// ==UserScript==
// @name         文才学堂学习插件
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      0.1.2
// @description  文才学堂学习的插件，自动播放视频，自动完成作业，自动学习评论
// @author       zhou
// @match        http://learning.wencaischool.net/openlearning/*
// ==/UserScript==

(function () {
    'use strict';
    var $ = window.$;
    function sleep(t) {
        const _t = Date.now()
        while(Date.now() - _t < t) {}
    }
    /**=========================批量评论start==================================== */
    let $topciBtn
    function initTopic() {
        const $btn = window.$('<div class="btn">批量发话题</div>')
        window.$('.btnGroup').append($btn)
        $topciBtn = $btn
        $btn.on('click', () => {
            autoSendTopic()
        })
    }
    function autoSendTopic(len = 5, content = '好好学习，天天向上') {
        function addTopic(content, ifAsk = '0', articleImgs = '') {
            $topciBtn.text(`正在发表(${len})`)
            var params = {
                'user_id': getQueryString('userId'),
                'course_id': getQueryString('courseId'),
                'school_code': getQueryString('schoolCode'),
                'grade_code': getQueryString('gradeCode'),
                'course_code': getQueryString('courseCode'),
                'content': content,
                'is_ask': ifAsk,
                'img_url': articleImgs,
                'time': 0
            },
                url = urlStart + '/forum_article.action?req=publishArticle', res = getData(url, params);
            console.log(len)
            len--
            setTimeout(() => {
                if (len > 0) {
                    addTopic(content, ifAsk, articleImgs)
                } else {
                    alert('发表完成')
                    location.reload()
                }
            }, 1000)
            
        }
        addTopic(content)
    }
    if (location.origin + location.pathname === 'http://learning.wencaischool.net/openlearning/separation/coursePost/index.html')
        initTopic()
    /**=========================批量评论end==================================== */

    /**=========================批量视频start==================================== */
    let $videoBtn
    function initVideo() {
        const $btn = $('<div class="btn">一键批量完成</div>')
        $('.lefttop').append($btn).css({ 'text-align': 'center' }).find('.btn').css({ display: 'inline-block', margin: '15px 10px' });
        $videoBtn = $btn
        $btn.on('click', () => {
            autoPlayList()
        })
    }
    let autoPlayed = false
    function autoPlayList() {
        if (autoPlayed) return alert('程序正在执行，请稍等')
        autoPlayed = true
        function getChapterList() {
            var params = {
                'course_id': getQueryString('course_id')
            }
            var url = urlStart + '/newApp_learn_course.action?req=getCourseScormItemList', res = getData(url, params), str = '';
            if (res.code === 1000) {
                var resdata = dedata(res.data);
                list = resdata.listCourseLesson
            }
        }
        function getPower() {
            var url = urlStart + '/newApp_use_energy.action?req=getUserAuthority', res = getData(url);
            if (res.code === 1000) {
                var data = dedata(res.data)
                learning_user_id = data.userId
            }
        }
        var i = 0, learning_user_id = 3518, list = []
        function useEnergy(siid, courseId) {
            var params = {
                'learning_user_id': getQueryString('user_id'),
                'course_id': courseId,
                'type_code': 'progress',
                'item_id': siid
            },
                url = urlStart + '/newApp_use_energy.action?req=saveUseEnergyInfo', res = getData(url, params), ret = false;
            if (res.code == 1000) {
                ret = true;
                var data = dedata(res.data);
                $('#lastEnergy').text(data);
            } else {
                layer.msg(res.message, { time: 1000 });
            }
            return ret;
        }

        function saveSubmit(item) {
            var params = {
                'user_id': getQueryString('user_id'),
                'course_id': item.courseId,
                'time': item.timeLen,
                'item_id': item.lessonId,
                'view_time': item.timeLen,
                'last_view_time': item.timeLen - 1,
                'video_length': item.timeLen,
                'learning_user_id': learning_user_id
            },
                url = urlStart + '/learning.action?req=submitScormAndHistorySave', res = getData(url, params);
            if (res.code == 1000) {
                var data = dedata(res.data)
                if (data.isFinish) {
                    console.log(item.lessonName + '完成')
                    i++
                    playNext()
                }
            }
        }

