// ==UserScript==
// @name         Discuz! ·快捷回复助手
// @namespace    http://tampermonkey.net/
// @version      3.1
// @description  为Discuz!论坛添加快捷回复工具栏，支持常用短语、随机短语、分类快捷语，界面美观,适配吾爱破解等等
// @author       Enhanced
// @match        *://*.52pojie.cn/*
// @match        *://*.chinaz.com/*
// @match        *://*.ithome.com/*
// @match        *://*.nga.cn/*
// @match        *://*.nga.178.com/*
// @match        *://*.tieba.com/*
// @match        *://*.kafan.cn/*
// @match        *://*.bilibili.com/*
// @match        *://*.hackbase.com/*
// @match        *://*.dospy.com/*
// @match        *://*.xda-developers.com/*
// @match        *://*.android.com/*
// @match        *://*.miui.com/*
// @match        *://*.flyme.cn/*
// @match        *://*.zol.com.cn/*
// @match        *://*.pcbeta.com/*
// @match        *://*.it168.com/*
// @match        *://*.pconline.com.cn/*
// @match        *://*.cnki.net/*
// @match        *://*.cnblogs.com/*
// @match        *://*.csdn.net/*
// @match        *://*.oschina.net/*
// @match        *://*.gitbooks.io/*
// @match        *://*.tianya.cn/*
// @match        *://*.mop.com/*
// @match        *://*.douban.com/*
// @match        *://*.zhihu.com/*
// @match        *://*.hupu.com/*
// @match        *://*.dongqiudi.com/*
// @match        *://*.qiumiwu.com/*
// @match        *://*.a9vg.com/*
// @match        *://*.tgbus.com/*
// @match        *://*.3dmgame.com/*
// @match        *://*.gamersky.com/*
// @match        *://*.ali213.net/*
// @match        *://*.游民星空.com/*
// @match        *://*.uuu9.com/*
// @match        *://*.52pk.com/*
// @match        *://*.duowan.com/*
// @match        *://*.178.com/*
// @match        *://*.多玩.com/*
// @match        *://*.766.com/*
// @match        *://*.uuu9.com/*
// @match        *://*.52miji.com/*
// @match        *://*.52破解.com/*
// @match        *://*.52pojie.net/*
// @match        *://*.52pojie.org/*
// @match        *://*.52破解.org/*
// @match        *://*.52破解.net/*
// @match        *://*/bbs/*
// @match        *://*/forum/*
// @match        *://*/discuz/*
// @match        *://*/community/*
// @match        *://*/thread-*
// @match        *://*/viewthread.php*
// @match        *://*/forum.php*
// @match        *://*/post.php*
// @match        *://*/reply.php*
// @match        *://*/newreply.php*
// @match        *://*/newthread.php*
// @match        *://*/editpost.php*
// @icon         https://www.52pojie.cn/favicon.ico
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // ========== 配置区 ==========
    const COMMON_PHRASES = [
        '感谢分享',
        '谢谢楼主',
        '支持一下',
        '看看隐藏',
        '学习学习',
        '顶一下',
        '收藏了',
        '好东西',
        '热心回复',
        '我很赞同'
    ];

    // 分类短语（带分类标签）
    const PHRASES_WITH_CATEGORY = [
        // 感谢类
        { text: '正需要，谢谢分享', category: '感谢', emoji: '🙏' },
        { text: '感谢发布原创内容', category: '感谢', emoji: '😊' },
        { text: '谢谢大佬分享', category: '感谢', emoji: '👍' },
        { text: '感谢热心解答', category: '感谢', emoji: '❤️' },
        { text: '感谢分享资源', category: '感谢', emoji: '🎁' },
        
        // 支持类
        { text: '顶一个，让更多人看到', category: '支持', emoji: '💪' },
        { text: '已收藏，备用', category: '支持', emoji: '⭐' },
        { text: '先mark一下', category: '支持', emoji: '📌' },
        { text: '前排支持', category: '支持', emoji: '🆙' },
        { text: '支持原创', category: '支持', emoji: '✨' },
        
        // 学习类
        { text: '学习了，很有帮助', category: '学习', emoji: '📚' },
        { text: '硬核内容，学习了', category: '学习', emoji: '🧐' },
        { text: '这个帖子干货满满', category: '学习', emoji: '📖' },
        { text: '涨知识了', category: '学习', emoji: '🎓' },
        { text: '这个方法不错', category: '学习', emoji: '💡' },
        
        // 通用类
        { text: '看看隐藏内容', category: '通用', emoji: '👀' },
        { text: '先看看怎么样', category: '通用', emoji: '🔍' },
        { text: '留个脚印', category: '通用', emoji: '💬' },
        { text: '看起来不错', category: '通用', emoji: '🉑' },
        { text: '每日一看', category: '通用', emoji: '⏰' },
        
