package com.glxp.api.service.collect;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.core.util.XmlUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.pagehelper.PageHelper;
import com.glxp.api.dao.collect.RelCodeBatchMapper;
import com.glxp.api.entity.auth.AuthAdmin;
import com.glxp.api.entity.collect.RelCodeBatch;
import com.glxp.api.entity.collect.RelCodeDetail;
import com.glxp.api.exception.JsonException;
import com.glxp.api.req.collect.RelCodeBatchRequest;
import com.glxp.api.req.collect.RelCodeDetailRequest;
import com.glxp.api.res.collect.RelCodeBatchResponse;
import com.glxp.api.service.auth.CustomerService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

@Service
@Slf4j
public class RelCodeBatchService extends ServiceImpl<RelCodeBatchMapper, RelCodeBatch> {


    @Resource
    private RelCodeDetailService relCodeDetailService;
    @Resource
    private CustomerService customerService;

    /**
     * 上传保存关联信息
     * @param file
     */
    @Transactional(rollbackFor = Exception.class)
    public void xmlUpload(MultipartFile file) {
        try {
            String fileName = file.getOriginalFilename();
            String suffix = FileUtil.getSuffix(fileName);
            if(! "xml".equals(suffix)){
                throw new JsonException("仅支持XML，文件类型错误"+suffix);
            }
            log.info(file.getSize()+"文件长度");
            if(file.getSize() > 5 * 1024 *1024){
                throw new JsonException("上传文件超过5M");
            }
            List<RelCodeDetail> relCodeDetails = new ArrayList<>();
            Document document = XmlUtil.readXML(file.getInputStream());
            //获取根
            Element rootElement = XmlUtil.getRootElement(document);
            //截取Relation
            NodeList relation = rootElement.getElementsByTagName("Relation");
            if(relation == null){
                throw new JsonException("XML文件解析错误");
            }
            Element relationE = (Element) relation.item(0);
            String productCode = relationE.getAttribute("productCode");
            String subTypeNo = relationE.getAttribute("subTypeNo");
            String cascade = relationE.getAttribute("cascade");
            String packageSpec = relationE.getAttribute("packageSpec");
            String comment = relationE.getAttribute("comment");
            //截取Batch
            NodeList batch = rootElement.getElementsByTagName("Batch");
            if(batch == null){
                throw new JsonException("XML文件解析错误");
            }
            AuthAdmin user = customerService.getUserBean();
            for (int i = 0; i < batch.getLength(); i++) {
                Node batchNode = batch.item(i);
                RelCodeBatch relCodeBatch = new RelCodeBatch();
                if (batchNode.getNodeType() == Node.ELEMENT_NODE) {
                    Element batchE = (Element) batchNode;
                    relCodeBatch.setProductCode(productCode);
                    relCodeBatch.setSubTypeNo(subTypeNo);
                    relCodeBatch.setCascadeRatio(cascade);
                    relCodeBatch.setPackageSpec(packageSpec);
                    relCodeBatch.setComment(comment);
                    String batchNo = batchE.getAttribute("batchNo");
                    relCodeBatch.setBatchNo(batchNo);
                    String madeDate = batchE.getAttribute("madeDate");
                    relCodeBatch.setMadeDate(madeDate);
//                    relCodeBatch.setMadeDate(DateUtil.parse(madeDate,"yyyy-MM-dd"));
                    String validateDate = batchE.getAttribute("validateDate");
//                    relCodeBatch.setValidateDate(DateUtil.offsetDay(DateUtil.parse(validateDate,"yyyy-MM-dd"),1));
                    relCodeBatch.setValidateDate(String.valueOf(DateUtil.offsetDay(DateUtil.parse(validateDate,"yyyy-MM-dd"),1)));
                    String workShop = batchE.getAttribute("workShop");
                    relCodeBatch.setWorkShop(workShop);
                    String lineName = batchE.getAttribute("lineName");
                    relCodeBatch.setLineName(lineName);
                    String lineManager = batchE.getAttribute("lineManager");
                    relCodeBatch.setLineManager(lineManager);
                    relCodeBatch.setCreateTime(new Date());
                    relCodeBatch.setCreateUser(user.getUserName());
                    relCodeBatch.setUpdateTime(new Date());
                    relCodeBatch.setUpdateUser(user.getUserName());
                    this.save(relCodeBatch);
                }
                //batch下的节点code
                NodeList code = batchNode.getChildNodes();
                for (int j = 0; j < code.getLength(); j++) {
                    Node codeNode = code.item(j);
                    RelCodeDetail relCodeDetail = new RelCodeDetail();
                    if (codeNode.getNodeType() == Node.ELEMENT_NODE) {
                        Element codeE = (Element) codeNode;
                        relCodeDetail.setBatchIdFk(relCodeBatch.getId());
                        String curCode = codeE.getAttribute("curCode");
                        relCodeDetail.setCurCode(curCode);
                        String packLayer = codeE.getAttribute("packLayer");
                        relCodeDetail.setPackLayer(Integer.valueOf(packLayer));
                        String parentCode = codeE.getAttribute("parentCode");
                        relCodeDetail.setParentCode(StrUtil.isNotBlank(parentCode)?parentCode:"0");
                        String flag = codeE.getAttribute("flag");
                        relCodeDetail.setFlag(Integer.valueOf(flag));
                        relCodeDetails.add(relCodeDetail);
                    }
                }
            }
            relCodeDetailService.saveBatch(relCodeDetails);
        }catch (Exception e){
            throw new JsonException("上传失败："+e.getMessage());
        }

