package com.jsh.erp.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.jsh.erp.constants.BusinessConstants;
import com.jsh.erp.constants.ExceptionConstants;
import com.jsh.erp.datasource.entities.Material;
import com.jsh.erp.datasource.entities.Unit;
import com.jsh.erp.datasource.entities.UnitExample;
import com.jsh.erp.datasource.entities.User;
import com.jsh.erp.datasource.mappers.MaterialMapperEx;
import com.jsh.erp.datasource.mappers.UnitMapper;
import com.jsh.erp.datasource.mappers.UnitMapperEx;
import com.jsh.erp.datasource.vo.UnitListVo;
import com.jsh.erp.exception.BusinessRunTimeException;
import com.jsh.erp.exception.JshException;
import com.jsh.erp.service.LogService;
import com.jsh.erp.service.UnitService;
import com.jsh.erp.service.UserService;
import com.jsh.erp.utils.PageUtils;
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 org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

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

@Service
public class UnitServiceImpl extends ServiceImpl<UnitMapper,Unit> implements UnitService {
    private Logger logger = LoggerFactory.getLogger(UnitServiceImpl.class);

    @Resource
    private UnitMapper unitMapper;
    @Resource
    private UnitMapperEx unitMapperEx;
    @Resource
    private UserService userService;
    @Resource
    private LogService logService;
    @Resource
    private MaterialMapperEx materialMapperEx;

    @Override
    public Unit getUnit(long id) {
        Unit result=null;
        try{
            result=unitMapper.selectByPrimaryKey(id);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return result;
    }

    @Override
    public List<Unit> getUnitListByIds(String ids) {
        List<Long> idList = StringUtil.strToLongList(ids);
        List<Unit> list = new ArrayList<>();
        try{
            UnitExample example = new UnitExample();
            example.createCriteria().andIdIn(idList);
            list = unitMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list;
    }

    /**
     * 所有单位集合
     */
    @Override
    public List<Unit> unitList() {
        UnitExample example = new UnitExample();
        example.createCriteria().andEnabledEqualTo(true).andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<Unit> list = null;
        try{
            list = unitMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list;
    }

    @Override
    public List<Unit> select(String name)throws Exception {
        List<Unit> list=null;
        try{
            PageUtils.startPage();
            list=unitMapperEx.selectByConditionUnit(name);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list;
    }

    /**
     * 新增单位
     * @param unit 单位
     */
    @Override
    public int insertUnit(Unit unit, HttpServletRequest request)throws Exception {
        int result=0;
        try{
            unit.setEnabled(true);
            result=unitMapper.insertSelective(unit);
            logService.insertLog("多单位",
                    new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_ADD).append(unit.getName()).toString(), request);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    /**
     * 修改单位
     * @param unit 单位
     */
    @Override
    public int updateUnit(Unit unit, HttpServletRequest request) {
        int result=0;
        try{
            result = unitMapper.updateByPrimaryKeySelective(unit);
            logService.insertLog("多单位",
                    new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_EDIT).append(unit.getName()).toString(), request);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    /**
     * 根据单位信息生成名称的格式
     * @param unit
     */
    private void parseNameByUnit(Unit unit) {
        String unitName = unit.getBasicUnit() + "/" + "(" +  unit.getOtherUnit() + "=" + unit.getRatio().toString() + unit.getBasicUnit() + ")";
        if(StringUtil.isNotEmpty(unit.getOtherUnitTwo()) && unit.getRatioTwo()!=null) {
            unitName += "/" + "(" + unit.getOtherUnitTwo() + "=" + unit.getRatioTwo().toString() + unit.getBasicUnit() + ")";
            if(StringUtil.isNotEmpty(unit.getOtherUnitThree()) && unit.getRatioThree()!=null) {
                unitName += "/" + "(" + unit.getOtherUnitThree() + "=" + unit.getRatioThree().toString() + unit.getBasicUnit() + ")";
            }
        }
        unit.setName(unitName);
    }

    /**
     * 删除单位
     * @param id 单位id
     * @param request
     */
    @Override
    public int deleteUnit(Long id, HttpServletRequest request) {
        return batchDeleteUnitByIds(id.toString());
    }

