package org.springblade.modules.exam.service.impl;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.AllArgsConstructor;
import org.springblade.modules.exam.entity.ExamExaminationSubject;
import org.springblade.modules.exam.entity.ExamPaper;
import org.springblade.modules.exam.entity.ExamScore;
import org.springblade.modules.exam.excel.ExportExamScoreExcel;
import org.springblade.modules.exam.mapper.ExamScoreMapper;
import org.springblade.modules.exam.service.ExamPaperService;
import org.springblade.modules.exam.service.ExamScoreService;
import org.springblade.modules.exam.vo.ExamResultVO;
import org.springblade.modules.exam.vo.ExamScoreVO;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Arrays;
import java.util.List;

/**
 * 考试成绩服务实现类
 * @author zhongrj
 */
@Service
@AllArgsConstructor
public class ExamScoreServiceImpl extends ServiceImpl<ExamScoreMapper, ExamScore> implements ExamScoreService {

	private final ExamPaperService examPaperService;

	/**
	 * 自定义分页数据
	 * @param page 分页条件
	 * @param examScore 考试成绩对象
	 * @return
	 */
	@Override
	public IPage<ExamScoreVO> selectExamScorePage(IPage<ExamScoreVO> page, ExamScoreVO examScore) {
		return page.setRecords(baseMapper.selectExamScorePage(page, examScore));
	}

	/**
	 * 详情
	 * @param examScore 考试成绩信息对象
	 */
	@Override
	public ExamScoreVO selectExamScoreInfo(ExamScore examScore) {
		return baseMapper.selectExamScoreInfo(examScore);
	}

	/**
	 * 保存考试成绩
	 * @param examScore 考试成绩信息对象
	 * @return
	 */
	@Override
	@Transactional(rollbackFor = Exception.class)
	public Boolean saveExamScore(ExamScoreVO examScore) {
		//取出考试结果
		if (examScore.getExamResultVOS().size()>0){
			List<ExamResultVO> examResultVOS = examScore.getExamResultVOS();
			//获取试卷的内容（题号，答案）
			ExamPaper examPaper = new ExamPaper();
			examPaper.setId(examScore.getPapersId());
			List<ExamExaminationSubject> examExaminationSubjects
				= examPaperService.PagerSubject(examPaper).getExamExaminationSubjects();
			//比对考试结果
			//声明理论得分
			int theoryGrade = 0;
			for (ExamResultVO examResultVO : examResultVOS) {
				for (ExamExaminationSubject examExaminationSubject : examExaminationSubjects) {
					//对比题目id
					if (examResultVO.getSubjectChoicesId().equals(examExaminationSubject.getExamSubjectChoices().getId())) {
						//对比答案

						if (examExaminationSubject.getExamSubjectChoices().getChoicesType() == 2 || examExaminationSubject.getExamSubjectChoices().getChoicesType() == 3){
							//判断题逻辑
							if (examResultVO.getValue().equals(examExaminationSubject.getExamSubjectChoices().getAnswer())) {
								theoryGrade += examResultVO.getGrade();
							}
						}else if(examExaminationSubject.getExamSubjectChoices().getChoicesType() == 0 || examExaminationSubject.getExamSubjectChoices().getChoicesType() == 1){
							//处理多选题的答案排序
							String[] split = examResultVO.getValue().split(",");
							StringBuilder builder = new StringBuilder();
							for (String s : split) {
								builder.append(s);
							}
							char[] arrayCh = builder.toString().toCharArray();
							//利用数组帮助类自动排序
							Arrays.sort(arrayCh);
							String sub0 = Arrays.toString(arrayCh);
							String sub = sub0.substring(1,sub0.length()-1).replaceAll(" ","");
							if (sub.equals(examExaminationSubject.getExamSubjectChoices().getAnswer())) {
								theoryGrade += examResultVO.getGrade();
							}
						}
						//移除当前试卷题目答案对象
						examExaminationSubjects.remove(examExaminationSubject);
						break;
					}
				}
			}
			//设置理论得分
			examScore.setTheoryGrade(theoryGrade);
			//计算总成绩,此时没有实操成绩，总成绩为实操成绩和理论成绩和的一半
			examScore.setAllGrade(Math.round(theoryGrade/2));
			//设置状态
			if (theoryGrade>=60){
				examScore.setQualified(2);
			}else {
				examScore.setQualified(1);
			}
			//保存成绩数据
			int i = baseMapper.insert(examScore);
			//修改考试状态为已考试，当前报名已考试，无法再考

			if (i>0){
				//返回结果
				return true;
			}
		}
		//返回结果
		return false;
	}

	/**
	 * 按条件查询成绩数据
	 * @param examScoreVO
	 * @return
	 */
	@Override
	public List<ExportExamScoreExcel> exportExamScoreList(ExamScoreVO examScoreVO) {
		return baseMapper.exportExamScoreList(examScoreVO);
	}

	/**
	 * 根据时间查看考试成绩
	 * @param candidateNo
	 * @param time
	 * @return
	 */
	@Override
	public List<ExamScore> getExamScoreInfoByIdCardNo(String candidateNo, String time) {
		return baseMapper.getExamScoreInfoByIdCardNo(candidateNo,time);
	}
}