    }

    /**
     * 手动添加
     * @param relCodeBatchRequest
     */
    @Transactional(rollbackFor = Exception.class)
    public void add(RelCodeBatchRequest relCodeBatchRequest) {
        List<RelCodeDetailRequest> detailList = relCodeBatchRequest.getDetailList();
        if(CollUtil.isEmpty(detailList)){
            throw new JsonException("关联明细不能为空!");
        }
        AuthAdmin user = customerService.getUserBean();
        RelCodeBatch relCodeBatch = new RelCodeBatch();
        BeanUtils.copyProperties(relCodeBatchRequest,relCodeBatch);
        relCodeBatch.setCreateTime(new Date());
        relCodeBatch.setCreateUser(user.getUserName());
        relCodeBatch.setUpdateTime(new Date());
        relCodeBatch.setUpdateUser(user.getUserName());
        this.save(relCodeBatch);
        List<RelCodeDetail> relCodeDetails = new ArrayList<>();
        for(RelCodeDetailRequest request : detailList){
            RelCodeDetail relCodeDetail = new RelCodeDetail();
            String parentCode = request.getParentCode();
            request.setParentCode(StrUtil.isNotBlank(parentCode)?parentCode:"0");
            BeanUtils.copyProperties(request,relCodeDetail);
            relCodeDetail.setBatchIdFk(relCodeBatch.getId());
            relCodeDetails.add(relCodeDetail);
        }
        relCodeDetailService.saveBatch(relCodeDetails);
    }

    public List<RelCodeBatchResponse> filterList(RelCodeBatchRequest relCodeBatchRequest) {
        if (relCodeBatchRequest == null) {
            return Collections.emptyList();
        }
        if (relCodeBatchRequest.getPage() != null) {
            int offset = (relCodeBatchRequest.getPage() - 1) * relCodeBatchRequest.getLimit();
            PageHelper.offsetPage(offset, relCodeBatchRequest.getLimit());
        }
        return this.baseMapper.filterList(relCodeBatchRequest);
    }

    @Transactional(rollbackFor = Exception.class)
    public void delete(Long id) {
        if(id == null){
            throw new JsonException("id 不能为空");
        }
        relCodeDetailService.remove(new LambdaQueryWrapper<RelCodeDetail>().eq(RelCodeDetail::getBatchIdFk,id));
        this.removeById(id);
    }

    @Transactional(rollbackFor = Exception.class)
    public void addRelCodeSpellBox(List<RelCodeBatchRequest> relCodeBatchRequests) {
        if (CollUtil.isEmpty(relCodeBatchRequests)){
            throw new JsonException("单据信息异常!");
        }
        relCodeBatchRequests.forEach( item -> {
            this.add(item);
        });
    }

    @Transactional(rollbackFor = Exception.class)
    public void deleteDetail(String curCode) {
        List<RelCodeDetail> list = relCodeDetailService.list(new LambdaQueryWrapper<RelCodeDetail>().eq(RelCodeDetail::getParentCode, curCode));
        if (CollUtil.isNotEmpty(list)){
            List<Integer> batchIds = list.stream().map(RelCodeDetail::getBatchIdFk).collect(Collectors.toList());
            this.removeBatchByIds(batchIds);
            relCodeDetailService.remove(new LambdaQueryWrapper<RelCodeDetail>().in(RelCodeDetail::getBatchIdFk,batchIds));
        }
    }

    @Transactional(rollbackFor = Exception.class)
    public void deleteAllDetail(List<RelCodeDetailRequest> detailList) {
        if (CollUtil.isNotEmpty(detailList)){
            detailList.forEach( item -> {
                String curCode = item.getCurCode();
                this.deleteDetail(curCode);
            });
        }
    }
}