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tame QTKJ

at the end of with it.

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください。
// ==UserScript==
// @name        tame QTKJ
// @namespace   Vionlentmonkey
// @version     5.0.0
// @description at the end of with it.
// @author      someone

// @match       http://180.101.234.37:10013/sfxzwsxy/*
// @match       http://180.101.234.37:10014/sfxzwsxy/*
// @match       http://180.101.234.37:10016/sfxzwsxy/*

// @match       http://180.101.234.37:10018/unzipapp/project/ware/attach/*

// @require     https://openuserjs.org/src/libs/sizzle/GM_config.js

// @require     https://greasyfork.org/scripts/410150-addstyle/code/addStyle.js
// @require     https://greasyfork.org/scripts/410152-fakenavigators/code/fakeNavigators.js
// @require     https://greasyfork.org/scripts/425782-fetchelements/code/fetchElements.js
// @require     https://greasyfork.org/scripts/425790-multiopenclosetabs/code/multiOpenCloseTabs.js

// @require     https://greasyfork.org/scripts/395997-wsxy-windowtotab/code/wsxy_windowToTab.js
// @require     https://greasyfork.org/scripts/396054-wsxy-storagedata/code/wsxy_storageData.js

// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_openInTab
// @grant       GM_notification
// @grant       unsafeWindow
// @grant       window.close
// @grant       window.focus

// @run-at      document-start

// ==/UserScript==

const windowCSS = `
#Cfg {
  height: auto;
  background-color: lightblue;
}
#Cfg .reset_holder {
  float: left;
  position: relative;
  bottom: -1em;
}
#Cfg .saveclose_buttons {
  margin: 1em;
}
`;

/**
 * 打开设置选项
 */
const openCfg = () => {
  // 避免在包含框架的页面打开造成多个设置界面重叠
  if (window.top !== window.self) return;
  GM_config.open();
};

// https://github.com/sizzlemctwizzle/GM_config/wiki#using-an-element-instead-of-an-iframe
const frame = document.createElement('div');
window.addEventListener('load', () => {
  document.body.appendChild(frame);
});

GM_config.init({
  id: 'Cfg',
  title: '⚙个性化设置⚙',
  frame,
  fields: {
    loginName: {
      section: ['登录', '完整填写尝试自动登录'],
      label: '账号',
      labelPos: 'right',
      type: 'text',
      default: '',
    },
    pwd: {
      label: '密码',
      labelPos: 'right',
      type: 'password',
      default: '',
    },
    unlimited: {
      label: '无限尝试',
      labelPos: 'right',
      type: 'checkbox',
      default: false,
    },
    batch: {
      section: ['操作', '如不计时请自行调低参数'],
      label: '后台批量打开新标签页个数。疑似大于 6 无效。',
      labelPos: 'right',
      type: 'int',
      default: 3,
    },
    muted: {
      label: '静音播放',
      labelPos: 'right',
      type: 'checkbox',
      default: true,
    },
    debug: {
      section: ['开发者选项', '⚠随意开启,后果自负❗'],
      label: '调试',
      labelPos: 'right',
      type: 'checkbox',
      default: false,
    },
  },
  css: windowCSS,
  events: {
    save: () => {
      GM_config.close();
      // 服务器选择页面或登录页面自动刷新
      if (
        location.pathname.match(/\/sfxzwsxy\/?(serverSelect.jsp)?#?$/i) ||
        location.pathname.includes('index.jsp')
      ) {
        location.reload();
      }
    },
  },
});

const body = document.body || document.documentElement;

/**
 * 彩蛋:通关密语
 */
let passPhrase = false;
if (localStorage.getItem('debug') === 'true') {
  passPhrase = true;
}

/**
 * 创建 Debug 选项
 * @param {Element} parent_node
 */
const addDebugCheckbox = (parent_node) => {
  debug_input = document.createElement('input');
  debug_input.type = 'checkbox';
  debug_input.id = 'debug';
  if (localStorage.getItem('debug') === 'true') {
    debug_input.checked = true;
  } else {
    debug_input.checked = false;
  }
  debug_input.onclick = () => {
    localStorage.setItem('debug', `${document.getElementById('debug').checked}`);
    if (localStorage.getItem('debug') === 'true') {
      passPhrase = true;
    } else {
      passPhrase = false;
    }
  };
  parent_node.appendChild(debug_input);
};