        // 赞扬类
        { text: '楼主好人，一生平安', category: '赞扬', emoji: '👏' },
        { text: '这个真的很实用', category: '赞扬', emoji: '🌟' },
        { text: '说到点子上了', category: '赞扬', emoji: '🎯' },
        { text: '非常赞同', category: '赞扬', emoji: '💯' },
        { text: '优质内容', category: '赞扬', emoji: '🏆' },
        
        // 幽默类
        { text: '我来了，你在哪', category: '幽默', emoji: '😝' },
        { text: '让我研究研究', category: '幽默', emoji: '🤔' },
        { text: '好耶，感谢分享', category: '幽默', emoji: '🥳' },
        { text: '收藏从未停止', category: '幽默', emoji: '😎' },
        { text: '先顶后看', category: '幽默', emoji: '🤪' }
    ];

    // 纯文本短语数组（用于随机）
    const ALL_PHRASES = [
        ...COMMON_PHRASES,
        ...PHRASES_WITH_CATEGORY.map(p => p.text)
    ];
    // ==============================================

    /**
     * 向 textarea 插入文本
     */
    function insertText(textarea, text) {
        if (!textarea) return;
        textarea.focus();

        if (typeof textarea.selectionStart === 'number') {
            const start = textarea.selectionStart;
            const end = textarea.selectionEnd;
            const scrollTop = textarea.scrollTop;
            const newValue = textarea.value.substring(0, start) + text + textarea.value.substring(end);
            textarea.value = newValue;

            const newPos = start + text.length;
            textarea.selectionStart = newPos;
            textarea.selectionEnd = newPos;
            textarea.scrollTop = scrollTop;
        } else {
            textarea.value += text;
        }

        const event = new Event('input', { bubbles: true });
        textarea.dispatchEvent(event);
    }

    /**
     * 获取随机短语（50%概率带表情）
     */
    function getRandomPhrase() {
        // 随机决定是否带表情
        const withEmoji = Math.random() > 0.5;
        
        if (withEmoji) {
            // 从分类短语中随机选一个（带表情）
            const randomItem = PHRASES_WITH_CATEGORY[Math.floor(Math.random() * PHRASES_WITH_CATEGORY.length)];
            return `${randomItem.emoji} ${randomItem.text}`;
        } else {
            // 从所有短语中随机选一个（不带表情）
            return ALL_PHRASES[Math.floor(Math.random() * ALL_PHRASES.length)];
        }
    }

    /**
     * 创建分类下拉菜单
     */
    function createCategorySelect(textarea) {
        const select = document.createElement('select');
        select.className = 'category-select';
        
        // 默认选项
        const defaultOption = document.createElement('option');
        defaultOption.value = '';
        defaultOption.textContent = '📋 按分类选择...';
        select.appendChild(defaultOption);

        // 按分类分组
        const categories = {};
        PHRASES_WITH_CATEGORY.forEach(item => {
            if (!categories[item.category]) {
                categories[item.category] = [];
            }
            categories[item.category].push(item);
        });

        // 为每个分类创建选项组
        Object.keys(categories).forEach(category => {
            const optgroup = document.createElement('optgroup');
            optgroup.label = getCategoryEmoji(category) + ' ' + category;
            
            categories[category].forEach(item => {
                const option = document.createElement('option');
                option.value = `${item.emoji} ${item.text}`;
                option.textContent = `${item.emoji} ${item.text}`;
                optgroup.appendChild(option);
            });
            
            select.appendChild(optgroup);
        });

        select.addEventListener('change', function() {
            const text = this.value;
            if (text) {
                insertText(textarea, text);
                this.selectedIndex = 0;
            }
        });

        return select;
    }

    /**
     * 获取分类表情
     */
    function getCategoryEmoji(category) {
        const emojiMap = {
            '感谢': '🙏',
            '支持': '💪',
            '学习': '📚',
            '通用': '📌',
            '赞扬': '👏',
            '幽默': '😄'
        };
        return emojiMap[category] || '📋';
    }

    /**
     * 为指定的 textarea 创建快捷工具栏
     */
    function createToolbar(textarea) {
        if (textarea.dataset.qrInitialized) return null;
        textarea.dataset.qrInitialized = 'true';

        const toolbar = document.createElement('div');
        toolbar.className = 'quick-reply-toolbar';

        // 左侧：常用短语按钮
        const leftSection = document.createElement('div');
        leftSection.className = 'toolbar-section left-section';
        
        COMMON_PHRASES.forEach(phrase => {
            const btn = document.createElement('button');
            btn.type = 'button';
            btn.className = 'quick-btn';
            btn.textContent = phrase;
            btn.addEventListener('click', (e) => {
                e.preventDefault();
                insertText(textarea, phrase);
            });
            leftSection.appendChild(btn);
        });
        
        toolbar.appendChild(leftSection);

