package com.klp.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.klp.common.core.page.TableDataInfo;
import com.klp.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.klp.common.utils.StringUtils;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.klp.domain.bo.WmsJournalBo;
import com.klp.domain.vo.WmsJournalVo;
import com.klp.domain.WmsJournal;
import com.klp.mapper.WmsJournalMapper;
import com.klp.service.IWmsJournalService;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.Collection;
import java.util.Optional;

/**
 * 资金日记账Service业务层处理
 *
 * @author klp
 * @date 2025-08-13
 */
@RequiredArgsConstructor
@Service
public class WmsJournalServiceImpl implements IWmsJournalService {

    private final WmsJournalMapper baseMapper;

    /**
     * 查询资金日记账
     */
    @Override
    public WmsJournalVo queryById(Long journalId){
        return baseMapper.selectVoById(journalId);
    }

    /**
     * 查询资金日记账列表
     */
    @Override
    public TableDataInfo<WmsJournalVo> queryPageList(WmsJournalBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<WmsJournal> lqw = buildQueryWrapper(bo);
        Page<WmsJournalVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }

    /**
     * 查询资金日记账列表
     */
    @Override
    public List<WmsJournalVo> queryList(WmsJournalBo bo) {
        LambdaQueryWrapper<WmsJournal> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<WmsJournal> buildQueryWrapper(WmsJournalBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<WmsJournal> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getJournalDate() != null, WmsJournal::getJournalDate, bo.getJournalDate());
        lqw.eq(StringUtils.isNotBlank(bo.getSummary()), WmsJournal::getSummary, bo.getSummary());
        lqw.eq(StringUtils.isNotBlank(bo.getTransType()), WmsJournal::getTransType, bo.getTransType());
        lqw.eq(StringUtils.isNotBlank(bo.getCounterpart()), WmsJournal::getCounterpart, bo.getCounterpart());
        lqw.eq(bo.getIncomeAmount() != null, WmsJournal::getIncomeAmount, bo.getIncomeAmount());
        lqw.eq(bo.getExpenseAmount() != null, WmsJournal::getExpenseAmount, bo.getExpenseAmount());
        lqw.eq(bo.getBalanceAmount() != null, WmsJournal::getBalanceAmount, bo.getBalanceAmount());
        return lqw;
    }

    /**
     * 新增资金日记账
     */
    @Override
    public Boolean insertByBo(WmsJournalBo bo) {
        WmsJournal journal = BeanUtil.toBean(bo, WmsJournal.class);
        validEntityBeforeSave(journal);
        computeBalance(journal);
        boolean flag = baseMapper.insert(journal) > 0;
        if (flag) {
            bo.setJournalId(journal.getJournalId());
        }
        return flag;
    }

    @Override
    public void computeBalance(WmsJournal journal) {
        // 计算新的余额
        BigDecimal lastBalance = baseMapper.getLastBalance();
        if (lastBalance == null) {
            lastBalance = BigDecimal.ZERO;
        }
        BigDecimal newBalance = lastBalance
            .add(Optional.ofNullable(journal.getIncomeAmount()).orElse(BigDecimal.ZERO))
            .subtract(Optional.ofNullable(journal.getExpenseAmount()).orElse(BigDecimal.ZERO));

        journal.setBalanceAmount(newBalance);
    }

    /**
     * 修改资金日记账
     */
    @Override
    public Boolean updateByBo(WmsJournalBo bo) {
        WmsJournal update = BeanUtil.toBean(bo, WmsJournal.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(WmsJournal entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除资金日记账
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }
}