// 获取统计数据
async function getStatistics() {
    try {
        const response = await fetch(`${API_BASE}/api/statistics`);
        const data = await response.json();
        
        if (data.success) {
            const stats = data.data;
            document.getElementById('totalUrls').textContent = stats.total_urls;
            document.getElementById('totalClicks').textContent = stats.total_clicks;
            document.getElementById('totalReplies').textContent = stats.total_replies;
            document.getElementById('replyRate').textContent = stats.reply_rate;
        }
    } catch (error) {
        console.error('获取统计数据失败:', error);
    }
}

// 加载URL列表
async function loadUrlList() {
    try {
        const response = await fetch(`${API_BASE}/api/urls`);
        const data = await response.json();
        
        if (data.success) {
            const tbody = document.getElementById('urlTableBody');
            
            if (data.data.length === 0) {
                tbody.innerHTML = '<tr><td colspan="5" class="empty-state">暂无数据</td></tr>';
                return;
            }

            tbody.innerHTML = data.data.map(item => `
                <tr>
                    <td>
                        <a href="${item.url}" target="_blank" class="table-url" title="${item.url}">${item.url}</a>
                    </td>
                    <td>${item.click_count}</td>
                    <td>${item.reply_count}</td>
                    <td>${item.last_click_time || '未点击'}</td>
                    <td>
                        <button class="btn btn-warning" style="padding: 4px 12px; font-size: 12px; margin-right: 8px;" onclick="resetUrl('${encodeURIComponent(item.url)}')">重置</button>
                        <button class="btn btn-danger" style="padding: 4px 12px; font-size: 12px;" onclick="deleteUrl('${encodeURIComponent(item.url)}')">删除</button>
                    </td>
                </tr>
            `).join('');
        }
    } catch (error) {
        console.error('加载URL列表失败:', error);
    }
}

// 重置URL
async function resetUrl(encodedUrl) {
    if (!confirm('确定要重置该链接吗？')) {
        return;
    }

    try {
        const response = await fetch(`${API_BASE}/api/urls/${encodedUrl}/reset`, {
            method: 'POST'
        });
        const data = await response.json();
        
        if (data.success) {
            showToast('重置成功', 'success');
            loadUrlList();
            getStatistics();
        } else {
            showToast(data.message || '重置失败', 'error');
        }
    } catch (error) {
        showToast('重置失败: ' + error.message, 'error');
    }
}

// 删除URL
async function deleteUrl(encodedUrl) {
    if (!confirm('确定要删除该链接吗？')) {
        return;
    }

    try {
        const response = await fetch(`${API_BASE}/api/urls/${encodedUrl}`, {
            method: 'DELETE'
        });
        const data = await response.json();
        
        if (data.success) {
            showToast('删除成功', 'success');
            loadUrlList();
            getStatistics();
        } else {
            showToast(data.message || '删除失败', 'error');
        }
    } catch (error) {
        showToast('删除失败: ' + error.message, 'error');
    }
}

// 初始化
document.addEventListener('DOMContentLoaded', () => {
    getStatistics();
    loadUrlList();
    
    // 定时刷新
    setInterval(() => {
        getStatistics();
        loadUrlList();
    }, 5000);
});