package com.jsh.erp.service.serialNumber;

import com.alibaba.fastjson.JSONObject;
import com.jsh.erp.constants.BusinessConstants;
import com.jsh.erp.constants.ExceptionConstants;
import com.jsh.erp.datasource.entities.*;
import com.jsh.erp.datasource.mappers.*;
import com.jsh.erp.exception.BusinessRunTimeException;
import com.jsh.erp.service.depotItem.DepotItemService;
import com.jsh.erp.service.material.MaterialService;
import com.jsh.erp.service.user.UserService;
import com.jsh.erp.utils.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * Description
 *
 * @Author: cjl
 * @Date: 2019/1/21 16:33
 */
@Service
public class SerialNumberService {
    private Logger logger = LoggerFactory.getLogger(MaterialService.class);

    @Resource
    private SerialNumberMapper serialNumberMapper;
    @Resource
    private SerialNumberMapperEx serialNumberMapperEx;
    @Resource
    private MaterialMapperEx materialMapperEx;
    @Resource
    private MaterialMapper materialMapper;
    @Resource
    private DepotItemService depotItemService;
    @Resource
    private UserService userService;
    @Resource
    private DepotItemMapperEx depotItemMapperEx;


    public SerialNumber getSerialNumber(long id) {
        return serialNumberMapper.selectByPrimaryKey(id);
    }

    public List<SerialNumber> getSerialNumber() {
        SerialNumberExample example = new SerialNumberExample();
        return serialNumberMapper.selectByExample(example);
    }

    public List<SerialNumberEx> select(String serialNumber, String materialName, Integer offset, Integer rows) {
        return serialNumberMapperEx.selectByConditionSerialNumber(serialNumber, materialName,offset, rows);

    }

    public int countSerialNumber(String serialNumber,String materialName) {
        return serialNumberMapperEx.countSerialNumber(serialNumber, materialName);
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int insertSerialNumber(String beanJson, HttpServletRequest request) {
        SerialNumber serialNumber = JSONObject.parseObject(beanJson, SerialNumber.class);
        return serialNumberMapper.insertSelective(serialNumber);
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int updateSerialNumber(String beanJson, Long id) {
        SerialNumber serialNumber = JSONObject.parseObject(beanJson, SerialNumber.class);
        serialNumber.setId(id);
        int res = serialNumberMapper.updateByPrimaryKeySelective(serialNumber);
        return res;
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int deleteSerialNumber(Long id) {
        return serialNumberMapper.deleteByPrimaryKey(id);
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int batchDeleteSerialNumber(String ids) {
        List<Long> idList = StringUtil.strToLongList(ids);
        SerialNumberExample example = new SerialNumberExample();
        example.createCriteria().andIdIn(idList);
        return serialNumberMapper.deleteByExample(example);
    }

    public int checkIsNameExist(Long id, String serialNumber) {
        SerialNumberExample example = new SerialNumberExample();
        example.createCriteria().andIdNotEqualTo(id).andSerialNumberEqualTo(serialNumber);
        List<SerialNumber> list = serialNumberMapper.selectByExample(example);
        return list.size();
    }



    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int batchSetEnable(Boolean enabled, String materialIDs) {
        List<Long> ids = StringUtil.strToLongList(materialIDs);
        SerialNumber serialNumber = new SerialNumber();
        SerialNumberExample example = new SerialNumberExample();
        example.createCriteria().andIdIn(ids);
        return serialNumberMapper.updateByExampleSelective(serialNumber, example);
    }


    public List<SerialNumberEx> findById(Long id){
        return serialNumberMapperEx.findById(id);
    }




    public void checkIsExist(Long id, String materialName, String serialNumber) {
        /**
         * 商品名称不为空时，检查商品名称是否存在
         * */
            if(StringUtil.isNotEmpty(materialName)){
                List<Material> mlist = materialMapperEx.findByMaterialName(materialName);
               if(mlist==null||mlist.size()<1){
                   //商品名称不存在
                   throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_NOT_EXISTS_CODE,
                           ExceptionConstants.MATERIAL_NOT_EXISTS_MSG);
               }else if(mlist.size()>1){
                   //商品信息不唯一
                   throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_NOT_ONLY_CODE,
                           ExceptionConstants.MATERIAL_NOT_ONLY_MSG);

               }
            }
            /***
             * 判断序列号是否已存在
             * */
            List <SerialNumberEx> list = serialNumberMapperEx.findBySerialNumber(serialNumber);
            if(list!=null&&list.size()>0){
                if(list.size()>1){
                    //存在多个同名序列号
                    throw new BusinessRunTimeException(ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_CODE,
                            ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_MSG);
                }else{
                    //存在一个序列号
                    if(id==null){
                        //新增，存在要添加的序列号
                        throw new BusinessRunTimeException(ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_CODE,
                                ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_MSG);
                    }
                        if(id.equals(list.get(0).getId())){
                            //修改的是同一条数据
                        }else{
                            //存在一条不同的序列号信息
                            throw new BusinessRunTimeException(ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_CODE,
                                    ExceptionConstants.SERIAL_NUMBERE_ALREADY_EXISTS_MSG);
                        }
                }

