// ==UserScript==
// @name        [归档] 上海市大学生安全教育在线 - 自动答题（在线题库版）
// @description 可处理正式考试，顺便去除各种限制。
// @version     1
// @namespace   UnKnown
// @author      UnKnown
// @match       http://www.halnedu.com/pcexam/test/start*
// @require     https://greasyfork.org/scripts/383541.js
// @grant       none
// @run-at      document-end
// ==/UserScript==
/* TODO:
模糊匹配
匹配时去除题目名称或答案内容中的中英文括号等符号
选择题按答案内容而非 ABCD 匹配
对于自动答题失败的题目：
输出可供直接搜索的、去除中英文括号与空格的文本
搞个搜索答案按钮？点击后跳转到搜索引擎
分类统计自动答题失败的题目数量
无失败题目时，输出表示成功的日志
*/
// 解除各种限制
(function () {
document.oncontextmenu = null;
document.onselectstart = null;
document.onkeydown     = null;
document.oncopy        = null;
})();
// 准备待答题目
// 序号： ( 一 OR 二位十进制数字 ) + ( 中文逗号 OR ( 英文句点 + 空格 ) )
const getQuestionName =
aQuestionNodeList => Array.from(aQuestionNodeList).map(
aQuestionDiv => aQuestionDiv.querySelector('h1').textContent
.replace(/^\d{1,2}(，|\. |\.)/, "") // 去除题目序号
.replace(/\s/g, "")                 // 去除空白字符
);
var questionAll = document.querySelectorAll('.question');
var questionNameAll = getQuestionName(questionAll);
/*
1. True or False
2. Single Choice Question
3. Multiple Choice Question
*/
// Questions' Elements
const [ToF, SCQ, MCQ] = ["q1", "q2", "q3"].map(
qn => document.getElementById(qn)
);
// Questions' NodeLists
var [ToFQuestionAll, SCQQuestionAll, MCQQuestionAll]
= [ToF, SCQ, MCQ].map(
questionDiv => questionDiv.querySelectorAll('.question')
);
// Question names' Arrays
var ToFQuestionNameAll = getQuestionName(ToFQuestionAll);
var SCQQuestionNameAll = getQuestionName(SCQQuestionAll);
var MCQQuestionNameAll = getQuestionName(MCQQuestionAll);
// Uncheck all checked checkbox under a div
function unselect(aDiv) {
aDiv.querySelectorAll('.active').forEach(aSelected => {
aSelected.classList.remove("active");
aSelected.querySelector('input').checked = false;
});
}
// Uncheck all checked checkbox in Multiple Choice Question first
// in case of duplicated click
if (MCQ.querySelector('.active') !== null) unselect(MCQ);
// ! function below will only run after the file loaded
// AL === AnswerLib
function ToFQuestionFiller(theALMap) {
ToFQuestionNameAll.forEach((ToFQuestionName, index) => {
var answer = theALMap.get(ToFQuestionName);
var questionDiv = ToFQuestionAll[index];
try {
if (answer === undefined) {
throw "未找到第" + (index + 1) + "道判断题的答案，题目开头为：" + ToFQuestionName.slice(0, 50);
} else if ((answer === "正确")) {
questionDiv.querySelector('input[value="1"]').click();
} else if ((answer === "错误")) {
questionDiv.querySelector('input[value="0"]').click();
} else {
throw "第" + (index + 1) + "道判断题的答案数据有误，题目开头为：" + ToFQuestionName.slice(0, 50);
}
} catch (e) { console.log(e); }
});
}
// Answer String > Verify > Answer Element > click
function SCQQuestionFiller(theALMap) {
SCQQuestionNameAll.forEach((SCQQuestionName, index) => {
var answer = theALMap.get(SCQQuestionName);
var questionDiv = SCQQuestionAll[index];
try {
if (answer === undefined) {
throw "未找到第" + (index + 1) + "道单选题的答案，题目开头为：" + SCQQuestionName.slice(0, 50);
} else {
var answerKey = answer.charAt(0); // 目前仅取答案首个字符（ABCD），不判断答案内容
if (["A", "B", "C", "D"].includes(answerKey)) {
questionDiv.querySelector('input[value="' + answerKey + '"]').click();
} else {
throw "第" + (index + 1) + "道单选题的答案数据有误，题目开头为：" + SCQQuestionName.slice(0, 50);
}
}
} catch (e) { console.log(e); }
});
}
// Answer String > Answer Array > Verify > Answer Element Array > click
function MCQQuestionFiller(theALMap) {
MCQQuestionNameAll.forEach((MCQQuestionName, index) => {
var answer = theALMap.get(MCQQuestionName);
var questionDiv = MCQQuestionAll[index];
// Unselect when selected by previous answebLib
if ( questionDiv.querySelector('.active') !== null ) {
unselect(questionDiv);
}
try {
if ( answer === undefined ) {
throw "未找到第" + (index + 1) + "道多选题的答案，题目开头为：" + MCQQuestionName.slice(0, 50);
} else if ( !Array.isArray(answer) ) {
throw "第" + (index + 1) + "道多选题的答案数据有误（应为数组），题目开头为：" + MCQQuestionName.slice(0, 50);
} else {
// 目前仅取答案首个字符（ABCD），不判断答案内容
var answerKeyAll = answer.map( answer => answer.charAt(0) );
if ( answerKeyAll.every(
answerKey => ["A", "B", "C", "D"].includes(answerKey)
) ) {
answerKeyAll.forEach(
answerKey => questionDiv.querySelector('input[value="' + answerKey + '"]').click()
);
} else {
throw "第" + (index + 1) + "道多选题的答案数据有误，题目开头为：" + MCQQuestionName.slice(0, 50);
}
}
} catch (e) { console.log(e); }
});
}
function questionFiller(theALMap) {
var aLine = "-".repeat(22);
console.log(aLine + "判断题" + aLine);
ToFQuestionFiller(theALMap);
console.log(aLine + "单选题" + aLine);
SCQQuestionFiller(theALMap);
console.log(aLine + "多选题" + aLine);
MCQQuestionFiller(theALMap);
}
function Array2Filter2Map(theArray, theSeparator) {
let theMap = new Map();
theArray.forEach(item => {
var splited  = item.split(theSeparator);
splited.shift(); // Remove ID
var type     = splited.shift();
var question = splited.shift();
var answer   = splited.filter( x => (x !== "") );
if (answer.length === 1) {
answer = answer[0];
}
// 仅提取页面上的题目
if (questionNameAll.includes(question)) {
theMap.set(question, answer);
}
});
return theMap;
}
function init() {
var AnswerLibText = AnswerLib;
var AnswerLibArray = AnswerLibText.trim().split("\n");
var AnswerLibSeparator = AnswerLibArray.shift().charAt(0);
var AnswerLibMap = Array2Filter2Map(AnswerLibArray, AnswerLibSeparator);
console.log(AnswerLibMap);
questionFiller(AnswerLibMap);
}
init();