;
    }
    
    // 下一页
    html += `
        <li class="page-item ${currentPage === totalPages ? 'disabled' : ''}">
            <a class="page-link" href="#" onclick="goToIdenticalPage(${currentPage + 1})">
                <i class="fas fa-chevron-right"></i>
            </a>
        </li>
    `;
    
    html += '</ul></nav>';
    return html;
}

// 跳转到指定页面
function goToIdenticalPage(page) {
    const totalPages = Math.ceil(filteredIdenticalResults.length / identicalPageSize);
    if (page < 1 || page > totalPages) return;
    
    currentIdenticalPage = page;
    displayIdenticalResults();
}

// 改变每页显示数量
function changePageSize(newSize) {
    if (newSize === 'custom') {
        // 显示自定义输入框
        const customInput = document.getElementById('customPageSize');
        const select = document.querySelector('select[onchange="changePageSize(this.value)"]');
        customInput.style.display = 'inline-block';
        customInput.focus();
        return;
    }
    
    identicalPageSize = parseInt(newSize);
    currentIdenticalPage = 1;
    displayIdenticalResults();
}

// 设置自定义页面大小
function setCustomPageSize(size) {
    const pageSize = parseInt(size);
    if (pageSize && pageSize > 0 && pageSize <= 1000) {
        identicalPageSize = pageSize;
        currentIdenticalPage = 1;
        
        // 隐藏输入框，更新下拉框显示
        const customInput = document.getElementById('customPageSize');
        const select = document.querySelector('select[onchange="changePageSize(this.value)"]');
        customInput.style.display = 'none';
        
        // 如果不是预设值，保持custom选中状态
        const presetValues = [5, 10, 20, 50, 100];
        if (!presetValues.includes(pageSize)) {
            select.value = 'custom';
        } else {
            select.value = pageSize.toString();
        }
        
        displayIdenticalResults();
    } else {
        showAlert('warning', '请输入1-1000之间的有效数字');
    }
}

// 处理自定义页面大小输入框回车事件
function handleCustomPageSizeEnter(event) {
    if (event.key === 'Enter') {
        setCustomPageSize(event.target.value);
    }
}

// 搜索相同结果
function searchIdenticalResults(searchTerm) {
    if (!currentResults) return;
    
    if (!searchTerm.trim()) {
        filteredIdenticalResults = currentResults.identical_results;
    } else {
        const term = searchTerm.toLowerCase();
        filteredIdenticalResults = currentResults.identical_results.filter(result => {
            // 搜索主键
            const keyStr = JSON.stringify(result.key).toLowerCase();
            if (keyStr.includes(term)) return true;
            
            // 搜索字段内容
            const proFields = result.pro_fields || {};
            const testFields = result.test_fields || {};
            const allValues = [...Object.values(proFields), ...Object.values(testFields)];
            
            return allValues.some(value => 
                String(value).toLowerCase().includes(term)
            );
        });
    }
    
    currentIdenticalPage = 1;
    displayIdenticalResults();
}

// 生成差异分页导航
function generateDifferencePagination(currentPage, totalPages) {
    if (totalPages <= 1) return '';
    
    let html = '<nav><ul class="pagination pagination-sm mb-0">';
    
    // 上一页
    html += `
        <li class="page-item ${currentPage === 1 ? 'disabled' : ''}">
            <a class="page-link" href="#" onclick="goToDifferencePage(${currentPage - 1})">
                <i class="fas fa-chevron-left"></i>
            </a>
        </li>
    `;
    
    // 页码
    const startPage = Math.max(1, currentPage - 2);
    const endPage = Math.min(totalPages, currentPage + 2);
    
    if (startPage > 1) {
        html += '<li class="page-item"><a class="page-link" href="#" onclick="goToDifferencePage(1)">1</a></li>';
        if (startPage > 2) {
            html += '<li class="page-item disabled"><span class="page-link">...</span></li>';
        }
    }
    
    for (let i = startPage; i <= endPage; i++) {
        html += `
            <li class="page-item ${i === currentPage ? 'active' : ''}">
                <a class="page-link" href="#" onclick="goToDifferencePage(${i})">${i}</a>
            </li>
        `;
    }
    
    if (endPage < totalPages) {
        if (endPage < totalPages - 1) {
            html += '<li class="page-item disabled"><span class="page-link">...</span></li>';
        }
        html += `<li class="page-item"><a class="page-link" href="#" onclick="goToDifferencePage(${totalPages})">${totalPages}</a></li>`;
    }
    
    // 下一页
    html += `
        <li class="page-item ${currentPage === totalPages ? 'disabled' : ''}">
            <a class="page-link" href="#" onclick="goToDifferencePage(${currentPage + 1})">
                <i class="fas fa-chevron-right"></i>
            </a>
        </li>
    `;
    
    html += '</ul></nav>';
    return html;
}

// 跳转到指定差异页面
function goToDifferencePage(page) {
    const totalPages = Math.ceil(filteredDifferenceResults.length / differencePageSize);
    if (page < 1 || page > totalPages) return;
    
    currentDifferencePage = page;
    displayDifferences();
}

// 改变差异每页显示数量
function changeDifferencePageSize(newSize) {
    if (newSize === 'custom_diff') {
        // 显示自定义输入框
        const customInput = document.getElementById('customDiffPageSize');
        const select = document.querySelector('select[onchange="changeDifferencePageSize(this.value)"]');
        customInput.style.display = 'inline-block';
        customInput.focus();
        return;
    }
    
    differencePageSize = parseInt(newSize);
    currentDifferencePage = 1;
    displayDifferences();
}

