// ==UserScript==
// @name         QQ空间自动点赞 (全能GUI版)
// @namespace    https://scriptcat.org/
// @version      3.0
// @description  支持个人中心 + 好友主页自动点赞。内置GUI设置界面，支持白名单/黑名单配置。
// @author       AI Assistant
// @match        https://user.qzone.qq.com/*
// @match        https://qzone.qq.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    // --- 默认配置 ---
    const DEFAULT_CONFIG = {
        mode: 'all', // all | whitelist | blacklist
        names: '',   // 逗号或换行分隔
        minDelay: 800,
        maxDelay: 2000,
        enable: true // 总开关
    };

    // --- 样式定义 ---
    const STYLES = `
        #qz-helper-btn {
            position: fixed;
            bottom: 50px;
            right: 20px;
            z-index: 9999;
            background: linear-gradient(135deg, #FF9800, #F44336);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(244, 67, 54, 0.4);
            cursor: pointer;
            transition: transform 0.2s;
        }
        #qz-helper-btn:hover { transform: scale(1.05); }

        #qz-settings-panel {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            background: #fff;
            z-index: 10000;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            padding: 20px;
            font-family: "Microsoft YaHei", sans-serif;
            display: none;
            border: 1px solid #eee;
        }
        
        .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; line-height: 1; }
        
        .qz-form-item { margin-bottom: 15px; }
        .qz-form-item label { display: block; margin-bottom: 5px; font-weight: bold; font-size: 13px; color: #555; }
        .qz-form-item select, .qz-form-item input, .qz-form-item textarea { 
            width: 100%; box-sizing: border-box; padding: 8px; border: 1px solid #ddd; border-radius: 6px; font-size: 13px; outline: none;
        }
        .qz-form-item select:focus, .qz-form-item input:focus, .qz-form-item textarea:focus { border-color: #FF9800; }
        .qz-form-item textarea { height: 80px; resize: vertical; }
        
        .qz-delay-group { display: flex; gap: 10px; align-items: center; }
        
        .qz-footer { margin-top: 20px; text-align: right; }
        .qz-btn { padding: 8px 25px; border-radius: 6px; border: none; cursor: pointer; font-size: 13px; font-weight: bold; transition: background 0.2s;}
        .qz-btn-primary { background: #FF9800; color: white; }
        .qz-btn-primary:hover { background: #F57C00; }
        
        .qz-status-bar { margin-top: 15px; font-size: 12px; color: #666; border-top: 1px solid #eee; padding-top: 10px; background: #f9f9f9; padding: 10px; border-radius: 4px;}
    `;

    GM_addStyle(STYLES);

    // --- 状态管理 ---
    let config = GM_getValue('qz_config', DEFAULT_CONFIG);
    let isRunning = false;

    // --- GUI 构建函数 (保持不变，略微美化) ---
    function createGUI() {
        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空间点赞助手 v3.0</h3>
                <span class="qz-close">&times;</span>
            </div>
            
            <div class="qz-form-item">
                <label>运行状态</label>
                <select id="qz-enable">
                    <option value="true">✅ 开启脚本</option>
                    <option value="false">⏹️ 暂停脚本</option>
                </select>
            </div>

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

            <div class="qz-form-item">
                <label>好友名单 (昵称，支持多人，逗号或换行分隔)</label>
                <textarea id="qz-names" placeholder="例如：\n张三\n李四\n王五"></textarea>
            </div>

            <div class="qz-form-item">
                <label>点击随机延迟 (毫秒)</label>
                <div class="qz-delay-group">
                    <input type="number" id="qz-min-delay" placeholder="最小">
                    <span>至</span>
                    <input type="number" id="qz-max-delay" placeholder="最大">
                </div>
            </div>

            <div class="qz-footer">
                <button class="qz-btn qz-btn-primary" id="qz-save">保存并应用</button>
            </div>

            <div class="qz-status-bar" id="qz-status">
                状态: 准备就绪
            </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.style.display === 'block') {
            panel.style.display = 'none';
        } else {
            loadConfigToUI();
            panel.style.display = 'block';
        }
    }

    function loadConfigToUI() {
        config = GM_getValue('qz_config', DEFAULT_CONFIG);
        document.getElementById('qz-enable').value = config.enable.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',
            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) || 2000
        };
        GM_setValue('qz_config', newConfig);
        config = newConfig;
        
        const btn = document.getElementById('qz-save');
        btn.innerText = "已保存!";
        setTimeout(() => { 
            btn.innerText = "保存并应用"; 
            document.getElementById('qz-settings-panel').style.display = 'none';
        }, 800);
        updateStatus("配置已更新，继续扫描...");
    }

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

    // --- 核心逻辑增强版 ---

    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;
    };

    /**
     * 获取页面上所有的动态元素
     * 关键修改：同时查找主文档和 app_canvas_frame 框架内的元素
     */
    const getAllFeeds = () => {
        let feeds = [];
        
        // 1. 扫描主文档
        try {
            const mainFeeds = document.querySelectorAll('.f-single');
            if(mainFeeds.length > 0) feeds = feeds.concat(Array.from(mainFeeds));
        } catch(e) {}

        // 2. 扫描 Iframe (针对个人主页)
        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) {
            // 可能会遇到跨域保护，但在QQ空间同域下通常没事
            console.warn("访问Iframe受限:", e);
        }

        return feeds;
    };

    const mainTask = async () => {
        if (isRunning) return;
        
        config = GM_getValue('qz_config', DEFAULT_CONFIG);
        if (!config.enable) {
            updateStatus("脚本暂停中");
            return;
        }

        isRunning = true;
        updateStatus("正在扫描动态 (含好友主页)...");

        try {
            const feeds = getAllFeeds();
            let hasAction = false;

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

                // 1. 查找点赞按钮 (v3通用版)
                const likeBtn = feed.querySelector('.qz_like_btn_v3');
                if (!likeBtn) continue;

                // 2. 检查是否已赞
                // item-on 类代表已赞，或者 title/aria-label 包含取消
                if (likeBtn.classList.contains('item-on')) continue;
                
                // 3. 获取作者昵称
                // 个人主页的结构略有不同，有时候昵称在 .user-info 里
                let nickEl = feed.querySelector('.f-nick') || feed.querySelector('.user-info .nickname');
                
                // 如果在个人主页找不到昵称元素，可能需要从页面标题或者顶部获取(视作该页面的主人)
                // 这里做个兜底：如果找不到昵称，但在个人主页Iframe里，通常意味着是号主发的
                let author = "";
                if (nickEl) {
                    author = nickEl.innerText.trim();
                } else {
                     // 尝试获取动态所有者备选方案
                     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; // 如果实在找不到名字，为了安全起见跳过

                // 4. 权限校验
                if (checkPermission(author)) {
                    updateStatus(`正在点赞: ${author}`);
                    
                    likeBtn.click();
                    hasAction = true;
                    
                    await randomSleep(config.minDelay, config.maxDelay);
                }
            }
            
            if (!hasAction) {
                // 判断当前是在哪个环境
                const count = feeds.length;
                updateStatus(`扫描了 ${count} 条动态，暂无新内容。`);
            }

        } catch (e) {
            console.error("点赞出错:", e);
            updateStatus("发生错误，重试中...");
        } finally {
            isRunning = false;
        }
    };

    // --- 启动 ---
    window.addEventListener('load', () => {
        createGUI();
        // 首次延迟启动
        setTimeout(mainTask, 3000);
        // 循环扫描 (4秒一次)
        setInterval(mainTask, 4000);
        
        console.log("QQ空间全能点赞助手 v3.0 已加载");
    });

})();