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 com.klp.wms.annotation.CoilChangeLog;
import com.klp.wms.enums.CoilChangeType;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.klp.domain.bo.WmsCoilPackingDetailBo;
import com.klp.domain.bo.WmsMaterialCoilBo;
import com.klp.domain.vo.WmsCoilPackingDetailVo;
import com.klp.domain.vo.WmsMaterialCoilVo;
import com.klp.domain.WmsCoilPackingDetail;
import com.klp.domain.WmsCoilPackingRecord;
import com.klp.domain.WmsMaterialCoil;
import com.klp.mapper.WmsCoilPackingDetailMapper;
import com.klp.mapper.WmsCoilPackingRecordMapper;
import com.klp.mapper.WmsMaterialCoilMapper;
import com.klp.service.IWmsCoilPackingDetailService;
import com.klp.service.IWmsMaterialCoilService;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 钢卷打包明细（存储每个钢卷的库区/重量信息）Service业务层处理
 *
 * @author klp
 * @date 2026-03-23
 */
@RequiredArgsConstructor
@Service
public class WmsCoilPackingDetailServiceImpl implements IWmsCoilPackingDetailService {

    private final WmsCoilPackingDetailMapper baseMapper;
    private final IWmsMaterialCoilService iWmsMaterialCoilService;
    private final WmsCoilPackingRecordMapper recordMapper;
    private final WmsMaterialCoilMapper coilMapper;

    /**
     * 查询钢卷打包明细（存储每个钢卷的库区/重量信息）
     */
    @Override
    public WmsCoilPackingDetailVo queryById(Long detailId){
        return baseMapper.selectVoById(detailId);
    }

    /**
     * 查询钢卷打包明细（存储每个钢卷的库区/重量信息）列表
     */
    @Override
    public TableDataInfo<WmsCoilPackingDetailVo> queryPageList(WmsCoilPackingDetailBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<WmsCoilPackingDetail> lqw = buildQueryWrapper(bo);
        Page<WmsCoilPackingDetailVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);

        if (result.getRecords() != null && !result.getRecords().isEmpty()) {
            enrichCoilInfo(result.getRecords());
        }

        return TableDataInfo.build(result);
    }

    /**
     * 查询钢卷打包明细（存储每个钢卷的库区/重量信息）列表
     */
    @Override
    public List<WmsCoilPackingDetailVo> queryList(WmsCoilPackingDetailBo bo) {
        LambdaQueryWrapper<WmsCoilPackingDetail> lqw = buildQueryWrapper(bo);
        List<WmsCoilPackingDetailVo> list = baseMapper.selectVoList(lqw);

        if (list != null && !list.isEmpty()) {
            enrichCoilInfo(list);
        }

        return list;
    }

    private void enrichCoilInfo(List<WmsCoilPackingDetailVo> detailVos) {
        List<Long> coilIds = detailVos.stream()
            .map(WmsCoilPackingDetailVo::getCoilId)
            .filter(Objects::nonNull)
            .distinct()
            .collect(Collectors.toList());

        if (coilIds.isEmpty()) {
            return;
        }

        WmsMaterialCoilBo coilBo = new WmsMaterialCoilBo();
        coilBo.setCoilIds(StringUtils.join(coilIds, ","));
        List<WmsMaterialCoilVo> coilVoList = iWmsMaterialCoilService.queryList(coilBo);

        Map<Long, WmsMaterialCoilVo> coilMap = coilVoList.stream()
            .collect(Collectors.toMap(WmsMaterialCoilVo::getCoilId, v -> v, (a, b) -> a));

        for (WmsCoilPackingDetailVo detailVo : detailVos) {
            detailVo.setCoil(coilMap.get(detailVo.getCoilId()));
        }
    }

    private LambdaQueryWrapper<WmsCoilPackingDetail> buildQueryWrapper(WmsCoilPackingDetailBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<WmsCoilPackingDetail> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getPackingId() != null, WmsCoilPackingDetail::getPackingId, bo.getPackingId());
        lqw.eq(bo.getCoilId() != null, WmsCoilPackingDetail::getCoilId, bo.getCoilId());
        lqw.eq(bo.getFromWarehouseId() != null, WmsCoilPackingDetail::getFromWarehouseId, bo.getFromWarehouseId());
        lqw.eq(bo.getToWarehouseId() != null, WmsCoilPackingDetail::getToWarehouseId, bo.getToWarehouseId());
        lqw.eq(bo.getCoilGrossWeight() != null, WmsCoilPackingDetail::getCoilGrossWeight, bo.getCoilGrossWeight());
        lqw.eq(bo.getCoilNetWeight() != null, WmsCoilPackingDetail::getCoilNetWeight, bo.getCoilNetWeight());
        return lqw;
    }