// 设置自定义差异页面大小
function setCustomDifferencePageSize(size) {
    const pageSize = parseInt(size);
    if (pageSize && pageSize > 0 && pageSize <= 1000) {
        differencePageSize = pageSize;
        currentDifferencePage = 1;
        
        // 隐藏输入框，更新下拉框显示
        const customInput = document.getElementById('customDiffPageSize');
        const select = document.querySelector('select[onchange="changeDifferencePageSize(this.value)"]');
        customInput.style.display = 'none';
        
        // 如果不是预设值，保持custom选中状态
        const presetValues = [5, 10, 20, 50, 100];
        if (!presetValues.includes(pageSize)) {
            select.value = 'custom_diff';
        } else {
            select.value = pageSize.toString();
        }
        
        displayDifferences();
    } else {
        showAlert('warning', '请输入1-1000之间的有效数字');
    }
}

// 处理自定义差异页面大小输入框回车事件
function handleCustomDiffPageSizeEnter(event) {
    if (event.key === 'Enter') {
        setCustomDifferencePageSize(event.target.value);
    }
}

// 搜索差异结果
function searchDifferenceResults(searchTerm) {
    if (!currentResults) return;
    
    if (!searchTerm.trim()) {
        filteredDifferenceResults = currentResults.differences;
    } else {
        const term = searchTerm.toLowerCase();
        filteredDifferenceResults = currentResults.differences.filter(diff => {
            // 搜索主键
            const keyStr = JSON.stringify(diff.key).toLowerCase();
            if (keyStr.includes(term)) return true;
            
            // 搜索字段名
            if (diff.field && diff.field.toLowerCase().includes(term)) return true;
            
            // 搜索字段值
            if (diff.pro_value && String(diff.pro_value).toLowerCase().includes(term)) return true;
            if (diff.test_value && String(diff.test_value).toLowerCase().includes(term)) return true;
            
            // 搜索消息
            if (diff.message && diff.message.toLowerCase().includes(term)) return true;
            
            return false;
        });
    }
    
    currentDifferencePage = 1;
    displayDifferences();
}

// 复制到剪贴板
function copyToClipboard(text, button) {
    navigator.clipboard.writeText(text).then(function() {
        // 显示复制成功反馈
        const originalIcon = button.innerHTML;
        button.innerHTML = '<i class="fas fa-check text-success"></i>';
        button.classList.add('btn-success');
        button.classList.remove('btn-outline-secondary');
        
        setTimeout(() => {
            button.innerHTML = originalIcon;
            button.classList.remove('btn-success');
            button.classList.add('btn-outline-secondary');
        }, 1000);
    }).catch(function(err) {
        console.error('复制失败:', err);
        showAlert('danger', '复制失败，请手动复制');
    });
}

// JS字符串转义
function escapeForJs(str) {
    if (str === null || str === undefined) {
        return '';
    }
    return String(str)
        .replace(/\\/g, '\\\\')  // 反斜杠必须先处理
        .replace(/'/g, "\\'")    // 单引号
        .replace(/"/g, '\\"')    // 双引号
        .replace(/\n/g, '\\n')   // 换行符
        .replace(/\r/g, '\\r')   // 回车符
        .replace(/\t/g, '\\t')   // 制表符
        .replace(/\f/g, '\\f')   // 换页符
        .replace(/\b/g, '\\b')   // 退格符
        .replace(/\0/g, '\\0');  // 空字符
}

// 显示原生数据
function showRawData(keyStr) {
    console.log('showRawData 调用，参数:', keyStr);
    
    if (!currentResults) {
        console.error('没有查询结果数据');
        showAlert('warning', '请先执行查询操作');
        return;
    }
    
    try {
        // 解析主键
        const key = JSON.parse(keyStr);
        const keyValue = Object.values(key)[0];
        
        console.log('解析主键成功:', key, '键值:', keyValue);
        
        // 查找对应的原生数据记录
        let proRecord = null;
        let testRecord = null;
        
        if (currentResults.raw_pro_data && currentResults.raw_pro_data.length > 0) {
            proRecord = currentResults.raw_pro_data.find(record => 
                Object.values(record).includes(keyValue)
            );
        }
        
        if (currentResults.raw_test_data && currentResults.raw_test_data.length > 0) {
            testRecord = currentResults.raw_test_data.find(record => 
                Object.values(record).includes(keyValue)
            );
        }
        
        console.log('查找记录结果 - 生产:', !!proRecord, '测试:', !!testRecord);
        
        // 安全处理数据
        const proData = proRecord ? JSON.stringify(proRecord, null, 2) : '{}';
        const testData = testRecord ? JSON.stringify(testRecord, null, 2) : '{}';
        
