// ==UserScript==
// @name         学习通刷课助手-自动静音,防止鼠标移出暂停,章节结束自动跳转下一节
// @namespace    http://tampermonkey.net/
// @version      1.0.6
// @description  学习通课程自动挂机，当前脚本支持课程视频播放完成，自动跳转下一小节，章节测试自动跳过，后台播放防止视频暂停。
// @author       Sweek
// @match        *://*.chaoxing.com/*
// @license      GPLv3
// @icon         https://www.google.com/s2/favicons?sz=64&domain=csdn.net
// @grant        GM_addStyle
// @grant        GM_setValue
// @grant        GM_getValue
// @require      https://code.jquery.com/jquery-2.1.4.min.js
// ==/UserScript==

GM_setValue("playbackRate", GM_getValue("playbackRate") || 1);
GM_setValue("volume", GM_getValue("volume") || 0);


// 定义全局变量
let currentTime = null // 当前视频当前播放节点
let duration = null // 当前视频总长度
let progress = null // 当前视频播放进度
let playbackRate = GM_getValue("playbackRate") // 当前视频播放倍速
let volume = GM_getValue("volume") // 当前视频音量

// 课程章节相关数据
let courseName = null // 当前课程名称
let courseId = null // 当前课程id
let chapterInfo = [] // 当前课程所有章节数据
let currentChapterId = null // 当前所在章节id
let currentChapterName = null // 当前所在章节名称
let allChapterName = []  // 所有章节名称
let currentChapterTabArr = [] // 当前页面所有的分栏
let currentChapterTabName = '' // 当前页面激活的分栏名称
let videoProgressId = '' // 定时监听页面内容监听事件

// 获取当前页面的 URL
url = ''
chapterId = ''


let arrayEchelon = []; // 顺序执行梯队，初始化为空数组
const dealEvent = new Event("redeal", { bubbles: false, cancelable: false });


// 页面模板部分
// 页面模板部分
// 页面模板部分

// 页面样式
var popCSs = `
#my-window {
    position: fixed;
    top: 5px;
    left: 20px;
    width: 320px;
    height: auto;
    background-color: rgba(247, 247, 247, 1);
    border: 1px solid #fff;
    border-radius: 5px;
    z-index: 9999;
    overflow: hidden;
    padding: 0 5px 10px  0;
    font-family: fangsong;
    font-weight: bold;
  }
  
  #my-window .header {
    background-color: #4497fa;
    color: #fff;
    padding: 5px;
    font-size: 16px;
    font-family: 'fangsong';
    font-weight: bold;
    border-radius: 5px;
    cursor: move;
    height: 25px;
    width: 320px;
  }

  #my-window .content {
    width: 320px;
    height: auto;
  }

  #my-window .content .content-title {
    height: 22px;
    width: 300px;
    background-color: #dadada;
    line-height: 22px;
    padding-left: 5px;
    font-size: 12px;
    font-family: 'fangsong';
    font-weight: 600;
    boder-radius: 5px;
    border-left: 4px solid #2196f3;
    border-right: 4px solid #dadada;
    margin-top: 5px;
    border-radius: 3px;
  }

  #my-window .content .content-notice {
    height: 80px;
    width: 300px;
    overflow: auto;
    border: 1px solid gray;
    border-radius: 3px;
    padding: 5px;
    margin-top: 5px;
    font-size: 12px;
    font-weight: bold;
  }

  #my-window .content .content-process {
    height: 60px;
    width: 300px;
    overflow: auto;
    border: 1px solid gray;
    border-radius: 3px;
    padding: 5px;
    margin-top: 5px;
  }

  #my-window .content .content-log {
    height: 120px;
    width: 300px;
    overflow: auto;
    border: 1px solid gray;
    border-radius: 3px;
    padding: 5px;
    margin-top: 5px;
    display: none;
  }
  
  #my-window .content .content-set {
    height: 240px;
    width: 300px;
    overflow: auto;
    border: 1px solid gray;
    border-radius: 3px;
    padding: 5px;
    margin-top: 5px;
  }

  #my-window .content .content-set .content-set-content {
    width: 290px;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid gray;
    border-bottom: 1px solid gray;
    padding: 5px 5px;
  }

  #my-window .content .content-set .content-set-content .control {
    width: 220px;
    height: 20px;
    display: flex;
    justify-content: space-between;
  }

  #my-window .content .content-set .content-set-content .control #playbackRateSelect {
    width: 220px;
    height: 20px;
    border-radius: 3px;
    border: 1px solid gray;
    font-size: 13px;
    font-family: fangsong;
    font-weight: bold;
    cursor: pointer;
  }

  #my-window .content .content-set .content-set-content .control #volumeSelect {
    width: 220px;
    height: 20px;
    border-radius: 3px;
    border: 1px solid gray;
    font-size: 13px;
    font-family: fangsong;
    font-weight: bold;
    cursor: pointer;
  }

