package com.ruoyi.sales.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.enums.FileNameType;
import com.ruoyi.framework.web.domain.AjaxResult;
import com.ruoyi.other.service.impl.TempFileServiceImpl;
import com.ruoyi.sales.dto.ShippingInfoDto;
import com.ruoyi.sales.pojo.ShippingInfo;
import com.ruoyi.sales.pojo.ShippingInfoDetail;
import com.ruoyi.sales.mapper.ShippingInfoDetailMapper;
import com.ruoyi.sales.service.ShippingInfoDetailService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.sales.service.ShippingInfoService;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;

/**
 * <p>
 * 发货明细表 服务实现类
 * </p>
 *
 * @author 芯导软件（江苏）有限公司
 * @since 2026-03-16 01:27:40
 */
@Service
public class ShippingInfoDetailServiceImpl extends ServiceImpl<ShippingInfoDetailMapper, ShippingInfoDetail> implements ShippingInfoDetailService {

    @Autowired
    private ShippingInfoDetailMapper shippingInfoDetailMapper;

    @Autowired
    private ShippingInfoService shippingInfoService;

    @Autowired
    private TempFileServiceImpl tempFileService;

    @Autowired
    private CommonFileServiceImpl commonFileService;

    @Override
    public IPage<ShippingInfoDetail> listPage(Page page, ShippingInfoDetail shippingInfoDetail) {
        IPage<ShippingInfoDetail> shippingInfoDetailIPage = shippingInfoDetailMapper.listPage(page, shippingInfoDetail);
        shippingInfoDetailIPage.getRecords().forEach(item ->{
            item.setCommonFileList(commonFileService.getFileListByBusinessId(item.getId(), FileNameType.SHIP.getValue()));
        });
        return shippingInfoDetailIPage;
    }

    @Override
    public AjaxResult updateShippingInfoDetail(ShippingInfoDetail shippingInfoDetail) {
        return AjaxResult.success(shippingInfoDetailMapper.updateById(shippingInfoDetail));
    }

    @Override
    public AjaxResult add(ShippingInfoDetail shippingInfoDetail) throws IOException {
        BigDecimal shippingSuccessTotal = getShippingSuccessTotal(shippingInfoDetail.getShippingInfoId());
        BigDecimal add = shippingSuccessTotal.add(shippingInfoDetail.getShippingNum());
        shippingInfoDetailMapper.insert(shippingInfoDetail);
        ShippingInfoDto shippingInfo = new ShippingInfoDto();
        BeanUtils.copyProperties(shippingInfoDetail, shippingInfo);
        shippingInfo.setId(shippingInfoDetail.getShippingInfoId());
        // 判断是不是最后一批货
        if (add.compareTo(shippingInfoDetail.getShippingTotal()) == 0) {
            shippingInfo.setStatus("已发货");
        }else{
            shippingInfo.setStatus("发货中");
        }
        shippingInfoService.deductStock(shippingInfo);
        // 迁移文件
        if(CollectionUtils.isNotEmpty(shippingInfoDetail.getTempFileIds())){
            tempFileService.migrateTempFilesToFormal(shippingInfoDetail.getId(), shippingInfoDetail.getTempFileIds(), FileNameType.SHIP.getValue());
        }
        return AjaxResult.success("发货成功");
    }

    @Override
    public AjaxResult delete(List<Long> ids) {
        boolean b = this.removeByIds(ids);
        // 删除附件
        commonFileService.deleteByBusinessIds(ids, FileNameType.SHIP.getValue());
        return b ? AjaxResult.success("删除成功") : AjaxResult.error("删除失败");
    }

    /**
     * 通过发货信息id获取已发货数量
     */
    public BigDecimal getShippingSuccessTotal(Long shippingInfoId) {
        List<ShippingInfoDetail> shippingInfoDetails = shippingInfoDetailMapper.selectList(new LambdaQueryWrapper<ShippingInfoDetail>()
                .eq(ShippingInfoDetail::getShippingInfoId, shippingInfoId));
        return Optional.ofNullable(shippingInfoDetails)
                .orElse(Collections.emptyList())
                .stream()
                .filter(Objects::nonNull)
                .map(ShippingInfoDetail::getShippingNum)
                .reduce(BigDecimal.ZERO, BigDecimal::add);
    }
}