// ==UserScript==
// @name         QQ空间自动点赞 (v6.1 界面修复版)
// @namespace    https://scriptcat.org/
// @version      6.1
// @description  自动点赞 + 自动滚动加载。修复GUI不显示的问题，支持好友主页穿透，内置黑白名单。
// @author       AI Assistant
// @match        https://user.qzone.qq.com/*
// @match        https://qzone.qq.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    // --- 默认配置 ---
    const DEFAULT_CONFIG = {
        mode: 'all',          // all | whitelist | blacklist
        names: '',            // 名单
        minDelay: 800,        // 最小点赞延迟
        maxDelay: 1500,       // 最大点赞延迟
        enable: true,         // 运行开关
        autoScroll: true,     // 是否自动滚动
        scrollStep: 600       // 滚动步长
    };

    // --- 样式定义 ---
    const STYLES = `
        #qz-helper-btn {
            position: fixed;
            bottom: 80px;  /* 稍微调高一点，防止被底部栏遮挡 */
            right: 20px;
            z-index: 2147483647; /* 最大层级，保证不被遮挡 */
            background: linear-gradient(135deg, #2196F3, #21CBF3);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s;
            font-family: "Microsoft YaHei", sans-serif;
        }
        #qz-helper-btn:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(33, 203, 243, 0.6); }

        #qz-settings-panel {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 420px;
            background: #fff;
            z-index: 2147483647;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.4);
            padding: 20px;
            font-family: "Microsoft YaHei", sans-serif;
            display: none;
            border: 1px solid #ccc;
        }
        
        .qz-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #eee; padding-bottom: 10px; margin-bottom: 15px; }
        .qz-header h3 { margin: 0; font-size: 18px; color: #333; }
        .qz-close { cursor: pointer; font-size: 24px; color: #999; padding: 0 5px; }
        
        .qz-form-item { margin-bottom: 15px; }
        .qz-form-item label { display: block; margin-bottom: 5px; font-weight: bold; font-size: 13px; color: #555; }
        .qz-tip { font-size: 12px; color: #888; font-weight: normal; margin-left: 5px; }
        
        .qz-input-box {
            width: 100%; box-sizing: border-box; padding: 10px; 
            border: 1px solid #ddd; border-radius: 6px; font-size: 13px; outline: none;
            background: #f9f9f9;
        }
        .qz-input-box:focus { border-color: #2196F3; background: #fff; }
        
        textarea.qz-input-box { height: 80px; resize: vertical; }
        .qz-flex-row { display: flex; gap: 10px; align-items: center; }
        
        .qz-footer { margin-top: 20px; text-align: right; }
        .qz-btn { padding: 10px 30px; border-radius: 6px; border: none; cursor: pointer; font-size: 14px; font-weight: bold; transition: background 0.2s;}
        .qz-btn-primary { background: #2196F3; color: white; }
        .qz-btn-primary:hover { background: #1976D2; }
        
        .qz-status-bar { margin-top: 15px; font-size: 12px; color: #666; background: #f0f7ff; padding: 10px; border-radius: 4px; display: flex; justify-content: space-between;}
    `;

    GM_addStyle(STYLES);

    // --- 变量 ---
    let config = GM_getValue('qz_config_v6', DEFAULT_CONFIG);
    let isRunning = false;

    // --- GUI 构建 ---
    function createGUI() {
        // 防止重复创建
        if (document.getElementById('qz-helper-btn')) return;

        const btn = document.createElement('button');
        btn.id = 'qz-helper-btn';
        btn.innerHTML = '📜 点赞设置';
        btn.onclick = togglePanel;
        document.body.appendChild(btn);

        const panel = document.createElement('div');
        panel.id = 'qz-settings-panel';
        panel.innerHTML = `
            <div class="qz-header">
                <h3>QQ空间自动滚动点赞 v6.1</h3>
                <span class="qz-close">&times;</span>
            </div>
            
