// ==UserScript==
// @name             免Flash文件上传
// @namespace        https://greasyfork.org/zh-CN/users/605474
// @version          1.3.7.1
// @description      无需调用Flash，从课程平台上传附件，不必为了传作业多装一个浏览器！
// @author           ZiuChen <ZiuChen@outlook.com>
// @source           https://github.com/ZiuChen/NO-FLASH-Upload
// @match            *://cc.bjtu.edu.cn:81/*
// @require          https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js
// @require          https://cdn.bootcdn.net/ajax/libs/jquery/1.7.2/jquery.min.js
// @require          https://cdn.bootcdn.net/ajax/libs/clipboard.js/2.0.8/clipboard.min.js
// @icon             https://gitee.com/ziuc/utool-filebed/raw/master/20210514-231824-0795.png
// @license          MIT
// @name:en          NO-FLASH-Upload  
// @description:en   No need to call Flash, upload accessories from the course platform, do not have to install another browser for the homework!
// @downloadURL none
// ==/UserScript==


/******/ (() => { // webpackBootstrap
var __webpack_exports__ = {};
(function () {
  'use strict'; // 全局变量

  let onUpload = 0;
  let index = 0;
  let isAbort = 0;
  let oloaded = 0;
  let ot = 0; // 预置DOM

  let frontTag1 = "<li><a id='add_button' title='上传作业' onclick=location='http://cc.bjtu.edu.cn:81/meol/common/hw/student/hwtask.jsp?tagbug=client&strStyle=new06'><span>上传作业</span></a></li>";
  let frontTag2 = "<li><a id='add_button' title='下载资源' onclick=location='http://cc.bjtu.edu.cn:81/meol/common/script/listview.jsp?lid=" + location.href.split('courseId=')[1] + "&folderid=0'><span>下载资源</span></a></li>";
  let inputDiv = '<div id="inputDiv" style="height: 200px; width: 560px; margin-top: 20px; margin-bottom: 10px; cursor:pointer; border: 3px dashed; border-radius:10px; border-color: #82b900; background: #c6f062;"><div id="inputArea"><div id="textShow" style="margin-top: 80px; font-size: 20px; color: #424d55; text-align: center;"><p id="p1">📁文件上传📝</p><p id="p2" style="font-size: 15px">（支持拖拽上传文件）</p></div><input id="currentFile" type="file" multiple="multiple" style="display:none;" </input></div></div>';
  let filenamesDiv = '<div id="filenames" style="margin-top: 10px; margin-bottom: 10px; border: 3px solid rgb(130, 185, 0); border-radius: 10px;"></div>';
  let buttonDiv = '<div id="buttonDiv" style="margin-top: 20px; margin-bottom: 10px; text-align: center"></div>';
  let usertipsDiv = '<div id="userTips"><details style="color: #c0c1bb; cursor: default;"><p>感谢您使用此脚本，欢迎<a href="https://greasyfork.org/zh-CN/scripts/432056" target="blank">好评</a>并<a href="https://blog.csdn.net/Huuc6/article/details/120256435" target="blank">推荐</a>给身边同学，</p><p>如果喜欢这个脚本，可以选择<a href="https://gitee.com/ziuc/utool-filebed/raw/master/Buy me a coffee.png" target="blank">捐赠</a>，这将鼓励我持续维护这个脚本。</p><summary>更多信息</summary></details></div>';
  let uploadBox = '<tr><td><div id="outerDiv" style="font-size: 14px; width: 590px; margin:0 auto; margin-top: 5px; margin-bottom: 5px;">' + inputDiv + '<div id="fileInfo" style="text-align: left; cursor: default;"><a>已选择文件：</a></div>' + filenamesDiv + buttonDiv + usertipsDiv + '</div></td></tr>';
  let uploadBtn = '<a id="uploadTrigger" title="上传" style="cursor:pointer; padding-top: 3.5px; padding-bottom: 3.5px; padding-right: 10px; padding-left: 10px; margin-right: 10px; margin-left: 10px; background-color: #c6f062; border: 2px solid;">上传</a>';
  let emptyBtn = '<a id="emptyTrigger" title="清空" style="cursor:pointer; padding-top: 3.5px; padding-bottom: 3.5px; padding-right: 10px; padding-left: 10px; margin-right: 10px; margin-left: 10px; background-color: #c6f062; border: 2px solid;">清空</a>'; // 外部DOM操作

