// 保存答案
function saveAnswer(type, d) {
    let value = '';
    if (type === 1) { // 单选题
        $('input[name="option"]').each(function () {
            let checkValue = $(this).attr('checked');
            let option = $(this).next().attr('value');
            if (checkValue === 'checked') {
                value = option;
                return false;
            }
        })

    } else { // 多选题
        $('input[name="option"]').each(function () {
            let checkValue = $(this).attr('checked');
            let option = $(this).next().attr('value');
            if (checkValue === 'checked') {
                value += option;
            }
        })
        if(!value){
            return layer.msg('请选择答案',{icon:7});
        }
    }
    let obj = type === 1 ? JSON.parse(d) : d;
    obj.chooseAnswer = value;
    // 保存答案到数据库
    let flag = saveAnswerAjax(obj);
    if (flag) {
        $.each(dataList, function (index, item) {
            if (obj.id === item.id) {
                item.chooseAnswer = value;
            }
        })
        const index = dataList.findIndex(item => item.id === obj.id);
        $('#questionNumber .circle2').each(function (idx, item) {
            if (index === idx) {
                $(this).removeClass('selected2');
                $(this).addClass('selected');
            }
        });
        renderQuestion(index);
        renderAnswerSheet(index);
    } else {
        layer.msg('答案核对失败', { icon: 2 });
    }
}

// 获取分配的考试题目
function getTopicsAjax() {
    let url = dataUrl + "proteam/sys/exam/getTopics";
    let params = { userId: user.userId }
    let loadingMsg = layer.msg('题目加载中,请稍候...', { icon: 16, scrollbar: false, time: 0 });
    ajaxRequest2(url, "POST", params, true, function (result) {
        layer.close(loadingMsg); // 关闭提示层
        if (result.code === 200) {
            initDayExamData(result.data);
        } else {
            layer.msg(result.msg, { icon: 2 })
        }
    }, function (xhr) {
        layer.close(loadingMsg); // 关闭提示层
        error(xhr)
    }, null, token);
}

// 保存答案-ajax
function saveAnswerAjax(d) {
    let flag = false;
    let url = dataUrl + "proteam/sys/exam/addExamAns";
    let params = {
        examUserId: d.examUserId,
        examId: d.id,
        chooseAnswer: d.chooseAnswer,
        score: sortAnswer(decrypt(d.topicAnswer)) === sortAnswer(d.chooseAnswer) ? d.topicScore : 0,
    }
    let loadingMsg = layer.msg('答案核对中,请稍候...', { icon: 16, scrollbar: false, time: 0 });
    ajaxRequest2(url, "POST", params, false, function (result) {
        layer.close(loadingMsg); // 关闭提示层
        if (result.code === 200) {
            flag = true;
        }
    }, function (xhr) {
        layer.close(loadingMsg); // 关闭提示层
        error(xhr)
    }, null, token);
    return flag;
}

// 交卷
function handPaper() {
    let noAnswerNum = 0;
    $.each(dataList, function (index, item) {
        if (!item.chooseAnswer) {
            noAnswerNum++;
        }
    })
    let title = noAnswerNum > 0 ? '您还有' + noAnswerNum + '题未答，确认交卷吗？' : '确认交卷吗？'
    layer.confirm(title, { title: '操作提示' }, function () {
        let examUserId = dataList[0].examUserId;
        let url = dataUrl + "proteam/sys/exam/submitPaper";
        let params = { examUserId: examUserId }
        let loadingMsg = layer.msg('交卷中,请稍候...', { icon: 16, scrollbar: false, time: 0 });
        ajaxRequest2(url, "POST", params, true, function (result) {
            layer.close(loadingMsg); // 关闭提示层
            if (result.code === 200) {
                // $('#operBtn').empty().append('<button class="submit-btn submitted">已交卷</button>');
                parent.reloadDayExamStatus();
                getTopicsAjax();
            } else {
                layer.msg(result.msg, { icon: 2 })
            }
        }, function (xhr) {
            layer.close(loadingMsg); // 关闭提示层
            error(xhr)
        }, null, token);
    })
}

// 答案排序
function sortAnswer(str){
    const sortedStr = str.split('').sort().join('') || '';
    return sortedStr;
}