            }
    }

    /**
     * 新增序列号信息
     * */
    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public SerialNumberEx addSerialNumber(SerialNumberEx serialNumberEx) {
        if(serialNumberEx==null){
            return null;
        }
        /**处理商品id*/
        if(serialNumberEx.getMaterialId()==null){
            serialNumberEx.setMaterialId(getSerialNumberMaterialIdByMaterialName(serialNumberEx.getMaterialName()));
        }
        //删除标记,默认未删除
        serialNumberEx.setDeleteFlag(BusinessConstants.DELETE_FLAG_EXISTS);
        //已卖出，默认未否
        serialNumberEx.setIsSell(BusinessConstants.IS_SELL_HOLD);
        Date date=new Date();
        serialNumberEx.setCreateTime(date);
        serialNumberEx.setUpdateTime(date);
        User userInfo=userService.getCurrentUser();
        serialNumberEx.setCreator(userInfo==null?null:userInfo.getId());
        serialNumberEx.setUpdater(userInfo==null?null:userInfo.getId());
        int result=serialNumberMapperEx.addSerialNumber(serialNumberEx);
        if(result==1){
            return serialNumberEx;
        }
        return null;
    }
    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public SerialNumberEx updateSerialNumber(SerialNumberEx serialNumberEx) {
        if(serialNumberEx==null){
            return null;
        }
        /**处理商品id*/
        serialNumberEx.setMaterialId(getSerialNumberMaterialIdByMaterialName(serialNumberEx.getMaterialName()));
        Date date=new Date();
        serialNumberEx.setUpdateTime(date);
        User userInfo=userService.getCurrentUser();
        serialNumberEx.setUpdater(userInfo==null?null:userInfo.getId());
        int result = serialNumberMapperEx.updateSerialNumber(serialNumberEx);
        if(result==1){
            return serialNumberEx;
        }
        return null;
    }
    /**
     * create by: cjl
     * description:
     *  根据商品名称判断商品名称是否有效
     * create time: 2019/1/23 17:04
     * @Param: materialName
     * @return Long 满足使用条件的商品的id
     */
    public Long checkMaterialName(String materialName){
        if(StringUtil.isNotEmpty(materialName)) {
            List<Material> mlist = materialMapperEx.findByMaterialName(materialName);
            if (mlist == null || mlist.size() < 1) {
                //商品名称不存在
                throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_NOT_EXISTS_CODE,
                        ExceptionConstants.MATERIAL_NOT_EXISTS_MSG);
            }
            if (mlist.size() > 1) {
                //商品信息不唯一
                throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_NOT_ONLY_CODE,
                        ExceptionConstants.MATERIAL_NOT_ONLY_MSG);

            }
            //获得唯一商品
            if (BusinessConstants.ENABLE_SERIAL_NUMBER_NOT_ENABLED.equals(mlist.get(0).getEnableSerialNumber())) {
                //商品未开启序列号
                throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_NOT_ENABLE_SERIAL_NUMBER_CODE,
                        ExceptionConstants.MATERIAL_NOT_ENABLE_SERIAL_NUMBER_MSG);
            }
            return mlist.get(0).getId();
        }
        return null;
    }
    /**
     * create by: cjl
     * description:
     *  根据商品名称判断给商品添加序列号是否可行
     *  1、根据商品名称必须查询到唯一的商品
     *  2、该商品必须已经启用序列号
     *  3、该商品已绑定序列号数量小于商品现有库存
     * create time: 2019/1/23 17:04
     * @Param: materialName
     * @return Long 满足使用条件的商品的id
     */
    public Long getSerialNumberMaterialIdByMaterialName(String materialName){
            if(StringUtil.isNotEmpty(materialName)){
            //计算商品库存和目前占用的可用序列号数量关系
            //库存=入库-出库
            //入库数量
            Long materialId=checkMaterialName(materialName);
            int inSum = depotItemService.findByTypeAndMaterialId(BusinessConstants.DEPOTHEAD_TYPE_STORAGE, materialId);
            //出库数量
            int outSum = depotItemService.findByTypeAndMaterialId(BusinessConstants.DEPOTHEAD_TYPE_OUT, materialId);
            //查询当前商品下有效的序列号
            int serialNumberSum = serialNumberMapperEx.findSerialNumberByMaterialId(materialId);
            if((inSum-outSum)<=serialNumberSum){
                throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_SERIAL_NUMBERE_NOT_MORE_THAN_STORAGE_CODE,
                        ExceptionConstants.MATERIAL_SERIAL_NUMBERE_NOT_MORE_THAN_STORAGE_MSG);
            }
            return materialId;
        }
        return null;
    }