/**
 * 创建设置按钮
 * @param {Element} parent_node
 */
const addSettingButton = (parent_node) => {
  setting_button = document.createElement('button');
  setting_button.id = 'setting';
  setting_button.textContent = '⚙个性化设置⚙';
  setting_button.onclick = openCfg;
  parent_node.appendChild(setting_button);
};

/**
 * 创建批量打开按钮
 * @param {Element} parent_node
 */
const addOpenButton = (parent_node) => {
  open_button = document.createElement('button');
  open_button.id = 'openTabs';
  open_button.textContent = `批量打开${GM_config.get('batch')}个课程📖`;
  open_button.onclick = openTrains;
  parent_node.appendChild(open_button);
};

/**
 * 从 QQ 等打开地址后会被加上奇葩后缀
 * http://180.101.234.37:10013/sfxzwsxy/#?tdsourcetag=s_pctim_aiomsg
 */
const uniformURLs = () => {
  const tracks = [
    // QQ
    '?tdsourcetag=s_pctim_aiomsg',
    // Weixin
    '?from=groupmessage',
    '&from=groupmessage',
    '?from=singlemessage',
    '&from=singlemessage',
    '?from=timeline',
    '&from=timeline',
    '/type/WeixinReadCount',
  ];
  for (const track of tracks) {
    if (!location.href.endsWith(track)) continue;
    location.href = location.href.replace(track, '');
  }
  /**
   * 20210830更新后似乎不再存在此问题
   * 若不统一到对应 IP 上,打开课程等页面似乎会出错
   *
   * // @match       http://218-94-1-181.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/*
   * // @match       http://218-94-1-179.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/*
   * // @match       http://218-94-1-175.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/*
   *
   * http://218-94-1-181.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/#?tdsourcetag=s_pctim_aiomsg
   * http://218-94-1-179.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/#?tdsourcetag=s_pctim_aiomsg
   * http://218-94-1-175.sft.ipv6.jiangsu.gov.cn:8087/sfxzwsxy/#?tdsourcetag=s_pctim_aiomsg
   */
  // if (!location.host.endsWith('.sft.ipv6.jiangsu.gov.cn:8087')) return;
  // location.host = location.host.replace('.sft.ipv6.jiangsu.gov.cn', '').split('-').join('.');
};
uniformURLs();

// http://180.101.234.37:10013/sfxzwsxy/#
if (location.pathname.match(/\/sfxzwsxy\/?(serverSelect.jsp)?#?$/i)) {
  /**
   * 自动选择最空服务器
   */
  const autoServerSelect = () => {
    const servers = document.getElementsByClassName('num');
    if (servers.length === 0) return;
    let servers_str = [];
    let notificationText = '';
    for (const s of servers) {
      servers_str.push(s.textContent);
      notificationText += `服务器${servers_str.length}使用程度:${s.textContent}%\n`;
    }
    // 将字符串元素转为数字
    const servers_num = servers_str.map(Number);
    let servers_num2 = servers_num.slice();
    // 全满则自动刷新,否则选择最空服务器
    // 20210308 第二服务器宕机,引发此处逻辑错误,有必要重新整理
    const mostFree = Math.min(...servers_num);
    notificationText += `最空服务器使用程度:${mostFree}%\n`;
    servers_num2.splice(servers_num2.indexOf(mostFree), 1);
    const secondFree = Math.min(...servers_num2);
    notificationText += `第二空服务器使用程度:${secondFree}%\n`;
    const busiest = Math.max(...servers_num);
    notificationText += `最忙服务器使用程度:${busiest}%\n`;
    if (mostFree === 100) {
      if (!GM_config.get('unlimited')) return;
      // https://developer.mozilla.org/docs/Web/API/Location/reload
      location.reload();
    } else if (mostFree === 0 && secondFree > 0 && secondFree < 100) {
      // 临时处理只有一个服务器坏了的情况
      document.getElementsByClassName('entrybtn')[servers_num.indexOf(secondFree)].click();
    } else {
      document.getElementsByClassName('entrybtn')[servers_num.indexOf(mostFree)].click();
    }
    GM_notification(
      notificationText,
      '自动选择相对空闲的服务器!',
      'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
    );
  };
  if (GM_config.get('loginName') && GM_config.get('pwd')) {
    setInterval(autoServerSelect, 1000);
  } else {
    // 若更早载入可能导致设置界面偏在右下角
    window.addEventListener('load', () => {
      addSettingButton(document.getElementsByClassName('title')[0]);
      // 因必要信息不全,自动打开设置界面
      openCfg();
    });
  }
}

