// ==UserScript==
// @name         脚本查找大师 (三大脚本库合一显数版)
// @namespace    doveboy_js
// @version      6.6
// @description  聚合 GreasyFork、ScriptCat、GitHub Gist。支持自动链路检测：翻墙绿球默认GF，不翻墙橙球默认SC，无脚本黑球。
// @author       白鸽男孩
// @icon         https://scriptcat.org/favicon.ico?favicon.12.kxvew6xulu.ico
// @license      Zlib/Libpng License
// @match        *://*/*
// @exclude      https://greasyfork.org/*
// @exclude      https://sleazyfork.org/*
// @exclude      https://scriptcat.org/*
// @exclude      https://github.com/*
// @exclude      https://gist.github.com/*
// @grant        GM_xmlhttpRequest
// @connect      greasyfork.org
// @connect      scriptcat.org
// @connect      gist.github.com
// @run-at       document-end
// ==/UserScript==

(function() {
    'use strict';

    const host = window.location.hostname;
    const domain = host.split('.').slice(-2).join('.');

    // 状态管理
    let currentSource = 'gf'; 
    let gfData = [], scData = [], ghData = [];
    let gfLoaded = false, scLoaded = false, ghLoaded = false;
    let ghPage = 1, ghLoading = false, ghHasMore = true, ghTotal = 0;
    let isWallAccessible = false; // 是否能科学上网

    // --- UI 样式 ---
    const style = document.createElement('style');
    style.innerHTML = `
        #ag-ball {
            position: fixed; bottom: 150px; right: 20px;
            width: 48px; height: 48px;
            background: #666; color: #fff; /* 默认灰色 */
            border-radius: 50%; box-shadow: 0 4px 15px rgba(0,0,0,0.3);
            z-index: 2147483647; cursor: pointer;
            display: flex; align-items: center; justify-content: center;
            font-family: sans-serif; font-size: 13px; font-weight: bold; 
            border: 2px solid #fff; user-select: none; touch-action: none;
            transition: transform 0.1s, box-shadow 0.1s, background-color 0.3s;
        }
        #ag-ball:active { transform: scale(0.9); }
        #ag-panel {
            position: fixed; bottom: 210px; right: 20px;
            width: 420px; max-height: 550px;
            background: #fff; border-radius: 14px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            z-index: 2147483646; display: none;
            flex-direction: column; border: 1px solid #eaeaea; overflow: hidden;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        #ag-head { padding: 12px 16px; background: #f9f9f9; border-bottom: 1px solid #eee; display: flex; align-items: center; }
        #ag-switcher { display: flex; gap: 4px; flex: 1; overflow-x: auto; scrollbar-width: none; }
        #ag-switcher::-webkit-scrollbar { display: none; }
        .switch-btn { padding: 5px 8px; border-radius: 6px; font-size: 11px; cursor: pointer; border: 1px solid #ddd; background: #fff; font-weight: 500; color: #666; white-space: nowrap; }
        
        /* 激活状态颜色 */
        .switch-btn.active[data-type="gf"] { background: #007aff; color: #fff; border-color: #007aff; }
        .switch-btn.active[data-type="gh"] { background: #24292f; color: #fff; border-color: #24292f; }
        .switch-btn.active[data-type="sc"] { background: #1677ff; color: #fff; border-color: #1677ff; }

        #ag-body { overflow-y: auto; flex: 1; background: #fff; scrollbar-width: thin; }
        .ag-item { padding: 15px; border-bottom: 1px solid #f5f5f5; }
        .ag-name { text-decoration: none; font-size: 15px; font-weight: bold; display: block; margin-bottom: 5px; line-height: 1.3; }
        .gf-color { color: #007aff; }
        .gh-color { color: #0969da; }
        .sc-color { color: #1677ff; }
        
