package com.gunshi.project.ss.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.IdWorker;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gunshi.project.ss.entity.so.TyYearRainfallPageSo;
import com.gunshi.project.ss.entity.vo.TyYearRainfallVo;
import com.gunshi.project.ss.mapper.TyYearRainfallMapper;
import com.gunshi.project.ss.model.TyYearRainfall;
import com.gunshi.project.ss.util.MyBeanUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * 描述: 典型年降雨资料表
 * author: xusan
 * date: 2024-07-08 17:30:38
 */
@Service
@Slf4j
@Transactional(rollbackFor = Exception.class)
public class TyYearRainfallService extends ServiceImpl<TyYearRainfallMapper, TyYearRainfall>
{


    public boolean saveData(TyYearRainfallVo dto) {
        checkParam(dto);
        TyYearRainfall tyYearRainfall = new TyYearRainfall();
        BeanUtils.copyProperties(dto,tyYearRainfall);
        tyYearRainfall.setId(IdWorker.getId());
        List<TyYearRainfall> list = dto.getList();
        if(CollectionUtils.isNotEmpty(list)){
            list.stream().map(o->{
                o.setId(IdWorker.getId());
                return o;
            }).collect(Collectors.toList());
        }
        list.add(tyYearRainfall);
        return this.saveBatch(list);
    }

    private void checkParam(TyYearRainfallVo dto) {
        Long id = dto.getId();
        LambdaQueryWrapper<TyYearRainfall> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.eq(TyYearRainfall::getYear,dto.getYear())
                .eq(TyYearRainfall::getType,1);
        if(id != null){
            queryWrapper.ne(TyYearRainfall::getId,id);
        }
        if(this.count(queryWrapper ) > 0){
            throw new IllegalArgumentException("该年份已存在典型年降雨资料");
        }
        Long len = dto.getList().stream().map(TyYearRainfall::getMonth).distinct().collect(Collectors.counting());
        if(dto.getList().size() != len.intValue()){
            throw new IllegalArgumentException("月份不可重复");
        }
    }

    public Page<TyYearRainfallVo> pageQuery(TyYearRainfallPageSo tyYearRainfallPageSo) {
        Page<TyYearRainfallVo> page = baseMapper.pageQuery(tyYearRainfallPageSo.getPageSo().toPage(), tyYearRainfallPageSo);
        fillList(page);
        return page;
    }

    private void fillList(Page<TyYearRainfallVo> ret) {
        if (ret.getRecords() != null) {
            queryChild(ret.getRecords());
        }
    }

    private void queryChild(List<TyYearRainfallVo> records) {
        for (TyYearRainfallVo record : records) {
            LambdaQueryWrapper<TyYearRainfall> queryWrapper = Wrappers.lambdaQuery();
            queryWrapper.eq(TyYearRainfall::getYear,record.getYear())
                    .eq(TyYearRainfall::getType,2)
                    .orderByAsc(TyYearRainfall::getMonth);
            record.setList(this.list(queryWrapper));
        }
    }

    public boolean updateData(TyYearRainfallVo dto) {
        checkParam(dto);
        TyYearRainfall tyYearRainfall = new TyYearRainfall();
        BeanUtils.copyProperties(dto,tyYearRainfall);
        this.updateById(tyYearRainfall);
        deleteMonthData(dto.getYear());
        List<TyYearRainfall> list = dto.getList();
        if(CollectionUtils.isNotEmpty(list)){
            list.stream().map(o->{
                o.setId(IdWorker.getId());
                return o;
            }).collect(Collectors.toList());
        }
        return this.saveBatch(list);
    }

    private void deleteMonthData(Integer year) {
        LambdaQueryWrapper<TyYearRainfall> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.eq(TyYearRainfall::getYear,year)
                .eq(TyYearRainfall::getType,2);
        this.remove(queryWrapper);
    }

    public Boolean removeData(Long id) {
        TyYearRainfall tyYearRainfall = this.getById(id);
        deleteMonthData(tyYearRainfall.getYear());
        return this.removeById(id);
    }

    public List<TyYearRainfallVo> queryList() {
        LambdaQueryWrapper<TyYearRainfall> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.eq(TyYearRainfall::getType,1);
        queryWrapper.orderByDesc(TyYearRainfall::getYear);
        List<TyYearRainfall> list = this.list(queryWrapper);
        List<TyYearRainfallVo> resList = MyBeanUtil.collectionCopy(list,TyYearRainfallVo.class);
        queryChild(resList);
        return resList;
    }
}