// 尝试自动登录
if (location.pathname.includes('index.jsp')) {
  /**
   * 在原函数的基础上,去掉验证码识别,去除 isBlank 函数依赖
   */
  const check = () => {
    if (document.getElementById('loginName').value === '') {
      alert('请输入用户名');
      document.getElementById('loginName').focus();
      return;
    }
    if (document.getElementById('pwd').value === '') {
      alert('请输入密码');
      document.getElementById('pwd').focus();
      return;
    }
    document.getElementById('form1').submit();
  };

  /**
   * 去除登陆验证码校验
   * 曾使用 OCR 识别法,参考了 https://www.cnblogs.com/ziyunfei/archive/2012/10/05/2710349.html 但准确度有限。
   */
  const autoLogin = () => {
    // 重新绑定点击事件
    document.getElementById('Submit').onclick = check;
    // 移除验证码并提示
    document.getElementById('verifyCode').remove();
    document.getElementById('imgCode').value = '已去除验证码可直接登录';
    // 以下尝试自动登录
    document.getElementById('loginName').value = GM_config.get('loginName'); // 写入预先设置的用户名
    document.getElementById('pwd').value = GM_config.get('pwd'); // 写入预先设置的密码
    // 自动获取用户名密码输入框焦点
    if (document.getElementById('loginName').value === '') {
      document.getElementById('loginName').focus();
    } else if (document.getElementById('pwd').value === '') {
      document.getElementById('pwd').focus();
    } else {
      // 用户名密码均已填写时才自动登录
      document.getElementById('Submit').click();
    }
  };

  document.addEventListener('DOMContentLoaded', () => {
    autoLogin();
  });

  // 进不去就刷新重来。GM_notification 的消息驻留事件为 15 秒。
  window.addEventListener('load', () => {
    setTimeout(() => {
      location.assign(`${location.origin}/sfxzwsxy/serverSelect.jsp`);
    }, 15500);
  });
}

// 暴力覆盖登录时触发的 alert 函数
if (location.pathname.includes('login.jsp') || location.pathname.includes('index.jsp')) {
  unsafeWindow.alert = (message) => {
    console.log(message);
    if (message === '密码错误,请重新输入!') {
      GM_notification(
        `${message}\n15 秒后重设。`,
        'Alert: ❌',
        'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
      );
      GM_config.set('pwd', '');
      GM_config.save();
    } else if (message === '该用户名不存在或已被删除,请重新输入!') {
      // 可能是用户名输入错误;可能是尚未输入用户名就触发登录事件;可能是服务器过于拥堵。
      GM_notification(
        `${message}\n该提示有多种可能:\n若服务器空闲则大概率为用户名设置错误;\n若服务器拥堵则很可能为系统问题。\n点击🖱本消息清除已设置的用户名。\n否则将 15 秒一次循环♻重试。`,
        'Alert',
        'https://www.skynj.com/theme/theme_443/images/sinosoft.ico',
        () => {
          if (!GM_config.get('loginName')) return;
          GM_config.set('loginName', '');
          GM_config.save();
        }
      );
    } else {
      GM_notification(
        message,
        'Alert',
        'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
      );
    }
  };
}