  #my-window .content .content-set .content-set-content #email-input {
    width: 175px;
    height: 20px;
    border-radius: 3px;
    border: 1px solid gray;
    font-size: 13px;
    font-family: fangsong;
    font-weight: bold;
  }


  #my-window .content .content-set .content-set-content #save-btn {
    color: gray;
    width: 40px;
    height: 22px;
    border-radius: 3px;
    border: 1px solid gray;
    font-size: 13px;
    font-family: fangsong;
    font-weight: bold;
    cursor: pointer;
  }

  #save-btn:hover {
    background-color: #e3e3e3!important;
  }

  #my-window .resizer {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background-color: #2196f3;
    cursor: se-resize;
    border-radius: 0px;
    z-index: 1;
  }
  
  #hide-btn {
    height: 25px;
    width: auto;
    float: right;
    margin-right: 10px;
    background-color: #fff;
    border: 1px solid gray;
    border-radius: 5px;
    font-size: 12px;
    padding: 0 5px;
    font-family: 'fangsong';
    cursor: pointer;
  }

  #hide-btn:hover {
    background-color: #4497fa;
    color: #fff;
  }

  #hide-notice-btn {
    height: 20px;
    line-height: 20px;
    width: auto;
    background-color: #fff;
    border: 1px solid gray;
    border-radius: 3px;
    font-size: 12px;
    padding: 0 5px;
    font-family: 'fangsong';
    cursor: pointer;
    float: right;
  }
  #hide-notice-btn:hover {
    background-color: gray;
    color: #fff;
  }

  #hide-process-btn {
    height: 20px;
    line-height: 20px;
    width: auto;
    background-color: #fff;
    border: 1px solid gray;
    border-radius: 3px;
    font-size: 12px;
    padding: 0 5px;
    font-family: 'fangsong';
    cursor: pointer;
    float: right;
  }
  #hide-process-btn:hover {
    background-color: gray;
    color: #fff;
  }

  #hide-log-btn {
    height: 20px;
    line-height: 20px;
    width: auto;
    background-color: #fff;
    border: 1px solid gray;
    border-radius: 3px;
    font-size: 12px;
    padding: 0 5px;
    font-family: 'fangsong';
    cursor: pointer;
    float: right;
  }
  #hide-log-btn:hover {
    background-color: gray;
    color: #fff;
  }

  #hide-set-btn {
    height: 20px;
    line-height: 20px;
    width: auto;
    background-color: #fff;
    border: 1px solid gray;
    border-radius: 3px;
    font-size: 12px;
    padding: 0 5px;
    font-family: 'fangsong';
    cursor: pointer;
    float: right;
  }
  #hide-set-btn:hover {
    background-color: gray;
    color: #fff;
  }
`

// 页面Html
var popHtml = `
<div class="header">学习通助手[1.0.6]
  <button id="hide-btn">显示/隐藏</button>
</div>
<div class="content" id="my-window-content">
  <div class="resizer" style="display: none;"></div>
  <div class="row" style="border: 1px solid #ccc; padding: 5px;">
    <div class="content-title">公告
      <button id="hide-notice-btn">显示/隐藏</button>
    </div>
    <div class="content-notice" id="content-notice">
    </div>
    <div class="content-title">播放进度<span id="async-time"></span>
      <button id="hide-process-btn">显示/隐藏</button>
    </div>
    <div class="content-process" id="content-process"></div>
    <div class="content-title">执行日志
      <button id="hide-log-btn">显示/隐藏</button>
    </div>
    <div class="content-log" id="content-log"></div>
    <div class="content-title">配置
      <button id="hide-set-btn">显示/隐藏</button>
    </div>
    <div class="content-set" id="content-set">        
    <div style="margin-bottom: 5px;font-family: 'fangsong';font-weight: bold;">
      <div>
        [该邮箱地址用来登录app网站，该邮箱需要和网站注册邮箱保持一致，不可为空，填写完，点击保存，可在网站查看课程进度。]
      </div>
      <div>[二维码：<a style="color: dodgerblue;cursor: pointer;" id="Qcode">点击查看，微信扫码</a>]</div>
    </div>
      <div class="content-set-content">
        <label for="email-input">[邮箱]</label>
        <div class="control">
          <input type="email" id="email-input" placeholder="请输入邮箱地址">
          <button id="save-btn">保存</button>
        </div>
      </div>
      <div class="content-set-content">
        <label for="email-input">[视频倍速]</label>
        <div class="control">
          <select id="playbackRateSelect">
              <option value="1">1x</option>
              <option value="2">2x</option>
              <option value="3">3x</option>
              <option value="4">4x</option>
          </select>
        </div>
      </div>
      <div class="content-set-content">
        <label for="email-input">[视频音量]</label>
        <div class="control">
          <select id="volumeSelect">
            <option value="0">静音</option>
            <option value="0.2">20</option>
            <option value="0.4">40</option>
            <option value="0.6">60</option>
            <option value="0.8">80</option>
            <option value="1">100</option>
          </select>
        </div>
      </div>
    </div>
  </div>
</div>
`
// 初始化添加页面弹窗以及悬浮球
function initPopup() {
  // 添加CSS样式
  GM_addStyle(popCSs);
  // 创建窗口元素
  const myWindow = document.createElement("div");
  myWindow.id = "my-window";
  myWindow.innerHTML = popHtml;
  // 获取页面body元素
  const body = document.getElementsByTagName("body")[0];
  // 添加窗口和悬浮球到页面
  body.appendChild(myWindow);
  // 绑定隐藏窗口按钮的click事件
  const hideBtn = document.querySelector("#hide-btn");
  hideBtn.addEventListener("click", hideWindow);
    // 绑定隐藏公告按钮的click事件
  const hideNoticeBtn = document.querySelector("#hide-notice-btn");
  hideNoticeBtn.addEventListener("click", hideNotice);
    // 绑定隐藏播放进度按钮的click事件
  const hideProcessBtn = document.querySelector("#hide-process-btn");
  hideProcessBtn.addEventListener("click", hideProcess);
    // 绑定隐藏日志按钮的click事件
  const hideLogBtn = document.querySelector("#hide-log-btn");
  hideLogBtn.addEventListener("click", hideLog);
    // 绑定隐藏日志按钮的click事件
  const hideSetBtn = document.querySelector("#hide-set-btn");
  hideSetBtn.addEventListener("click", hideSet);
  // 获取弹窗内容
  var htmlContent = '<div style="width: 800px; height: 400px;display: flex;justify-content: center;align-items: center;"><img style="width: 400px; height: 400px;" src="https://www.sweek.top/api/preview/Qcode.png" alt="微信扫码"><img style="height: 400px;" src="https://www.sweek.top/api/preview/Qrcode.jpg" alt="微信扫码"></div>';