        // 创建重构后的简化模态框
        const modalHtml = `
            <div class="modal fade" id="rawDataModal" tabindex="-1" aria-hidden="true">
                <div class="modal-dialog modal-xl">
                    <div class="modal-content">
                        <div class="modal-header">
                            <h5 class="modal-title">
                                <i class="fas fa-database"></i> 原生数据查看 - ${escapeHtml(String(keyValue))}
                            </h5>
                            <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                        </div>
                        <div class="modal-body">
                            <div class="row mb-3">
                                <div class="col-12">
                                    <div class="d-flex justify-content-between align-items-center">
                                        <div>
                                            <span class="badge bg-primary me-2"><i class="fas fa-server"></i> 生产环境: ${proRecord ? Object.keys(proRecord).length : 0} 字段</span>
                                            <span class="badge bg-info"><i class="fas fa-flask"></i> 测试环境: ${testRecord ? Object.keys(testRecord).length : 0} 字段</span>
                                        </div>
                                        <button class="btn btn-sm btn-outline-primary" onclick="copyRawData()" title="复制全部数据">
                                            <i class="fas fa-copy"></i> 复制数据
                                        </button>
                                    </div>
                                </div>
                            </div>
                            
                            <div class="row">
                                <div class="col-12">
                                    <div class="card">
                                        <div class="card-header bg-light">
                                            <h6 class="mb-0"><i class="fas fa-code"></i> 原生数据内容</h6>
                                        </div>
                                        <div class="card-body p-0">
                                            <div class="border-0 bg-light" style="max-height: 500px; overflow-y: auto;">
                                                <pre id="rawDataContent" class="mb-0 p-3" style="white-space: pre-wrap; font-size: 0.9em; line-height: 1.4;"></pre>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
                                <i class="fas fa-times"></i> 关闭
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        `;
        
        // 移除现有模态框
        const existingModal = document.getElementById('rawDataModal');
        if (existingModal) {
            existingModal.remove();
        }
        
        // 添加新模态框
        document.body.insertAdjacentHTML('beforeend', modalHtml);
        
        // 设置预格式化内容，避免模板字符串中的转义问题
        const rawDataContent = document.getElementById('rawDataContent');
        if (rawDataContent) {
            rawDataContent.textContent = proData + '\n\n' + testData;
        }
        
        // 存储数据用于复制功能
        window.currentRawData = {
            pro: proData,
            test: testData,
            combined: proData + '\n\n' + testData
        };
        
        // 显示模态框
        const modal = new bootstrap.Modal(document.getElementById('rawDataModal'));
        modal.show();
        
        console.log('重构后的原生数据模态框已显示');
        
    } catch (error) {
        console.error('显示原生数据失败:', error);
        showAlert('danger', '显示原生数据失败: ' + error.message);
    }
}

// 复制原生数据
function copyRawData() {
    if (window.currentRawData) {
        const combinedData = window.currentRawData.combined || 
                           (window.currentRawData.pro + '\n\n' + window.currentRawData.test);
        
        navigator.clipboard.writeText(combinedData).then(() => {
            showAlert('success', '原生数据已复制到剪贴板');
        }).catch(err => {
            console.error('复制失败:', err);
            showAlert('danger', '复制失败，请手动选择复制');
        });
    } else {
        showAlert('warning', '无可复制的数据');
    }
}

// 显示差异数据的原生数据
function showDifferenceRawData(keyStr) {
    showRawData(keyStr); // 复用相同的原生数据显示逻辑
}

// 显示比较总结
function displayComparisonSummary(summary) {
    const summaryContainer = document.getElementById('comparison-summary');
    
    if (!summary) {
        summaryContainer.innerHTML = '<p class="text-muted">无总结数据</p>';
        return;
    }
    
    const qualityLevel = summary.data_quality.quality_level;
    
