package com.gkhy.hazmat.system.service.impl;

import cn.hutool.core.util.ObjectUtil;
import com.alibaba.excel.EasyExcel;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gkhy.hazmat.common.api.CommonPage;
import com.gkhy.hazmat.common.constant.UserConstant;
import com.gkhy.hazmat.common.domain.entity.SysUser;
import com.gkhy.hazmat.common.enums.HazmatKindEnum;
import com.gkhy.hazmat.common.enums.HazmatPackageEnum;
import com.gkhy.hazmat.common.enums.UserTypeEnum;
import com.gkhy.hazmat.common.excel.ProductBasicExcelData;
import com.gkhy.hazmat.common.excel.ProductBasicExcelDataListener;
import com.gkhy.hazmat.common.exception.ApiException;
import com.gkhy.hazmat.common.utils.PageUtils;
import com.gkhy.hazmat.common.utils.SecurityUtils;
import com.gkhy.hazmat.common.utils.StringUtils;
import com.gkhy.hazmat.system.domain.HzProductBasic;
import com.gkhy.hazmat.system.domain.vo.HzSecientificVo;
import com.gkhy.hazmat.system.mapper.HzPeculiarityMapper;
import com.gkhy.hazmat.system.mapper.HzProductBasicMapper;
import com.gkhy.hazmat.system.mapper.HzSecientificMapper;
import com.gkhy.hazmat.system.service.HzProductBasicService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

/**
 * <p>
 * 成品基础数据表 服务实现类
 * </p>
 *
 * @author kzy
 * @since 2024-08-06 16:03:53
 */
@Service
public class HzProductBasicServiceImpl extends ServiceImpl<HzProductBasicMapper, HzProductBasic> implements HzProductBasicService {

    @Autowired
    private HzSecientificMapper secientificMapper;

    @Override
    public CommonPage selectProductBasicList(HzProductBasic productBasic) {
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        if (!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())) {
            productBasic.setCompanyId(currentUser.getCompanyId());
        }
        PageUtils.startPage();
        List<HzProductBasic> basicList = baseMapper.selectProductBasicList(productBasic);
        return CommonPage.restPage(basicList);
    }

    @Override
    public HzProductBasic selectProductBasicById(Long productBasicId) {
        HzProductBasic productBasic = baseMapper.selectById(productBasicId);
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        if (currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())) {
            return productBasic;
        } else if (!productBasic.getCompanyId().equals(currentUser.getCompanyId())) {
            throw new ApiException("无权限查看其它企业数据");
        }
        return productBasic;
    }

    @Override
    public int insertProductBasic(HzProductBasic productBasic) {
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        productBasic.setCreateBy(currentUser.getUsername());
        productBasic.setCompanyId(currentUser.getCompanyId());

        HzSecientificVo hzSecientificVo = secientificMapper.selectBySecientificName(productBasic.getName());
        productBasic.setPeculiarityType(hzSecientificVo!=null? hzSecientificVo.getPeculiarityType() : null);
        productBasic.setPeculiarityNumber(hzSecientificVo!=null ? hzSecientificVo.getPeculiarityNumber() : 0);
        productBasic.setSecientificId(hzSecientificVo!=null? hzSecientificVo.getId() : null);

        if (!checkProductSnUnique(productBasic)) {
            throw new ApiException("产品编号已存在");
        }
        checkUserAllowed(null,currentUser);
        int row = baseMapper.insert(productBasic);
        if (row < 1) {
            throw new ApiException("新增成品基础信息失败");
        }
        return row;
    }

    @Override
    public int updateProductBasic(HzProductBasic productBasic) {
        if (!checkProductSnUnique(productBasic)) {
            throw new ApiException("产品编号已存在");
        }
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        checkUserAllowed(productBasic,currentUser);
        productBasic.setUpdateBy(currentUser.getUsername());
        HzSecientificVo hzSecientificVo = secientificMapper.selectBySecientificName(productBasic.getName());
        productBasic.setPeculiarityType(hzSecientificVo!=null? hzSecientificVo.getPeculiarityType() : null);
        productBasic.setPeculiarityNumber(hzSecientificVo!=null ? hzSecientificVo.getPeculiarityNumber() : 0);
        productBasic.setSecientificId(hzSecientificVo!=null? hzSecientificVo.getId() : null);
        int row=baseMapper.updateById(productBasic);
        if(row<1){
            throw new ApiException("更新成品基础信息失败");
        }
        return row;
    }

    public void checkUserAllowed(HzProductBasic productBasic,SysUser user) {
        if (user.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())) {
            throw new ApiException("管理员不能操作");
        }
        if(productBasic!=null){
            if(!Objects.equals(user.getCompanyId(), productBasic.getCompanyId())){
                throw new ApiException("无权限操作其他企业数据");
            }
        }
    }

    @Override
    public int deleteProductBasicById(Long productBasicId) {
        HzProductBasic productBasic=baseMapper.selectById(productBasicId);
        if(productBasic==null){
            throw new ApiException("成品基础信息不存在");
        }
        SysUser currentUser = SecurityUtils.getLoginUser().getUser();
        checkUserAllowed(productBasic,currentUser);
        baseMapper.deleteProductBasicById(productBasicId);
        return 0;
    }