  $('#tmenu').append(frontTag1, frontTag2);
  $('.infotable>tbody>tr:contains("请输入你的答案")').after(uploadBox);
  $('#filenames, #buttonDiv, #fileInfo').hide(); // 信息显示部分

  let processImg = 'http://cc.bjtu.edu.cn:81/meol/styles/newstyle/course/new06/body_bg.jpg';
  let upldIconList = ['🕒', '⚡', '✅', '🕒', '⌛', '🔒', '✅']; // 所有icon统一管理

  let infoIconList = ['🔄', '⚠', '🚫', '🕒', '⌛', '🔒', '✅'];
  let fileTypeIconList = ['📄', '⛺', '📚', '🎬', '📝', '📜']; // 动效

  $('#inputDiv').mouseenter(function () {
    $('#inputDiv').css({
      'background-color': '#aad63d'
    });
    $('#textShow').css('color', '#ffffff');
  });
  $('#inputDiv').mouseleave(function () {
    $('#inputDiv').css({
      'background-color': '#c6f062'
    });
    $('#textShow').css('color', '#424d55');
  });
  $('tr[class=even]').mouseenter(function () {
    $(this).attr('class', 'even over');
  });

  function appendObjects(filelist) {
    // 缓存区更新前DOM操作
    $('#filenames, #buttonDiv, #fileInfo').show();
    $('#filenames, #buttonDiv').empty(); // 清空缓存区

    $('#inputDiv').hide(); // 隐藏上传框

    let sizeType = getSizeType(filelist);
    let nameType = getNameType(filelist);
    let fileType = getFileType(filelist);

    for (let i = 0; i < filelist.length; i++) {
      let item = {};
      item.file = filelist[i];
      item.sizeType = sizeType[i];
      item.initName = item.file.name;
      item.showName = nameType[i];
      item.fileTypeIcon = fileType[i].icon;
      item.fileTypeInfo = fileType[i].info;
      let fileObject = '<div class="fileObjects" id="fileTh' + i + '"style="cursor:default; margin-top: 10px; margin-bottom: 10px; background-image: url(' + processImg + '); background-repeat:no-repeat; background-size: 0%;"><a class="fileindex" id="fileindex' + i + '" title="' + item.fileTypeInfo + '" type="' + item.file.type + '" style="cursor:pointer; margin-left: 15px;">' + item.fileTypeIcon + '</a>&nbsp&nbsp|&nbsp&nbsp<a class="filename" id="filenameTH' + i + '" title="' + item.initName + '" data-clipboard-text="">' + item.showName + '<a class="fileSize">  (' + item.sizeType.size + item.sizeType.type + ')</a>' + '</a><a class="uploadSpeed" id="speedTh' + i + '" title="上传速度"></a><a class="timeRemain" id="timeRemainTh' + i + '"></a></div>';
      $('#filenames').append(fileObject);
    } // 缓存区更新后DOM操作


    $('#buttonDiv').append(uploadBtn);
    $('#buttonDiv').append(emptyBtn); // 动效 (所有Object都已插入完毕)

    $('.fileObjects').mouseenter(function () {
      // 1.变背景色 2.文字加粗 3.展示全名
      let prevBgc = $(this).css('background-color');
      let prevName = $(this).find('.filename').html();
      $(this).css('background-color', '#e7e8e0');
      $(this).find('.filename').css('font-weight', 'bold');
      $('.fileObjects').mouseleave(function () {
        $(this).css('background-color', prevBgc);
        $(this).find('.filename').css('font-weight', '');
        $(this).find('.filename').html(prevName);
      });

      if (onUpload == 1 && index == $(this).attr('id').split('fileTh')[1]) {
        // 文件已经开始上传且this为正在上传的文件, 此后的命令将不被执行
        return;
      }

      $(this).find('.filename').html($(this).find('.filename').attr('title'));
    });
    $('.fileindex').mouseenter(function () {
      if (onUpload == 1 || $(this).attr('title') == '[已上传]') {
        // 上传进程已开始/已经上传完 屏蔽按钮
        return;
      }

      let iconNow = $(this).html();
      let titleNow = $(this).attr('title');
      $(this).html('❌');
      $(this).attr('title', '删除');
      $('.fileindex').mouseleave(function () {
        if (onUpload == 1 || $(this).attr('title') == '[已上传]') {
          return;
        }