        .ag-desc { font-size: 13px; color: #444; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; word-break: break-all; }
        .ag-meta-row { display: flex; flex-wrap: wrap; align-items: center; row-gap: 4px; column-gap: 8px; font-size: 11px; color: #888; }
        .ag-dot { color: #eee; }
        .ag-score { color: #e09015; font-weight: bold; }
        .ag-installs { color: #28a745; font-weight: 600; }
        
        .ag-btn { margin-top: 10px; color: white; border: none; padding: 7px 16px; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: bold; text-decoration: none; display: inline-block; }
        .gf-btn { background: #34c759; }
        .gh-btn { background: #2da44e; }
        .sc-btn { background: #1677ff; }
        
        #gh-load-status { padding: 15px; text-align: center; color: #999; font-size: 12px; }
    `;
    document.head.appendChild(style);

    const ball = document.createElement('div');
    ball.id = 'ag-ball'; ball.innerHTML = '...';
    document.body.appendChild(ball);

    const panel = document.createElement('div');
    panel.id = 'ag-panel';
    panel.innerHTML = `
        <div id="ag-head">
            <div id="ag-switcher"></div>
            <div id="ag-close" style="cursor:pointer; font-size:20px; color:#999; margin-left:10px;">×</div>
        </div>
        <div id="ag-body">
            <div id="ag-list"></div>
            <div id="gh-load-status" style="display:none;">正在加载...</div>
        </div>
    `;
    document.body.appendChild(panel);

    const listContainer = panel.querySelector('#ag-list');
    const statusText = panel.querySelector('#gh-load-status');
    const bodyPanel = panel.querySelector('#ag-body');
    const switcher = panel.querySelector('#ag-switcher');

    // --- 数据获取 ---
    function fetchGreasyFork() {
        return new Promise((resolve) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: `https://greasyfork.org/zh-CN/scripts?q=${domain}&sort=updated&_t=${Date.now()}`,
                timeout: 3500, // 超时判定
                onload: (r) => {
                    const doc = new DOMParser().parseFromString(r.responseText, "text/html");
                    const nodes = doc.querySelectorAll('li[data-script-id]');
                    gfData = Array.from(nodes).map(node => ({
                        name: node.querySelector('.script-link')?.innerText.trim(),
                        url: 'https://greasyfork.org' + node.querySelector('.script-link')?.getAttribute('href'),
                        desc: node.querySelector('.script-description')?.innerText.split('Ver.')[0].trim() || "暂无描述",
                        updated: node.getAttribute('data-script-updated-date') || "未知",
                        created: node.getAttribute('data-script-created-date') || "未知",
                        score: node.getAttribute('data-script-rating-score') || "0.0",
                        daily: parseInt(node.getAttribute('data-script-daily-installs') || "0").toLocaleString(),
                        total: parseInt(node.getAttribute('data-script-total-installs') || "0").toLocaleString(),
                        installUrl: node.querySelector('.install-link')?.getAttribute('href') || `https://greasyfork.org/scripts/${node.getAttribute('data-script-id')}/code/script.user.js`
                    })).filter(i => i.name);
                    gfLoaded = true; resolve(true);
                },
                onerror: () => resolve(false),
                ontimeout: () => resolve(false)
            });
        });
    }

    function fetchScriptCat() {
        return new Promise((resolve) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url: `https://scriptcat.org/zh-CN/search?domain=${domain}&sort=createtime`,
                onload: (r) => {
                    const doc = new DOMParser().parseFromString(r.responseText, "text/html");
                    const cards = doc.querySelectorAll('.ant-card-body');
                    scData = Array.from(cards).map(card => {
                        const titleLink = card.querySelector('a[href*="/script-show-page/"]');
                        if (!titleLink) return null;
                        const scriptId = titleLink.getAttribute('href').match(/\d+/)[0];
                        const scriptName = (titleLink.getAttribute('title') || titleLink.innerText).trim();
                        return {
                            name: scriptName,
                            url: 'https://scriptcat.org' + titleLink.getAttribute('href'),
                            installUrl: `https://scriptcat.org/scripts/code/${scriptId}/${encodeURIComponent(scriptName)}.user.js`,
                            desc: card.querySelector('.line-clamp-2')?.getAttribute('title') || "暂无描述",
                            date: card.querySelector('.anticon-calendar')?.closest('.flex')?.innerText || "未知",
                            downloads: card.querySelector('.anticon-download')?.closest('.flex')?.innerText.trim() || "0"
                        };
                    }).filter(i => i);
                    scLoaded = true; resolve(true);
                }
            });
        });
    }