    /**
     * 批量删除单位
     * @param ids 单位id字符集
     * @param request
     */
    @Override
    public int batchDeleteUnit(String ids, HttpServletRequest request){
        return batchDeleteUnitByIds(ids);
    }

    /**
     * 检查单位名称是否存在
     * @param name 单位名称
     * @return 单位数量
     */
    @Override
    public int checkIsNameExist(String name) {
        UnitExample example = new UnitExample();
        example.createCriteria().andNameEqualTo(name.replaceAll(" ", "")).andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<Unit> list = null;
        try{
            list = unitMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list == null ? 0 : list.size();
    }

    /**
     * 根据条件查询单位id
     * @param basicUnit
     * @param otherUnit
     * @param ratio
     * @return
     */
    @Override
    public Long getUnitIdByParam(String basicUnit, String otherUnit, BigDecimal ratio){
        Long unitId = null;
        UnitExample example = new UnitExample();
        example.createCriteria().andBasicUnitEqualTo(basicUnit).andOtherUnitEqualTo(otherUnit).andRatioEqualTo(ratio)
                .andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<Unit> list = unitMapper.selectByExample(example);
        if(list!=null && list.size()>0) {
            unitId = list.get(0).getId();
        }
        return unitId;
    }

    /**
     * 根据多单位的比例进行库存换算（保留两位小数）
     * @param stock
     * @param unitInfo
     * @param materialUnit
     * @return
     */
    @Override
    public BigDecimal parseStockByUnit(BigDecimal stock, Unit unitInfo, String materialUnit) {
        if(materialUnit.equals(unitInfo.getOtherUnit()) && unitInfo.getRatio()!=null && unitInfo.getRatio().compareTo(BigDecimal.ZERO)!=0) {
            stock = stock.divide(unitInfo.getRatio(),2,BigDecimal.ROUND_HALF_UP);
        }
        if(materialUnit.equals(unitInfo.getOtherUnitTwo()) && unitInfo.getRatioTwo()!=null && unitInfo.getRatioTwo().compareTo(BigDecimal.ZERO)!=0) {
            stock = stock.divide(unitInfo.getRatioTwo(),2,BigDecimal.ROUND_HALF_UP);
        }
        if(materialUnit.equals(unitInfo.getOtherUnitThree()) && unitInfo.getRatioThree()!=null && unitInfo.getRatioThree().compareTo(BigDecimal.ZERO)!=0) {
            stock = stock.divide(unitInfo.getRatioThree(),2,BigDecimal.ROUND_HALF_UP);
        }
        return stock;
    }

    /**
     * 根据多单位的比例进行单价换算（保留两位小数）,变大
     * @param unitPrice
     * @param unitInfo
     * @param materialUnit
     * @return
     */
    @Override
    public BigDecimal parseUnitPriceByUnit(BigDecimal unitPrice, Unit unitInfo, String materialUnit) {
        if (materialUnit.equals(unitInfo.getOtherUnit()) && unitInfo.getRatio() != null && unitInfo.getRatio().compareTo(BigDecimal.ZERO) != 0) {
            unitPrice = unitPrice.multiply(unitInfo.getRatio());
        }
        if (materialUnit.equals(unitInfo.getOtherUnitTwo()) && unitInfo.getRatioTwo() != null && unitInfo.getRatioTwo().compareTo(BigDecimal.ZERO) != 0) {
            unitPrice = unitPrice.multiply(unitInfo.getRatioTwo());
        }
        if (materialUnit.equals(unitInfo.getOtherUnitThree()) && unitInfo.getRatioThree() != null && unitInfo.getRatioThree().compareTo(BigDecimal.ZERO) != 0) {
            unitPrice = unitPrice.multiply(unitInfo.getRatioThree());
        }
        return unitPrice;
    }