    const html = `
        <!-- 概览统计 -->
        <div class="row mb-4">
            <div class="col-md-6">
                <div class="card">
                    <div class="card-header">
                        <h6><i class="fas fa-chart-bar"></i> 数据概览</h6>
                    </div>
                    <div class="card-body">
                        <div class="row text-center">
                            <div class="col-4">
                                <h4 class="text-primary">${summary.overview.total_keys_queried}</h4>
                                <small>查询Key总数</small>
                            </div>
                            <div class="col-4">
                                <h4 class="text-success">${summary.overview.identical_records}</h4>
                                <small>相同记录</small>
                            </div>
                            <div class="col-4">
                                <h4 class="text-warning">${summary.overview.different_records}</h4>
                                <small>差异记录</small>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-md-6">
                <div class="card">
                    <div class="card-header">
                        <h6><i class="fas fa-award"></i> 数据质量评估</h6>
                    </div>
                    <div class="card-body text-center">
                        <h3 class="text-${qualityLevel.color}">${qualityLevel.level}</h3>
                        <p class="mb-2">${qualityLevel.description}</p>
                        <div class="progress mb-2">
                            <div class="progress-bar bg-${qualityLevel.color}" role="progressbar" 
                                 style="width: ${summary.data_quality.consistency_score}%">
                                ${summary.data_quality.consistency_score}%
                            </div>
                        </div>
                        <small>数据一致性评分</small>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- 详细分析 -->
        <div class="row mb-4">
            <div class="col-md-6">
                <div class="card">
                    <div class="card-header">
                        <h6><i class="fas fa-percentage"></i> 百分比统计</h6>
                    </div>
                    <div class="card-body">
                        <div class="mb-3">
                            <div class="d-flex justify-content-between">
                                <span>数据一致性:</span>
                                <strong class="text-success">${summary.percentages.data_consistency}%</strong>
                            </div>
                            <div class="progress">
                                <div class="progress-bar bg-success" style="width: ${summary.percentages.data_consistency}%"></div>
                            </div>
                        </div>
                        <div class="mb-3">
                            <div class="d-flex justify-content-between">
                                <span>数据差异率:</span>
                                <strong class="text-warning">${summary.percentages.data_differences}%</strong>
                            </div>
                            <div class="progress">
                                <div class="progress-bar bg-warning" style="width: ${summary.percentages.data_differences}%"></div>
                            </div>
                        </div>
                        <div>
                            <div class="d-flex justify-content-between">
                                <span>数据缺失率:</span>
                                <strong class="text-danger">${summary.percentages.missing_rate}%</strong>
                            </div>
                            <div class="progress">
                                <div class="progress-bar bg-danger" style="width: ${summary.percentages.missing_rate}%"></div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-md-6">
                <div class="card">
                    <div class="card-header">
                        <h6><i class="fas fa-list-alt"></i> 字段差异TOP5</h6>
                    </div>
                    <div class="card-body">
                        ${summary.field_analysis.most_different_fields.length > 0 ? 
                            summary.field_analysis.most_different_fields.map(([field, count]) => `
                                <div class="d-flex justify-content-between align-items-center mb-2">
                                    <code>${field}</code>
                                    <span class="badge bg-danger">${count}次</span>
                                </div>
                            `).join('') : 
                            '<p class="text-muted">无字段差异统计</p>'
                        }
                    </div>
                </div>
            </div>
        </div>
        
        <!-- 改进建议 -->
        <div class="card">
            <div class="card-header">
                <h6><i class="fas fa-lightbulb"></i> 改进建议</h6>
            </div>
            <div class="card-body">
                <ul class="list-unstyled">
                    ${summary.recommendations.map(recommendation => `
                        <li class="mb-2">
                            <i class="fas fa-arrow-right text-primary me-2"></i>
                            ${recommendation}
                        </li>
                    `).join('')}
                </ul>
            </div>
        </div>
    `;
    
    summaryContainer.innerHTML = html;
}

// 显示字段差异统计
function displayFieldStats(fieldStats) {
    const fieldStatsContainer = document.getElementById('field_stats');
    
    if (!Object.keys(fieldStats).length) {
        fieldStatsContainer.innerHTML = '<p class="text-muted">无字段差异统计</p>';
        return;
    }
    
    let html = '<div class="table-responsive"><table class="table table-striped">';
    html += '<thead><tr><th>字段名</th><th>差异次数</th><th>占比</th></tr></thead><tbody>';
    
    const totalDiffs = Object.values(fieldStats).reduce((sum, count) => sum + count, 0);
    
    Object.entries(fieldStats)
        .sort(([, a], [, b]) => b - a)
        .forEach(([field, count]) => {
            const percentage = ((count / totalDiffs) * 100).toFixed(1);
            html += `
                <tr>
                    <td><code>${field}</code></td>
                    <td><span class="badge bg-danger">${count}</span></td>
                    <td>${percentage}%</td>
                </tr>
            `;
        });
    
    html += '</tbody></table></div>';
    fieldStatsContainer.innerHTML = html;
}

// 清空结果
function clearResults() {
    document.getElementById('results').style.display = 'none';
    document.getElementById('query_values').value = '';
    currentResults = null;
    showAlert('info', '结果已清空');
}

// 显示查询历史对话框
async function showQueryHistoryDialog() {
    try {
        const response = await fetch('/api/query-history');
        const result = await response.json();
        
        if (result.success) {
            let historyList = '';
            
            if (result.data.length === 0) {
                historyList = '<p class="text-muted text-center">暂无查询历史记录</p>';
            } else {
                result.data.forEach(history => {
                    const createdDate = new Date(history.created_at).toLocaleString();
                    const consistencyRate = history.total_keys > 0 ? 
                        Math.round((history.identical_count / history.total_keys) * 100) : 0;
                    
                    historyList += `
                        <div class="card mb-3">
                            <div class="card-body">
                                <div class="d-flex justify-content-between align-items-start">
                                    <div class="flex-grow-1">
                                        <h6 class="card-title mb-1">${history.name}</h6>
                                        <p class="card-text text-muted small mb-2">${history.description || '无描述'}</p>
                                        <div class="row">
                                            <div class="col-md-6">
                                                <small class="text-muted">
                                                    <i class="fas fa-clock"></i> ${createdDate}<br>
                                                    <i class="fas fa-key"></i> 查询: ${history.total_keys}个Key
                                                </small>
                                            </div>
                                            <div class="col-md-6">
                                                <small class="text-muted">
                                                    <i class="fas fa-chart-line"></i> 一致性: ${consistencyRate}%<br>
                                                    <i class="fas fa-exclamation-triangle"></i> 差异: ${history.differences_count}处
                                                </small>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="ms-3">
                                        <button class="btn btn-sm btn-primary me-1" onclick="loadHistoryRecord(${history.id})" title="加载配置">
                                            <i class="fas fa-download"></i>
                                        </button>
                                        <button class="btn btn-sm btn-info me-1" onclick="viewHistoryDetail(${history.id})" title="查看详情">
                                            <i class="fas fa-eye"></i>
                                        </button>
                                        <button class="btn btn-sm btn-danger" onclick="deleteHistoryRecord(${history.id}, '${history.name}')" title="删除">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    </div>
                                </div>
                            </div>
                        </div>
                    `;
                });
            }
            
