// ==UserScript==
// @name         動漫電玩通題庫系統
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  動漫電玩通題庫系統，歡迎提供題目。
// @author       moontai0724
// @match        https://forum.gamer.com.tw/B.php*
// @require      https://apis.google.com/js/api.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js
// @grant        none
// @downloadURL none
// ==/UserScript==

(function () {
    'use strict';

    var this_quiz = document.getElementsByClassName('BH-rbox BH-qabox1');
    var this_quiz_sn = this_quiz[0].getAttribute('data-quiz-sn');
    var this_quiz_question = this_quiz[0].innerHTML.replace(/[\n]/g, '').split('<ul>')[0];
    var this_quiz_option = [], bsn = location.search.split("&")[0].split("=")[1];

    this_quiz[0].getElementsByTagName('li')[0].getElementsByTagName('a')[0].onclick = function () { answered(1); };
    this_quiz[0].getElementsByTagName('li')[1].getElementsByTagName('a')[0].onclick = function () { answered(2); };
    this_quiz[0].getElementsByTagName('li')[2].getElementsByTagName('a')[0].onclick = function () { answered(3); };
    this_quiz[0].getElementsByTagName('li')[3].getElementsByTagName('a')[0].onclick = function () { answered(4); };

    var info_title = document.createElement('h5');
    info_title.innerHTML = '動漫電玩通題庫系統';
    info_title.setAttribute('style', 'color: #CCFFCC;');
    document.getElementById('BH-slave').appendChild(info_title);

    var info_div = document.createElement('div');
    info_div.id = 'quizrp_info_div';
    info_div.setAttribute('style', 'padding: 0px 10px 0px 10px; border: 1px solid lightgrey; background-color: #FFFFFF');
    document.getElementById('BH-slave').appendChild(info_div);

    creatediv('version', '系統版本：' + GM_info.script.version);
    creatediv('', '查看題庫：<a target="_blank" href="https://goo.gl/k8e7vr" style="color: #0055aa;">https://goo.gl/k8e7vr</a>');
    creatediv('quick_answer', '回答答案：', 'display: none;');
    creatediv('get_db', '題庫獲取狀態：');
    createspan('get_db', '尚未獲取。', 'color: red;', 'get_db_status');
    creatediv('report_db', '回報狀態：');
    createspan('report_db', '尚未回報。', 'color: red;', 'report_db_status');
    creatediv('autoanswer', '自動回答並回報：');
    createspan('autoanswer', '若志願提供題庫，按下按鈕開啟此功能。開啟後，當瀏覽至Ｂ頁時，即會自動作答題目。再次按下切換即可關閉功能。目前狀態：');
    if (localStorage.quizrp_autoanswer) {
        createspan('autoanswer', '開啟。', 'color: green;', 'autoanswer_status');
    } else {
        createspan('autoanswer', '關閉。', 'color: red;', 'autoanswer_status');
    }
    creatediv('hint', '提示：');
    createbtn('gethint', '獲得提示', 'hint');
    createbtn('autoanswer_btn', '切換', 'autoanswer');
    creatediv('show_original', '');
    createbtn('show_original_btn', '顯示原題目與答案', 'show_original');

    for (var i = 0; i < 4; i++) {
        this_quiz_option[i] = this_quiz[0].getElementsByTagName('li')[i].getElementsByTagName('a')[0].innerHTML;
        this_quiz[0].getElementsByTagName('li')[i].getElementsByTagName('a')[0].removeAttribute('href');
    }

    quizrp_autoanswer_btn.onclick = function () {
        if (localStorage.quizrp_autoanswer) {
            localStorage.removeItem('quizrp_autoanswer');
            document.getElementById('quizrp_autoanswer_status').innerHTML = '關閉。';
            document.getElementById('quizrp_autoanswer_status').setAttribute('style', 'color: red;');
        } else {
            localStorage.setItem('quizrp_autoanswer', 'true');
            document.getElementById('quizrp_autoanswer_status').innerHTML = '開啟。';
            document.getElementById('quizrp_autoanswer_status').setAttribute('style', 'color: green;');
        }
    };

