package com.nms.swspkmas_standalone.service.impl;

import com.nms.swspkmas_standalone.entity.ExamRoom;
import com.nms.swspkmas_standalone.entity.vo.ExamRoomVO;
import com.nms.swspkmas_standalone.exception.ApiException;
import com.nms.swspkmas_standalone.mapper.ExamRoomMapper;
import com.nms.swspkmas_standalone.service.ExamRoomService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import java.sql.Wrapper;
import java.time.LocalDateTime;
import java.util.List;

/**
 * <p>
 * 考场信息 服务实现类
 * </p>
 *
 * @author kzy
 * @since 2023-09-20 16:13:59
 */
@Service
public class ExamRoomServiceImpl extends ServiceImpl<ExamRoomMapper, ExamRoom> implements ExamRoomService {

    @Override
    public void addExamRoom(ExamRoomVO examRoomVO) {
        Long count=count();
        if(count>1){
            throw new ApiException("已存在考场信息");
        }
        ExamRoom examRoom=new ExamRoom();
        BeanUtils.copyProperties(examRoomVO,examRoom);
        save(examRoom);
    }

    @Override
    public void updateExamRoom(Long id, ExamRoomVO examRoomVO) {
        ExamRoom examRoom=getById(id);
        if(examRoom==null){
            throw new ApiException("考场信息不存在");
        }
        BeanUtils.copyProperties(examRoomVO,examRoom,new String[]{"id"});
        examRoom.setUpdateTime(LocalDateTime.now());
        updateById(examRoom);
    }

    @Override
    public void deleteExamRoom() {
        baseMapper.deleteExamRoom();
    }

    @Override
    public ExamRoom getExamRoom() {
        List<ExamRoom> examRoomList=list();
        if(examRoomList.size()>1){
            throw new ApiException("考场信息存在多条记录");
        }
        return examRoomList.size()==1?examRoomList.get(0):null;
    }
}