// ==UserScript==
// @name         网站健康检测助手
// @namespace    https://x.aixgn.cn/
// @version      1.1.0
// @description  一键检测网站健康状况，包括CSS样式、JavaScript错误、SEO优化、安全漏洞、性能问题等。免费诊断，生成详细检测报告。
// @author       网站健康检测
// @match        http://*/*
// @match        https://*/*
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @connect      x.aixgn.cn
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    // 隐私声明：仅发送URL进行检测，不收集任何个人信息
    if (window.__health_check_injected) return;
    window.__health_check_injected = true;

    // 创建悬浮按钮
    var btn = document.createElement('div');
    btn.innerHTML = '🔍 检测';
    btn.style.cssText = 'position:fixed;bottom:80px;right:20px;z-index:2147483647;background:linear-gradient(135deg,#3b82f6,#60a5fa);color:#fff;padding:10px 18px;border-radius:25px;cursor:pointer;font-size:13px;font-weight:bold;box-shadow:0 4px 15px rgba(59,130,246,.4);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;user-select:none;';
    document.body.appendChild(btn);

    // 创建结果面板
    var panel = document.createElement('div');
    panel.style.cssText = 'position:fixed;bottom:130px;right:20px;z-index:2147483647;width:340px;background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.15);padding:16px;display:none;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:13px;max-height:450px;overflow-y:auto;border:1px solid #e5e7eb;';
    document.body.appendChild(panel);

    // 按钮点击事件
    btn.onclick = function() {
        if (panel.style.display === 'none') {
            panel.style.display = 'block';
            panel.innerHTML = '<div style="text-align:center;padding:30px 20px;"><div style="font-size:24px;margin-bottom:10px;">🔍</div><div style="color:#6b7280;">正在检测网站健康状况...</div><div style="color:#9ca3af;font-size:11px;margin-top:8px;">仅发送URL进行分析，不收集个人信息</div></div>';
            scanSite();
        } else {
            panel.style.display = 'none';
        }
    };

    // 检测函数
    function scanSite() {
        var url = location.href;
        GM_xmlhttpRequest({
            method: 'POST',
            url: 'https://x.aixgn.cn/xrepair/scan',
            headers: {'Content-Type': 'application/json'},
            data: JSON.stringify({url: url}),
            timeout: 30000,
            onload: function(res) {
                try {
                    var data = JSON.parse(res.responseText);
                    var issues = data.issues || [];
                    var score = data.health_score || data.score || '-';
                    var html = '<div style="font-weight:bold;margin-bottom:12px;color:#111827;font-size:15px;">📊 网站健康检测报告</div>';
                    html += '<div style="background:#f9fafb;border-radius:8px;padding:12px;margin-bottom:12px;text-align:center;">';
                    html += '<div style="font-size:24px;font-weight:bold;color:' + (score >= 80 ? '#10b981' : score >= 60 ? '#f59e0b' : '#ef4444') + ';">' + score + '分</div>';
                    html += '<div style="color:#6b7280;font-size:11px;">健康评分</div></div>';
                    var high = issues.filter(function(i){return i.severity==='high';}).length;
                    var medium = issues.filter(function(i){return i.severity==='medium';}).length;
                    var low = issues.filter(function(i){return i.severity==='low';}).length;
                    html += '<div style="display:flex;justify-content:space-around;margin-bottom:12px;text-align:center;">';
                    html += '<div><div style="font-size:18px;font-weight:bold;color:#ef4444;">' + high + '</div><div style="font-size:10px;color:#6b7280;">严重</div></div>';
                    html += '<div><div style="font-size:18px;font-weight:bold;color:#f59e0b;">' + medium + '</div><div style="font-size:10px;color:#6b7280;">中等</div></div>';
                    html += '<div><div style="font-size:18px;font-weight:bold;color:#10b981;">' + low + '</div><div style="font-size:10px;color:#6b7280;">轻微</div></div></div>';
                    html += '<div style="font-weight:bold;margin-bottom:8px;color:#374151;">检测到 ' + issues.length + ' 个问题：</div>';
                    issues.slice(0, 10).forEach(function(i) {
                        var color = i.severity === 'high' ? '#ef4444' : i.severity === 'medium' ? '#f59e0b' : '#10b981';
                        var label = i.severity === 'high' ? '严重' : i.severity === 'medium' ? '中等' : '轻微';
                        html += '<div style="padding:8px;border-bottom:1px solid #f3f4f6;color:#374151;font-size:12px;">';
                        html += '<span style="color:' + color + ';font-weight:bold;font-size:10px;background:' + color + '15;padding:2px 6px;border-radius:4px;">' + label + '</span> ';
                        html += (i.type || i.category || '未知问题') + '</div>';
                    });
                    if (issues.length > 10) {
                        html += '<div style="text-align:center;color:#9ca3af;font-size:11px;padding:8px;">还有 ' + (issues.length - 10) + ' 个问题...</div>';
                    }
                    html += '<a href="https://x.aixgn.cn/xrepair/" target="_blank" style="display:block;margin-top:12px;text-align:center;background:#3b82f6;color:#fff;padding:10px;border-radius:8px;text-decoration:none;font-weight:bold;">查看完整检测报告</a>';
                    html += '<div style="text-align:center;color:#9ca3af;font-size:10px;margin-top:8px;">🔒 仅发送URL检测，不收集个人信息</div>';
                    panel.innerHTML = html;
                } catch(e) {
                    panel.innerHTML = '<div style="text-align:center;padding:20px;color:#ef4444;">检测失败，请稍后重试</div>';
                }
            },
            onerror: function() {
                panel.innerHTML = '<div style="text-align:center;padding:20px;color:#ef4444;">网络错误，请检查网络连接</div>';
            },
            ontimeout: function() {
                panel.innerHTML = '<div style="text-align:center;padding:20px;color:#f59e0b;">检测超时，请稍后重试</div>';
            }
        });
    }
})();