    function createbtn(id, text, place) {
        var createbtn = document.createElement('button');
        if (id != '') { createbtn.id = 'quizrp_' + id; };
        createbtn.appendChild(document.createTextNode(text));
        createbtn.setAttribute("style", "margin: 0px 4px 0px 4px;");
        document.getElementById('quizrp_' + place).appendChild(createbtn);
    }

    function creatediv(id, text, style) {
        if (style) { style = "margin: 10px 0px 10px 0px;" + style; } else { style = "margin: 10px 0px 10px 0px;"; }
        var creatediv = document.createElement('div');
        if (id != '') { creatediv.id = 'quizrp_' + id; }
        creatediv.innerHTML = text;
        creatediv.setAttribute("style", style);
        document.getElementById('quizrp_info_div').appendChild(creatediv);
    }

    function createspan(place, text, style, id) {
        var createspan = document.createElement('span');
        createspan.innerHTML = text;
        if (style) { createspan.setAttribute("style", style); }
        if (id) { createspan.id = 'quizrp_' + id; }
        document.getElementById('quizrp_' + place).appendChild(createspan);
    }

    function getNowTime() {
        var time = new Date(), time_ms = time.getMilliseconds(), time_sec = time.getSeconds(), time_min = time.getMinutes(), time_hr = time.getHours(), time_day = time.getDate(), time_month = time.getMonth() + 1, time_year = time.getFullYear();
        if (time_ms < 10) { time_ms = "00" + time_ms; } else if (time_ms < 100) { time_ms = "0" + time_ms; } if (time_sec < 10) { time_sec = "0" + time_sec; } if (time_min < 10) { time_min = "0" + time_min; } if (time_hr < 10) { time_hr = "0" + time_hr; } if (time_day < 10) { time_day = "0" + time_day; } if (time_month < 10) { time_month = "0" + time_month; }
        return time_year + '/' + time_month + '/' + time_day + ' ' + time_hr + ':' + time_min + ':' + time_sec + ':' + time_ms + '-> ';
    }

    var dbget = false, data_total = 0, data_quiz_sn = [], data_quiz_answer_1 = [], data_quiz_answer_2 = [], data_quiz_answer_3 = [], data_quiz_answer_4 = [], data_quiz_answer = [], data_quiz_reporter = [], data_quiz_bsn = [], Dd = '';
    function getDB() {
        return new Promise(function (resolve) {
            if (dbget == true) { resolve(true); } else {
                data_total = 0, data_quiz_sn = [], data_quiz_answer_1 = [], data_quiz_answer_2 = [], data_quiz_answer_3 = [], data_quiz_answer_4 = [], data_quiz_answer = [], data_quiz_reporter = [], data_quiz_bsn = [], Dd = '';
                start(1);
                function start(z) {
                    jQuery.get('https://spreadsheets.google.com/feeds/list/1bV8nZP0Iahgp1GoqTT7qNlgvQYPWmg2yT5Wcsta6lbo/' + z + '/public/values?alt=json', function (data) {
                        if (z > 1) {
                            data_total = data.feed.entry.length;
                            for (var i = 0; i < data.feed.entry.length; i++) {
                                data_quiz_sn[i] = data.feed.entry[i].gsx$quizsn.$t;
                                data_quiz_answer_1[i] = data.feed.entry[i].gsx$quizanswer1.$t;
                                data_quiz_answer_2[i] = data.feed.entry[i].gsx$quizanswer2.$t;
                                data_quiz_answer_3[i] = data.feed.entry[i].gsx$quizanswer3.$t;
                                data_quiz_answer_4[i] = data.feed.entry[i].gsx$quizanswer4.$t;
                                data_quiz_answer[i] = data.feed.entry[i].gsx$quizanswer.$t;
                                data_quiz_reporter[i] = data.feed.entry[i].gsx$reporter.$t;
                                data_quiz_bsn[i] = data.feed.entry[i].gsx$boardsn.$t;
                                if (i == data.feed.entry.length - 1) {
                                    document.getElementById('quizrp_get_db_status').innerHTML = '獲取成功。';
                                    document.getElementById('quizrp_get_db_status').setAttribute("style", 'color: green;');
                                    console.log(getNowTime(), 'data_quiz_sn: ', data_quiz_sn);
                                    dbget = true;
                                    resolve();
                                }
                            }
                        } else if (z == 1) {
                            var A = ['', '', '', '', ''];
                            for (var y = 0; y < data.feed.entry.length; y++) {
                                var k;
                                if (y < 20) { k = 0; } else if (y < 41) { k = 1; } else if (y < 52) { k = 2; } else if (y < 68) { k = 3; } else if (y < 75) { k = 4; }
                                A[k] += data.feed.entry[y].gsx$z.$t;
                            }
                            for (var x = 0; x < 5; x++) {
                                Dd += CryptoJS.AES.decrypt(A[x], "gamerquizreport").toString(CryptoJS.enc.Utf8);
                                if (x == 4) {
                                    start(2);
                                }
                            }
                        }
                    });
                }
            }
        });
    }