            const modalContent = `
                <div class="modal fade" id="queryHistoryModal" tabindex="-1">
                    <div class="modal-dialog modal-xl">
                        <div class="modal-content">
                            <div class="modal-header">
                                <h5 class="modal-title">
                                    <i class="fas fa-history"></i> 查询历史记录
                                </h5>
                                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                            </div>
                            <div class="modal-body" style="max-height: 600px; overflow-y: auto;">
                                ${historyList}
                            </div>
                            <div class="modal-footer">
                                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                            </div>
                        </div>
                    </div>
                </div>
            `;
            
            // 移除现有modal
            const existingModal = document.getElementById('queryHistoryModal');
            if (existingModal) {
                existingModal.remove();
            }
            
            // 添加新modal到body
            document.body.insertAdjacentHTML('beforeend', modalContent);
            
            // 显示modal
            const modal = new bootstrap.Modal(document.getElementById('queryHistoryModal'));
            modal.show();
            
        } else {
            showAlert('danger', '加载查询历史记录失败');
        }
    } catch (error) {
        showAlert('danger', '加载查询历史记录失败: ' + error.message);
    }
}

// 加载历史记录配置
async function loadHistoryRecord(historyId) {
    try {
        const response = await fetch(`/api/query-history/${historyId}`);
        const result = await response.json();
        
        if (result.success) {
            const history = result.data;
            
            // 填充生产环境配置
            document.getElementById('pro_cluster_name').value = history.pro_config.cluster_name || '';
            document.getElementById('pro_datacenter').value = history.pro_config.datacenter || '';
            document.getElementById('pro_hosts').value = (history.pro_config.hosts || []).join(',');
            document.getElementById('pro_port').value = history.pro_config.port || 9042;
            document.getElementById('pro_username').value = history.pro_config.username || '';
            document.getElementById('pro_password').value = history.pro_config.password || '';
            document.getElementById('pro_keyspace').value = history.pro_config.keyspace || '';
            document.getElementById('pro_table').value = history.pro_config.table || '';
            
            // 填充测试环境配置
            document.getElementById('test_cluster_name').value = history.test_config.cluster_name || '';
            document.getElementById('test_datacenter').value = history.test_config.datacenter || '';
            document.getElementById('test_hosts').value = (history.test_config.hosts || []).join(',');
            document.getElementById('test_port').value = history.test_config.port || 9042;
            document.getElementById('test_username').value = history.test_config.username || '';
            document.getElementById('test_password').value = history.test_config.password || '';
            document.getElementById('test_keyspace').value = history.test_config.keyspace || '';
            document.getElementById('test_table').value = history.test_config.table || '';
            
            // 填充查询配置
            document.getElementById('keys').value = (history.query_config.keys || []).join(',');
            document.getElementById('fields_to_compare').value = (history.query_config.fields_to_compare || []).join(',');
            document.getElementById('exclude_fields').value = (history.query_config.exclude_fields || []).join(',');
            
            // 填充查询Key值
            document.getElementById('query_values').value = (history.query_keys || []).join('\n');
            
            // 关闭历史记录modal
            const modal = bootstrap.Modal.getInstance(document.getElementById('queryHistoryModal'));
            modal.hide();
            
            showAlert('success', `历史记录 "${history.name}" 加载成功`);
        } else {
            showAlert('danger', result.error || '加载历史记录失败');
        }
    } catch (error) {
        showAlert('danger', '加载历史记录失败: ' + error.message);
    }
}

// 查看历史记录详情
async function viewHistoryDetail(historyId) {
    try {
        const response = await fetch(`/api/query-history/${historyId}`);
        const result = await response.json();
        
        if (result.success) {
            const history = result.data;
            const summary = history.results_summary;
            