// 仅在主页生效:课程播放内嵌的 iframe 网址以 index.html 结尾需要规避
if (location.pathname.includes('index.html') && window.top === window.self) {
  // 修复页面过长无法完整显示的 Bug; 隐藏 密码修改提示 和 每日一题
  const css = `
  html[style="overflow: hidden;"] {
    overflow: visible !important;
  }
  #layui-layer1, #layui-layer-shade1, #layui-layer2, #layui-layer-shade2 {
    display: none !important;
  }
  `;
  addStyle(css);
  /**
   * 判断是否已经完成学年任务并处理
   */
  const isFinish = () => {
    // 主页直接获取页面值会快不少,避免与 iframe 同时抓取存储远程数据造成双重阻塞
    // 规定需达到的总学时
    const total_hour = Number(document.getElementById('totalHour').textContent);
    // 规定需达到的必修学时
    const required_hour = Number(document.getElementById('requiredHour').textContent);
    // 规定需达到的总学分
    const required_credit = Number(document.getElementById('requiredCredit').textContent);
    // 用户已获得的总学时
    const user_total_hour = Number(document.getElementById('userTotalHour').textContent);
    // 用户已获得的必修学时
    const user_required_hour = Number(document.getElementById('userRequiredHour').textContent);
    // 用户已获得的总学分
    const user_required_credit = Number(document.getElementById('userRequiredCredit').textContent);
    let mainframeSrc = document.getElementById('mainFrame').src;
    if (!mainframeSrc.includes('homepage.jsp')) {
      // 部分账号登录后显示“人员信息”界面,需要自动跳转到“首页导航”
      document.querySelector('a[onclick*="homepage.jsp"]').click();
      location.reload();
    } else if (
      user_total_hour < total_hour ||
      user_required_hour < required_hour ||
      user_required_credit < required_credit
    ) {
      // 收起导航,否则插入的批量打开按钮大概率无法在首屏显示。
      if (document.querySelectorAll('a[class="cospull"]').length === 1) {
        document.querySelector('a[class="cospull"]').click();
      }
      GM_notification(
        `本学年任务尚未完成:`,
        '',
        'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
      );
      // 长时间不动会被弹出,故 30 分钟刷新一次,为非全自动模式提供
      setTimeout(() => location.reload(), 1800000);
      if (passPhrase) {
        // 打开 iframe
        const iframeClose = GM_openInTab(mainframeSrc, true);
        // 以防万一不能联动关闭,则 28 分钟自动强行关闭
        setTimeout(iframeClose.close, 1680000);
        // iframe 被关闭则自动刷新主页面
        iframeClose.onclose = () => location.reload();
      }
      if (user_total_hour < total_hour) {
        GM_notification(
          `总学时差:${(total_hour - user_total_hour).toFixed(1)}`,
          '',
          'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
        );
      }
      if (user_required_hour < required_hour) {
        GM_notification(
          `必修学时差:${(required_hour - user_required_hour).toFixed(1)}`,
          '',
          'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
        );
      }
      if (user_required_credit < required_credit) {
        GM_notification(
          `总学分差:${required_credit - user_required_credit}`,
          '',
          'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
        );
      }
    } else {
      GM_notification(
        `本学年任务已经完成`,
        '',
        'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
      );
    }
  };

  window.addEventListener('DOMContentLoaded', () => {
    // 在顶部⚙齿轮下用户名后添加设置按钮。
    addSettingButton(document.getElementsByClassName('selexit-li1')[0]);
    isFinish();
    // 三管齐下避免误开启
    if (GM_config.get('unlimited') && GM_config.get('muted') && GM_config.get('debug')) {
      addDebugCheckbox(document.getElementsByClassName('topbar')[0]);
      localStorage.setItem('debug', `${document.getElementById('debug').checked}`);
    } else {
      // 避免关闭选项后还保留数据
      localStorage.removeItem('debug');
    }
  });
}

// 首页培训课程 iframe
if (location.pathname.includes('homepage.jsp')) {
  /**
   * 自动报名高学分课程。2020 年初,高于 1 学分的有且仅有 20 门 3 学分课程。
   * @param {Array} waitCourseInfo
   */
  const autoSignupMaxCredit = async (waitCourseInfo) => {
    // 需要 iframe 提升才会执行
    if (window.top !== window.self) return;
    const courses = document.querySelectorAll('#requiredCourseTable .course');
    for (const w of waitCourseInfo) {
      /**
       * 学分高且未报名
       * 取消报名的也有 apply_pk,不能作为判断依据
       * 但没有进度点数 jdpoint
       */
      if (w.courseCredit <= 1 || w.jdpoint) continue;
      console.log(w.course_name);
      for (const c of courses) {
        const coursePk = Number(c.getElementsByClassName('coursePk')[0].textContent);
        if (coursePk !== w.course_pk) continue;
        c.click();
        const btn = document.getElementsByClassName('layui-layer-btn0');
        if (btn.length !== 1) continue;
        btn[0].click();
      }
    }
  };

  /**
   * 自动报名高学时课程
   * @param {Array} waitCourseInfo
   */
  const autoSignupMaxTime = async (waitCourseInfo) => {
    // 需要 iframe 提升才会执行
    if (window.top !== window.self) return;
    // 存储所有未报名课程的课时和对应编号
    let timesMap = new Map();
    for (const w of waitCourseInfo) {
      // 报名后等于零,undefined 代表未报名
      if (w.jdpoint !== undefined) continue;
      timesMap.set(w.courseTime, w.course_pk);
    }
    const timesArray = [...timesMap.keys()];
    const longest = Math.max(...timesArray);
    console.log(`+${longest}h`);
    const maxTimeCourse_pk = timesMap.get(longest);
    const courses = document.querySelectorAll('#requiredCourseTable .course');
    for (const c of courses) {
      const coursePk = Number(c.getElementsByClassName('coursePk')[0].textContent);
      if (coursePk !== maxTimeCourse_pk) continue;
      c.click();
      const btn = document.getElementsByClassName('layui-layer-btn0');
      if (btn.length !== 1) continue;
      btn[0].click();
    }
  };