        $(this).html(iconNow);
        $(this).attr('title', titleNow);
      });
    });
  }

  let flag = 0;
  let filelist = []; // 文件选择前事件监听

  $('#inputDiv').click(function () {
    $('#currentFile').trigger('click');
  });
  $('#currentFile').change(function () {
    flag = 0;
    filelist = []; // 先执行清空 再push

    fileChangedByInput();
  });

  function fileChangedByInput() {
    if (flag == 0) {
      let filelistTMP = {};

      for (let i = 0; i < $('#currentFile')[0].files.length; i++) {
        filelistTMP = $('#currentFile')[0].files[i];
        filelist.push(filelistTMP);
        filelistTMP = {};
      }
    } // 缓存区更新


    appendObjects(filelist); // 文件更新后事件监听

    $('#emptyTrigger').click(function () {
      $('#currentFile').val('');
      $('#filenames, #buttonDiv').empty();
      $('#inputDiv').show();
      isAbort = 1;
      onUpload = 0;
      filelist = [];
      $('#filenames, #buttonDiv, #fileInfo').hide();
    });
    $('.fileindex').click(function () {
      if (onUpload == 1 || $(this).attr('title') == '[已上传]') {
        // 上传进程已开始/已经上传完 屏蔽按钮
        return;
      }

      let th = $(this).attr('id').split('fileindex')[1];
      filelist.splice(th, 1); // 缓存区更新

      appendObjects(filelist);
      flag = 1; // 执行change前，flag置1，不重新读文件

      fileChangedByInput();
      flag = 0; // 执行change后，flag置0，为下次重新读文件做准备

      if (filelist.length == 0) {
        // 点击的文件是最后一个文件，则直接执行清空
        $('#emptyTrigger').trigger('click');
      }
    }); // 上传按钮的监听要放在change中: change后才有#uploadtrigger

    $('#uploadTrigger').click(function () {
      $('#uploadTrigger').hide();

      if (onUpload == 1) {
        // 上传进程开始，屏蔽按钮
        return;
      } // 处理文件缓存区


      isAbort = 0; // 按上传之前按过清空，将isAbort置回0

      sendFileMsg();

      function sendFileMsg() {
        if (index >= filelist.length) {
          // 递归结束
          $('#currentFile').val(''); // <input>文件清空

          index = 0; // 递归条件置零

          onUpload = 0; // 上传开始标志位置0

          return; // 结束递归
        }

        let formData = new FormData();
        formData.append('Filename', filelist[index].name);
        formData.append('Filedata', filelist[index]);
        let xReq = new XMLHttpRequest();
        xReq.open('POST', 'http://cc.bjtu.edu.cn:81/meol/servlet/SerUpload');
        xReq.addEventListener("load", onSuccess);
        xReq.addEventListener("error", onError);
        xReq.upload.onloadstart = onStart;
        xReq.upload.onprogress = onProgress;
        xReq.upload.onabort = onAbort;
        xReq.send(formData);

        function onStart() {
          onUpload = 1; // 上传标志位置1

          ot = new Date().getTime(); // 设置上传开始时间,用以计算时间速度

          oloaded = 0; // 设置上传开始时，已上传的文件大小为0
          // 上传开始，缓存区加入竖线
          // $('#speedTh'+index).prepend('&nbsp; | &nbsp;');

          if (filelist[index].size > 52428800) {
            // 大于50M文件 插入timeremain竖线
            $('#timeRemainTh' + index).before('&nbsp; | &nbsp;');
          }
        }

        function onProgress(evt) {
          if (isAbort == 1) {
            xReq.abort(); // 上传过程中随时检查，终止请求
          } // 进度计算


          let percentage;
          percentage = (evt.loaded * 100 / evt.total).toFixed(0); // 速度计算

          let nt = new Date().getTime(); // 获取当前时间

          let perTime = (nt - ot) / 1000; // 计算出上次调用该方法时到现在的时间差，单位为s

          ot = new Date().getTime(); //重新赋值，用以下次计算

          let perLoad = evt.loaded - oloaded; // 计算该分段上传的文件大小，单位b

          oloaded = evt.loaded; // 重新赋值，用以下次计算

          let speed = perLoad / perTime; // 单位 B/s

          let bspeed = speed;
          let Sunits = 'B/s';

          if (speed / 1024 > 1) {
            speed = speed / 1024;
            Sunits = 'KB/s';
          }

          if (speed / 1024 > 1) {
            speed = speed / 1024;
            Sunits = 'MB/s';
          }

          speed = speed.toFixed(1); // 时间计算 文件>50MB触发

          if (evt.total > 52428800) {
            let restTime = ((evt.total - evt.loaded) / bspeed).toFixed(0); // 实时更新文件缓存区