    @Override
    public boolean checkProductSnUnique(HzProductBasic productBasic) {
        Long productBasicId=productBasic.getId()==null?-1L:productBasic.getId();
        HzProductBasic pb= baseMapper.checkProductSnUnique(productBasic.getProductSn(),productBasic.getCompanyId());
        if(pb!=null&&pb.getId().longValue()!=productBasicId.longValue()){
            return UserConstant.NOT_UNIQUE;
        }
        return UserConstant.UNIQUE;
    }


    @Override
    @Transactional(rollbackFor = RuntimeException.class)
    public Integer importExcel(MultipartFile file) throws IOException {
        if(ObjectUtil.isEmpty(file)){
            throw new ApiException("上传对象不能为空");
        }
        SysUser currentUser=SecurityUtils.getLoginUser().getUser();
        checkUserAllowed(null,currentUser);
        List<ProductBasicExcelData> productExcelDataList = EasyExcel.read(file.getInputStream(), ProductBasicExcelData.class, new ProductBasicExcelDataListener()).sheet().doReadSync();
        List<HzProductBasic> productBasicList=new ArrayList<>();

        for(ProductBasicExcelData productBasicExcelData:productExcelDataList){
            validateData(productBasicExcelData);
            if (!checkProductSnUnique(new HzProductBasic().setProductSn(productBasicExcelData.getProductSn()).setCompanyId(currentUser.getCompanyId()))) {
                throw new ApiException("序号"+productBasicExcelData.getIndex()+"产品编号已存在");
            }
            HzProductBasic productBasic=new HzProductBasic();
            BeanUtils.copyProperties(productBasicExcelData,productBasic,new String[]{"kind","minPackage"});
            Integer kind= HazmatKindEnum.getCodeByInfo(productBasicExcelData.getKind());
            if(kind==null){
                throw new ApiException("序号"+productBasicExcelData.getIndex()+"种类填写不正确");
            }
            Integer minPackage= HazmatPackageEnum.getCodeByInfo(productBasicExcelData.getMinPackage());
            if(minPackage==null){
                throw new ApiException("序号"+productBasicExcelData.getIndex()+"最小包装类型填写不正确");
            }
            HzSecientificVo hzSecientificVo = secientificMapper.selectBySecientificName(productBasic.getName());
            productBasic.setPeculiarityType(hzSecientificVo!=null? hzSecientificVo.getPeculiarityType() : null);
            productBasic.setPeculiarityNumber(hzSecientificVo!=null ? hzSecientificVo.getPeculiarityNumber() : 0);
            productBasic.setSecientificId(hzSecientificVo!=null? hzSecientificVo.getId() : null);
            productBasic.setKind(kind);
            productBasic.setMinPackage(minPackage);
            productBasic.setCompanyId(currentUser.getCompanyId());
            productBasic.setCreateBy(currentUser.getUsername());
            productBasicList.add(productBasic);
        }
        if(!productBasicList.isEmpty()){
            if(productBasicList.size()>100){
                int pageSize=100;
                while (true){
                    List<HzProductBasic> hazmatBasics=productBasicList.subList(0, Math.min(productBasicList.size(), pageSize));
                    saveBatch(hazmatBasics);
                    if(hazmatBasics.size()<pageSize){
                        break;
                    }
                    productBasicList=productBasicList.subList(pageSize,productBasicList.size());
                    if(productBasicList.isEmpty()){
                        break;
                    }
                }
            }else{
                saveBatch(productBasicList);
            }
        }
        return productBasicList.size();
    }


    public void validateData(ProductBasicExcelData productBasicExcelData){
        if(StringUtils.isBlank(productBasicExcelData.getName())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"名称为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getProductSn())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"产品编码为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getKind())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"种类为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getCas())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"CAS为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getProductType())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"试剂类型为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getProductCharacter())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"危险性质为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getSupplier())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"供应商为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getManufacturer())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"厂家为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getProductFormat())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"规格为空");
        }
        if(ObjectUtil.isEmpty(productBasicExcelData.getMetering())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"包装数量为空");
        }
        if(StringUtils.isBlank(productBasicExcelData.getUnit())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"包装单位为空");
        }
        if(ObjectUtil.isEmpty(productBasicExcelData.getPrice())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"含税价格为空");
        }
        if(ObjectUtil.isEmpty(productBasicExcelData.getMinPackage())){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"最小包装类型为空");
        }

        if(ObjectUtil.isEmpty(productBasicExcelData.getMaxEntry())||productBasicExcelData.getMaxEntry()<1){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"单次录入最大数量为空或者小于0");
        }

        if(productBasicExcelData.getMetering().compareTo(BigDecimal.ZERO)<=0){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"包装数量小于0");
        }

        if(productBasicExcelData.getPrice().compareTo(BigDecimal.ZERO)<=0){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"含税价格小于0");
        }

        if(ObjectUtil.isNotEmpty(productBasicExcelData.getPerBox()) && productBasicExcelData.getPerBox()<=0){
            throw new ApiException("序号"+productBasicExcelData.getIndex()+"每箱数量小于0");
        }



    }
}