        function autoPlay(item) {
            var energy = true
            if (item.useEnergyNum == 1) {
                energy = useEnergy(item.lessonId, item.courseId)
            }
            var t = setTimeout(() => {
                if (!energy) return false
                saveSubmit(item)
            }, 1000)
        }

        function playNext() {
            var item = list[i]
            if (!item) return alert('已全部完成，请切换下一个课程')
            $videoBtn.text(`已完成(${i+1}/${list.length})`)
            if (item.isFinish || item.lessonType != 'scorm_content') {
                console.log(`=====${item.lessonName}=====`)
                i++
                playNext()
            } else {
                autoPlay(item)
            }
        }
        getChapterList()
        getPower()
        playNext()
    }
    if (location.origin + location.pathname === 'http://learning.wencaischool.net/openlearning/separation/courseware/index.html')
        initVideo()
    /**=========================批量视频end==================================== */
    
    /**=========================批量作业start==================================== */
    let $workBtn, worked = false, baseurl, answerObj = {}, sExamStatus, examid
    function initWork() {
        const $btn = $('<a class="func" href="javascript:void(0);">一键完成作业</span>')
        $('.func').after($btn)
        $btn.css('margin-left', '10px')
        $workBtn = $btn;
        $btn.bind('click', async () => {
            if (worked) return alert('正在做题中...')
            worked = true
            $workBtn.text('正在自动做题中...')
            const html = document.body.outerHTML
            const contentIds = html.match(/contentId="(\d+)"/gi).map(item => item.match(/\d+/)[0])
            const examids = html.match(/examid\s?=\s?"(\d+)"/ig).map(item => /\d+/.exec(item)[0])
            baseurl = $fn.getLearningWeb()
            // console.log(contentIds, examids)
            try {
                // examid = examids[0]
                // await autoWork(contentIds[0])
                for (let i = 0; i < examids.length; i++) {
                    examid = examids[i]
                    await autoWork(contentIds[i])
                    $workBtn.text(`已完成${i+1}/${examids.length}`)
                    sleep(1000)
                }
                alert('已全部完成')
            } catch(e) {
                console.log(e)
            }
            // location.reload()
        })
    }
    async function autoWork(sContentId) {
        const chech = await fetch(`${baseurl}/course/check_pre_index.jsp?content_id=${sContentId}`).then(res => res.text())
        if(chech.indexOf('ERROR:') > -1) return alert('数据错误，请手动完成作业')
        const sUrl = baseurl + "/exam/portal/exam_info.jsp?content_id="+sContentId+"&type=work&is_make_up=undefined";
        let html = await fetch(sUrl).then(res => res.text())
        html = html.replace(/\\/g, '')
        let scoreId = html.match(/sScoreId\s?=\s?"(\d+)"/)?.[1]
        sExamStatus = /sExamStatus\s?=\s?"(\w+)"/.exec(html)[1]
        const score = html.match(/(\d+)\(\1\/100\)/)?.[1]
        console.log(score, scoreId, sExamStatus)
        if (score > 90) return
        if (sExamStatus === 'reexamine') {
            // 查看答案
            const params = $wapper.api.getURLParams($wapper.api.setQueryString("reexamine", '0', sUrl))
            const answers = await viewAnswer(scoreId, params)
            answerObj[sContentId] = answers
            console.log(answers)
            if (!answers) return alert(`id=${sContentId}题目获取答案失败，请手动操作`)
            await doWork(sContentId)
        } else {
            // 先做一遍题
            await doWork(sContentId)
            sleep(1000)
            await autoWork(sContentId)
        }
    }
    function disposeAnswer(ans = '') {
        if (ans.indexOf('答') === 0) return ans.substring(2)
        return /\[参考答案：([^\]]+)\]/i.exec(ans)?.[1] || ''
    }
    function disposeNames(list) {
        const nameM = [...new Set(list.map(name => /\w{28,}/.exec(name)[0]).filter(name => name.split('_').length >= 4))]