    function fetchGist(page = 1) {
        if (ghLoading || !ghHasMore) return;
        ghLoading = true;
        GM_xmlhttpRequest({
            method: 'GET',
            url: `https://gist.github.com/search?o=desc&p=${page}&q=%22%3D%3DUserScript%3D%3D%22+${domain}&s=updated`,
            onload: (res) => {
                const doc = new DOMParser().parseFromString(res.responseText, 'text/html');
                const h3 = Array.from(doc.querySelectorAll('h3')).find(el => el.innerText.includes('gist results'));
                if (h3) {
                    const match = h3.innerText.match(/(\d[\d,]*)/);
                    if (match) ghTotal = parseInt(match[1].replace(/,/g, '')) || 0;
                }
                const snippets = doc.querySelectorAll('.gist-snippet');
                if (snippets.length === 0) { ghHasMore = false; } else {
                    snippets.forEach(snippet => {
                        const fileStrong = snippet.querySelector('strong.css-truncate-target');
                        const fileName = fileStrong ? fileStrong.innerText.trim() : 'script.user.js';
                        const gistPath = fileStrong ? fileStrong.closest('a').getAttribute('href') : '';
                        let description = '暂无描述', installUrl = '';
                        snippet.querySelectorAll('.blob-code-inner').forEach(line => {
                            const text = line.innerText;
                            if (text.includes('@description')) description = text.split('@description')[1].trim();
                        });
                        if (!installUrl && gistPath) installUrl = `https://gist.github.com${gistPath}/raw/${encodeURIComponent(fileName)}`;
                        ghData.push({ name: fileName, url: `https://gist.github.com${gistPath}`, installUrl, desc: description,
                            stars: snippet.querySelector('a[href$="/stargazers"]')?.innerText.trim() || '0',
                            updated: snippet.querySelector('relative-time')?.innerText || '未知' });
                    });
                    ghHasMore = !!doc.querySelector('.next_page'); ghPage++;
                }
                ghLoaded = true; ghLoading = false; updateUI();
            }
        });
    }

    // --- 核心：界面更新与变色逻辑 ---
    function updateUI() {
        const total = gfData.length + scData.length + ghTotal;
        ball.innerHTML = (gfLoaded || scLoaded || ghLoaded) ? total : '...';

        // 颜色判定逻辑
        if (total === 0 && (gfLoaded && scLoaded)) {
            ball.style.backgroundColor = '#000000'; // 黑球：一个脚本都没有
        } else if (isWallAccessible) {
            ball.style.backgroundColor = '#28a745'; // 绿球：翻墙正常
        } else {
            ball.style.backgroundColor = '#ff8c00'; // 橙球：没翻墙（仅SC/本地）
        }

        // 标签切换按钮顺序
        const order = isWallAccessible ? ['gf', 'gh', 'sc'] : ['sc', 'gf', 'gh'];
        const labels = { gf: `GreasyFork (${gfData.length})`, gh: `GitHub (${ghTotal})`, sc: `ScriptCat (${scData.length})` };
        
        switcher.innerHTML = order.map(type => `
            <div class="switch-btn ${currentSource === type ? 'active' : ''}" data-type="${type}">
                ${labels[type]}
            </div>
        `).join('');

        switcher.querySelectorAll('.switch-btn').forEach(btn => {
            btn.onclick = (e) => {
                e.stopPropagation();
                currentSource = btn.getAttribute('data-type');
                render();
            };
        });
    }