  // 点击链接显示弹窗
  document.getElementById('Qcode').addEventListener('click', function() {
    showCustomPopup(htmlContent, 800, 400);
  });
  

  // 获取头部元素
  const header = myWindow.querySelector('.header');

  // 处理移动事件
  let isDragging = false;
  let mouseX = 0;
  let mouseY = 0;

  header.addEventListener('mousedown', function (e) {
    e.preventDefault();
    isDragging = true;
    mouseX = e.clientX;
    mouseY = e.clientY;
  });

  document.addEventListener('mousemove', function (e) {
    if (isDragging) {
      const deltaX = e.clientX - mouseX;
      const deltaY = e.clientY - mouseY;
      const newLeft = Math.min(
        Math.max(0, myWindow.offsetLeft + deltaX),
        window.innerWidth - myWindow.offsetWidth
      );
      const newTop = Math.min(
        Math.max(0, myWindow.offsetTop + deltaY),
        window.innerHeight - myWindow.offsetHeight
      );
      myWindow.style.left = newLeft + 'px';
      myWindow.style.top = newTop + 'px';
      mouseX = e.clientX;
      mouseY = e.clientY;
    }
  });

  document.addEventListener('mouseup', function () {
    isDragging = false;
  });

  document.getElementById('playbackRateSelect').addEventListener('change', function() {
      updatePlaybackRate(this.value);
  });
  document.getElementById("playbackRateSelect").value = playbackRate;
  document.getElementById('volumeSelect').addEventListener('change', function() {
      updateVolume(this.value);
  });
  document.getElementById("volumeSelect").value = volume;
}

// 当下拉框的值改变时，更新变量值
function updatePlaybackRate(val) {
  playbackRate = val
  GM_setValue("playbackRate", playbackRate);
  // 刷新页面
  location.reload();
}
// 当下拉框的值改变时，更新变量值
function updateVolume(val) {
  volume = val
  GM_setValue("volume", volume);
  // 刷新页面
  location.reload();
}

// 隐藏窗口函数
function hideWindow() {
  var myWindowContent = document.getElementById("my-window-content");
  var showPop = myWindowContent.style.display
  if (showPop == '' || showPop == 'block') {
    myWindowContent.style.display = "none";
  } else {
    myWindowContent.style.display = "block";
  }
}

// 隐藏公告函数
function hideNotice() {
  var contentNotice = document.getElementById("content-notice");
  var showPop = contentNotice.style.display
  if (showPop == '' || showPop == 'block') {
    contentNotice.style.display = "none";
  } else {
    contentNotice.style.display = "block";
  }
}

// 隐藏播放进度函数
function hideProcess() {
  var contentProcess = document.getElementById("content-process");
  var showPop = contentProcess.style.display
  if (showPop == '' || showPop == 'block') {
    contentProcess.style.display = "none";
  } else {
    contentProcess.style.display = "block";
  }
}