            $('#timeRemainTh' + index).html(upldIconList[0] + restTime + 's');
            $('#timeRemainTh' + index).attr('title', '剩余时间');
          } // 实时更新文件缓存区


          $('#fileTh' + index).css('background-size', percentage + '%');
          $('#speedTh' + index).html('&nbsp; | &nbsp;' + upldIconList[1] + speed + Sunits);
        }

        function onAbort() {
          isAbort = 0; // 终止条件置零

          index = 0; // 请求终止后index也必须归零，因为中止未完成递归，若中止文件index>0则第二次上传请求无法发起

          onUpload = 0; // 上传标志位置0
        }

        function onSuccess() {
          // 插入编辑器操作
          let myiframe = document.getElementsByTagName('iframe')[1].contentDocument;
          let textArea = myiframe.getElementsByClassName('cke_show_borders');
          let constructor = '<p><a data-cke-saved-href="/meol/' + this.responseText + '" href="/meol/' + this.responseText + '">' + filelist[index].name + '</a></p>';
          $(textArea).append(constructor); // 处理缓存区操作

          let clipboard = new ClipboardJS('#filenameTH' + index); // 要用id做索引 否则会重复调用.on 但在清空后重新上传还是会重复调用T.T

          let fileURL = 'http://cc.bjtu.edu.cn:81/meol/' + this.responseText;
          $('#filenameTH' + index).attr("data-clipboard-text", fileURL);
          $('#filenameTH' + index).css('cursor', 'pointer');
          $('#fileindex' + index).html('<a>' + upldIconList[2] + '</a>');
          $('#fileindex' + index).attr('title', '[已上传]');
          $('#speedTh' + index).html('');
          $('#timeRemainTh' + index).remove();
          $('#fileTh' + index).css('background', '#ffffff');
          $('#fileTh' + index).css('font-color', '#e7e8e0');
          clipboard.on('success', function (evt) {
            alert('【' + $(evt.trigger).text() + '】文件链接已复制到剪切板');
            evt.clearSelection();
          }); // 递归操作

          index++;
          sendFileMsg();
        }

        function onError() {
          alert('Failed');
        }
      }
    });
  }

  function getSizeType(filelist) {
    let RtnsizeType = [];

    for (let item of filelist) {
      let sizeTypeTMP = {};

      if (item.size < 1024) {
        sizeTypeTMP.size = item.size.toFixed(2);
        sizeTypeTMP.type = 'B';
      } else if (item.size > 1024 && item.size < 1048576) {
        sizeTypeTMP.size = (item.size / 1024).toFixed(2);
        sizeTypeTMP.type = 'KB';
      } else if (item.size > 1048576 && item.size < 1073741824) {
        sizeTypeTMP.size = (item.size / 1048576).toFixed(2);
        sizeTypeTMP.type = 'MB';
      } else if (item.size > 1073741824) {
        alert('你选择了大于1GB的文件，服务器存储资源有限，建议选择其他传输方式。');
        sizeTypeTMP.size = (item.size / 1073741824).toFixed(2);
        sizeTypeTMP.type = 'GB';
      }

      RtnsizeType.push(sizeTypeTMP);
    }

    return RtnsizeType;
  }

  function getNameType(filelist) {
    // 文件名显示长度限制
    let nameType = [];
    let limit;

    for (let item of filelist) {
      let splitName = item.name.split('.'); // 预防文件名中含.的情况

      let newName = splitName[0];

      for (let i = 1; i < splitName.length - 1; i++) {
        newName = newName + '.' + splitName[i];
      }

      limit = isChina(newName); // 即时生成limit限制

      if (newName.length > limit) {
        // 有后缀超长文件
        newName = newName.slice(0, limit) + '... .' + splitName.pop();
      } else if (newName.length == 0) {
        // 无后缀文件
        newName = splitName[0];
      } else {
        // 默认去掉了后缀 把后缀加回来
        newName = newName + '.' + splitName.pop();
      }