    function answered(this_answered) {
        quiz.answer(this_answered);
        console.log(getNowTime(), 'answered: ', this_answered);
        if (BAHAID) {
            new Promise(function (resolve) {
                removeelements();
                function keep() {
                    if (document.getElementsByClassName('BH-rbox BH-qabox1')[0].getElementsByTagName('img')[0]) {
                        console.log(getNowTime(), '圖片已載入，開始判斷對錯。');
                        resolve(true);
                    } else {
                        console.log(getNowTime(), '圖片尚未載入，等待中。');
                        window.setTimeout(function () { keep(); }, 500);
                    }
                }
                keep();
            }).then(function () {
                var qabox = document.getElementsByClassName('BH-rbox BH-qabox1');
                this_quiz[0].setAttribute('style', 'text-align: center; background-color: #cccccc;');
                var after_answered_pic_src = qabox[0].getElementsByTagName('img')[0].getAttribute('src');
                if (after_answered_pic_src == 'https://i2.bahamut.com.tw/quiz_correct.png') {
                    console.log(getNowTime(), '答案正確，呼叫 function handledata');
                    handledata(this_answered, true);
                } else if (after_answered_pic_src == 'https://i2.bahamut.com.tw/quiz_wrong.png') {
                    console.log(getNowTime(), '答案錯誤，呼叫 function handledata');
                    handledata(this_answered, false);
                }
            });
        }
    }

    function handledata(this_answered, correctness) {
        console.log(getNowTime(), 'handledata 收到呼叫，開始獲取資料庫 function getDB');
        getDB().then(function () {
            var this_quiz_answer = [], report = true, this_quiz_reporter, targetsort = data_quiz_sn.indexOf(this_quiz_sn), ansindata = false;
            console.log(getNowTime(), '開始判斷資料');

            if (this_answered == 1) {
                if (data_quiz_answer_1[targetsort] == 'N') { ansindata = true; }
            } else if (this_answered == 2) {
                if (data_quiz_answer_2[targetsort] == 'N') { ansindata = true; }
            } else if (this_answered == 3) {
                if (data_quiz_answer_3[targetsort] == 'N') { ansindata = true; }
            } else if (this_answered == 4) {
                if (data_quiz_answer_4[targetsort] == 'N') { ansindata = true; }
            }

            if (targetsort > -1 && correctness == false) {
                if (data_quiz_answer_1[targetsort] != ' ') {
                    this_quiz_answer[0] = data_quiz_answer_1[targetsort];
                } else if (this_answered == '1') {
                    if (correctness == true) {
                        this_quiz_answer[0] = 'Y';
                    } else if (correctness == false) {
                        this_quiz_answer[0] = 'N';
                    }
                } else {
                    this_quiz_answer[0] = ' ';
                }

                if (data_quiz_answer_2[targetsort] != ' ') {
                    this_quiz_answer[1] = data_quiz_answer_2[targetsort];
                } else if (this_answered == '2') {
                    if (correctness == true) {
                        this_quiz_answer[1] = 'Y';
                    } else if (correctness == false) {
                        this_quiz_answer[1] = 'N';
                    }
                } else {
                    this_quiz_answer[1] = ' ';
                }