// 隐藏日志函数
function hideLog() {
  var contentLog = document.getElementById("content-log");
  var showPop = contentLog.style.display
  if (showPop == 'block') {
    contentLog.style.display = "none";
  } else {
    contentLog.style.display = "block";
  }
}

// 隐藏设置函数
function hideSet() {
  var contentSet = document.getElementById("content-set");
  var showPop = contentSet.style.display
  if (showPop == '' || showPop == 'block') {
    contentSet.style.display = "none";
  } else {
    contentSet.style.display = "block";
  }
}

function takeEmail() {
  // 获取邮箱输入框和保存按钮
  const emailInput = document.getElementById("email-input");
  const saveBtn = document.getElementById("save-btn");

  // 当保存按钮被点击时
  saveBtn.addEventListener("click", function() {
    // 获取输入的邮箱地址
    const email = emailInput.value.trim();
    // 检查邮箱地址是否有效
    if (!isValidEmail(email)) {
      notify('请输入有效的邮箱地址！', 2500)
      return;
    }
    
    const url = 'https://www.sweek.top/api/checkEmailExists';
    const data = { 
      email
    };
    if(email) {
      fetch(url, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json', // 声明请求主体的内容类型为 JSON
        },
        body: JSON.stringify(data), // 将数据对象转换为 JSON 字符串并作为请求主体
      }).then(response => {
        if (!response.ok) {
          throw new Error('Network response was not ok');
        }
        return response.json(); // 解析 JSON 响应数据
      }).then(data => {
        if(data.exists){
          // 将邮箱地址存储到本地存储中
          GM_setValue("savedEmail", email);
          // 提示保存成功
          notify('保存成功！课程信息将同步到该邮箱账号', 2500)
        } else {
          notify('邮箱账号尚未注册，请扫码前往留言信箱网站注册', 2500)
        }
      }).catch(error => {
        console.error('Error:', error);
      });
    }

  });

  // 页面加载时，尝试从本地存储中获取已保存的邮箱地址并反显到输入框中
  const savedEmail = GM_getValue("savedEmail");
  if (savedEmail) {
    emailInput.value = savedEmail;
  }
}

// 邮箱地址验证函数
function isValidEmail(email) {
  // 此处可以使用正则表达式等方式进行邮箱地址的验证
  // 这里简单地判断邮箱是否包含 '@' 符号
  return email.includes("@");
}




// 封装页面组件方法
// 封装页面组件方法
// 封装页面组件方法

// 页面弹窗显示
function showCustomPopup(htmlContent, width, height) {
    // 创建弹窗容器
    var popupContainer = document.createElement('div');
    popupContainer.className = 'custom-popup-container';
    // 设置弹窗容器样式
    popupContainer.style.position = 'fixed';
    popupContainer.style.top = '50px';
    popupContainer.style.left = '0';
    popupContainer.style.width = '100%';
    popupContainer.style.height = 'calc(100% - 50px)';
    popupContainer.style.display = 'flex';
    popupContainer.style.justifyContent = 'center';
    popupContainer.style.alignItems = 'center';
    popupContainer.style.zIndex = '999999';

    // 创建弹窗内容容器
    var popupContent = document.createElement('div');
    popupContent.className = 'custom-popup-content';
    // 设置弹窗内容样式
    popupContent.style.width = width + 'px';
    popupContent.style.height = height + 'px';
    popupContent.style.backgroundColor = '#fff';
    popupContent.style.border = '1px solid #ccc';
    popupContent.style.borderRadius = '5px';
    popupContent.style.position = 'relative';

    // 创建关闭按钮
    var closeButton = document.createElement('button');
    closeButton.innerHTML = '关闭';
    closeButton.style.position = 'absolute';
    closeButton.style.top = '5px';
    closeButton.style.right = '5px';
    closeButton.style.padding = '5px 10px';
    closeButton.style.backgroundColor = '#ccc';
    closeButton.style.border = 'none';
    closeButton.style.borderRadius = '3px';
    closeButton.style.cursor = 'pointer';
    closeButton.style.fontFamily = 'Arial, sans-serif';

    // 关闭按钮点击事件处理
    closeButton.addEventListener('click', function() {
        popupContainer.remove();
    });

    // 设置弹窗内容
    popupContent.innerHTML = htmlContent;

    // 将关闭按钮和弹窗内容添加到弹窗容器中
    popupContent.appendChild(closeButton);
    popupContainer.appendChild(popupContent);