      nameType.push(newName);
    }

    function isChina(str) {
      if (escape(str).indexOf("%u") < 0) {
        return 35; // 不包含中文
      } else {
        return 18; // 包含中文
      }
    }

    return nameType;
  }

  function getFileType(filelist) {
    // 文件图标类型
    let fileType = [];

    for (let item of filelist) {
      let fileTypeTMP = {};

      if (item.type.indexOf('image') != -1) {
        fileTypeTMP.icon = fileTypeIconList[1];
        fileTypeTMP.info = '[图像]';
      } else if (item.type.indexOf('zip') != -1) {
        fileTypeTMP.icon = fileTypeIconList[2];
        fileTypeTMP.info = '[压缩文件]';
      } else if (item.type.indexOf('video') != -1) {
        fileTypeTMP.icon = fileTypeIconList[3];
        fileTypeTMP.info = '[视频]';
      } else if (item.type.indexOf('officedocument') != -1) {
        fileTypeTMP.icon = fileTypeIconList[4];
        fileTypeTMP.info = '[文档]';
      } else if (item.type.indexOf('pdf') != -1) {
        fileTypeTMP.icon = fileTypeIconList[5];
        fileTypeTMP.info = '[文档]';
      } else {
        fileTypeTMP.icon = fileTypeIconList[0];
        fileTypeTMP.info = '[文件]';
      }

      fileType.push(fileTypeTMP);
    }

    return fileType;
  }

  function judgeOnceInPage() {
    if ($("script:contains('该作业不允许重复提交,确定提交作业吗？')").length != 0) {
      let newspan = '<span>（只能提交一次）</span>';
      $('span:contains("查看作业任务")').after(newspan);
      alert("注意，此作业只能提交一次，请检查无误后再提交！");
      return 1;
    } else return 0;
  }

  function getInfoList() {
    let initInfoList = $('.infolist');
    let initSubmits = $('.enter');
    let infoList = [];

    for (let i = 0; i < initInfoList.length; i++) {
      let infoTMP = {};
      infoTMP.id = initInfoList[i].getAttribute('href').split('=')[1];
      infoTMP.name = initInfoList[i].innerText;

      for (let j = 0; j < initSubmits.length; j++) {
        infoTMP.able = initSubmits[j].getAttribute('href').split('=')[1] == infoTMP.id;
        if (infoTMP.able) break;
      }

      infoList.push(infoTMP);
      appendOnceInfo(infoTMP.id);
      appendSubmitInfo(infoTMP.id);

      function appendOnceInfo(hwtid) {
        if (!infoTMP.able) {
          // 过期作业，不发请求
          return;
        }

        let url = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/write.jsp?hwtid=' + hwtid;
        let data = 'hwtid=' + hwtid;
        let xReq = new XMLHttpRequest();
        xReq.open('GET', url, false); // 注意，此处请求应当为同步请求 否则调用this拿到的数据是undefined

        xReq.addEventListener("load", onSuccess);
        xReq.send(data);

        function onSuccess() {
          let myResponse = this.responseText; // 检查是否只能提交一次

          if (myResponse.indexOf('该作业不允许重复提交,确定提交作业吗？') != -1) {
            let attentionIcon = '<a class="attentionIcon" title="此作业只允许提交一次" style="cursor:default;">' + infoIconList[5] + '</a>';
            $(".infolist[href='hwtask.view.jsp?hwtid=" + infoTMP.id + "']").before(attentionIcon);
          } else {
            let attentionIcon = '<a class="attentionIcon" title="此作业允许重复提交" style="cursor:default;">' + infoIconList[3] + '</a>';
            $(".infolist[href='hwtask.view.jsp?hwtid=" + infoTMP.id + "']").before(attentionIcon);
          }
        }
      }

      function appendSubmitInfo(hwtid) {
        if (!infoTMP.able) {
          // 过期作业，不发请求
          return;
        }

        let url = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/taskanswer.jsp?hwtid=' + hwtid;
        let data = 'hwtid=' + hwtid;
        let xReq = new XMLHttpRequest();
        xReq.responseType = "document";
        xReq.open('GET', url); // 此处请求应当为异步请求 用以接收text/html数据

        xReq.addEventListener("load", onSuccess);
        xReq.send(data);

