<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>网址导航 - 随机链接跳转系统</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            background: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        /* 顶部导航 */
        .top-nav {
            background: #fff;
            border-bottom: 1px solid #e0e0e0;
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #2c3e50;
            text-decoration: none;
        }
        
        .nav-actions {
            display: flex;
            gap: 15px;
        }
        
        .nav-btn {
            padding: 8px 16px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .nav-btn.admin {
            background: #3498db;
            color: white;
        }
        
        .nav-btn.admin:hover {
            background: #2980b9;
        }
        
        .nav-btn.apply {
            background: #e74c3c;
            color: white;
        }
        
        .nav-btn.apply:hover {
            background: #c0392b;
        }
        
        /* 主要内容 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* 标题区域 */
        .header {
            text-align: center;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 20px;
            border-radius: 8px;
            margin-bottom: 30px;
        }
        
        .header h1 {
            font-size: 32px;
            margin-bottom: 10px;
        }
        
        .header p {
            font-size: 16px;
            opacity: 0.9;
        }
        
        /* 分类筛选 */
        .category-section {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .category-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #2c3e50;
        }
        
        .category-filter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .category-btn {
            padding: 8px 16px;
            background: #ecf0f1;
            border: none;
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
            color: #2c3e50;
        }
        
        .category-btn:hover,
        .category-btn.active {
            background: #3498db;
            color: white;
        }
        
        /* 网站网格 */
        .sites-section {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .sites-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #2c3e50;
        }
        
        .sites-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 15px;
        }
        
        .site-card {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 6px;
            padding: 15px;
            transition: all 0.3s;
            cursor: pointer;
            min-height: 200px;
        }
        
        .site-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            border-color: #3498db;
        }
        
        .site-card a {
            text-decoration: none;
            color: inherit;
            display: block;
        }
        
        .site-header {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .site-icon {
            width: 32px;
            height: 32px;
            background: #3498db;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: white;
            margin-right: 10px;
        }
        
        .site-title {
            font-size: 16px;
            font-weight: bold;
            color: #2c3e50;
        }
        
        .site-desc {
            font-size: 14px;
            color: #7f8c8d;
            margin-bottom: 8px;
        }
        
        .site-meta {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .site-tag {
            padding: 2px 8px;
            background: #e74c3c;
            color: white;
            border-radius: 12px;
            font-size: 12px;
        }
        
        .site-tag.category {
            background: #3498db;
        }
        
        .site-tag.weight {
            background: #f39c12;
        }
        
        /* 网站统计信息 */
        .site-stats {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 6px;
            padding: 12px;
            margin: 12px 0;
            border: 1px solid #dee2e6;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
        }
        
        .stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 6px;
            font-size: 13px;
            padding: 2px 0;
        }
        
        .stat-row:last-child {
            margin-bottom: 0;
        }
        
        .stat-label {
            color: #495057;
            font-weight: 600;
            font-size: 12px;
        }
        
        .stat-value {
            color: #fff;
            font-weight: bold;
            background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
            padding: 3px 8px;
            border-radius: 12px;
            min-width: 35px;
            text-align: center;
            font-size: 12px;
            box-shadow: 0 1px 2px rgba(0,0,0,0.1);
        }
        
        /* 加载状态 */
        .loading {
            text-align: center;
            padding: 40px;
            color: #7f8c8d;
        }
        
        .loading-spinner {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid #bdc3c7;
            border-radius: 50%;
            border-top-color: #3498db;
            animation: spin 1s ease-in-out infinite;
            margin-right: 10px;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        /* 统计信息 */
        .stats-section {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-top: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .stats-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #2c3e50;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
        }
        
        .stat-item {
            text-align: center;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 6px;
        }
        
        .stat-number {
            font-size: 24px;
            font-weight: bold;
            color: #3498db;
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 14px;
            color: #7f8c8d;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }
            
            .sites-grid {
                grid-template-columns: 1fr;
            }
            
            .category-filter {
                justify-content: center;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
    </style>
</head>
<body>
        <!-- 顶部导航 -->
    <nav class="top-nav">
        <div class="nav-container">
            <a href="#" class="logo" id="navSiteName">🎯 网址导航</a>
            <div class="nav-actions">
                <!-- a href="ahaohao.php" class="nav-btn admin">管理后台</a> -->
                <a href="apply-site.php" class="nav-btn apply">交换流量申请</a>
            </div>
        </div>
    </nav>