                if (data_quiz_answer_3[targetsort] != ' ') {
                    this_quiz_answer[2] = data_quiz_answer_3[targetsort];
                } else if (this_answered == '3') {
                    if (correctness == true) {
                        this_quiz_answer[2] = 'Y';
                    } else if (correctness == false) {
                        this_quiz_answer[2] = 'N';
                    }
                } else {
                    this_quiz_answer[2] = ' ';
                }

                if (data_quiz_answer_4[targetsort] != ' ') {
                    this_quiz_answer[3] = data_quiz_answer_4[targetsort];
                } else if (this_answered == '4') {
                    if (correctness == true) {
                        this_quiz_answer[3] = 'Y';
                    } else if (correctness == false) {
                        this_quiz_answer[3] = 'N';
                    }
                } else {
                    this_quiz_answer[3] = ' ';
                }

                this_answered = ' ';

                var count_no = 0, count_empty = -1;
                for (var count = 0; count < 4; count++) {
                    if (this_quiz_answer[count] == 'Y') {
                        this_answered = count + 1;
                    } else if (this_quiz_answer[count] == 'N') {
                        count_no++;
                    } else if (this_quiz_answer[count] == ' ') {
                        count_empty = count;
                    }
                }

                if (count_no == 3 && count_empty != -1) {
                    this_quiz_answer[count_empty] = 'Y';
                    this_answered = count_empty + 1;
                }

                if (data_quiz_reporter[targetsort].indexOf(BAHAID) == -1) {
                    this_quiz_reporter = data_quiz_reporter[targetsort] + ', ' + BAHAID;
                } else {
                    this_quiz_reporter = data_quiz_reporter[targetsort];
                }

                if (data_quiz_bsn[targetsort].indexOf(bsn) == -1) {
                    bsn = data_quiz_bsn[targetsort] + ', ' + bsn;
                } else {
                    bsn = data_quiz_bsn[targetsort];
                }
            } else {
                if (correctness == true) {
                    this_quiz_answer = ['N', 'N', 'N', 'N'];
                    this_quiz_answer[this_answered - 1] = 'Y';
                } else if (correctness == false) {
                    this_quiz_answer = [' ', ' ', ' ', ' '];
                    this_quiz_answer[this_answered - 1] = 'N';
                    this_answered = ' ';
                }

                if (targetsort == -1) {
                    this_quiz_reporter = BAHAID;
                } else if (data_quiz_reporter[targetsort].indexOf(BAHAID) == -1) {
                    this_quiz_reporter = data_quiz_reporter[targetsort] + ', ' + BAHAID;
                } else {
                    this_quiz_reporter = data_quiz_reporter[targetsort];
                }

                if (targetsort > -1) {
                    if (data_quiz_bsn[targetsort].indexOf(bsn) == -1) {
                        bsn = data_quiz_bsn[targetsort] + ', ' + bsn;
                        var bsns = bsn.split(', ');
                        if (bsns.length > 1) {
                            console.log('bsns.length', bsns.length);
                            for (var x = 0; x < bsns.length; x++) {
                                console.log('x', x);
                                for (var y = x; y < bsns.length; y++) {
                                    console.log('y', y);
                                    console.log('bsns[x]', bsns[x]);
                                    console.log('bsns[y]', bsns[y]);
                                    if (bsns[x] > bsns[y]) {
                                        var temp = bsns[x];
                                        bsns[x] = bsns[y];
                                        bsns[y] = temp;
                                    }
                                }
                                for (var i = 0; i < bsns.length; i++) {
                                    if (i == 0) {
                                        bsn = bsns[0];
                                    } else {
                                        bsn = bsn + ', ' + bsns[i];
                                    }
                                }
                            }
                            console.log(bsn, bsns);
                        }
                    }
                }
            }

            if (targetsort == -1) {
                targetsort = data_quiz_sn.length;
            } else {
                targetsort = targetsort;
            }

            data_quiz_sn[targetsort] = this_quiz_sn;
            data_quiz_answer_1[targetsort] = this_quiz_answer[0];
            data_quiz_answer_2[targetsort] = this_quiz_answer[1];
            data_quiz_answer_3[targetsort] = this_quiz_answer[2];
            data_quiz_answer_4[targetsort] = this_quiz_answer[3];
            quizrp_show_original_function();

