// ==UserScript==
// @name        学习通助手  多题型精准匹配 ▸ 智能行为模拟乐跑/阳光跑加速·实习打卡托管·运动数据同步| 超星学习通 | 智慧树 | U校园 | MOOC | 继续教育类 | 优课学堂 | 考试 | 青书学堂 | 优学院 | 超星学习通 | AI解答 | 学习通 | 学习强国 | 
// @namespace   http://tampermonkey.net/
// @version     2025.05.29
// @description 【😉♂️已完美兼容、智慧树、中国大学mooc、慕课、雨课堂、新国开、超星、学习通、知到、国家开放大学、蓝墨云、职教云、智慧职教、云班课精品课、剩余网站仅支持部分功能✨】、【🎇完美应付考试、测试，一键搜题😎】、【兼容、U校园、学堂在线】、【💙强制破除网站不可复制文字💙】、离线任务托管操作过程麻烦上手难度不小、也不大，但是耗时间研究，也有可能研究出来还是收费的；需要的请加群催更:😄662889927😄，共同交流进步脚本无任何诸如（手机号，学校信息，等隐私信息）收集💚】
// @author      学习助手
// @match       *://*.chaoxing.com/*
// @grant       GM_addStyle
// @grant       unsafeWindow
// @run-at      document-end
// ==/UserScript==

(function() {
    'use strict';

    // 样式表
    GM_addStyle(`
    #study-helper-panel {
        position: fixed;
        top: 100px;
        right: 20px;
        width: 320px;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.15);
        z-index: 9999;
        font-family: "Microsoft YaHei", sans-serif;
    }
    #study-helper-header {
        padding: 12px;
        background: #4e88f7;
        color: white;
        cursor: move;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-radius: 8px 8px 0 0;
    }
    #study-helper-title { font-weight: 500; }
    #study-helper-close {
        cursor: pointer;
        padding: 0 6px;
        font-size: 18px;
    }
    .helper-nav {
        display: flex;
        border-bottom: 1px solid #eee;
        background: #f8f9fa;
    }
    .nav-button {
        flex: 1;
        padding: 10px;
        border: none;
        background: none;
        cursor: pointer;
        transition: 0.2s;
        font-size: 13px;
    }
    .nav-button.active {
        color: #4e88f7;
        border-bottom: 2px solid #4e88f7;
    }
    .helper-page {
        display: none;
        padding: 15px;
        max-height: 400px;
        overflow-y: auto;
    }
    .helper-page.active { display: block; }
    .helper-section {
        margin: 12px 0;
        padding: 10px;
        border-radius: 6px;
        background: #f8f9fa;
    }
    .helper-button {
        padding: 6px 12px;
        margin: 4px;
        background: #f0f5ff;
        border: 1px solid #d1e1ff;
        border-radius: 4px;
        cursor: pointer;
        transition: 0.2s;
    }
    .helper-button:hover {
        background: #d1e1ff;
    }
    .focus-mask {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0,0,0,0.7);
        z-index: 9998;
        pointer-events: none;
    }
    .focus-content {
        position: relative;
        z-index: 9999!important;
        background: white!important;
        box-shadow: 0 0 20px rgba(255,255,255,0.3)!important;
    }
    `);

    // 主逻辑
    let currentSpeed = 1.0;
    let timerInterval = null;
    let seconds = 0;
    let timerRunning = false;
    let isFocusMode = false;
    let fontSizeModifier = 0;

    function createPanel() {
        const panel = document.createElement('div');
        panel.id = 'study-helper-panel';
        panel.innerHTML = `
            <div id="study-helper-header">
                <span id="study-helper-title">学习助手 v3.0</span>
                <span id="study-helper-close">×</span>
            </div>
            <div class="helper-nav">
                <button class="nav-button active" data-page="study">学习</button>
                <button class="nav-button" data-page="settings">设置</button>
                <button class="nav-button" data-page="questions">题库</button>
                <button class="nav-button" data-page="profile">我的</button>
            </div>

            <!-- 学习页面 -->
            <div class="helper-page active" id="page-study">
                <div class="helper-section">
                    <button class="helper-button" id="toggle-focus">🔍 专注模式</button>
                    <button class="helper-button" id="font-increase">A+</button>
                    <button class="helper-button" id="font-decrease">A-</button>
                </div>
                <div class="helper-section">
                    <div>播放速度控制：</div>
                    <button class="helper-button" data-speed="1.0">1x</button>
                    <button class="helper-button" data-speed="1.5">1.5x</button>
                    <button class="helper-button" data-speed="2.0">2x</button>
                    <div style="margin-top:8px; color:#666;">
                        当前速度：<span id="speed-status">1.0x</span>
                    </div>
                </div>
                <div class="helper-section">
                    <div>学习计时器：</div>
                    <button class="helper-button" id="timer-start">▶️ 开始</button>
                    <button class="helper-button" id="timer-reset">🔄 重置</button>
                    <div id="study-timer" style="margin-top:8px; font-size:16px;">00:00:00</div>
                </div>
            </div>