        function onSuccess() {
          // 检查是否已经提交
          let myResponse = this.responseXML;
          let iptArea = $(myResponse).find("tr:contains('回答的内容')+tr>td>input");

          if (iptArea.length <= 0) {
            let submitIcon = '<a class="submitIcon" title="作业未提交" style="cursor:default;">' + infoIconList[4] + '</a>';
            $(".infolist[href='hwtask.view.jsp?hwtid=" + infoTMP.id + "']").before(submitIcon);
          } else {
            let submitIcon = '<a class="submitIcon" title="作业已提交" style="cursor:default;">' + infoIconList[6] + '</a>';
            $(".infolist[href='hwtask.view.jsp?hwtid=" + infoTMP.id + "']").before(submitIcon);
          }
        }
      }
    }

    return infoList;
  }

  function dateString2Object(dateString, toFormatted) {
    let year = dateString.split('年')[0];
    dateString = dateString.split('年')[1];
    let month = dateString.split('月')[0];
    dateString = dateString.split('月')[1];
    let day = dateString.split('日')[0];
    dateString = dateString.split('日')[1]; // 当天23:59:59为作业提交截止日期

    let rtnDate = new Date(year, month, day, 23, 59, 59);
    if (toFormatted == 1) return year + '-' + month + '-' + day;else return new Date(year, month - 1, day, 23, 59, 59);
  }

  function getReminder() {
    if (location.href.indexOf('main.jsp') >= 0 || location.href.indexOf('welcomepage/student/index.jsp') == -1) {
      // 只发welcome页的一次请求，在main或不在welcome都返回
      return;
    }

    let url = 'http://cc.bjtu.edu.cn:81/meol/welcomepage/student/interaction_reminder.jsp?';
    let xReq = new XMLHttpRequest();
    xReq.responseType = "document";
    xReq.open('GET', url, true); // 注意，此处请求应当为异步请求 用以接收text/html数据

    xReq.addEventListener("load", onSuccess);
    xReq.send();

    function onSuccess() {
      let reminderList = $(this.responseXML).find("li:contains('门课程有待提交作业')").find('ul>li');
      let courseTable = document.getElementsByClassName('courseList');
      let courseIdList = [];

      for (let i = 0; i < reminderList.length; i++) {
        // 1.主界面reminder标红 2.提取标红课程ID->courseIdList
        let nowID = $(reminderList[i]).find('a').attr('href').split('lid=')[1].split('&t=hw')[0];
        let nowCourse = $(courseTable).find("a[href*='" + nowID + "']");
        $(nowCourse).css('color', '#C00');
        courseIdList.push($(reminderList[i]).find('a').attr('href').split('lid=')[1].split('&t=hw')[0]);
      }

      let noteList = document.getElementsByClassName('notelist');
      $(noteList).find('.list>ul').hide();
      $(noteList).find('.more>a').hide();
      $(noteList).find('.list').append('<ul class="now"></ul>');
      $(noteList).find('.list').append('<h4 class="loading">作业列表加载中...</h4>');
      $(noteList).find('.more').prepend('<a class="scheduleToggleBtn" title="查看作业" style="font-weight: bold; cursor: pointer"><<查看作业&nbsp;&nbsp;</a>');
      $(noteList).find('.more').prepend('<a class="noticeToggleBtn" title="查看通知" style="font-weight: bold; cursor: pointer">查看通知>></a>');
      $(noteList).find('.more').prepend('<a class="sortToggleBtn" title="按课程/时间排序" style="font-weight: bold; cursor: pointer" sortStatus="0">#️⃣&nbsp;&nbsp;</a>');
      $(noteList).find('.list').css({
        "overflow": "auto",
        "height": "150px"
      });
      $(noteList).find(".list>ul[class='now']").css("padding-bottom", "35px");
      $(noteList).find('.scheduleToggleBtn').hide();
      $(noteList).find('.noticeToggleBtn').click(function () {
        $(noteList).find('.list>ul').toggle();
        $(noteList).find('.more>a').toggle();
      });
      $(noteList).find('.scheduleToggleBtn').click(function () {
        $(noteList).find('.list>ul').toggle();
        $(noteList).find('.more>a').toggle();
      });
      courseIdList.forEach(function (courseID) {
        // 1.访问课程页 onSuccess() => 2.访问当前课程作业界面 onSuccess() => 3.整理作业信息
        let thisURL = 'http://cc.bjtu.edu.cn:81/meol/jpk/course/layout/newpage/index.jsp?courseId=' + courseID;
        let thisXReq = new XMLHttpRequest();
        let thisData = 'courseId=' + courseID;
        thisXReq.open('GET', thisURL, false); // 此步须同步，否则只能取到[-1]的信息