            <div class="qz-form-item">
                <label>运行开关</label>
                <select id="qz-enable" class="qz-input-box">
                    <option value="true">✅ 开启脚本</option>
                    <option value="false">⏹️ 暂停脚本</option>
                </select>
            </div>

            <div class="qz-form-item">
                <label>自动加载 <span class="qz-tip">点完当前屏后自动向下滚动</span></label>
                <select id="qz-auto-scroll" class="qz-input-box">
                    <option value="true">📜 开启自动滚动</option>
                    <option value="false">⛔ 不滚动 (仅当前屏)</option>
                </select>
            </div>

            <div class="qz-form-item">
                <label>点赞模式</label>
                <select id="qz-mode" class="qz-input-box">
                    <option value="all">🌐 全部点赞</option>
                    <option value="whitelist">❤️ 白名单模式 (只赞名单)</option>
                    <option value="blacklist">🚫 黑名单模式 (不赞名单)</option>
                </select>
            </div>

            <div class="qz-form-item">
                <label>名单设置 (输入昵称，一行一个)</label>
                <textarea id="qz-names" class="qz-input-box" placeholder="例如：\n张三\n李四"></textarea>
            </div>

            <div class="qz-form-item">
                <label>点赞随机间隔 (毫秒)</label>
                <div class="qz-flex-row">
                    <input type="number" id="qz-min-delay" class="qz-input-box" placeholder="最小">
                    <span>-</span>
                    <input type="number" id="qz-max-delay" class="qz-input-box" placeholder="最大">
                </div>
            </div>

            <div class="qz-footer">
                <button class="qz-btn qz-btn-primary" id="qz-save">保存设置</button>
            </div>

            <div class="qz-status-bar">
                <span id="qz-status-text">状态: 就绪</span>
            </div>
        `;
        document.body.appendChild(panel);

        panel.querySelector('.qz-close').onclick = togglePanel;
        panel.querySelector('#qz-save').onclick = saveConfig;
    }

    function togglePanel() {
        const panel = document.getElementById('qz-settings-panel');
        if (!panel) {
            createGUI(); // 如果面板意外消失，重新创建
            return;
        }
        if (panel.style.display === 'block') {
            panel.style.display = 'none';
        } else {
            loadConfigToUI();
            panel.style.display = 'block';
        }
    }

    // 注册脚本猫/Tampermonkey 菜单命令 (备用入口)
    GM_registerMenuCommand("⚙️ 打开点赞设置", togglePanel);

    function loadConfigToUI() {
        config = GM_getValue('qz_config_v6', DEFAULT_CONFIG);
        document.getElementById('qz-enable').value = config.enable.toString();
        document.getElementById('qz-auto-scroll').value = (config.autoScroll !== false).toString();
        document.getElementById('qz-mode').value = config.mode;
        document.getElementById('qz-names').value = config.names;
        document.getElementById('qz-min-delay').value = config.minDelay;
        document.getElementById('qz-max-delay').value = config.maxDelay;
    }

    function saveConfig() {
        const newConfig = {
            enable: document.getElementById('qz-enable').value === 'true',
            autoScroll: document.getElementById('qz-auto-scroll').value === 'true',
            scrollStep: 600,
            mode: document.getElementById('qz-mode').value,
            names: document.getElementById('qz-names').value,
            minDelay: parseInt(document.getElementById('qz-min-delay').value) || 800,
            maxDelay: parseInt(document.getElementById('qz-max-delay').value) || 1500
        };
        
        GM_setValue('qz_config_v6', newConfig);
        config = newConfig;
        
        const btn = document.getElementById('qz-save');
        btn.innerText = "已保存!";
        setTimeout(() => { 
            btn.innerText = "保存设置"; 
            document.getElementById('qz-settings-panel').style.display = 'none';
        }, 800);
        
        updateStatus("配置更新，脚本运行中...");
    }

    function updateStatus(text) {
        const el = document.getElementById('qz-status-text');
        if (el) el.innerText = text;
    }