  /**
   * 自动打开考试
   * @param {NodeIterator} exams
   */
  const autoOpenExam = (exams) => {
    const getUrlFunc = (e) => {
      const examURL = location.origin + '/sfxzwsxy/' + e.getAttribute('onclick').split("'")[1];
      return examURL;
    };
    const parentTabFunc = () => {
      window.close();
    };
    multiOpenCloseTabs(exams, getUrlFunc, true, 60000, parentTabFunc);
  };

  /**
   * 自动打开待学习课程
   * @param {Array} waitCourseInfo
   */
  const autoOpenTrain = async (waitCourseInfo) => {
    const getTrainUrlFunc = (w) => {
      const courses = document.querySelectorAll('#requiredCourseTable .course');
      for (const c of courses) {
        const applyPk = Number(c.getElementsByClassName('applyPk')[0].textContent);
        const jdjs = c.getElementsByClassName('jdjs')[0].textContent; // 完成进度定性
        // 未报名课程 applyPk === '',取消报名的课程却能直接获取 applyPk,可能不适合使用 for length++ 循环
        if (jdjs !== '完成进度') continue;
        if (w.apply_pk !== applyPk) continue;
        const trainURL =
          location.origin +
          '/sfxzwsxy/jypxks/modules/train/ware/course_ware_view.jsp?applyPk=' +
          applyPk +
          '&courseType=1';
        return trainURL;
      }
    };
    const parentTrainTabFunc = () => {
      window.close();
    };
    await multiOpenCloseTabs(
      waitCourseInfo,
      getTrainUrlFunc,
      true,
      1500000,
      parentTrainTabFunc,
      GM_config.get('batch')
    );
    console.log(`已尝试批量打开${GM_config.get('batch')}个课程`);
  };

  /**
   * 自动学习的主函数
   * @param {NodeIterator} exams
   * @param {Array} waitCourseInfo
   */
  const autoLearn = async (exams, waitCourseInfo) => {
    if (window.top !== window.self) return;
    // 30 分钟刷新一次
    setInterval(() => {
      location.reload();
    }, 1800000);
    const total_hour = Number(localStorage.getItem('total_hour')); //规定需达到的总学时
    const required_hour = Number(localStorage.getItem('required_hour')); //规定需达到的必修学时
    const required_credit = Number(localStorage.getItem('required_credit')); //规定需达到的总学分
    const user_total_hour = Number(localStorage.getItem('user_total_hour')); //用户已获得的总学时
    const user_required_hour = Number(localStorage.getItem('user_required_hour')); //用户已获得的必修学时
    const user_required_credit = Number(localStorage.getItem('user_required_credit')); //用户已获得的总学分

    console.log(`已获得:必修学时:${user_required_hour},学分:${user_required_credit}`);
    // 判断是否已完成。首次在新标签页打开本页显然是未完成,但刷新后可能进入已完成状态。
    if (
      user_total_hour >= total_hour &&
      user_required_hour >= required_hour &&
      user_required_credit >= required_credit
    ) {
      console.log(`本学年任务已经完成`);
      return;
    } else {
      // 初始化预期学时/学分为已得值
      let pendingCredit = user_required_credit;
      let pendingTime = user_total_hour;
      // 向预期学时/学分添加已报名课程数据
      for (w of waitCourseInfo) {
        // jdpoint 保证已报名,否则无法处理取消报名的问题
        if (w.jdpoint >= 0) {
          pendingCredit += w.courseCredit;
          pendingTime += w.courseTime;
        }
      }
      if (user_required_credit < required_credit && exams.length > 0) {
        console.log('学分未满,有待考试课程');
        autoOpenExam(exams);
        // 以防万一不能自动关闭,则 1 分钟后考完关闭,1.5 分钟后刷新
        setTimeout(() => {
          location.reload();
        }, 90000);
      } else if (pendingTime < total_hour) {
        console.log(
          `已报名(不含待考试课程):必修学时:${pendingTime.toFixed(
            1
          )},学分:${pendingCredit},继续报名。`
        );
        autoSignupMaxTime(waitCourseInfo);
      } else if (pendingTime >= total_hour && pendingCredit < required_credit) {
        // 因为全部学习必修课,出现本状况可能很小,暂不处理
        console.log(
          `已报名(不含待考试课程):必修学时:${pendingTime.toFixed(
            1
          )},学分:${pendingCredit},有待处理。`
        );
      } else if (pendingTime >= total_hour && pendingCredit >= required_credit) {
        console.log(
          `已报名(不含待考试课程):必修学时:${pendingTime.toFixed(
            1
          )},学分:${pendingCredit},已达预期。`
        );
        if (user_required_hour < total_hour) {
          console.log('学时未满,自动打开已报名课程,将定时关闭。');
          autoOpenTrain(waitCourseInfo);
        }
      }
    }
  };