        // 中间：随机按钮
        const centerSection = document.createElement('div');
        centerSection.className = 'toolbar-section center-section';
        
        const randomBtn = document.createElement('button');
        randomBtn.type = 'button';
        randomBtn.className = 'random-btn';
        randomBtn.innerHTML = '🎲 随机一句';
        randomBtn.addEventListener('click', (e) => {
            e.preventDefault();
            const randomPhrase = getRandomPhrase();
            // 清空textarea
            textarea.value = '';
            // 插入随机短语
            insertText(textarea, randomPhrase);
        });
        centerSection.appendChild(randomBtn);
        
        toolbar.appendChild(centerSection);

        // 右侧：分类下拉菜单
        const rightSection = document.createElement('div');
        rightSection.className = 'toolbar-section right-section';
        
        const categorySelect = createCategorySelect(textarea);
        rightSection.appendChild(categorySelect);
        
        toolbar.appendChild(rightSection);

        // 将工具栏插入到 textarea 之前
        textarea.parentNode.insertBefore(toolbar, textarea);
        return toolbar;
    }

    /**
     * 初始化页面中所有符合条件的 textarea
     */
    function initQuickReplyBars() {
        const textareas = document.querySelectorAll(
            'textarea[name="message"], ' +
            'textarea[id="fastpostmessage"], ' +
            'textarea[id="message"]'
        );

        textareas.forEach(textarea => {
            if (textarea.disabled || textarea.readOnly) return;
            createToolbar(textarea);
        });
    }

    // ----- 样式定义（优化后的界面）-----
    const style = document.createElement('style');
    style.textContent = `
        .quick-reply-toolbar {
            background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
            border: 1px solid #ced4da;
            border-radius: 8px;
            padding: 10px 12px;
            margin: 8px 0 12px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            width: 100%;
            box-sizing: border-box;
            z-index: 999;
        }

        .toolbar-section {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }

        .left-section {
            flex: 2;
            min-width: 300px;
        }

        .center-section {
            flex: 0 0 auto;
        }

        .right-section {
            flex: 1;
            min-width: 200px;
            justify-content: flex-end;
        }

        .quick-btn {
            background: white;
            border: 1px solid #adb5bd;
            border-radius: 20px;
            padding: 5px 12px;
            cursor: pointer;
            color: #495057;
            font-size: 13px;
            line-height: 1.4;
            transition: all 0.2s ease;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
            white-space: nowrap;
        }

        .quick-btn:hover {
            background: #007bff;
            border-color: #007bff;
            color: white;
            transform: translateY(-1px);
            box-shadow: 0 4px 6px rgba(0,123,255,0.2);
        }

        .quick-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .random-btn {
            background: linear-gradient(135deg, #6f42c1, #007bff);
            border: none;
            border-radius: 25px;
            padding: 7px 20px;
            cursor: pointer;
            color: white;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(111,66,193,0.3);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .random-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(111,66,193,0.4);
            background: linear-gradient(135deg, #5a32a3, #0056b3);
        }

        .random-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 5px rgba(111,66,193,0.3);
        }

        .category-select {
            padding: 7px 12px;
            border-radius: 25px;
            border: 1px solid #adb5bd;
            background: white;
            font-size: 13px;
            cursor: pointer;
            min-width: 180px;
            max-width: 100%;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            transition: all 0.2s ease;
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 10px center;
            background-size: 15px;
        }

        .category-select:hover {
            border-color: #007bff;
            box-shadow: 0 2px 5px rgba(0,123,255,0.1);
        }

        .category-select optgroup {
            font-weight: 600;
            color: #495057;
            background: #f8f9fa;
        }

        .category-select option {
            padding: 5px 10px;
            font-weight: normal;
        }

        /* 适应移动端 */
        @media (max-width: 768px) {
            .quick-reply-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            
            .toolbar-section {
                width: 100%;
                justify-content: center;
            }
            
            .left-section {
                min-width: auto;
            }
            
            .right-section {
                min-width: auto;
            }
            
            .quick-btn {
                font-size: 12px;
                padding: 4px 10px;
            }
            
            .category-select {
                width: 100%;
            }
        }

        /* 暗色主题适配（如果论坛有暗色模式） */
        @media (prefers-color-scheme: dark) {
            .quick-reply-toolbar {
                background: linear-gradient(to bottom, #2d3238, #1e2227);
                border-color: #40474f;
            }
            
            .quick-btn {
                background: #3a4048;
                border-color: #4f5a65;
                color: #e9ecef;
            }
            
            .quick-btn:hover {
                background: #007bff;
                border-color: #007bff;
                color: white;
            }
            
            .category-select {
                background-color: #3a4048;
                border-color: #4f5a65;
                color: #e9ecef;
            }
        }
    `;
    document.head.appendChild(style);

    // ----- 监听动态添加的回复框 -----
    const observer = new MutationObserver(() => {
        initQuickReplyBars();
    });
    observer.observe(document.body, { childList: true, subtree: true });

    // ----- 初始执行 -----
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', initQuickReplyBars);
    } else {
        initQuickReplyBars();
    }
})();