    // 将弹窗容器添加到页面中
    document.body.appendChild(popupContainer);
}

// 页面通知提示
function notify(text, time) {
// 创建通知元素
var notification = document.createElement('div');
notification.className = 'notification';
// 设置通知内容
notification.innerHTML = '<div class="notification-content"><h2 style="font-size: 16px;font-weight: bold;color: #307dff;font-family: fangsong;">' + '学习通助手提示' + '</h2><p style="font-family: fangsong;font-size: 13px;font-weight: bold;">' + text + '</p></div>';
// 将通知添加到页面中
document.body.appendChild(notification);
// 设置通知样式
notification.style.position = 'fixed';
notification.style.top = '50px';
notification.style.left = '-400px'; // 从左边弹出
notification.style.transform = 'translateY(-50%)'; // 垂直居中
notification.style.transition = 'left 0.5s ease-in-out'; // 添加过渡效果
notification.style.zIndex = '999999';
notification.style.backgroundColor = '#fff';
notification.style.border = '1px solid #ccc';
notification.style.padding = '10px';
notification.style.borderRadius = '5px';
notification.style.lineHeight = '25px';

// 等待一小段时间后，移动通知到左边
setTimeout(function() {
    notification.style.left = '20px'; // 移动到左边
}, 100);

// 设置定时器，在指定时间后移除通知
setTimeout(function() {
    // 移动通知到左边以外
    notification.style.left = '-400px';
    // 等待过渡效果完成后，移除通知元素
    setTimeout(function() {
    notification.remove();
    }, 500);
}, time);
}

// 添加执行日志
function addlog(str, color) {
var _time = new Date().toLocaleTimeString()
var contentLog = window.top.document.querySelector('.content-log');
var newContent = '<p style="color: ' + color + ';">[' + _time + ']' + str + '</p><hr>';
contentLog.innerHTML += newContent;
// 将滚动条滚动到底部
contentLog.scrollTop = contentLog.scrollHeight;
}


/** 监听事件 */
document.addEventListener("redeal", () => {
    dealAnsEchelon(arrayEchelon);
});

/** 初始化 */
function initAll() {
  // console.log('location.pathname：：：+ ', location.pathname)
  if(location.pathname == '/mooc-ans/knowledge/cards') {  
    addlog('正在获取当前页面的任务...');
    const arrayAns = document.querySelectorAll(".ans-attach-ct");
    const taskCount = arrayAns.length;
    // addlog(`找到的任务数量: ${taskCount}`);
    if (arrayAns && taskCount > 0) {
      try {
        const arrayType = getIframesType(arrayAns);
        console.log('任务类型数组：', arrayType);

        const arrayDocument = getAllIframesDocument(arrayAns);
        // console.log('任务文档数组：', arrayDocument);

        arrayEchelon = distributeAns(arrayType, arrayDocument);
        addlog(`当前页面任务数量为: ${arrayEchelon.length}`);

        // 触发处理任务的事件
        document.dispatchEvent(dealEvent);
      } catch (error) {
        console.error("初始化过程中发生错误：", error);
      }
    } else {
      addlog("当前页面没有可处理的任务,直接跳过章节");
      // 如果没有任务，
      skipChapter();
    }
  }

}

/** 工具函数 */
/** 工具函数 */
/** 工具函数 */
// 获取当前时间，年月日时分秒
function getCurrentDateTime() {
	var now = new Date();
	var year = now.getFullYear();
	var month = (now.getMonth() + 1).toString().padStart(2, '0'); // 月份从0开始，需要加1，并确保两位数格式
	var day = now.getDate().toString().padStart(2, '0'); // 确保两位数格式
	var hours = now.getHours().toString().padStart(2, '0'); // 确保两位数格式
	var minutes = now.getMinutes().toString().padStart(2, '0'); // 确保两位数格式
	var seconds = now.getSeconds().toString().padStart(2, '0'); // 确保两位数格式

	return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
}

// 设置播放进度
function setVideoProcess(val1, val2, val3) {
  var _process = window.top.document.querySelector('#content-process');
  var _time = getCurrentDateTime()
  var newContent = '<p style="color: #000;">[' + _time + ']' + '</p><hr><p>' + '播放进度：' + val1 + '</p><hr><p>' + '视频长度：' + val2 + 's' + '/' +val3 + 's' + '</p>';
  _process.innerHTML = newContent;
}

// 获取视频播放进度-定时监听页面内容进行下一步处理
function getVideoProgress() {
  // 同步课程进度
  if(location.pathname == '/mycourse/studentstudy') {
    const emailInput = document.getElementById("email-input");
    const email = emailInput.value.trim();
    const url = 'https://www.sweek.top/api/checkEmailExists';
    const data = { 
      email
    };
    if(email) {
      fetch(url, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json', // 声明请求主体的内容类型为 JSON
        },
        body: JSON.stringify(data), // 将数据对象转换为 JSON 字符串并作为请求主体
      }).then(response => {
        if (!response.ok) {
          throw new Error('Network response was not ok');
        }
        return response.json(); // 解析 JSON 响应数据
      }).then(data => {
        if(data.exists){  
          syncCourseData()
        } else {
          var _async_time = window.top.document.querySelector('#async-time');
          var newContent = `<span style="color: #000;">[同步课程信息失败，邮箱未注册]</span>`;
          _async_time.innerHTML = newContent;
        }
      }).catch(error => {
        console.error('Error:', error);
      });
    }

