package com.ycl.jxkg.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.jxkg.domain.ExamPaperQuestionCustomerAnswer;
import com.ycl.jxkg.domain.other.ExamPaperAnswerUpdate;
import com.ycl.jxkg.domain.other.KeyValue;
import com.ycl.jxkg.domain.TextContent;
import com.ycl.jxkg.domain.enums.QuestionTypeEnum;
import com.ycl.jxkg.mapper.ExamPaperQuestionCustomerAnswerMapper;
import com.ycl.jxkg.service.ExamPaperQuestionCustomerAnswerService;
import com.ycl.jxkg.service.TextContentService;
import com.ycl.jxkg.utils.DateTimeUtil;
import com.ycl.jxkg.utils.ExamUtil;
import com.ycl.jxkg.utils.JsonUtil;
import com.ycl.jxkg.vo.student.exam.ExamPaperSubmitItemVO;
import com.ycl.jxkg.vo.student.question.answer.QuestionPageStudentRequestVO;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor
public class ExamPaperQuestionCustomerAnswerServiceImpl extends ServiceImpl<ExamPaperQuestionCustomerAnswerMapper, ExamPaperQuestionCustomerAnswer> implements ExamPaperQuestionCustomerAnswerService {

    private final ExamPaperQuestionCustomerAnswerMapper examPaperQuestionCustomerAnswerMapper;
    private final TextContentService textContentService;


    @Override
    public PageInfo<ExamPaperQuestionCustomerAnswer> studentPage(QuestionPageStudentRequestVO requestVM) {
        return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                examPaperQuestionCustomerAnswerMapper.studentPage(requestVM)
        );
    }

    @Override
    public List<ExamPaperQuestionCustomerAnswer> selectListByPaperAnswerId(Integer id) {
        return examPaperQuestionCustomerAnswerMapper.selectListByPaperAnswerId(id);
    }


    @Override
    public void insertList(List<ExamPaperQuestionCustomerAnswer> examPaperQuestionCustomerAnswers) {
        examPaperQuestionCustomerAnswerMapper.insertList(examPaperQuestionCustomerAnswers);
    }

    @Override
    public ExamPaperSubmitItemVO examPaperQuestionCustomerAnswerToVM(ExamPaperQuestionCustomerAnswer qa) {
        ExamPaperSubmitItemVO examPaperSubmitItemVO = new ExamPaperSubmitItemVO();
        examPaperSubmitItemVO.setId(qa.getId());
        examPaperSubmitItemVO.setQuestionId(qa.getQuestionId());
        examPaperSubmitItemVO.setDoRight(qa.getDoRight());
        examPaperSubmitItemVO.setItemOrder(qa.getItemOrder());
        examPaperSubmitItemVO.setQuestionScore(ExamUtil.scoreToVM(qa.getQuestionScore()));
        examPaperSubmitItemVO.setScore(ExamUtil.scoreToVM(qa.getCustomerScore()));
        setSpecialToVM(examPaperSubmitItemVO, qa);
        return examPaperSubmitItemVO;
    }

    @Override
    public Integer selectAllCount() {
        return examPaperQuestionCustomerAnswerMapper.selectAllCount();
    }

    @Override
    public List<Integer> selectMothCount() {
        Date startTime = DateTimeUtil.getMonthStartDay();
        Date endTime = DateTimeUtil.getMonthEndDay();
        List<KeyValue> mouthCount = examPaperQuestionCustomerAnswerMapper.selectCountByDate(startTime, endTime);
        List<String> mothStartToNowFormat = DateTimeUtil.MothStartToNowFormat();
        return mothStartToNowFormat.stream().map(md -> {
            KeyValue keyValue = mouthCount.stream().filter(kv -> kv.getName().equals(md)).findAny().orElse(null);
            return null == keyValue ? 0 : keyValue.getValue();
        }).collect(Collectors.toList());
    }

    @Override
    public int updateScore(List<ExamPaperAnswerUpdate> examPaperAnswerUpdates) {
        return examPaperQuestionCustomerAnswerMapper.updateScore(examPaperAnswerUpdates);
    }

    private void setSpecialToVM(ExamPaperSubmitItemVO examPaperSubmitItemVO, ExamPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer) {
        QuestionTypeEnum questionTypeEnum = QuestionTypeEnum.fromCode(examPaperQuestionCustomerAnswer.getQuestionType());
        switch (questionTypeEnum) {
            case MultipleChoice:
                examPaperSubmitItemVO.setContent(examPaperQuestionCustomerAnswer.getAnswer());
                examPaperSubmitItemVO.setContentArray(ExamUtil.contentToArray(examPaperQuestionCustomerAnswer.getAnswer()));
                break;
            case GapFilling:
                TextContent textContent = textContentService.getById(examPaperQuestionCustomerAnswer.getTextContentId());
                List<String> correctAnswer = JsonUtil.toJsonListObject(textContent.getContent(), String.class);
                examPaperSubmitItemVO.setContentArray(correctAnswer);
                break;
            default:
                if (QuestionTypeEnum.needSaveTextContent(examPaperQuestionCustomerAnswer.getQuestionType())) {
                    TextContent content = textContentService.getById(examPaperQuestionCustomerAnswer.getTextContentId());
                    examPaperSubmitItemVO.setContent(content.getContent());
                } else {
                    examPaperSubmitItemVO.setContent(examPaperQuestionCustomerAnswer.getAnswer());
                }
                break;
        }
    }
}