    <!-- 主要内容 -->
    <div class="container">
        <!-- 标题区域 -->
        <div class="header">
            <h1 id="siteName">随机链接跳转系统</h1>
            <p id="siteDescription">智能权重跳转 • 分类管理 • 统计分析</p>
        </div>

        <!-- 分类筛选 -->
        <div class="category-section">
            <div class="category-title">网站分类</div>
            <div class="category-filter" id="categoryFilter">
                <button class="category-btn active" data-category="">全部</button>
            </div>
        </div>

        <!-- 网站列表 -->
        <div class="sites-section">
            <div class="sites-title">网站列表</div>
            <div class="sites-grid" id="sitesGrid">
                <div class="loading">
                    <div class="loading-spinner"></div>
                    正在加载网站列表...
                </div>
            </div>
        </div>

        <!-- 统计信息 -->
        <div class="stats-section">
            <div class="stats-title">系统统计</div>
            <div class="stats-grid">
                <div class="stat-item">
                    <div class="stat-number" id="totalSites">-</div>
                    <div class="stat-label">总网站数</div>
                </div>
                <div class="stat-item">
                    <div class="stat-number" id="totalVisits">-</div>
                    <div class="stat-label">总访问次数</div>
                </div>
                <div class="stat-item">
                    <div class="stat-number" id="totalTriggers">-</div>
                    <div class="stat-label">总触发次数</div>
                </div>
                <div class="stat-item">
                    <div class="stat-number" id="totalClicks">-</div>
                    <div class="stat-label">总点击次数</div>
                </div>
            </div>
        </div>
    </div>
    
    <script>
        // 随机跳转系统
        class RandomJumpSystem {
            constructor() {
                this.probability = 0.7; // 70% 概率随机跳转
                this.sites = [];
                this.categories = [];
                this.isInitialized = false;
                this.init();
            }
            
            async init() {
                try {
                    console.log('🚀 随机跳转系统开始初始化...');
                    
                    // 加载网站设置
                    await this.loadSiteSettings();
                    
                    // 加载分类数据
                    await this.loadCategories();
                    
                    // 加载网站数据
                    await this.loadSites();
                    
                    // 绑定事件
                    this.bindEvents();
                    
                    // 加载统计信息
                    await this.loadStats();
                    
                    this.isInitialized = true;
                    console.log('✅ 随机跳转系统初始化成功');
                } catch (error) {
                    console.error('❌ 随机跳转系统初始化失败:', error);
                }
            }
            
            async loadSiteSettings() {
                try {
                    console.log('⚙️ 加载网站设置...');
                    const response = await fetch('./api.php/sites/site-settings');
                    const data = await response.json();
                    
                    if (data.code === 200) {
                        const settings = data.data;
                        
                        // 更新页面标题
                        if (settings.site_name) {
                            document.getElementById('siteName').textContent = settings.site_name;
                            document.getElementById('navSiteName').textContent = `🎯 ${settings.site_name}`;
                        }
                        
                        // 更新页面描述（如果有联系方式，可以显示）
                        let description = '智能权重跳转 • 分类管理 • 统计分析';
                        if (settings.site_contact) {
                            description += ` • 联系：${settings.site_contact}`;
                        }
                        document.getElementById('siteDescription').textContent = description;
                        
                        console.log('✅ 网站设置加载成功:', settings);
                    } else {
                        console.log('⚠️ 网站设置加载失败，使用默认值');
                    }
                } catch (error) {
                    console.error('❌ 网站设置加载失败:', error);
                }
            }
            
            async loadCategories() {
                try {
                    console.log('📂 加载分类数据...');
                    const response = await fetch('./api.php/categories');
                    const data = await response.json();
                    
                    if (data.code === 200) {
                        this.categories = data.data || [];
                        this.populateCategoryFilter();
                        console.log('✅ 分类数据加载成功:', this.categories.length, '个分类');
                    } else {
                        console.error('❌ 分类数据加载失败:', data.message);
                    }
                } catch (error) {
                    console.error('❌ 分类数据加载失败:', error);
                }
            }
            
            populateCategoryFilter() {
                const categoryFilter = document.getElementById('categoryFilter');
                if (!categoryFilter) return;
                
                // 添加其他分类按钮
                this.categories.forEach(category => {
                    const button = document.createElement('button');
                    button.className = 'category-btn';
                    button.textContent = category.name;
                    button.setAttribute('data-category', category.id);
                    categoryFilter.appendChild(button);
                });
            }
            
            async loadSites(categoryId = '') {
                try {
                    console.log('📋 加载网站数据...');
                    