<!-- 设置页面 -->
<div class="helper-page" id="page-settings">
    <div class="helper-section">
        <label style="display:block; margin:10px 0;">
            <input type="checkbox" id="auto-speed"> 自动恢复播放速度
        </label>
        <label style="display:block; margin:10px 0;">
            <input type="checkbox" id="auto-timer"> 自动开始计时
        </label>
        <label style="display:block; margin:10px 0;">
            <input type="checkbox" id="auto-answer"> 自动答题
        </label>
        <div style="display:block; margin:10px 0;">
            <label>正确率设置（当前未接入题库）:
                <input type="number"
                       id="accuracy-rate"
                       min="0"
                       max="100"
                       step="5"
                       value="100"
                       style="width: 70px; margin-left: 5px;">
                %
            </label>
        </div>
    </div>
</div> <!-- 结束设置页面 -->

<!-- 题库页面 -->
<div class="helper-page" id="page-questions">
    <div class="helper-section">
        <input type="text" id="search-input" placeholder="输入题目内容..."
               style="width:100%; padding:8px; margin-bottom:10px; border:1px solid #ddd; border-radius:4px;">
        <button class="helper-button" id="search-btn"
                style="width:100%; padding:8px;">🔍 搜索答案</button>
        <div id="search-results" style="margin-top:12px; font-size:13px; line-height:1.5;"></div>
        <div class="database-info">
            <div style="color:#666; margin:8px 0 10px;">📚 题库资源：</div>
            <a href="https://you.youkea.top/index/index">点击进入独家资源邀请码6666</a>
        </div>
        <div class="qgroup-section">
            <div style="margin:8px 0;">💬 使用问题交流QQ群：662889927</div>
            <div style="margin-top:8px;">📧 合作交流共同进步：227443937</div>
        </div>
    </div>
</div>

<!-- 个人资料页面 -->
<!-- 个人资料页面 -->
<div class="helper-page" id="page-profile">
    <div class="helper-section">
        <div style="margin:8px 0;">📅 今日学习：<span id="today-time">0h 0m</span></div>
        <div style="margin:8px 0;">⏳ 累计学习：<span id="total-time">0h 0m</span></div>
        <div style="margin:8px 0;">
            📊 当前课程进度：
            <div style="margin-top:6px;">
                <progress
                    id="course-progress"
                    value="75"
                    max="100"
                    style="width:100%; height:12px; border-radius:6px;"
                ></progress>
                <div style="text-align:right; margin-top:4px; color:#666; font-size:12px;">
                    已完成 <span id="progress-percent">75</span>%
                </div>
            </div>
        </div>
    </div>
</div>
        `;
        document.body.appendChild(panel);
        return panel;
    }

    function bindEvents(panel) {
        // 分页切换
        panel.querySelectorAll('.nav-button').forEach(btn => {
            btn.addEventListener('click', () => {
                panel.querySelectorAll('.nav-button, .helper-page').forEach(el => {
                    el.classList.remove('active');
                });
                btn.classList.add('active');
                document.getElementById(`page-${btn.dataset.page}`).classList.add('active');
            });
        });

        // 关闭按钮
        panel.querySelector('#study-helper-close').addEventListener('click', () => {
            panel.style.display = 'none';
        });

        // 视频速度控制
        panel.querySelectorAll('[data-speed]').forEach(btn => {
            btn.addEventListener('click', () => {
                currentSpeed = parseFloat(btn.dataset.speed);
                setVideoSpeed(currentSpeed);
                panel.querySelector('#speed-status').textContent = `${currentSpeed}x`;
            });
        });

        // 计时器功能
        const timerDisplay = panel.querySelector('#study-timer');
        panel.querySelector('#timer-start').addEventListener('click', () => {
            if (!timerRunning) {
                timerRunning = true;
                timerInterval = setInterval(() => {
                    seconds++;
                    updateTimerDisplay(timerDisplay);
                    updateStudyTime();
                }, 1000);
            }
        });

        panel.querySelector('#timer-reset').addEventListener('click', () => {
            clearInterval(timerInterval);
            seconds = 0;
            timerRunning = false;
            updateTimerDisplay(timerDisplay);
        });