        let currentName = '', nameSet = new Set()
        nameM.forEach(name => {
            const cname = strDiff(currentName, name)
            cname ? nameSet.add(cname) : nameSet.add(name)
            if (cname === name) {
                currentName && nameSet.delete(currentName)
            }
            currentName = name
        })
        return [...nameSet]
    }
    function strDiff(str1 = '', str2 = '') {
        const arr1 = str1.split('_'), arr2 = str2.split('_')
        const maxlen = Math.max(arr1.length, arr2.length)
        const minlen = Math.min(arr1.length, arr2.length)
        const retArr = []
        for(let i = 0; i < maxlen; i++) {
            if (arr1[i] === arr2[i]) retArr.push(arr1[i])
        }
        return retArr.length >= (minlen - 1) ? retArr.join('_') : ''
    }
    function viewAnswer(scoreId, params) {
        return new Promise(async (resolve) => {
            const viewUrl = `${baseurl}/exam/portal/view_answer.jsp?exam_id=${examid}&score_id=${scoreId}&${params}`;
            let html = await fetch(viewUrl).then(res => res.text())
            html = html.replaceAll(/\\/g, '')
            const obj = {}
            const answerM = html.match(/\[参考答案：[^\]]+\]|答[：:][^<]*/gi)
            let nameM = html.match(/(name|id)=\\*"?\w{28,}?\\*"?[ >]/gi)
            if (!(answerM && nameM)) throw new Error('答案获取失败，请手动做题')
            nameM = disposeNames(nameM)
            if (nameM.length !== answerM.length) {
                console.log(nameM, answerM)
                throw new Error('答案解析失败，请联系管理员')
            }
            let count = 0
            nameM.forEach((name, i) => {
                obj[name] = disposeAnswer(answerM[i])
                count++
            })
            resolve(count ? obj : null)
        })
    }
    function doWork(sContentId) {
        return new Promise(async (resolve) => {
            const viewUrl = location.origin + $api.fn.getActionURL(`com.lemon.learning.exam.StudentExamAction?op=before_exam&exam_id=${examid}&reexam=${(sExamStatus=="reexamine"?"1":"0")}&script=parent.afterCheckExam()&type=work`);
            // return resolve(console.log(viewUrl))
            await fetch(viewUrl)
            const params = `exam_id=${examid}&type=work&content_id=${sContentId}&type=work&is_make_up=undefined`
            await fetch(`${baseurl}/exam/portal/exam_console.htm?${params}`)
            await fetch(`${baseurl}/exam/portal/exam_left.jsp?${params}`)
            let html = await fetch(`${baseurl}/exam/portal/exam.jsp?${params}`).then(res => res.text())
            html = html.replace(/\\/g, '')
            const answers = answerObj[sContentId] || {}
            const arr = []
            let nameM = html.match(/keylist="\w{28,}"/gi)
            // console.log(nameM)
            const names = disposeNames(nameM.concat(Object.keys(answers)))
            // console.log(names)
            names.forEach(name => {
                arr.push(`${name}=${answers[name] || 'A'}`)
            })
            await postWork(arr.join('&'))
            resolve()
        })
    }
    function postWork(body) {
        return new Promise(async (resolve) => {
            const url = location.origin + $api.fn.getActionURL(`com.lemon.learning.exam.StudentExamAction?op=submit_exam&exam_id=${examid}&b_out=1&item_id=&type=work&r=${Math.random()}`)
            $.ajax({
                url,
                type: 'post',
                data: body,
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded;'
                },
                success(data) {
                    resolve(true)
                },
                error(e) {
                    console.log(e)
                }
            })
        })
    }
    if(location.origin + location.pathname === 'http://learning.wencaischool.net/openlearning/course/learning/learn_homework.jsp')
        initWork()
    /**=========================批量作业end==================================== */
})();