  window.addEventListener('load', async () => {
    // 第一页 #courseExam1,第二页 #courseExam2,依此类推。
    const exams = document.querySelectorAll('div[id^="courseExam"] > a[title]');
    // 先将本地执行的非阻塞函数并发启动
    Promise.all([
      // 插入批量打开按钮
      addOpenButton(document.getElementsByClassName('calschous')[0]),
      // 新标签页打开考试
      recoverExamList(exams),
      // 新标签页打开题库
      openKnowledge(),
    ]);
    // 每次载入均阻塞获取数据。
    await Promise.all([
      await storageUserData(),
      await storageCourseData(),
      await storageCourseInfo(),
    ]);
    // 获取待考试数据后才能添加答案链接。
    const exam_courses = JSON.parse(localStorage.getItem('exam_courses'));
    const waitCourseInfo = JSON.parse(localStorage.getItem('waitCourseInfo'));
    addAnswer4ExamList(exams, exam_courses);
    GM_notification(
      '准备就绪✅',
      'Fetch & Storage',
      'https://www.skynj.com/theme/theme_443/images/sinosoft.ico'
    );
    passPhrase ? autoLearn(exams, waitCourseInfo) : autoSignupMaxCredit(waitCourseInfo);
  });
}

// 培训课程查询 iframe
if (location.pathname.includes('course_query.jsp')) {
  // 保证翻页生效
  const document_observer = new MutationObserver(() => {
    inquireList();
    // 插入批量打开课程按钮
    if (
      document.getElementsByClassName('px-tits').length === 1 &&
      // 防止多次插入
      !document.getElementById('openTabs')
    ) {
      addOpenButton(document.getElementsByClassName('px-tits')[0]);
    }
  });
  document_observer.observe(body, {
    childList: true,
    subtree: true,
  });
}

// 培训课程查询 - 查看 - 题干 iframe
if (
  // 点击 “下一页” 或 “上一页” 后 iframe 实际地址会去除 .jsp 之后的尾巴
  location.pathname.includes('subject_list.jsp')
) {
  // 清理“题干”链接
  document.addEventListener('DOMContentLoaded', () => {
    viewSubject();
  });
}

if (location.pathname === '/sfxzwsxy/jypxks/modules/train/ware/course_ware_view.jsp') {
  const receiveMessage = (event) => {
    const data = event.data;
    const origin = event.origin;
    if (data === 'active this tab' && origin === 'http://180.101.234.37:10018') {
      window.focus();
    }
  };
  window.addEventListener('message', receiveMessage, false);
}

// 课程视频播放 跨域 iframe
if (
  location.href.startsWith('http://180.101.234.37:10018/unzipapp/project/ware/attach/') &&
  !location.href.endsWith('.mp4')
) {
  // 旧播放器在 Windows 下要求 Flash,新播放器不兼容苹果系列。
  fakeUA('Linux');
  /**
   * 使三类播放器均自动播放
   * 旧版本播放器能否成功调用 HTML5 似乎是玄学问题,检测不到 HTML5 播放器则刷新。
   */
  const autoPlay = () => {
    // 自动从课程封面进入播放页面
    if (document.querySelector('img[src="courseware/iconImg/z3.png"]')) {
      document.querySelector('img[src="courseware/iconImg/z3.png"]').click();
    }

    // 学习进度超过 90% 和部分报错会以 alert 弹出。
    unsafeWindow.alert = (message) => {
      GM_notification(message, 'Alert');
      console.log(message);
    };
    // 新原生 html5 播放器
    const videoControlPanel = document.getElementsByClassName('videoControlPanel');
    // 新播放器
    const video_media = document.getElementById('video_media');
    // 旧播放器
    const html5Player = document.getElementById('course_player5');