        thisXReq.addEventListener("load", onSuccess);
        thisXReq.send(thisData); // 1.访问课程页

        function onSuccess() {
          let courseName = this.responseText.split('<title>网络课程—')[1].split('</title>')[0].trim();
          let baseURL = 'http://cc.bjtu.edu.cn:81/meol/common/hw/student/hwtask.jsp';
          let baseXReq = new XMLHttpRequest();
          baseXReq.responseType = 'document';
          baseXReq.open('GET', baseURL);
          baseXReq.send(); // 2.访问当前课程作业界面

          baseXReq.addEventListener("load", onSuccess);

          function onSuccess() {
            // 3.整理作业信息
            $(noteList).find(".list>h4[class='loading']").remove(); // 移除加载loading信息

            let myResponse = this.responseXML;
            let initInfoList = $(myResponse).find('.infolist');
            let initSubmits = $(myResponse).find('.enter');
            let initDate = $(myResponse).find("td[class!='align_c']+td");
            let infoList = [];

            for (let i = 0; i < initInfoList.length; i++) {
              let infoTMP = {};
              let dateString = initDate[i].innerText.split('\n')[0];
              infoTMP.courseID = courseID;
              infoTMP.courseName = courseName;
              infoTMP.hwtID = initInfoList[i].getAttribute('href').split('=')[1];
              infoTMP.hwtName = initInfoList[i].innerText.split('\n')[0];
              infoTMP.dateStr = dateString;
              infoTMP.dateObj = dateString2Object(dateString);
              infoTMP.dateStrF = dateString2Object(dateString, 1);

              for (let j = 0; j < initSubmits.length; j++) {
                infoTMP.able = initSubmits[j].getAttribute('href').split('=')[1] == infoTMP.hwtID;
                if (infoTMP.able) break;
              }

              infoList.push(infoTMP);
            }

            infoList.sort(function (a, b) {
              return new Date(a.dateObj) - new Date(b.dateObj); // 排序
            });
            let infoListToShow = infoList.filter(function (value) {
              // 只显示截止日期近一周的作业
              return value.dateObj.valueOf() > new Date().valueOf() && value.dateObj.valueOf() - new Date().valueOf() < 1296000000;
            });

            for (let value of infoListToShow) {
              $(noteList).find(".list>ul[class='now']").append('<li courseID="' + value.courseID + '"><a href="http://cc.bjtu.edu.cn:81/meol/common/hw/student/write.jsp?hwtid=' + value.hwtID + '" type="hwt" title="' + value.hwtName + '" target="_blank">' + value.hwtName + '</a><a href="http://cc.bjtu.edu.cn:81/meol/jpk/course/layout/newpage/index.jsp?courseId=' + value.courseID + '" target="_blank" type="course" style="background: none;">[' + value.courseName + ']</a><span class="date">' + value.dateStrF + '</span></li>');
            }

            if (courseIdList.indexOf(courseID) + 1 == courseIdList.length) {
              // 此次遍历为最后一次
              // 1.添加链接预访问事件监听
              $(noteList).find(".list>ul[class='now']>li").mouseenter(function () {
                let ulID = $(this).attr('courseID');
                let ulURL = 'http://cc.bjtu.edu.cn:81/meol/jpk/course/layout/newpage/index.jsp?courseId=' + ulID;
                let ulXReq = new XMLHttpRequest();
                let ulData = 'courseId=' + ulID;
                ulXReq.open('GET', ulURL, true);
                ulXReq.addEventListener("load", onSuccess);
                ulXReq.send(ulData);

                function onSuccess() {
                  return;
                }
              }); // 2.标红加粗插入时间提示

              let hwtList = $(noteList).find(".list>ul[class='now']>li>a[type='hwt']");
              let dateSpan = $(noteList).find(".list>ul[class='now']>li>span");

              for (let i = 0; i < dateSpan.length; i++) {
                let item = $(hwtList[i]);
                let itemTime = dateSpan[i].innerText.split('-');
                let thisStamp = new Date(itemTime[0], itemTime[1] - 1, itemTime[2], 23, 59, 59).valueOf();
                let nowStamp = new Date().valueOf();
                let diffStamp = thisStamp - nowStamp;

                if (diffStamp < 86400000) {
                  $(item).html('[今天截止]&nbsp;&nbsp;' + $(item).html()); // 小于24小时，当日截止