            const modalContent = `
                <div class="modal fade" id="historyDetailModal" tabindex="-1">
                    <div class="modal-dialog modal-xl">
                        <div class="modal-content">
                            <div class="modal-header">
                                <h5 class="modal-title">
                                    <i class="fas fa-eye"></i> 查询历史详情 - ${history.name}
                                </h5>
                                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                            </div>
                            <div class="modal-body">
                                <!-- 基本信息 -->
                                <div class="row mb-4">
                                    <div class="col-md-6">
                                        <div class="card">
                                            <div class="card-header">
                                                <h6><i class="fas fa-info-circle"></i> 基本信息</h6>
                                            </div>
                                            <div class="card-body">
                                                <p><strong>名称:</strong> ${history.name}</p>
                                                <p><strong>描述:</strong> ${history.description || '无描述'}</p>
                                                <p><strong>创建时间:</strong> ${new Date(history.created_at).toLocaleString()}</p>
                                                <p><strong>执行时间:</strong> ${history.execution_time.toFixed(2)}秒</p>
                                            </div>
                                        </div>
                                    </div>
                                    <div class="col-md-6">
                                        <div class="card">
                                            <div class="card-header">
                                                <h6><i class="fas fa-chart-bar"></i> 查询统计</h6>
                                            </div>
                                            <div class="card-body">
                                                <p><strong>查询Key数:</strong> ${history.total_keys}</p>
                                                <p><strong>相同记录:</strong> ${history.identical_count}</p>
                                                <p><strong>差异记录:</strong> ${history.differences_count}</p>
                                                <p><strong>一致性:</strong> ${history.total_keys > 0 ? Math.round((history.identical_count / history.total_keys) * 100) : 0}%</p>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                
                                <!-- 配置信息 -->
                                <div class="card mb-4">
                                    <div class="card-header">
                                        <h6><i class="fas fa-cogs"></i> 查询配置</h6>
                                    </div>
                                    <div class="card-body">
                                        <div class="row">
                                            <div class="col-md-4">
                                                <p><strong>主键字段:</strong> ${(history.query_config.keys || []).join(', ')}</p>
                                            </div>
                                            <div class="col-md-4">
                                                <p><strong>比较字段:</strong> ${(history.query_config.fields_to_compare || []).join(', ') || '全部字段'}</p>
                                            </div>
                                            <div class="col-md-4">
                                                <p><strong>排除字段:</strong> ${(history.query_config.exclude_fields || []).join(', ') || '无'}</p>
                                            </div>
                                        </div>
                                        <div class="mt-3">
                                            <p><strong>查询Key值:</strong></p>
                                            <pre class="bg-light p-2 rounded" style="max-height: 200px; overflow-y: auto;">${(history.query_keys || []).join('\n')}</pre>
                                        </div>
                                    </div>
                                </div>
                                
                                <!-- 结果总结 -->
                                ${summary ? `
                                    <div class="card">
                                        <div class="card-header">
                                            <h6><i class="fas fa-chart-pie"></i> 结果总结</h6>
                                        </div>
                                        <div class="card-body">
                                            <!-- 数据质量评估 -->
                                            <div class="row mb-3">
                                                <div class="col-md-6">
                                                    <h6>数据质量评估</h6>
                                                    <div class="d-flex align-items-center">
                                                        <span class="badge bg-${summary.data_quality?.quality_level?.color || 'secondary'} me-2">
                                                            ${summary.data_quality?.quality_level?.level || 'N/A'}
                                                        </span>
                                                        <span class="text-muted">${summary.data_quality?.quality_level?.description || ''}</span>
                                                    </div>
                                                </div>
                                                <div class="col-md-6">
                                                    <h6>一致性评分</h6>
                                                    <div class="progress">
                                                        <div class="progress-bar bg-${summary.data_quality?.quality_level?.color || 'secondary'}" 
                                                             style="width: ${summary.data_quality?.consistency_score || 0}%">
                                                            ${summary.data_quality?.consistency_score || 0}%
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                            
                                            <!-- 改进建议 -->
                                            ${summary.recommendations?.length > 0 ? `
                                                <div>
                                                    <h6>改进建议</h6>
                                                    <ul class="list-unstyled">
                                                        ${summary.recommendations.map(rec => `
                                                            <li class="mb-1">
                                                                <i class="fas fa-arrow-right text-primary me-2"></i>
                                                                ${rec}
                                                            </li>
                                                        `).join('')}
                                                    </ul>
                                                </div>
                                            ` : ''}
                                        </div>
                                    </div>
                                ` : ''}
                            </div>
                            <div class="modal-footer">
                                <button type="button" class="btn btn-primary" onclick="loadHistoryRecord(${history.id}); bootstrap.Modal.getInstance(document.getElementById('historyDetailModal')).hide();">
                                    <i class="fas fa-download"></i> 加载配置
                                </button>
                                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">关闭</button>
                            </div>
                        </div>
                    </div>
                </div>
            `;
            
            // 移除现有modal
            const existingModal = document.getElementById('historyDetailModal');
            if (existingModal) {
                existingModal.remove();
            }
            
            // 添加新modal到body
            document.body.insertAdjacentHTML('beforeend', modalContent);
            
            // 显示modal
            const modal = new bootstrap.Modal(document.getElementById('historyDetailModal'));
            modal.show();
            
        } else {
            showAlert('danger', '加载历史记录详情失败');
        }
    } catch (error) {
        showAlert('danger', '加载历史记录详情失败: ' + error.message);
    }
}

// 删除历史记录
async function deleteHistoryRecord(historyId, historyName) {
    if (!confirm(`确定要删除历史记录 "${historyName}" 吗？此操作不可撤销。`)) {
        return;
    }
    
    try {
        const response = await fetch(`/api/query-history/${historyId}`, {
            method: 'DELETE'
        });
        
        const result = await response.json();
        
        if (result.success) {
            showAlert('success', result.message);
            
            // 重新显示历史记录对话框
            setTimeout(() => {
                showQueryHistoryDialog();
            }, 500);
        } else {
            showAlert('danger', result.error || '删除历史记录失败');
        }
    } catch (error) {
        showAlert('danger', '删除历史记录失败: ' + error.message);
    }
}