    // 脚本运行过程中如果弹出弹窗，发现后关闭-10s执行一次
		const jobFinishTip = document.querySelector(".jobFinishTip");
		const nextChapter = document.querySelector(".nextChapter");
    if (jobFinishTip) {
      const computedStyle = getComputedStyle(jobFinishTip);
      if (computedStyle.display !== 'none') {
        nextChapter.click()
      }
    }
  }
}

// 获取页面url
function getURLInfo() {
  if(location.pathname == '/mycourse/studentstudy') {
    url = location.href
    // 获取问号后面的部分
    var queryString = url.split('?')[1];
    // 将查询字符串拆分为参数对
    var queryParams = queryString.split('&');
    // 创建一个对象来存储参数
    var params = {};
    // 遍历参数对，将它们存储在对象中
    queryParams.forEach(function(queryParam) {
        var parts = queryParam.split('=');
        var key = decodeURIComponent(parts[0]);
        var value = decodeURIComponent(parts[1]);
        params[key] = value;
    });
    chapterId = params['chapterId']
    courseId = params['courseId']
    GM_setValue("courseId", courseId);
  }
}

// 获取当前页面章节小节的所有分栏
function getSubChapter() {
  try {
    if(location.pathname == '/mycourse/studentstudy') {
      var subChapter = window.top.document.querySelector('#prev_tab');
      if(subChapter) {
        currentChapterTabArr = subChapter.querySelectorAll('li');
        currentChapterTabArr.forEach(function(item) {
          if(item.className === 'active') {
            currentChapterTabName = item.innerText
          }
        })
      }
      
    }
  } catch (error) {
    console.error('An error occurred:', error);
    // location.reload(); // 刷新页面
  }
}

// 获取课程所有章节节点数据
function getChapterCodeInfo() {
  if(location.pathname === '/mooc-ans/knowledge/cards') {
    var chapter = window.top.document.querySelectorAll('.posCatalog_select')
    chapterInfo = chapter
    allChapterName=[]

    chapterInfo.forEach(function(item) {
      allChapterName.push({
        id: item.id,
        title: item.innerText,
        active: item.classList.contains('posCatalog_active') ? 1 : 0,
        ifTitle: item.classList.contains('firstLayer') ? 1 : 0,
        status: item.childNodes[3]?.className == 'icon_Completed prevTips' ? 1 : 0
      })
      if (item.classList.contains('posCatalog_active')) {
        currentChapterId = item.id
        GM_setValue("currentChapterId", currentChapterId);
        currentChapterName = item.innerText
        GM_setValue("currentChapterName", currentChapterName);
      }
    });
    GM_setValue("chapterInfo", JSON.parse(JSON.stringify(allChapterName)));
    addlog('当前章节为' + currentChapterName, 'green')
  }
}

// 获取公告数据
function getBoard() {
  fetch('https://www.sweek.top/api/board')
  .then(response => response.json())
  .then(data => {
    // 在这里处理接收到的数据
    var notice = document.querySelector('#content-notice');
    notice.innerHTML = data.text
  })
  .catch(error => {
    // 在这里处理错误
    console.error('Error:', error);
  });
}

// 同步课程数据至数据库
function syncCourseData() {
  const url = 'https://www.sweek.top/api/insertOrUpdateCourse';
  const email = GM_getValue("savedEmail")
  const course_name = GM_getValue("courseName")
  const current_chapter_id = GM_getValue("currentChapterId")
  const current_chapter_name = GM_getValue("currentChapterName")
  const course_id = GM_getValue("courseId")
  const process = document.querySelector('#content-process').innerHTML  
  const chapter_info = GM_getValue("chapterInfo")
  var chapter = window.top.document.querySelectorAll('.posCatalog_select')
  allChapterName = []
  chapter.forEach(function(item) {
    allChapterName.push({
      id: item.id,
      title: item.innerText,
      active: item.classList.contains('posCatalog_active') ? 1 : 0,
      ifTitle: item.classList.contains('firstLayer') ? 1 : 0,
      status: item.childNodes[3]?.className == 'icon_Completed prevTips' ? 1 : 0
    })
    if (item.classList.contains('posCatalog_active')) {
      currentChapterId = item.id
      GM_setValue("currentChapterId", currentChapterId);
      currentChapterName = item.innerText
      GM_setValue("currentChapterName", currentChapterName);
    }
  });
  const data = { 
    email,
    course_id: course_id || '',
    course_name: course_name || '测试',
    chapter: JSON.stringify(allChapterName),
    current_chapter: current_chapter_id + ',' + current_chapter_name,
    process
  };
	// 播放异常刷新页面
  // if(process.includes("NaN")) {
  //   location.reload(); // 刷新页面
  //   return
  // }
  if(email && process) {
    fetch(url, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json', // 声明请求主体的内容类型为 JSON
      },
      body: JSON.stringify(data), // 将数据对象转换为 JSON 字符串并作为请求主体
    }).then(response => {
      if (!response.ok) {
        throw new Error('Network response was not ok');
      }
      return response.json(); // 解析 JSON 响应数据
    }).then(data => {
      var _async_time = window.top.document.querySelector('#async-time');
      var _time = getCurrentDateTime()
      var newContent = `<span style="color: #000;">[同步时间：${_time}]</span>`;
      _async_time.innerHTML = newContent;
    }).catch(error => {
      console.error('Error:', error);
    });
  }
}

