var paperBuilder = function (options) {
    var builder = this;
    options = options || {};
    options.paperTemplate = options.paperTemplate || CMS_SystemConfig.VirtualDirectoryPath + '/Scripts/Examinee/Template/PaperTemplate.htm?v=1.1';
    options.questionTemplate = options.questionTemplate || CMS_SystemConfig.VirtualDirectoryPath + '/Scripts/Examinee/Template/QuestionTemplate.htm?v=1.1';
    options.navigationTemplate = options.navigationTemplate || CMS_SystemConfig.VirtualDirectoryPath + '/Scripts/Examinee/Template/NavigationTemplate.htm';
    options.informationTemplate = options.informationTemplate || CMS_SystemConfig.VirtualDirectoryPath + '/Scripts/Examinee/Template/InformationTemplate.htm?v=1.5';

    this.BuildInformationPanel = function (examInfo) {
        if (typeof (examInfo) == 'undefined' || !examInfo)
            return false;

        behaviour.togglePapert(!examinee.isTakePaper);

        $("#information_bar").setTemplateURL(options.informationTemplate);
        $("#information_bar").processTemplate(examInfo);

        $("#exam_sign").text(0);
        $("#exam_over").text(0);
        $("#exam_count").text(examInfo.questionCount);
        behaviour.registTimer();

        return true;
    }

    this.BuildPaper = function (paperInfo) {
        if (typeof (paperInfo) == 'undefined' || !paperInfo)
            return false;

        // 设定导航条和答卷的高度
        $(window).resize(function () { AdjustTestPanel(); });
        AdjustTestPanel();

        // 呈现导航条
        $("#navigation_body").setTemplateURL(options.navigationTemplate);
        $("#navigation_body").processTemplate(paperInfo);

        // 呈现答卷
        if (examInfo.display_type == 2) {
            $("#question").setTemplateURL(options.questionTemplate, null, { filter_data: false });
        }
        else {
            $("#question").setTemplateURL(options.paperTemplate, null, { filter_data: false });
        }
        $("#question").processTemplate(paperInfo);

        // 如果考试为可控,则注册轮询事件
        if (controllable) {
            var server = new serverInteractively({ test_id: examInfo.test_id, user_id: examinee.userid });
            server.registPersonExchange();
            //server.registPublicExchange();
        }

        $(".PageLoad").hide();
        return true;
    }
}

function AdjustTestPanel() {
    $(".navigation_body").height(document.documentElement.clientHeight - 267);
    $("#question").height(document.documentElement.clientHeight - 215);
}


// 模版行为 --- 与样式相关

var WordSerial = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"];
// 乱序题目缓存
var buff = new Hashtable();

// 修改乱序答案的序号
function ReplaceFirstChar(answer) {
    if (typeof (examInfo) == 'undefined' || !examInfo || examInfo.breaking == 1 || examInfo.breaking == 4)
        return answer;
    var reg1 = /^.{2}/;
    for (var i = 0; i < answer.length; i++) {
        answer[i].content = answer[i].content.replace(reg1, WordSerial[i] + "、");
    }
    return answer;
}

// 转换填空题单体占位符
function transformSingle(type, question, answer) {
    var body = question.content;
    var answers = ""; //GetTextAnswer(question.id);

    var target = "<input type='text' questionid='" + question.question_id + "' answertype='" + type.Name +
                 "' class='txt_underline' name='ST-" + type.id + "-" + question.id + "' value=\"" + answers + "\"" +
                 "onblur=\"behaviour.Check_text(this,'" + question.answers[0].answer_id + "','" + question.question_id + "');\" />";
    body = transform(body, target);
    return body;
}

// 转换多项填空题占位符
function transformMuilte(type, question, answer) {
    var body = question.content;
    var answers = ""; //GetTextAnswer(question.id).split('|');
    for (var a in question.answers) {
        var an = "";
        //        if (answers.length > a)
        //            an = answers[a];
        var ctrlName = "ST-" + type.id + "-" + question.question_id;
        var target = "<input type='text' questionid='" + question.question_id + "' answertype='" + type.Name +
                 "' class='txt_underline' name='" + ctrlName + "' value=\"" + an + "\"" +
                 "onblur=\"behaviour.Check_text2(this,'" + ctrlName + "','" + question.answers[a].answer_id + "','" + question.question_id + "');\" />";
        body = transform(body, target);
    }
    return body;
}
// 显示答卷问题及答案
function transform2(type, question, answer) {
    var body = question.content; 
    for (var a in question.answers) {
        var an = "";
        //        if (answers.length > a)
        //            an = answers[a];
        var ctrlName = "ST-" + type.id + "-" + question.question_id;
        var target = "<input type='text' questionid='" + question.question_id + "' answertype='" + type.Name +
                 "' class='txt_underline' name='" + ctrlName + "' value=\"" + answer + "\"" +
                 " />";
        body = transform(body, target);
    }
    return body;
}
function GetCheckAnswer() {
    return false;
}
//是否用户已选答案
function IsUserAnswer(question_id, answer_id, rightAnswer) {
    var lan = rightAnswer.split(',');
    if (lan.toString().indexOf(answer_id) > -1) {
        return "checked='checked'";
    } 
    return '';
}
// 替换占位符
function transform(content, target) {
    var reg = /【.*?】/;
    return content.replace(reg, target);
}

// 检查完成状况
function ChecComplate(id) {

}

function PreBtnEvent(sender) {
    var me = $(sender);
    var parent = me.closest(".q_container").hide();
    parent.prev().show();
}

function NextBtnEvent(sender) {
    var me = $(sender);
    var parent = me.closest(".q_container").hide();
    parent.next().show();
}

function q(question_id) {
    if (examInfo.display_type == 2) {
        $(".q_container").hide();
        $("#q_" + question_id).show();
    }
}
// 准备题目集
function prepareQuestions(typeid, questions) {
    if (examInfo.breaking == 1 || examInfo.breaking == 3) {
        if (buff.contains(typeid))
            return buff.items(typeid);
        var result = chaosArray(questions);
        buff.add(typeid, result);
        return result;
    }
    return questions;
}
// 准备答案集
function prepareAnswers(answers) {
    if (examInfo.breaking == 2 || examInfo.breaking == 3)
        return chaosArray(answers);
    return answers;
}


// 题目乱序,需要产生2个拷贝
function chaosArray(array) {
    var src = array.slice();
    var result = new Array();
    var count = array.length;

    while (count > 0) {
        var index = 0;
        if (count > 1)
            index = getRandom(1, count) - 1
        result[result.length] = src[index];
        src.splice(index, 1);
        count--;
    }
    return result;
}
// 获取指定范围的随机数
function getRandom(start, end) {
    return Math.ceil(Math.random() * ((end - start) + start));
}

//填空题题
function ShowAnswer2(rightAnswer, provid_answer) {
    return rightAnswer;
}
//选择题
function ShowAnswerSelect(rightAnswer, provid_answer) { 
    var rightlist = new Array();
    var lan = rightAnswer.split(','); 
    for (var index in provid_answer) {
        var ans = provid_answer[index];
        if (lan.toString().indexOf(ans.answer_id) > -1) {
            rightlist.push(ans.content.substring(0, 1));
        }
    }
    return rightlist.join(",");
}