// 显示保存历史记录对话框
function showSaveHistoryDialog() {
    if (!currentResults) {
        showAlert('warning', '请先执行查询操作，然后再保存历史记录');
        return;
    }
    
    const modalContent = `
        <div class="modal fade" id="saveHistoryModal" tabindex="-1">
            <div class="modal-dialog">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">
                            <i class="fas fa-bookmark"></i> 保存查询历史记录
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body">
                        <div class="mb-3">
                            <label class="form-label">历史记录名称 <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" id="historyRecordName" placeholder="请输入历史记录名称">
                        </div>
                        <div class="mb-3">
                            <label class="form-label">描述</label>
                            <textarea class="form-control" id="historyRecordDesc" rows="3" placeholder="请输入历史记录描述（可选）"></textarea>
                        </div>
                        <div class="alert alert-info">
                            <small>
                                <strong>当前查询统计:</strong><br>
                                • 查询Key数: ${currentResults.total_keys}<br>
                                • 相同记录: ${currentResults.identical_results.length}<br>
                                • 差异记录: ${currentResults.differences.length}
                            </small>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                        <button type="button" class="btn btn-primary" onclick="saveHistoryRecord()">
                            <i class="fas fa-check"></i> 保存
                        </button>
                    </div>
                </div>
            </div>
        </div>
    `;
    
    // 移除现有modal
    const existingModal = document.getElementById('saveHistoryModal');
    if (existingModal) {
        existingModal.remove();
    }
    
    // 添加新modal到body
    document.body.insertAdjacentHTML('beforeend', modalContent);
    
    // 显示modal
    const modal = new bootstrap.Modal(document.getElementById('saveHistoryModal'));
    modal.show();
}

// 保存历史记录
async function saveHistoryRecord() {
    const name = document.getElementById('historyRecordName').value.trim();
    const description = document.getElementById('historyRecordDesc').value.trim();
    
    if (!name) {
        showAlert('warning', '请输入历史记录名称');
        return;
    }
    
    if (!currentResults) {
        showAlert('warning', '没有可保存的查询结果');
        return;
    }
    
    const config = getCurrentConfig();
    
    try {
        const response = await fetch('/api/query-history', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                name: name,
                description: description,
                pro_config: config.pro_config,
                test_config: config.test_config,
                query_config: {
                    keys: config.keys,
                    fields_to_compare: config.fields_to_compare,
                    exclude_fields: config.exclude_fields
                },
                query_keys: config.values,
                results_summary: currentResults.summary || {},
                execution_time: 0.0,
                total_keys: currentResults.total_keys,
                differences_count: currentResults.differences.length,
                identical_count: currentResults.identical_results.length
            })
        });
        
        const result = await response.json();
        
        if (result.success) {
            // 关闭modal
            const modal = bootstrap.Modal.getInstance(document.getElementById('saveHistoryModal'));
            modal.hide();
            
            showAlert('success', result.message);
        } else {
            showAlert('danger', result.error || '保存历史记录失败');
        }
    } catch (error) {
        showAlert('danger', '保存历史记录失败: ' + error.message);
    }
}

// 导出配置
function exportConfig() {
    const config = getCurrentConfig();
    const dataStr = JSON.stringify(config, null, 2);
    const dataBlob = new Blob([dataStr], {type: 'application/json'});
    
    const link = document.createElement('a');
    link.href = URL.createObjectURL(dataBlob);
    link.download = 'db_compare_config.json';
    link.click();
}

// 导出结果
function exportResults() {
    if (!currentResults) {
        showAlert('warning', '没有可导出的结果');
        return;
    }
    
    let output = `数据库查询比对结果\n`;
    output += `生成时间: ${new Date().toLocaleString()}\n`;
    output += `=`.repeat(50) + '\n\n';
    
    output += `统计信息:\n`;
    output += `- 总Key数量: ${currentResults.total_keys}\n`;
    output += `- 生产表记录: ${currentResults.pro_count}\n`;
    output += `- 测试表记录: ${currentResults.test_count}\n`;
    output += `- 发现差异: ${currentResults.differences.length}\n\n`;
    
    if (currentResults.differences.length > 0) {
        output += `差异详情:\n`;
        output += `-`.repeat(30) + '\n';
        
        currentResults.differences.forEach((diff, index) => {
            output += `差异 #${index + 1}:\n`;
            output += `主键: ${JSON.stringify(diff.key)}\n`;
            
            if (diff.message) {
                output += `消息: ${diff.message}\n`;
            } else {
                output += `字段: ${diff.field}\n`;
                output += `生产表值: ${diff.pro_value}\n`;
                output += `测试表值: ${diff.test_value}\n`;
            }
            output += '\n';
        });
        
        // 字段差异统计
        if (Object.keys(currentResults.field_diff_count).length > 0) {
            output += `字段差异统计:\n`;
            output += `-`.repeat(30) + '\n';
            Object.entries(currentResults.field_diff_count)
                .sort(([, a], [, b]) => b - a)
                .forEach(([field, count]) => {
                    output += `${field}: ${count}次\n`;
                });
        }
    }
    
    const dataBlob = new Blob([output], {type: 'text/plain;charset=utf-8'});
    const link = document.createElement('a');
    link.href = URL.createObjectURL(dataBlob);
    link.download = `db_compare_result_${new Date().toISOString().slice(0, 19).replace(/:/g, '-')}.txt`;
    link.click();
}