// 获取任务属性
function getIframesType(arrayAns) {
    return Array.from(arrayAns)
        .map(ans => {
            const jsonStr = ans.querySelector("iframe")?.getAttribute("data");
            if (!jsonStr) {
                console.warn("未找到 data 属性或 data 属性为空。");
                return null;
            }
            try {
                const json = JSON.parse(jsonStr);
                // 根据需求获取任务类型
                // 课程类型
                if(json && json.type) {
                  return json.type;
                }
                // 测试类型
                if(json && json.worktype) {
                  return json.worktype;
                }
            } catch (error) {
                console.warn("解析 JSON 失败:", error);
                return null;
            }
        })
        .filter(type => type !== null);
}

// 获取任务 document
function getAllIframesDocument(arrayAns) {
  return Array.from(arrayAns)
    .map(ans => ans.querySelector("iframe")?.contentWindow?.document)
    .filter(doc => doc !== undefined && doc !== null);
}

// 按任务属性映射处理函数
const handlerMap = {
    ".mp4": videoHandler,
    ".wmv": videoHandler,
    ".avi": videoHandler,
    ".mkv": videoHandler,
    ".flv": videoHandler,
    ".doc": pptxHandler,
    ".docx": pptxHandler,
    ".pptx": pptxHandler,
    ".pdf": pptxHandler,
    ".ppt": pptxHandler,
    ".mp3": audioHandler,
    ".wav": audioHandler
};

// 按任务属性分配执行函数
function distributeAns(arrayType, arrayDocument) {
    return arrayType.map((type, index) => {
        const handler = handlerMap[type] || ignoreAns;
        return { document: arrayDocument[index], handler };
    });
}

// 处理单个任务
function dealSingleAns(singleAns) {
    if (singleAns && singleAns.handler && typeof singleAns.handler === 'function') {
        singleAns.handler(singleAns.document);
    } else {
        console.warn("无效的任务或处理函数。");
        document.dispatchEvent(dealEvent);
    }
}

/** 执行函数 */
// 直接跳过
function skipChapter() {
	addlog("跳过章节");
	const chapterNext = window.top.document.querySelector("#prevNextFocusNext");
	if (chapterNext) {
			chapterNext.click();
	} else {
			// console.warn("未找到 #prevNextFocusNext 元素。");
	}

	setTimeout(() => {
			const tip = document.querySelector(".maskDiv.jobFinishTip.maskFadeOut");
			if (tip) {
					const tipNextChapter = document.querySelector(".jb_btn.jb_btn_92.fr.fs14.nextChapter");
					tipNextChapter?.click();
			} else {
					// console.warn("未找到完成提示或下一章节按钮。");
			}
			setTimeout(() => {
					initAll();
					// 注意：这里不再立即调用 dealAnsEchelon，而是依靠事件触发
			}, 5000);
	}, 2000);
}

// 忽略任务
function ignoreAns() {
	addlog("无法处理, 忽略任务");
	setTimeout(() => {
			document.dispatchEvent(dealEvent);
	}, 1500);
}

// 处理视频
function videoHandler(idocument) {
	addlog("处理视频任务中...");
	const video = idocument.querySelector("video");
	const videoPlayButton = idocument.querySelector(".vjs-big-play-button");

	if (!video) {
			// console.log("未找到视频元素。");
			// document.dispatchEvent(dealEvent);
			return;
	}
	// 播放视频
	videoPlayButton?.click();

	// 监听视频暂停事件并在暂停时继续播放
	const handlePause = () => {
		// console.log("视频暂停，自动恢复播放...");
		videoPlayButton?.click();
		// 如果检测到弹窗，则点击隐藏
		const modalDialog = idocument.querySelector(".vjs-modal-dialog-content");
		const closeButton = idocument.querySelector(".vjs-done-button");
		const ariaHiddenValue = modalDialog.getAttribute("aria-hidden");
		if (modalDialog && closeButton && !ariaHiddenValue) {
			setTimeout(() => {
					closeButton?.click();
					// console.log('模块弹窗已隐藏...')    
			}, 2000);
		}
	};

  // 设置播放倍速（延迟设置，确保视频已加载完成）
  video.addEventListener('loadeddata', () => {	
    // 设置音量
	  video.volume = volume;
    addlog(`已将视频音量调节为${volume*100}%`);
    // 设置倍速
    video.playbackRate = playbackRate;
    addlog(`已将视频倍速调节为${playbackRate}X`);
  });

	video.addEventListener("pause", handlePause);