                  $(item).parent().attr('remaintime', '0');
                } else {
                  $(item).html('[还有' + parseInt(diffStamp / (1000 * 60 * 60 * 24)) + '天截止]&nbsp;' + $(item).html());
                  $(item).parent().attr('remaintime', parseInt(diffStamp / (1000 * 60 * 60 * 24)));
                }

                if (parseInt(diffStamp / (1000 * 60 * 60 * 24)) <= 3) {
                  // 时间戳差值小于三天则标红且加粗(ms)
                  $(item).attr('class', 'top');
                  $(item).next().attr('class', 'top');
                  $(item).css('font-weight', 'bold');
                  $(item).next().css('font-weight', 'bold');
                }
              } // 3.添加排序事件监听 默认按剩余时间排序


              $('.sortToggleBtn').click(function () {
                let liList = $(noteList).find(".list>ul[class='now']>li");

                if ($(this).attr('sortstatus') == 0) {
                  // 按课程名排序
                  let courses = liList.map(function () {
                    return $(this).attr('courseid');
                  });
                  sortDOM(liList, courses, 'courseid');
                  $(this).attr('sortstatus', '1');
                } else if ($(this).attr('sortstatus') == 1) {
                  // 按截止日期排序
                  let remaintimes = liList.map(function () {
                    return $(this).attr('remaintime');
                  });
                  sortDOM(liList, remaintimes, 'remaintime');
                  $(this).attr('sortstatus', '0');
                }
              });

              function sortDOM(liList, sortBy, sortName) {
                sortBy.sort(function (a, b) {
                  return a - b;
                });

                for (let i = 0; i < sortBy.length; i++) {
                  let value = sortBy[i];

                  for (let i = 0; i < liList.length; i++) {
                    let item = liList[i];

                    if ($(item).attr(sortName) == value) {
                      $(noteList).find(".list>ul[class='now']").append(item);
                    }
                  }
                }
              }

              let liList = $(noteList).find(".list>ul[class='now']>li");
              let remaintimes = liList.map(function () {
                return $(this).attr('remaintime');
              });
              sortDOM(liList, remaintimes, 'remaintime'); // 默认按时间排序
            }
          }
        }
      });
    }
  }

  function getResources() {
    // TODO: 批量下载课程资源功能
    if (location.href.indexOf('listview.jsp?') == -1) {
      return;
    }

    let fileLinks = [];

    for (let i = 0; i < $('tbody>tr').length; i++) {
      let href = $($('tbody>tr')[i]).find('td>a').attr('href');

      if (href && href.indexOf('listview.jsp?') != 0) {
        fileLinks.push('http://cc.bjtu.edu.cn:81/meol/common/script/download.jsp' + $($('tbody>tr')[i]).find('td>a').attr('href').split('download_preview.jsp')[1]);
      }
    }
  } // 页面加载完毕执行函数


  window.onload = function () {
    if ($("span:contains('查看作业任务')").length == 0) {
      // 判断是否在作业页面
      return;
    }

    let oBox = document.getElementById('inputDiv');
    let timer = null;

    document.ondragover = function () {
      clearTimeout(timer);
      timer = setTimeout(function () {
        // 文件放下后执行操作
        $('#p1').html('📁文件上传📝');
        $('#inputDiv').css('background-color', '#c6f062');
        $('#textShow').css('color', '#424d55');
      }, 200);
    }; // 进入子集的时候 会触发ondragover 频繁触发 不给ondrop机会


    oBox.ondragover = function () {
      return false;
    };

    oBox.ondragleave = function () {
      $('#p1').html('📌请将文件拖拽到此区域');
      $('#inputDiv').css('background-color', '#aad63d');
      $('#textShow').css('color', '#ffffff');
    };

    oBox.ondrop = function (ev) {
      $('#currentFile')[0].files = ev.dataTransfer.files;
      fileChangedByInput();
      return false;
    };
  }; // 列表信息增强与单词提交判断函数触发


  judgeOnceInPage();
  getInfoList();
  getReminder();
})();
/******/ })()
;