    // iframe 无法激活 mainframe,新版 Violentmonkey 需要使用 top.postMessage 通信
    // https://developer.mozilla.org/docs/Web/API/Window/postMessage
    if (!sessionStorage.getItem('active this tab')) {
      if (videoControlPanel || video_media || html5Player) {
        window.top.postMessage('active this tab', '*');
        sessionStorage.setItem('active this tab', true);
      }
    }

    if (video_media) {
      // console.info('video_media');
      /**
       * 新播放器是否继续学习对话框调用 confirm,阻塞脚本运行。
       * 测试例:http://180.101.234.37:10013/sfxzwsxy/jypxks/modules/train/ware/course_ware_view.jsp?applyPk=3063755&courseType=1
       */
      unsafeWindow.confirm = (message) => {
        if (message === '是否继续学习?') {
          console.log(message);
          return true;
        } else {
          GM_notification(message, 'Confirm');
          console.log(message);
          // 新旧播放器统一从头播放重新来过
          return false;
        }
      };
      /**
       * 静音模式下自动播放无需用户授权
       * https://developer.mozilla.org/docs/Web/Media/Autoplay_guide#Autoplay_availability
       */
      if (GM_config.get('muted')) {
        video_media.querySelector('video').muted = true;
      }
      /**
       * https://developer.mozilla.org/docs/Web/Guide/Events/Media_events
       * 此处不支持用 .next(clearInterval(...))
       */
      video_media.querySelector('video').play();
    } else if (html5Player) {
      // console.info('html5Player');
      if (GM_config.get('muted')) {
        html5Player.muted = true;
      }
      // 旧播放器是否继续学习对话框
      if (document.getElementById('cancel')) {
        //document.getElementById('confirm').click(); // 继续学习;可能需要多次重复才能完成该课程。
        document.getElementById('cancel').click(); // 大侠还请重新来过
      }
      // 旧播放器自动做题
      const ques = document.querySelectorAll('div.option > label > input[name="que"]');
      if (ques.length > 0) {
        // 兼容多选题
        if (ques.length > 1) {
          ques[1].click();
        }
        ques[0].click();
        document.getElementsByClassName('button')[0].click(); // 提交
        // 下一题
        if (document.getElementsByClassName('button_xia').length === 1) {
          document.getElementsByClassName('button_xia')[0].click();
        }
        // 完成
        if (document.getElementsByClassName('button_wan').length === 1) {
          document.getElementsByClassName('button_wan')[0].click();
        }
      }
      // 此处支持 .next(clearInterval(...)),但不取消可以保证持续播放,即使用户点击页面也不影响。
      html5Player.play();
    } else if (videoControlPanel.length === 1) {
      // console.info('videoControlPanel');
      document.querySelector('video').muted = true;
      document.querySelector('video').play();
    } else if (location.href.endsWith('.mp4')) {
      console.info(location.href);
      clearInterval(autoPlayInterval);
    } else {
      console.info(location.href);
      // location.reload();
    }
  };
  // 使用 MutationObserver 会导致无限刷新,对插入按钮函数的参数报错。
  const autoPlayInterval = setInterval(autoPlay, 1000);

  /**
   * 创建新标签打开视频文件按钮
   * @param {Element} parent_node
   */
  const addOpenInTabButton = (parent_node) => {
    open_button = document.createElement('button');
    open_button.id = 'openInTab';
    open_button.textContent = `新标签页打开视频▶`;
    parent_node.appendChild(open_button);
  };

  window.addEventListener('load', () => {
    if (document.getElementById('course_player')) {
      // 屏蔽透明gif层,避免遮挡所添加的按钮
      addStyle('.sp-zz-l {display: none !important;}');
      addOpenInTabButton(document.getElementById('course_player'));
      document.getElementById('openInTab').addEventListener('click', () => {
        const url = document.getElementById('course_player5').src;
        GM_openInTab(url);
      });
    } else if (document.getElementsByClassName('mVideo').length === 1) {
      // document.getElementById('video_media') 延迟产生
      // 丑
      addOpenInTabButton(document.querySelectorAll('tr.th')[0]);
      document.getElementById('openInTab').addEventListener('click', () => {
        const url = document.querySelector('video').src;
        GM_openInTab(url);
      });
    } else if (document.getElementsByClassName('videoControlPanel').length === 1) {
      // 丑
      addOpenInTabButton(document.getElementsByClassName('menuTitle')[0]);
      document.getElementById('openInTab').addEventListener('click', () => {
        const url = document.querySelector('video').src;
        GM_openInTab(url);
      });
    }
  });
}