// 显示一键导入对话框
function showImportDialog(env) {
    const envName = env === 'pro' ? '生产环境' : '测试环境';
    
    const modalContent = `
        <div class="modal fade" id="importModal" tabindex="-1">
            <div class="modal-dialog modal-lg">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">
                            <i class="fas fa-download"></i> 一键导入${envName}配置
                        </h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                    </div>
                    <div class="modal-body">
                        <p class="text-muted mb-3">请粘贴配置数据，支持以下格式：</p>
                        <div class="mb-3">
                            <small class="text-muted">示例格式：</small>
                            <pre class="bg-light p-2 rounded small">clusterName: "Hot Cluster"
clusterNodes: "10.20.2.22,10.20.2.23"
port: 9042
datacenter: "cs01"
username: "cbase"
password: "antducbaseadmin@2022"
keyspace: "yuqing_skinny"
table: "status_test"</pre>
                        </div>
                        <div class="mb-3">
                            <label class="form-label">配置数据：</label>
                            <textarea class="form-control" id="importConfigData" rows="8" 
                                      placeholder="请粘贴配置数据...">
                            </textarea>
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
                        <button type="button" class="btn btn-primary" onclick="importConfig('${env}')">
                            <i class="fas fa-check"></i> 导入配置
                        </button>
                    </div>
                </div>
            </div>
        </div>
    `;
    
    // 移除现有modal
    const existingModal = document.getElementById('importModal');
    if (existingModal) {
        existingModal.remove();
    }
    
    // 添加新modal到body
    document.body.insertAdjacentHTML('beforeend', modalContent);
    
    // 显示modal
    const modal = new bootstrap.Modal(document.getElementById('importModal'));
    modal.show();
}

// 导入配置数据
function importConfig(env) {
    const configData = document.getElementById('importConfigData').value.trim();
    
    if (!configData) {
        showAlert('warning', '请输入配置数据');
        return;
    }
    
    try {
        // 解析配置数据
        const config = parseConfigData(configData);
        
        // 根据环境类型填充对应的表单字段
        const prefix = env === 'pro' ? 'pro' : 'test';
        
        if (config.clusterName) {
            document.getElementById(`${prefix}_cluster_name`).value = config.clusterName;
        }
        if (config.datacenter) {
            document.getElementById(`${prefix}_datacenter`).value = config.datacenter;
        }
        if (config.clusterNodes) {
            document.getElementById(`${prefix}_hosts`).value = config.clusterNodes;
        }
        if (config.port) {
            document.getElementById(`${prefix}_port`).value = config.port;
        }
        if (config.username) {
            document.getElementById(`${prefix}_username`).value = config.username;
        }
        if (config.password) {
            document.getElementById(`${prefix}_password`).value = config.password;
        }
        if (config.keyspace) {
            document.getElementById(`${prefix}_keyspace`).value = config.keyspace;
        }
        if (config.table) {
            document.getElementById(`${prefix}_table`).value = config.table;
        }
        
        // 关闭modal
        const modal = bootstrap.Modal.getInstance(document.getElementById('importModal'));
        modal.hide();
        
        const envName = env === 'pro' ? '生产环境' : '测试环境';
        showAlert('success', `${envName}配置导入成功！`);
        
    } catch (error) {
        showAlert('danger', '配置解析失败：' + error.message);
    }
}

// 解析配置数据
function parseConfigData(configText) {
    const config = {};
    
    try {
        // 尝试按JSON格式解析
        const jsonConfig = JSON.parse(configText);
        return jsonConfig;
    } catch (e) {
        // 如果不是JSON，按YAML格式解析
        const lines = configText.split('\n');
        
        for (const line of lines) {
            const trimmedLine = line.trim();
            if (!trimmedLine || trimmedLine.startsWith('#')) {
                continue; // 跳过空行和注释
            }
            
            const colonIndex = trimmedLine.indexOf(':');
            if (colonIndex === -1) {
                continue; // 跳过无效行
            }
            
            const key = trimmedLine.substring(0, colonIndex).trim();
            let value = trimmedLine.substring(colonIndex + 1).trim();
            
            // 处理带引号的值
            if ((value.startsWith('"') && value.endsWith('"')) ||
                (value.startsWith("'") && value.endsWith("'"))) {
                value = value.slice(1, -1);
            }
            
            // 尝试转换数字
            if (!isNaN(value) && value !== '') {
                config[key] = parseInt(value);
            } else {
                config[key] = value;
            }
        }
        
        return config;
    }
}

// 显示提示信息
function showAlert(type, message) {
    // 移除已存在的提示
    const existingAlert = document.querySelector('.alert');
    if (existingAlert) {
        existingAlert.remove();
    }
    
    const alertHtml = `
        <div class="alert alert-${type} alert-dismissible fade show" role="alert">
            ${message}
            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
    `;
    
    // 插入到页面顶部
    const container = document.querySelector('.container-fluid');
    container.insertAdjacentHTML('afterbegin', alertHtml);
    
    // 自动隐藏
    setTimeout(() => {
        const alert = document.querySelector('.alert');
        if (alert) {
            alert.remove();
        }
    }, 5000);
}