    function render() {
        updateUI();
        const data = currentSource === 'gf' ? gfData : (currentSource === 'sc' ? scData : ghData);
        statusText.style.display = (currentSource === 'gh' && (ghHasMore || ghLoading)) ? 'block' : 'none';
        
        if (data.length === 0) {
            listContainer.innerHTML = `<div style="padding:50px;text-align:center;color:#999;font-size:13px;">该平台暂未发现脚本</div>`;
            return;
        }

        listContainer.innerHTML = data.map(s => {
            const theme = currentSource;
            let metaHtml = '';
            if (theme === 'gf') {
                metaHtml = `<span>🔄 更新: ${s.updated}</span><span class="ag-dot">|</span><span>📅 发布: ${s.created}</span><span class="ag-dot">|</span><span class="ag-score">⭐ ${s.score}</span><span class="ag-dot">|</span><span class="ag-installs">📥 今日: ${s.daily}</span>`;
            } else if (theme === 'sc') {
                metaHtml = `<span>📅 发布于: ${s.date}</span><span class="ag-dot">|</span><span class="ag-installs">📥 下载: ${s.downloads}</span>`;
            } else {
                metaHtml = `<span class="ag-star">★ ${s.stars}</span><span class="ag-dot">|</span><span>🕒 更新: ${s.updated}</span>`;
            }
            return `<div class="ag-item"><a class="ag-name ${theme}-color" href="${s.url}" target="_blank">${esc(s.name)}</a><span class="ag-desc">${esc(s.desc)}</span><div class="ag-meta-row">${metaHtml}</div><button class="ag-btn ${theme}-btn" onclick="window.open('${s.installUrl}')">立即安装</button></div>`;
        }).join('');
    }

    function esc(s) { return String(s || '').replace(/[&<>"']/g, m => ({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":"&#39;"}[m])); }

    // --- 交互逻辑 ---
    let isMoving = false, startX, startY, ballX, ballY;
    ball.onmousedown = (e) => {
        isMoving = false; startX = e.clientX; startY = e.clientY;
        ballX = ball.offsetLeft; ballY = ball.offsetTop;
        const onMouseMove = (ev) => {
            if (Math.sqrt(Math.pow(ev.clientX - startX, 2) + Math.pow(ev.clientY - startY, 2)) > 10) {
                isMoving = true; ball.style.left = (ballX + ev.clientX - startX) + 'px';
                ball.style.top = (ballY + ev.clientY - startY) + 'px';
                ball.style.bottom = 'auto'; ball.style.right = 'auto';
            }
        };
        const onMouseUp = () => {
            document.removeEventListener('mousemove', onMouseMove);
            document.removeEventListener('mouseup', onMouseUp);
            if (!isMoving) {
                const show = panel.style.display !== 'flex';
                panel.style.display = show ? 'flex' : 'none';
                if (show) {
                    const rect = ball.getBoundingClientRect();
                    panel.style.left = Math.min(window.innerWidth - 440, Math.max(20, rect.left - 340)) + 'px';
                    panel.style.top = Math.max(20, rect.top - 560) + 'px';
                    render();
                }
            }
        };
        document.addEventListener('mousemove', onMouseMove);
        document.addEventListener('mouseup', onMouseUp);
    };

    bodyPanel.onscroll = () => {
        if (currentSource === 'gh' && bodyPanel.scrollTop + bodyPanel.clientHeight >= bodyPanel.scrollHeight - 50) fetchGist(ghPage);
    };
    document.getElementById('ag-close').onclick = () => panel.style.display = 'none';

    // --- 初始化入口 ---
    async function init() {
        const gfOk = await fetchGreasyFork();
        isWallAccessible = gfOk; // 核心判定：GF能通就是绿球，不通就是橙球
        
        if (isWallAccessible) {
            currentSource = 'gf';
        } else {
            currentSource = 'sc';
        }
        
        // 并行加载其他库
        Promise.all([fetchScriptCat(), fetchGist(1)]).then(() => {
            updateUI();
        });
    }
    
    init();
})();