// 在线考试 - 课程考试 iframe
if (location.pathname.includes('course_exam_list.jsp')) {
  // 清理“参加考试”链接,新标签页打开考试及答案。
  document.addEventListener('DOMContentLoaded', () => {
    const exams = document.querySelectorAll('a[href="#"][onclick^=openWindowFullScreen]');
    const exam_courses = JSON.parse(localStorage.getItem('exam_courses'));
    recoverExamList(exams);
    addAnswer4ExamList(exams, exam_courses);
  });
}

// 考试
if (location.pathname.includes('course_examine_test.jsp')) {
  // if (!passPhrase) return;
  /**
   * 获取各题答案。一次性数据,无存储必要
   * @param {String | Number} subjectPk
   */
  const getSubjectData = async (subjectPk) => {
    const subjectURL = `${location.origin}/sfxzwsxy//jypxks/modules/train/course/subject_view.jsp?subjectPk=${subjectPk}`;
    const elements = await fetchElements(subjectURL, { body: 'blob', method: 'POST' });
    // https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Map
    let subjectDataMap = new Map();
    // 题目类型:判断题/单选题/多选题
    const questionType = elements
      .querySelectorAll('table')[0]
      .querySelectorAll('tr')[0]
      .querySelectorAll('td')[1]
      .textContent.trim();
    subjectDataMap.set('questionType', questionType);
    // 题目内容:string
    const questionContent = elements
      .querySelectorAll('table')[0]
      .querySelectorAll('tr')[1]
      .querySelectorAll('td')[1]
      .textContent.trim();
    // 判断题答案,选择题此处为空值
    const judgementAnswer = elements
      .querySelectorAll('table')[0]
      .querySelectorAll('tr')[2]
      .querySelectorAll('td')[1]
      .textContent.trim();
    subjectDataMap.set('questionContent', questionContent);

    if (questionType === '判断题') {
      subjectDataMap.set('judgementAnswer', judgementAnswer);
    } else {
      // 选择题答案表格第一行为标题:序号 	 选项内容 	 类型 	 是否为标准答案
      // 此表格中答案选项与试题选项顺序打乱,序号没有意义,类型已获取也没有意义
      const options = elements.querySelectorAll('table')[1].querySelectorAll('tr');
      for (const option of options) {
        const optionContent = option.querySelectorAll('td')[1].textContent.trim();
        const optionAnswer = option.querySelectorAll('td')[3].textContent.trim();
        if (optionContent === '选项内容' || optionAnswer === '是否为标准答案') continue;
        subjectDataMap.set(optionContent, optionAnswer);
      }
    }
    return subjectDataMap;
  };

  /**
   * 打开考卷后自动答题交卷
   */
  const autoExamineTest = async () => {
    // 本考试所有试题
    const topics = document.getElementsByClassName('topic-tms');
    for await (const topic of topics) {
      console.info(topic);
      // 题号
      const pkid = topic.querySelector('a[pkid]').getAttribute('pkid');
      // 本题答案
      const subjectDataMap = await getSubjectData(pkid);
      // 本题选项
      const options = topic.querySelectorAll('.tms-Right-wrong > p > a');
      for (const option of options) {
        const optionText = option.textContent.trim();
        if (subjectDataMap.get('questionType') === '判断题') {
          if (option.textContent.trim() !== subjectDataMap.get('judgementAnswer')) continue;
          option.click();
        } else {
          // 选择题选项内容带着序号与空格,如“A ”,故获取第三个字符开始的子串
          if (subjectDataMap.get(optionText.substring(2)) !== '是') continue;
          option.click();
        }
      }
    }
    // 交卷
    if (document.getElementsByClassName('subline _submit').length === 1) {
      document.getElementsByClassName('subline _submit')[0].click();
    }
    // 确认
    if (document.getElementsByClassName('layui-layer-btn0').length === 1) {
      document.getElementsByClassName('layui-layer-btn0')[0].click();
    }
  };

  // 更新服务器后如果大批量打开课程可能载入及其缓慢,原有的等待页面载入后执行的判断失效。
  const autoExamInterval = setInterval(() => {
    autoExamineTest();
    clearInterval(autoExamInterval);
  }, 1000);
}