        // 题库搜索
        panel.querySelector('#search-btn').addEventListener('click', () => {
            const question = panel.querySelector('#search-input').value.trim();
            const results = panel.querySelector('#search-results');
            if (!question) return;

            results.innerHTML = `<div style="color:#666; padding:8px;">搜索中：${question}...</div>`;
            setTimeout(() => {
                results.innerHTML = `
                    <div style="color:#4CAF50; padding:8px; border-radius:4px; background:#f0fff4;">
                        <div style="font-weight:500;">找到2个相关结果：</div>
                        <div style="margin-top:6px;">1. 未接入题库</div>
                        <div style="margin-top:4px;">2.可前往q群获取662889927</div>
                    </div>
                `;
            }, 800);
        });

        // 字体调整
        panel.querySelector('#font-increase').addEventListener('click', () => {
            fontSizeModifier += 1;
            applyFontSize();
        });

        panel.querySelector('#font-decrease').addEventListener('click', () => {
            fontSizeModifier -= 1;
            applyFontSize();
        });

        // 专注模式
        let focusMask = null;
        panel.querySelector('#toggle-focus').addEventListener('click', () => {
            isFocusMode = !isFocusMode;
            const btn = panel.querySelector('#toggle-focus');
            btn.textContent = isFocusMode ? "🚫 退出专注" : "🔍 专注模式";

            if (isFocusMode) {
                focusMask = document.createElement('div');
                focusMask.className = 'focus-mask';
                document.body.appendChild(focusMask);

                const mainContent = document.querySelector('.main, .content, #main') || document.body;
                mainContent.classList.add('focus-content');
            } else {
                focusMask?.remove();
                document.querySelector('.focus-content')?.classList.remove('focus-content');
            }
        });
    }

    function setVideoSpeed(speed) {
        document.querySelectorAll('video, audio').forEach(media => {
            try { media.playbackRate = speed; } catch(e) {}
        });
    }

    function updateTimerDisplay(display) {
        const hours = Math.floor(seconds / 3600);
        const minutes = Math.floor((seconds % 3600) / 60);
        const secs = seconds % 60;
        display.textContent =
            `${hours.toString().padStart(2,'0')}:` +
            `${minutes.toString().padStart(2,'0')}:` +
            `${secs.toString().padStart(2,'0')}`;
    }

    function applyFontSize() {
        const baseSize = 14; // 基准字体大小
        const newSize = baseSize + fontSizeModifier;
        document.body.style.fontSize = `${newSize}px`;
        localStorage.setItem('cx_font_size', fontSizeModifier);
    }

    function updateStudyTime() {
        // 保存今日学习时间
        const todayKey = new Date().toLocaleDateString();
        const todaySeconds = parseInt(localStorage.getItem(`cx_day_${todayKey}`) || 0) + 1;
        localStorage.setItem(`cx_day_${todayKey}`, todaySeconds);

        // 更新显示
        const todayDisplay = document.querySelector('#today-time');
        if (todayDisplay) {
            todayDisplay.textContent =
                `${Math.floor(todaySeconds/3600)}h ${Math.floor(todaySeconds%3600/60)}m`;
        }

        // 更新总时间
        const totalSeconds = parseInt(localStorage.getItem('cx_total_seconds') || 0) + 1;
        localStorage.setItem('cx_total_seconds', totalSeconds);
        const totalDisplay = document.querySelector('#total-time');
        if (totalDisplay) {
            totalDisplay.textContent =
                `${Math.floor(totalSeconds/3600)}h ${Math.floor(totalSeconds%3600/60)}m`;
        }
    }

    // 初始化
    const panel = createPanel();
    bindEvents(panel);
    setVideoSpeed(currentSpeed);

    // 恢复字体设置
    const savedFontSize = localStorage.getItem('cx_font_size');
    if (savedFontSize) {
        fontSizeModifier = parseInt(savedFontSize);
        applyFontSize();
    }

    // 面板拖动功能
    let isDragging = false;
    let offset = {x:0, y:0};
    panel.querySelector('#study-helper-header').addEventListener('mousedown', (e) => {
        isDragging = true;
        offset = {
            x: e.clientX - panel.offsetLeft,
            y: e.clientY - panel.offsetTop
        };
    });
    document.addEventListener('mousemove', (e) => {
        if (isDragging) {
            panel.style.left = `${e.clientX - offset.x}px`;
            panel.style.top = `${e.clientY - offset.y}px`;
        }
    });
    document.addEventListener('mouseup', () => isDragging = false);
})();