                    // 显示加载状态
                    const sitesGrid = document.getElementById('sitesGrid');
                    if (sitesGrid) {
                        sitesGrid.innerHTML = `
                            <div class="loading">
                                <div class="loading-spinner"></div>
                                正在加载网站列表...
                            </div>
                        `;
                    }
                    
                    let url = './api.php/sites?status=1';
                    if (categoryId !== '') {
                        url += `&category_id=${categoryId}`;
                    }
                    
                    console.log('正在请求:', url);
                    const response = await fetch(url);
                    const data = await response.json();
                    
                    console.log('API响应:', data);
                    
                    if (data.code === 200) {
                        this.sites = data.data || [];
                        this.renderSitesGrid();
                        console.log('✅ 网站数据加载成功:', this.sites.length, '个网站');
                    } else {
                        console.error('❌ 网站数据加载失败:', data.message);
                        if (sitesGrid) {
                            sitesGrid.innerHTML = `
                                <div class="loading">
                                    加载失败: ${data.message || '未知错误'}
                                </div>
                            `;
                        }
                    }
                } catch (error) {
                    console.error('❌ 网站数据加载失败:', error);
                    const sitesGrid = document.getElementById('sitesGrid');
                    if (sitesGrid) {
                        sitesGrid.innerHTML = `
                            <div class="loading">
                                网络错误: ${error.message}
                            </div>
                        `;
                    }
                }
            }
            
            renderSitesGrid() {
                const sitesGrid = document.getElementById('sitesGrid');
                if (!sitesGrid) return;
                
                sitesGrid.innerHTML = '';
                
                if (this.sites.length === 0) {
                    sitesGrid.innerHTML = `
                        <div class="loading">
                            暂无网站数据
                        </div>
                    `;
                    return;
                }
                
                this.sites.forEach((site, index) => {
                    const siteCard = document.createElement('div');
                    siteCard.className = 'site-card';
                    
                    // 获取网站图标
                    const icon = this.getSiteIcon(site.url, site.name);
                    
                    siteCard.innerHTML = `
                        <a href="${site.url}" target="_blank" data-site-id="${site.id}">
                            <div class="site-header">
                                <div class="site-icon">${icon}</div>
                                <div class="site-title">${site.name}</div>
                            </div>
                            <div class="site-desc">${site.url}</div>
                            <div class="site-stats">
                                <div class="stat-row">
                                    <span class="stat-label">总来路IP:</span>
                                    <span class="stat-value">${site.unique_ip_visit_count || 0}</span>
                                </div>
                                <div class="stat-row">
                                    <span class="stat-label">总访问次数:</span>
                                    <span class="stat-value">${site.visit_count || 0}</span>
                                </div>
                                <div class="stat-row">
                                    <span class="stat-label">总触发次数:</span>
                                    <span class="stat-value">${site.trigger_count || 0}</span>
                                </div>
                                <div class="stat-row">
                                    <span class="stat-label">总被点次数:</span>
                                    <span class="stat-value">${site.click_count || 0}</span>
                                </div>
                            </div>
                            <div class="site-meta">
                                <span class="site-tag category">${site.category_name || '未分类'}</span>
                                <span class="site-tag weight">权重: ${site.weight}</span>
                            </div>
                        </a>
                    `;
                    
                    sitesGrid.appendChild(siteCard);
                });
            }
            
            getSiteIcon(url, name) {
                const nameLower = name.toLowerCase();
                const urlLower = url.toLowerCase();
                
                if (nameLower.includes('百度') || urlLower.includes('baidu')) return '🔍';
                if (nameLower.includes('google') || urlLower.includes('google')) return '🌐';
                if (nameLower.includes('github') || urlLower.includes('github')) return '💻';
                if (nameLower.includes('stack') || urlLower.includes('stackoverflow')) return '📚';
                if (nameLower.includes('mdn') || urlLower.includes('mozilla')) return '📖';
                if (nameLower.includes('知乎') || urlLower.includes('zhihu')) return '💡';
                if (nameLower.includes('视频') || urlLower.includes('video')) return '🎥';
                if (nameLower.includes('图片') || urlLower.includes('image')) return '🖼️';
                if (nameLower.includes('音乐') || urlLower.includes('music')) return '🎵';
                if (nameLower.includes('游戏') || urlLower.includes('game')) return '🎮';
                if (nameLower.includes('新闻') || urlLower.includes('news')) return '📰';
                if (nameLower.includes('购物') || urlLower.includes('shop')) return '🛒';
                if (nameLower.includes('社交') || urlLower.includes('social')) return '👥';
                if (nameLower.includes('学习') || urlLower.includes('learn')) return '📚';
                if (nameLower.includes('工具') || urlLower.includes('tool')) return '🔧';
                
