// 初始化DNS查询面板
function initQueryPanel() {
    // 初始化事件监听器
    initQueryEventListeners();
}

// 初始化事件监听器
function initQueryEventListeners() {
    // 查询按钮
    document.getElementById('run-query').addEventListener('click', runDnsQuery);
    
    // 按Enter键执行查询
    document.getElementById('query-domain').addEventListener('keypress', function(e) {
        if (e.key === 'Enter') {
            runDnsQuery();
        }
    });
}

// 执行DNS查询
function runDnsQuery() {
    const domainInput = document.getElementById('query-domain');
    const domain = domainInput.value.trim();
    
    if (!domain) {
        window.showNotification('请输入要查询的域名', 'warning');
        domainInput.focus();
        return;
    }
    
    // 显示查询中状态
    showQueryLoading();
    
    apiRequest('/query?domain=' + domain, 'GET', { domain: domain })
        .then(data => {
            renderQueryResult(data);
        })
        .catch(error => {
            console.error('DNS查询失败:', error);
            showQueryError('查询失败，请稍后重试');
            window.showNotification('DNS查询失败', 'error');
        });
}

// 显示查询加载状态
function showQueryLoading() {
    const resultContainer = document.getElementById('query-result-container');
    resultContainer.classList.remove('hidden');
    
    // 清空之前的结果
    const resultHeader = resultContainer.querySelector('.result-header h3');
    const resultContent = resultContainer.querySelector('.result-content');
    
    resultHeader.textContent = '查询中...';
    resultContent.innerHTML = '<div class="loading"></div>';
}

// 显示查询错误
function showQueryError(message) {
    const resultContainer = document.getElementById('query-result-container');
    resultContainer.classList.remove('hidden');
    
    const resultHeader = resultContainer.querySelector('.result-header h3');
    const resultContent = resultContainer.querySelector('.result-content');
    
    resultHeader.textContent = '查询错误';
    resultContent.innerHTML = `<div class="result-item" style="color: #e74c3c;">${message}</div>`;
}

// 渲染查询结果
function renderQueryResult(result) {
    const resultContainer = document.getElementById('query-result-container');
    resultContainer.classList.remove('hidden');
    
    const resultHeader = resultContainer.querySelector('.result-header h3');
    const resultContent = resultContainer.querySelector('.result-content');
    
    resultHeader.textContent = '查询结果';
    
    // 根据查询结果构建内容
    let content = '';
    
    // 域名
    content += `<div class="result-item"><strong>域名:</strong> <span id="result-domain">${result.domain || ''}</span></div>`;
    
    // 状态
    const statusText = result.isBlocked ? '被屏蔽' : result.isAllowed ? '允许访问' : '未知';
    const statusClass = result.isBlocked ? 'status-error' : result.isAllowed ? 'status-success' : '';
    content += `<div class="result-item"><strong>状态:</strong> <span id="result-status" class="${statusClass}">${statusText}</span></div>`;
    
    // 规则类型
    let ruleType = '';
    if (result.isBlocked) {
        if (result.isRegexMatch) {
            ruleType = '正则表达式规则';
        } else if (result.isDomainMatch) {
            ruleType = '域名规则';
        } else {
            ruleType = '未知规则类型';
        }
    } else {
        ruleType = result.isWhitelist ? '白名单规则' : result.isHosts ? 'Hosts记录' : '未匹配任何规则';
    }
    content += `<div class="result-item"><strong>规则类型:</strong> <span id="result-rule-type">${ruleType}</span></div>`;
    
    // 匹配规则
    const matchedRule = result.matchedRule || '无';
    content += `<div class="result-item"><strong>匹配规则:</strong> <span id="result-rule">${matchedRule}</span></div>`;
    
    // Hosts记录
    const hostsRecord = result.hostsRecord ? `${result.hostsRecord.ip} ${result.hostsRecord.domain}` : '无';
    content += `<div class="result-item"><strong>Hosts记录:</strong> <span id="result-hosts">${hostsRecord}</span></div>`;
    
    // 查询时间
    const queryTime = `${(result.queryTime || 0).toFixed(2)} ms`;
    content += `<div class="result-item"><strong>查询时间:</strong> <span id="result-time">${queryTime}</span></div>`;
    
    // DNS响应（如果有）
    if (result.dnsResponse) {
        content += '<div class="result-item"><strong>DNS响应:</strong></div>';
        content += '<div class="dns-response">';
        
        if (result.dnsResponse.answers && result.dnsResponse.answers.length > 0) {
            content += '<ul>';
            result.dnsResponse.answers.forEach(answer => {
                content += `<li>${answer.name} ${answer.type} ${answer.value}</li>`;
            });
            content += '</ul>';
        } else {
            content += '<p>无DNS响应记录</p>';
        }
        content += '</div>';
    }
    
    resultContent.innerHTML = content;
    
    // 更新结果元素的内容（确保数据一致性）
    document.getElementById('result-domain').textContent = result.domain || '';
    document.getElementById('result-status').textContent = statusText;
    document.getElementById('result-status').className = statusClass;
    document.getElementById('result-rule-type').textContent = ruleType;
    document.getElementById('result-rule').textContent = matchedRule;
    document.getElementById('result-hosts').textContent = hostsRecord;
    document.getElementById('result-time').textContent = queryTime;
}