            if (data_quiz_answer[targetsort] != '1' && data_quiz_answer[targetsort] != '2' && data_quiz_answer[targetsort] != '3' && data_quiz_answer[targetsort] != '4' && ansindata == false) {
                console.log(getNowTime(), '呼叫 reporttodb，開始回報');
                reporttodb(this_answered, correctness, this_quiz_answer, targetsort + 2, this_quiz_reporter);
            } else {
                console.log(getNowTime(), '題庫中有答案，無須回報。');
                document.getElementById('quizrp_report_db_status').innerHTML = '題庫中有答案，無須回報。';
                this_quiz[0].setAttribute('style', 'text-align: center;');
                document.getElementById('quizrp_report_db_status').setAttribute("style", 'color: green;');
            }
        });
    }

    function reporttodb(this_answered, correctness, this_quiz_answer, targetsort, this_quiz_reporter) {
        console.log(getNowTime(), 'reporttodb 收到呼叫');
        console.log(getNowTime(), 'this_quiz_answer: ', this_quiz_answer);

        jQuery.post("https://www.googleapis.com/oauth2/v4/token", Dd, function (data) {
            jQuery.ajax({
                type: "PUT",
                contentType: "application/json;",
                url: 'https://sheets.googleapis.com/v4/spreadsheets/1bV8nZP0Iahgp1GoqTT7qNlgvQYPWmg2yT5Wcsta6lbo/values/List!A' +
                    targetsort + ':M' + targetsort + '?valueInputOption=USER_ENTERED&access_token=' + data.access_token,
                data: JSON.stringify({
                    "range": "List!A" + targetsort + ":M" + targetsort,
                    "majorDimension": "ROWS",
                    "values": [
                        [this_quiz_sn, this_quiz_question, this_quiz_option[0], this_quiz_option[1], this_quiz_option[2], this_quiz_option[3],
                            this_quiz_answer[0], this_quiz_answer[1], this_quiz_answer[2], this_quiz_answer[3], this_answered,
                            this_quiz_reporter, bsn],
                    ],
                }),
                success: function (data, status, xhr) {
                    console.log(this_quiz_sn, this_quiz_question, this_quiz_option[0], this_quiz_option[1], this_quiz_option[2], this_quiz_option[3],
                        this_quiz_answer[0], this_quiz_answer[1], this_quiz_answer[2], this_quiz_answer[3], this_answered,
                        this_quiz_reporter, bsn);
                    document.getElementById('quizrp_report_db_status').innerHTML = '回報完成。';
                    this_quiz[0].setAttribute('style', 'text-align: center;');
                    document.getElementById('quizrp_report_db_status').setAttribute("style", 'color: green;');
                    console.log(getNowTime(), 'Responsed Data: ', data);
                    console.log(getNowTime(), 'Responsed Status: ', status);
                    console.log(getNowTime(), 'Responsed xhr: ', xhr);
                },
                error: function (jqXHR, textStatus, errorThrown) {
                    console.log(getNowTime(), 'Responsed jqXHR: ', jqXHR);
                    console.log(getNowTime(), 'Responsed textStatus: ', textStatus);
                    console.log(getNowTime(), 'Responsed errorThrown: ', errorThrown);
                }
            });
        });
    }

    if (localStorage.quizrp_autoanswer) {
        window.setTimeout(function () {
            getDB().then(function () {
                if (data_quiz_sn.indexOf(this_quiz_sn) > -1) {
                    var targetsort = data_quiz_sn.indexOf(this_quiz_sn);
                    if (data_quiz_answer_1[targetsort] != 'N') {
                        answered(1);
                    } else if (data_quiz_answer_2[targetsort] != 'N') {
                        answered(2);
                    } else if (data_quiz_answer_3[targetsort] != 'N') {
                        answered(3);
                    } else if (data_quiz_answer_4[targetsort] != 'N') {
                        answered(4);
                    } else {
                        document.getElementById('quizrp_report_db_status').innerHTML = '題庫中有答案，無須回報。';
                        document.getElementById('quizrp_report_db_status').setAttribute("style", 'color: green;');
                    }
                } else {
                    answered(1);
                }
            });
        }, 1000);
    }