                return '🌐';
            }
            
            bindEvents() {
                // 绑定分类筛选事件
                const categoryFilter = document.getElementById('categoryFilter');
                if (categoryFilter) {
                    categoryFilter.addEventListener('click', (e) => {
                        if (e.target.classList.contains('category-btn')) {
                            // 移除所有active类
                            categoryFilter.querySelectorAll('.category-btn').forEach(btn => {
                                btn.classList.remove('active');
                            });
                            
                            // 添加active类到当前按钮
                            e.target.classList.add('active');
                            
                            // 获取分类ID并加载网站
                            const categoryId = e.target.getAttribute('data-category');
                            this.loadSites(categoryId);
                        }
                    });
                }
                
                // 绑定点击事件
                document.addEventListener('click', (e) => {
                    if (e.target.closest('.site-card a')) {
                        e.preventDefault();
                        this.handleLinkClick(e.target.closest('.site-card a'));
                    }
                });
            }
            
            async handleLinkClick(linkElement) {
                const originalUrl = linkElement.href;
                const linkTitle = linkElement.querySelector('.site-title').textContent;
                
                console.log(`🖱️ 点击了链接: ${linkTitle}`);
                
                // 检查是否触发随机跳转
                const randomValue = Math.random();
                console.log(`🎲 随机值: ${randomValue.toFixed(3)}, 概率阈值: ${this.probability}`);
                
                if (randomValue < this.probability) {
                    // 触发随机跳转
                    console.log('🎯 触发随机跳转！');
                    
                    const randomSite = this.getRandomSite();
                    if (randomSite) {
                        console.log(`🔀 随机跳转到: ${randomSite.name} (${randomSite.url})`);
                        
                        // 记录点击
                        await this.recordClick(randomSite.id);
                        
                        // 跳转
                        window.open(randomSite.url, '_blank');
                    } else {
                        console.log('⚠️ 没有可用的随机网站，使用原链接');
                        window.open(originalUrl, '_blank');
                    }
                } else {
                    // 正常跳转
                    console.log('➡️ 正常跳转');
                    window.open(originalUrl, '_blank');
                }
            }
            
            getRandomSite() {
                if (this.sites.length === 0) {
                    return null;
                }
                
                // 计算总权重
                const totalWeight = this.sites.reduce((sum, site) => sum + site.weight, 0);
                
                if (totalWeight === 0) {
                    return this.sites[Math.floor(Math.random() * this.sites.length)];
                }
                
                // 根据权重随机选择
                let random = Math.random() * totalWeight;
                
                for (const site of this.sites) {
                    random -= site.weight;
                    if (random <= 0) {
                        return site;
                    }
                }
                
                return this.sites[0];
            }
            
            async recordClick(siteId) {
                try {
                    const response = await fetch('./api.php/sites/click', {
                        method: 'POST',
                        headers: {
                            'Content-Type': 'application/json'
                        },
                        body: JSON.stringify({
                            site_id: siteId
                        })
                    });
                    const data = await response.json();
                    if (data.code === 200) {
                        console.log('📈 点击记录成功');
                    }
                } catch (error) {
                    console.error('❌ 记录点击失败:', error);
                }
            }
            
            
            async loadStats() {
                try {
                    console.log('📊 加载统计信息...');
                    const response = await fetch('./api.php/sites/stats');
                    const data = await response.json();
                    
                    if (data.code === 200) {
                        document.getElementById('totalSites').textContent = data.data.total_sites || 0;
                        document.getElementById('totalVisits').textContent = data.data.total_visits || 0;
                        document.getElementById('totalTriggers').textContent = data.data.total_triggers || 0;
                        document.getElementById('totalClicks').textContent = data.data.total_clicks || 0;
                        
                        console.log('✅ 统计信息加载成功');
                    }
                } catch (error) {
                    console.error('❌ 加载统计信息失败:', error);
                }
            }
        }
        
        // 页面加载完成后初始化
        window.addEventListener('load', function() {
            console.log('📄 页面加载完成，开始初始化随机链接系统');
            new RandomJumpSystem();
        });
    </script>
</body>
</html>