    /**
     * 根据多单位的比例进行总金额换算（保留两位小数），变小
     * @param allPrice
     * @param unitInfo
     * @param materialUnit
     * @return
     */
    @Override
    public BigDecimal parseAllPriceByUnit(BigDecimal allPrice, Unit unitInfo, String materialUnit) {
        if (materialUnit.equals(unitInfo.getOtherUnit()) && unitInfo.getRatio() != null && unitInfo.getRatio().compareTo(BigDecimal.ZERO) != 0) {
            allPrice = allPrice.divide(unitInfo.getRatio(), 2, BigDecimal.ROUND_HALF_UP);
        }
        if (materialUnit.equals(unitInfo.getOtherUnitTwo()) && unitInfo.getRatioTwo() != null && unitInfo.getRatioTwo().compareTo(BigDecimal.ZERO) != 0) {
            allPrice = allPrice.divide(unitInfo.getRatioTwo(), 2, BigDecimal.ROUND_HALF_UP);
        }
        if (materialUnit.equals(unitInfo.getOtherUnitThree()) && unitInfo.getRatioThree() != null && unitInfo.getRatioThree().compareTo(BigDecimal.ZERO) != 0) {
            allPrice = allPrice.divide(unitInfo.getRatioThree(), 2, BigDecimal.ROUND_HALF_UP);
        }
        return allPrice;
    }

    /**
     * 批量设置状态
     * @param status 状态
     * @param ids 单位id
     */
    @Override
    public int batchSetStatus(Boolean status, String ids){
        logService.insertLog("多单位",
                new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_ENABLED).toString(),
                ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest());
        List<Long> unitIds = StringUtil.strToLongList(ids);
        Unit unit = new Unit();
        unit.setEnabled(status);
        UnitExample example = new UnitExample();
        example.createCriteria().andIdIn(unitIds);
        int result=0;
        try{
            result = unitMapper.updateByExampleSelective(unit, example);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    /**
     * 根据单位id获取单位值集合
     * @param id 单位id
     */
    @Override
    public List getUnitListByID(Long id){
        Unit unit = unitMapper.selectByPrimaryKey(id);
        List<UnitListVo> list = new ArrayList();
        UnitListVo unitListVo = new UnitListVo().setName(unit.getBasicUnit()).setRatio(new BigDecimal("1"));
        list.add(unitListVo);
        if (unit.getOtherUnit() != null){
            UnitListVo vo = new UnitListVo().setName(unit.getOtherUnit()).setRatio(unit.getRatio());
            list.add(vo);
        }
        if (unit.getOtherUnitTwo() != null){
            UnitListVo vo = new UnitListVo().setName(unit.getOtherUnitTwo()).setRatio(unit.getRatioTwo());
            list.add(vo);
        }
        if (unit.getOtherUnitThree() != null){
            UnitListVo vo = new UnitListVo().setName(unit.getOtherUnitThree()).setRatio(unit.getRatioThree());
            list.add(vo);
        }
        return list;
    }

    /**
     * 批量删除多单位
     * @param ids
     * @return
     * @throws Exception
     */
    private int batchDeleteUnitByIds(String ids) {
        int result=0;
        String [] idArray = ids.split(",");
        //校验产品表	jsh_material
//        List<Material> materialList = null;
//        try{
//            materialList = materialMapperEx.getMaterialListByUnitIds(idArray);
//        }catch(Exception e){
//            JshException.readFail(logger, e);
//        }
//        if(materialList!=null&&materialList.size()>0){
//            logger.error("异常码[{}],异常提示[{}],参数,UnitIds[{}]",
//                    ExceptionConstants.DELETE_FORCE_CONFIRM_CODE,ExceptionConstants.DELETE_FORCE_CONFIRM_MSG,ids);
//            throw new BusinessRunTimeException(ExceptionConstants.DELETE_FORCE_CONFIRM_CODE,
//                    ExceptionConstants.DELETE_FORCE_CONFIRM_MSG);
//        }
        //记录日志
        StringBuffer sb = new StringBuffer();
        sb.append(BusinessConstants.LOG_OPERATION_TYPE_DELETE);
        List<Unit> list = getUnitListByIds(ids);
        for(Unit unit: list){
            sb.append("[").append(unit.getName()).append("]");
        }
        logService.insertLog("多单位", sb.toString(),
                ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest());
        User userInfo = userService.getCurrentUser();
        //校验通过执行删除操作
        try{
            result = unitMapperEx.batchDeleteUnitByIds(new Date(),userInfo == null ? null : userInfo.getId(),idArray);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }
}