    quizrp_gethint.onclick = function () {
        getDB().then(function () {
            if (data_quiz_sn.indexOf(this_quiz_sn) > -1) {
                var hint_quiz_answer = [], this_sort = data_quiz_sn.indexOf(this_quiz_sn);
                hint_quiz_answer[0] = data_quiz_answer_1[this_sort];
                hint_quiz_answer[1] = data_quiz_answer_2[this_sort];
                hint_quiz_answer[2] = data_quiz_answer_3[this_sort];
                hint_quiz_answer[3] = data_quiz_answer_4[this_sort];
                hint_start();
                function hint_start() {
                    var rn = getRandomNumber(0, 3);
                    if (hint_quiz_answer[rn] == 'N') {
                        this_quiz[0].getElementsByTagName('a')[rn].setAttribute('style', 'color: red; text-decoration: line-through;');
                        document.getElementById('quizrp_gethint').parentNode.removeChild(document.getElementById('quizrp_gethint'));
                        createspan('hint', '提示已獲取。', 'color: green;');
                    } else {
                        hint_start();
                    }
                }
            } else {
                document.getElementById('quizrp_gethint').parentNode.removeChild(document.getElementById('quizrp_gethint'));
                createspan('hint', '題庫中無資料。', 'color: red;');
            }
        });
    };

    var quizrp_show_original_showed = false;
    quizrp_show_original_btn.onclick = function () { quizrp_show_original_function(); };

    function quizrp_show_original_function() {
        if (quizrp_show_original_showed == false) {
            quizrp_show_original_showed = true;
            document.getElementById('quizrp_show_original_btn').parentNode.removeChild(document.getElementById('quizrp_show_original_btn'));
            document.getElementById('quizrp_show_original').setAttribute('style', 'margin: 10px 0px 10px 0px; padding:10px 10px 0px 10px; border: 1px solid #cccccc;');
            document.getElementById('quizrp_show_original').innerHTML = '題目編號：' + this_quiz_sn + '<br>原題目：' + this_quiz_question +
                '<ul style="list-style-type:decimal; padding:10px 0px 10px 30px;"><li>' + this_quiz_option[0] + '</li>' +
                '<li>' + this_quiz_option[1] + '</li>' +
                '<li>' + this_quiz_option[2] + '</li>' +
                '<li>' + this_quiz_option[3] + '</li></ul>';
        }
        getDB().then(function () {
            var targetsort = data_quiz_sn.indexOf(this_quiz_sn);
            if (data_quiz_sn.indexOf(this_quiz_sn) > -1) {
                var this_number = data_quiz_answer[data_quiz_sn.indexOf(this_quiz_sn)] - 1;
                if (data_quiz_answer_1[data_quiz_sn.indexOf(this_quiz_sn)] == 'N') {
                    document.getElementById('quizrp_show_original').getElementsByTagName('li')[0].setAttribute('style', 'color: red; text-decoration: line-through;');
                } else if (data_quiz_answer_1[data_quiz_sn.indexOf(this_quiz_sn)] == 'Y') {
                    document.getElementById('quizrp_show_original').getElementsByTagName('li')[0].setAttribute('style', 'color: green; font-weight: bold;');
                }
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                } else if (data_quiz_answer_2[data_quiz_sn.indexOf(this_quiz_sn)] == 'Y') {
                    document.getElementById('quizrp_show_original').getElementsByTagName('li')[1].setAttribute('style', 'color: green; font-weight: bold;');
                }
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                    document.getElementById('quizrp_show_original').getElementsByTagName('li')[2].setAttribute('style', 'color: red; text-decoration: line-through;');
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                    document.getElementById('quizrp_show_original').getElementsByTagName('li')[2].setAttribute('style', 'color: green; font-weight: bold;');
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    }

    function getRandomNumber(min, max) {
        return Math.floor(Math.random() * (max - min + 1) + min);
    }

    function removeelements() {
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})();