package com.ruoyi.production.service.impl;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.basic.pojo.ProductModel;
import com.ruoyi.basic.service.IProductModelService;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.framework.web.domain.AjaxResult;
import com.ruoyi.production.dto.ProductBomDto;
import com.ruoyi.production.mapper.ProductBomMapper;
import com.ruoyi.production.mapper.ProductStructureMapper;
import com.ruoyi.production.pojo.ProductBom;
import com.ruoyi.production.pojo.ProductStructure;
import com.ruoyi.production.service.ProductBomService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;

/**
 * <p>
 * BOM主表 服务实现类
 * </p>
 *
 * @author 芯导软件（江苏）有限公司
 * @since 2026-01-15 09:59:27
 */
@Service
public class ProductBomServiceImpl extends ServiceImpl<ProductBomMapper, ProductBom> implements ProductBomService {

    @Autowired
    private ProductBomMapper productBomMapper;

    @Autowired
    private IProductModelService productModelService;

    @Autowired
    private ProductStructureMapper productStructureMapper;

    @Override
    public IPage<ProductBomDto> listPage(Page page, ProductBomDto productBomDto) {
        return productBomMapper.listPage(page, productBomDto);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public AjaxResult add(ProductBom productBom) {
        boolean save = productBomMapper.insert(productBom) > 0;
        if (save) {
            // 根据id生成no字段：GX + 8位数字（不足8位前面补0）
            String no = "BM." + String.format("%05d", productBom.getId());
            productBom.setBomNo(no);
            productBomMapper.updateById(productBom);

            //  查询出产品模型信息
            if (productBom.getProductModelId() == null) {
                throw new ServiceException("请选择产品模型");
            }

            ProductModel productModel = productModelService.getById(productBom.getProductModelId());
            if (productModel == null) {
                throw new ServiceException("选择的产品模型不存在");
            }

            //  添加初始的产品结构
            ProductStructure productStructure = new ProductStructure();
            productStructure.setProductModelId(productBom.getProductModelId());
            productStructure.setUnit(productModel.getUnit());
            productStructure.setUnitQuantity(BigDecimal.valueOf(1));
            productStructure.setBomId(Long.valueOf(productBom.getId()));

            productStructureMapper.insert(productStructure);

            return AjaxResult.success();
        }
        return AjaxResult.error();
    }
}