    /**
     * 新增钢卷打包明细（存储每个钢卷的库区/重量信息）
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    @CoilChangeLog(value = "打包入库", changeType = CoilChangeType.UPDATE, coilIdBoField = "coilId")
    public Boolean insertByBo(WmsCoilPackingDetailBo bo) {
        Long packingId = bo.getPackingId();
        if (packingId == null) {
            throw new RuntimeException("打包主表ID不能为空");
        }

        Long coilId = bo.getCoilId();
        WmsMaterialCoil coil = coilMapper.selectById(coilId);
        if (coil == null) {
            throw new RuntimeException("钢卷不存在，coilId: " + coilId);
        }

        bo.setFromWarehouseId(coil.getWarehouseId());
        bo.setCoilGrossWeight(coil.getGrossWeight());
        bo.setCoilNetWeight(coil.getNetWeight());

        WmsCoilPackingDetail add = BeanUtil.toBean(bo, WmsCoilPackingDetail.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;

        if (flag) {
            bo.setDetailId(add.getDetailId());
            updateRecordWeight(packingId);

            WmsMaterialCoil updateCoil = new WmsMaterialCoil();
            updateCoil.setCoilId(coilId);
            updateCoil.setWarehouseId(bo.getToWarehouseId());
            if (StringUtils.isNotBlank(bo.getSaleName())) {
                updateCoil.setSaleName(bo.getSaleName());
            }
            coilMapper.updateById(updateCoil);
        }

        return flag;
    }

    /**
     * 修改钢卷打包明细（存储每个钢卷的库区/重量信息）
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    @CoilChangeLog(value = "打包更新", changeType = CoilChangeType.UPDATE, coilIdBoField = "coilId")
    public Boolean updateByBo(WmsCoilPackingDetailBo bo) {
        Long packingId = bo.getPackingId();
        if (packingId == null) {
            throw new RuntimeException("打包主表ID不能为空");
        }
        // coilId不能为null
        if (bo.getCoilId() == null){
            throw new RuntimeException("钢卷ID不能为空");
        }

        WmsCoilPackingDetail update = BeanUtil.toBean(bo, WmsCoilPackingDetail.class);
        validEntityBeforeSave(update);
        boolean flag = baseMapper.updateById(update) > 0;

        if (flag) {
            updateRecordWeight(packingId);

            WmsMaterialCoil updateCoil = new WmsMaterialCoil();
            updateCoil.setCoilId(bo.getCoilId());
            updateCoil.setWarehouseId(bo.getToWarehouseId());
            if (StringUtils.isNotBlank(bo.getSaleName())) {
                updateCoil.setSaleName(bo.getSaleName());
            }
            coilMapper.updateById(updateCoil);
        }

        return flag;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(WmsCoilPackingDetail entity){
    }

    /**
     * 批量删除钢卷打包明细（存储每个钢卷的库区/重量信息）
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
        if (isValid) {
        }

        List<WmsCoilPackingDetail> details = baseMapper.selectBatchIds(ids);
        if (details.isEmpty()) {
            return false;
        }

        Set<Long> packingIds = new HashSet<>();
        for (WmsCoilPackingDetail detail : details) {
            packingIds.add(detail.getPackingId());
        }

        boolean flag = baseMapper.deleteBatchIds(ids) > 0;

        if (flag) {
            for (Long packingId : packingIds) {
                updateRecordWeight(packingId);
            }
        }

        return flag;
    }

    private void updateRecordWeight(Long packingId) {
        LambdaQueryWrapper<WmsCoilPackingDetail> lqw = Wrappers.lambdaQuery();
        lqw.eq(WmsCoilPackingDetail::getPackingId, packingId);
        List<WmsCoilPackingDetail> details = baseMapper.selectList(lqw);

        BigDecimal totalGrossWeight = BigDecimal.ZERO;
        BigDecimal totalNetWeight = BigDecimal.ZERO;

        for (WmsCoilPackingDetail detail : details) {
            totalGrossWeight = totalGrossWeight.add(detail.getCoilGrossWeight() != null ? detail.getCoilGrossWeight() : BigDecimal.ZERO);
            totalNetWeight = totalNetWeight.add(detail.getCoilNetWeight() != null ? detail.getCoilNetWeight() : BigDecimal.ZERO);
        }

        WmsCoilPackingRecord record = recordMapper.selectById(packingId);
        if (record != null) {
            record.setCoilCount((long) details.size());
            record.setTotalGrossWeight(totalGrossWeight);
            record.setTotalNetWeight(totalNetWeight);
            recordMapper.updateById(record);
        }
    }
}