    // --- 核心逻辑 ---

    const sleep = (ms) => new Promise(r => setTimeout(r, ms));
    const randomSleep = (min, max) => sleep(Math.floor(Math.random() * (max - min + 1) + min));

    const getNameList = () => {
        if (!config.names) return [];
        return config.names.split(/[,，\n]/).map(s => s.trim()).filter(s => s);
    };

    const checkPermission = (author) => {
        const list = getNameList();
        if (config.mode === 'all') return true;
        if (config.mode === 'whitelist') return list.includes(author);
        if (config.mode === 'blacklist') return !list.includes(author);
        return false;
    };

    const getAllFeeds = () => {
        let feeds = [];
        try {
            const mainFeeds = document.querySelectorAll('.f-single');
            if(mainFeeds.length > 0) feeds = feeds.concat(Array.from(mainFeeds));
        } catch(e) {}
        try {
            const iframe = document.getElementById('app_canvas_frame');
            if (iframe && iframe.contentDocument) {
                const frameFeeds = iframe.contentDocument.querySelectorAll('.f-single');
                if(frameFeeds.length > 0) feeds = feeds.concat(Array.from(frameFeeds));
            }
        } catch (e) {}
        return feeds;
    };

    const performScroll = () => {
        const iframe = document.getElementById('app_canvas_frame');
        if (iframe && iframe.contentDocument) {
            iframe.contentDocument.documentElement.scrollTop += config.scrollStep;
            iframe.contentDocument.body.scrollTop += config.scrollStep;
        }
        window.scrollBy({ top: config.scrollStep, behavior: 'smooth' });
    };

    const mainTask = async () => {
        if (isRunning) return;
        config = GM_getValue('qz_config_v6', DEFAULT_CONFIG);
        if (!config.enable) return;

        isRunning = true;
        updateStatus("正在扫描...");

        try {
            // 自动点击新动态按钮
            const newFeedBtn = document.querySelector('a.feed-update');
            if (newFeedBtn && newFeedBtn.offsetParent !== null) {
                newFeedBtn.click();
                await sleep(2000);
            }

            const feeds = getAllFeeds();
            let actionCount = 0;

            for (const feed of feeds) {
                if (!config.enable) break;

                const likeBtn = feed.querySelector('.qz_like_btn_v3');
                if (!likeBtn) continue;
                if (likeBtn.classList.contains('item-on')) continue;
                
                let author = "";
                let nickEl = feed.querySelector('.f-nick') || feed.querySelector('.user-info .nickname');
                if (nickEl) author = nickEl.innerText.trim();
                else {
                     const ownerEl = document.querySelector('.head-detail .user-name') || 
                                     (document.getElementById('app_canvas_frame') && 
                                      document.getElementById('app_canvas_frame').contentDocument.querySelector('.user-name'));
                     if(ownerEl) author = ownerEl.innerText.trim();
                }

                if (!author) continue;

                if (checkPermission(author)) {
                    updateStatus(`点赞: ${author}`);
                    likeBtn.click();
                    actionCount++;
                    await randomSleep(config.minDelay, config.maxDelay);
                }
            }

            // 滚动逻辑
            if (config.enable && config.autoScroll) {
                if (actionCount === 0) {
                    updateStatus("当前屏完毕，向下滚动...");
                    performScroll();
                } else {
                    updateStatus(`已赞 ${actionCount} 条，继续...`);
                    await sleep(800);
                    performScroll();
                }
            } else {
                if (actionCount === 0) updateStatus("无新赞，等待中...");
            }

        } catch (e) {
            console.error("Auto Like Error:", e);
        } finally {
            isRunning = false;
        }
    };

    // --- 启动逻辑修复 ---
    function init() {
        createGUI();
        // 启动主任务循环
        setTimeout(mainTask, 2000);
        setInterval(mainTask, 4000);
        console.log("QQ空间助手 v6.1 已启动");
    }

    // 确保页面加载后执行
    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        init();
    } else {
        window.addEventListener('load', init);
    }

})();