package cn.com.qmth.mps.service.impl;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.collections4.CollectionUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import cn.com.qmth.mps.bean.PaperGroupUnit;
import cn.com.qmth.mps.dao.PaperGroupUnitDao;
import cn.com.qmth.mps.entity.PaperGroupEntity;
import cn.com.qmth.mps.entity.PaperGroupUnitEntity;
import cn.com.qmth.mps.service.PaperGroupUnitService;

@Service
public class PaperGroupUnitServiceImpl extends ServiceImpl<PaperGroupUnitDao, PaperGroupUnitEntity> implements PaperGroupUnitService {

	@Override
	public Map<Long, List<PaperGroupUnit>> getGroupInfo(Long paperId) {
		List<PaperGroupUnitEntity> list=getByPaperId(paperId);
		if(CollectionUtils.isEmpty(list)) {
			return null;
		}
		Map<Long, List<PaperGroupUnit>> ret=new HashMap<>();
		for(PaperGroupUnitEntity e:list) {
			List<PaperGroupUnit> tem=ret.get(e.getGroupId());
			if(tem==null) {
				tem=new ArrayList<>();
				ret.put(e.getGroupId(), tem);
			}
			PaperGroupUnit vo=new PaperGroupUnit();
			vo.setDetailNumber(e.getDetailNumber());
			vo.setDetailUnitNumber(e.getDetailUnitNumber());
			tem.add(vo);
		}
		return ret;
	}
	@Override
	public List<PaperGroupUnitEntity> getByPaperId(Long paperId) {
		QueryWrapper<PaperGroupUnitEntity> wrapper = new QueryWrapper<>();
		LambdaQueryWrapper<PaperGroupUnitEntity> lw = wrapper.lambda();
		lw.eq(PaperGroupUnitEntity::getPaperId, paperId);
		lw.orderByAsc(PaperGroupUnitEntity::getDetailNumber);
		lw.orderByAsc(PaperGroupUnitEntity::getDetailUnitNumber);
		return this.list(wrapper);
	}
	@Transactional
	@Override
	public void removeByGroupId( Long groupId) {
		QueryWrapper<PaperGroupUnitEntity> wrapper = new QueryWrapper<>();
		LambdaQueryWrapper<PaperGroupUnitEntity> lw = wrapper.lambda();
		lw.eq(PaperGroupUnitEntity::getGroupId, groupId);
		this.remove(wrapper);
	}
	@Transactional
	@Override
	public void saveUnit(PaperGroupEntity group, List<PaperGroupUnit> groupUnits) {
		List<PaperGroupUnitEntity> ret=new ArrayList<>();
		for(PaperGroupUnit unit:groupUnits) {
			PaperGroupUnitEntity e=new PaperGroupUnitEntity();
			e.setPaperId(group.getPaperId());
			e.setGroupId(group.getId());
			e.setDetailNumber(unit.getDetailNumber());
			e.setDetailUnitNumber(unit.getDetailUnitNumber());
			ret.add(e);
		}
		this.saveBatch(ret);
	}
	
	@Override
	public Integer countByPaperId(Long paperId) {
		QueryWrapper<PaperGroupUnitEntity> wrapper = new QueryWrapper<>();
		LambdaQueryWrapper<PaperGroupUnitEntity> lw = wrapper.lambda();
		lw.eq(PaperGroupUnitEntity::getPaperId, paperId);
		return this.count(wrapper);
	}
	
	@Transactional
	@Override
	public void clearByPaperId(Long paperId) {
		QueryWrapper<PaperGroupUnitEntity> wrapper = new QueryWrapper<>();
		LambdaQueryWrapper<PaperGroupUnitEntity> lw = wrapper.lambda();
		lw.eq(PaperGroupUnitEntity::getPaperId, paperId);
		this.remove(wrapper);
	}
}