	// 监听视频播放结束事件，并在结束时触发 dealEvent，并且移除暂停事件监听
	video.addEventListener("ended", () => {
			document.dispatchEvent(dealEvent);
			video.removeEventListener("pause", handlePause);
	}, { once: true });


	// 同步显示视频进度
	video.addEventListener("timeupdate", function() {
		let currentTime = video.currentTime; // 当前播放时间（以秒为单位）
		let duration = video.duration; // 视频总时长（以秒为单位）
		let progress = (currentTime / duration) * 100; // 计算播放进度百分比
		setVideoProcess(progress.toFixed(2) + '%', currentTime.toFixed(0), duration.toFixed(0)); // 设置视频播放进度显示
	});

  // 10秒之后如果还没播放，执行点击播放按钮
	setTimeout(() => {
			if (video.paused && !video.ended) {
				videoPlayButton?.click();
				addlog('由于程序出错未自动播放，现重新模拟点击播放按钮...');
			}
	}, 10000);
}

// 处理 PPT & PDF
function pptxHandler(idocument) {
  // notify('等待PPT/PDF加载完成...', 5000)
  addlog("处理 PPT/PDF 任务中...");
  const iframe = idocument.querySelector("iframe");
  if (!iframe) {
      // console.warn("未找到嵌入的 iframe 元素。");
      document.dispatchEvent(dealEvent);
      return;
  }
  const sDocument = iframe.contentWindow?.document;
  if (!sDocument) {
      // console.warn("无法获取 PPT/PDF 的文档内容。");
      document.dispatchEvent(dealEvent);
      return;
  }
  const finalHeight = sDocument.documentElement.scrollHeight;
  let currentHeight = 0;

  const scrollStep = 400; // 每次滚动的高度
  const scrollInterval = 1000; // 滚动的时间间隔（毫秒）
  const timer = setInterval(() => {
    if (currentHeight >= finalHeight) {
      clearInterval(timer);
      document.dispatchEvent(dealEvent);
      return;
    }
    currentHeight += scrollStep;
    sDocument.defaultView.scrollTo(0, currentHeight);
  }, scrollInterval);
}

// 处理音频
function audioHandler(idocument) {
	  addlog("处理音频任务中...");
    const audio = idocument.querySelector("audio");
    const audioPlayButton = idocument.querySelector(".vjs-play-control.vjs-control.vjs-button");

    if (!audio) {
        console.warn("未找到音频元素。");
        document.dispatchEvent(dealEvent);
        return;
    }

    // 播放音频
    audioPlayButton?.click();

    // 监听音频播放结束事件
    audio.addEventListener("ended", () => {
        document.dispatchEvent(dealEvent);
    }, { once: true });

    // 监听音频暂停事件并在暂停时继续播放
    audio.addEventListener("pause", () => {
        // console.log("音频暂停，自动恢复播放...");
        audioPlayButton?.click();
    });
}

/** 任务梯队顺序处理 */
function dealAnsEchelon(arrayEchelon) {
    const remainingTasks = arrayEchelon.length;
		addlog(`待处理任务数量为: ${remainingTasks}`);

    if (remainingTasks === 0) {
        skipChapter();
        return;
    }

    const nextTask = arrayEchelon.shift();
    try {
        dealSingleAns(nextTask);
    } catch (error) {
        console.error("处理任务时发生错误：", error);
        // 继续处理下一个任务
        dealAnsEchelon(arrayEchelon);
    }
}



// 方法执行入口
(function () {
	// 进入学习通弹出提示
	if(location.pathname == '/base') {
		notify('已进入学习通首页，请进入课程，选择需要学习的课程', 5000)
	}
	// 进入课程弹出提示
	if(location.pathname == '/mooc2-ans/mycourse/stu') {   
		courseName = window.top.document.querySelector('.classDl .colorDeep').getAttribute('title')
		GM_setValue("courseName", courseName);
		notify('已进入课程:' + courseName + '，请选择需要学习的章节', 5000)
	}
	// 初始化显示页面弹窗
	if(location.pathname == '/mycourse/studentstudy') {
		initPopup()  
		// 获取公告数据
		getBoard()  
		// 邮箱操作
		takeEmail() 
	}
	// 获取页面章节节点数据
	getChapterCodeInfo()
	// 获取当前页面章节小节的所有分栏
	getSubChapter()
	// 获取页面url信息
	getURLInfo()

	// 定时打印视频播放进度-定时监听页面内容进行下一步处理
	videoProgressId = setInterval(() => {
		getVideoProgress()
	}, 10000);


		/** 执行代码 */
	setTimeout(() => {
		initAll();
		// 不再直接调用 dealAnsEchelon，这将由 initAll 中的事件触发
	}, 1500);
})();