    /**
     * create by: cjl
     * description:
     * 出库时判断序列号库存是否足够，
     * 同时将对应的序列号绑定单据
     * create time: 2019/1/24 16:24
     * @Param: List<DepotItem>
     * @return void
     */
    public void checkAndUpdateSerialNumber(DepotItem depotItem,User userInfo) throws Exception{
                if(depotItem!=null){
                    //查询商品下已分配的可用序列号数量
                    int SerialNumberSum= serialNumberMapperEx.countSerialNumberByMaterialIdAndDepotheadId(depotItem.getMaterialid(),null,BusinessConstants.IS_SELL_HOLD);
                    if(depotItem.getOpernumber().intValue()>SerialNumberSum){
                        //获取商品名称
                        Material material= materialMapper.selectByPrimaryKey(depotItem.getMaterialid());
                        throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_SERIAL_NUMBERE_NOT_ENOUGH_CODE,
                                String.format(ExceptionConstants.MATERIAL_SERIAL_NUMBERE_NOT_ENOUGH_MSG,material==null?"":material.getName()));
                    }
                    //商品下序列号充足，分配序列号
                    sellSerialNumber(depotItem.getMaterialid(),depotItem.getHeaderid(),depotItem.getOpernumber().intValue(),userInfo);
                }

    }
    /**
     *
     *
     * */
    /**
     * create by: cjl
     * description:
     * 卖出序列号
     * create time: 2019/1/25 9:17
     * @Param: materialId
     * @Param: depotheadId
     * @Param: isSell 卖出'1'
     * @Param: Count 卖出或者赎回的数量
     * @return com.jsh.erp.datasource.entities.SerialNumberEx
     */
    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int sellSerialNumber(Long materialId, Long depotheadId,int count,User user) throws Exception{
        return serialNumberMapperEx.sellSerialNumber(materialId,depotheadId,count,new Date(),user==null?null:user.getId());
    }

    /**
     * create by: cjl
     * description:
     * 赎回序列号
     * create time: 2019/1/25 9:17
     * @Param: materialId
     * @Param: depotheadId
     * @Param: isSell 赎回'0'
     * @Param: Count 卖出或者赎回的数量
     * @return com.jsh.erp.datasource.entities.SerialNumberEx
     */
    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int cancelSerialNumber(Long materialId, Long depotheadId,int count,User user) throws Exception{
        return serialNumberMapperEx.cancelSerialNumber(materialId,depotheadId,count,new Date(),user==null?null:user.getId());
    }

    /**
     * create by: cjl
     * description:
     *批量添加序列号
     * create time: 2019/1/29 15:11
     * @Param: materialName
     * @Param: serialNumberPrefix
     * @Param: batAddTotal
     * @Param: remark
     * @return java.lang.Object
     */
    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public void batAddSerialNumber(String materialName, String serialNumberPrefix, Integer batAddTotal, String remark) {
        if(StringUtil.isNotEmpty(materialName)){
            //查询商品id
            Long materialId = checkMaterialName(materialName);
            List<SerialNumberEx> list=null;
            //当前用户
            User userInfo=userService.getCurrentUser();
            Long userId=userInfo==null?null:userInfo.getId();
            Date date = null;
            Long million=null;
            synchronized(this){
                date = new Date();
                million=date.getTime();
            }

            int insertNum=0;
            StringBuffer prefixBuf=new StringBuffer(serialNumberPrefix).append(million);
            do{
                list=new ArrayList<SerialNumberEx>();
                int forNum = BusinessConstants.BATCH_INSERT_MAX_NUMBER>=batAddTotal?batAddTotal:BusinessConstants.BATCH_INSERT_MAX_NUMBER;
               for(int i=0;i<forNum;i++){
                   insertNum++;
                   SerialNumberEx each=new SerialNumberEx();
                   each.setMaterialId(materialId);
                   each.setCreator(userId);
                   each.setCreateTime(date);
                   each.setUpdater(userId);
                   each.setUpdateTime(date);
                   each.setRemark(remark);
                   each.setSerialNumber(new StringBuffer(prefixBuf.toString()).append(insertNum).toString());
                   list.add(each);
               }
                serialNumberMapperEx.batAddSerialNumber(list);
                batAddTotal -= BusinessConstants.BATCH_INSERT_MAX_NUMBER;
            }while(batAddTotal>0);
        }
    }
}
