package com.example.xiaoshiweixinback.service.importPatent;

import co.elastic.clients.elasticsearch.ElasticsearchClient;
import co.elastic.clients.elasticsearch._types.InlineScript;
import co.elastic.clients.elasticsearch._types.Script;
import co.elastic.clients.elasticsearch._types.SortOptions;
import co.elastic.clients.elasticsearch._types.SortOrder;
import co.elastic.clients.elasticsearch._types.aggregations.*;
import co.elastic.clients.elasticsearch._types.query_dsl.Query;
import co.elastic.clients.elasticsearch._types.query_dsl.QueryBuilders;
import co.elastic.clients.elasticsearch.core.SearchRequest;
import co.elastic.clients.elasticsearch.core.SearchResponse;
import co.elastic.clients.elasticsearch.core.search.FieldCollapse;
import co.elastic.clients.elasticsearch.core.search.Hit;
import co.elastic.clients.json.JsonData;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.example.xiaoshiweixinback.business.common.base.Records;
import com.example.xiaoshiweixinback.business.exception.BusinessException;
import com.example.xiaoshiweixinback.business.exception.ExceptionEnum;
import com.example.xiaoshiweixinback.business.utils.BeanUtil;
import com.example.xiaoshiweixinback.business.utils.CacheUtil;
import com.example.xiaoshiweixinback.business.utils.LoginUtils;
import com.example.xiaoshiweixinback.business.utils.ToolUtil;
import com.example.xiaoshiweixinback.business.utils.parseQueryToTree.expressManager;
import com.example.xiaoshiweixinback.business.utils.parseQueryToTree.operateNode;
import com.example.xiaoshiweixinback.business.utils.parseQueryToTree.treeNode;
import com.example.xiaoshiweixinback.domain.AssoPersonProduct;
import com.example.xiaoshiweixinback.domain.es.*;
import com.example.xiaoshiweixinback.entity.dto.esPicture.EsPictureNoDTO;
import com.example.xiaoshiweixinback.entity.dto.patent.*;
import com.example.xiaoshiweixinback.entity.patent.MapRequest;
import com.example.xiaoshiweixinback.entity.patent.QueryRequest;
import com.example.xiaoshiweixinback.entity.patent.StringRequest;
import com.example.xiaoshiweixinback.entity.vo.PersonnelVO;
import com.example.xiaoshiweixinback.entity.vo.esPicture.EsPatentVectorVo;
import com.example.xiaoshiweixinback.entity.vo.esPicture.EsPictureNoVo;
import com.example.xiaoshiweixinback.mapper.AssoPersonProductMapper;
import com.example.xiaoshiweixinback.service.common.FileManagerService;
import com.example.xiaoshiweixinback.service.common.GetVectorService;
import lombok.RequiredArgsConstructor;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.stream.Collectors;

@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})


public class EsPatentService {

    private final ElasticsearchClient client;

    @Autowired
    private EsService esService;

    @Autowired
    private CacheUtil cacheUtils;

    @Autowired
    private AssoPersonProductMapper assoPersonProductMapper;

    @Autowired
    private EsDenseVectorService esDenseVectorService;

    @Autowired
    private FileManagerService fileManagerService;

    @Autowired
    private GetVectorService getVectorService;

    @Autowired
    private FormatQueryService formatQueryService;

    @Value("${ES.patentVector}")
    private String patentVectorName;
    @Value("${ES.patent}")
    private String patentMapName;

    /**
     * 收藏专利
     *
     * @param patentDTO
     * @return
     */
    public boolean collectPatent(CollectPatentDTO patentDTO) throws IOException {
        boolean flag = false;
        List<String> patentNos = patentDTO.getPatentNos();
        Integer productId = patentDTO.getProductId();
        //获取用户
        PersonnelVO personnelVO = cacheUtils.getLoginUser(LoginUtils.getToken());


        if (ToolUtil.isEmpty(personnelVO)) {
            throw new BusinessException(ExceptionEnum.THE_GET_INFORMATION_TOKEN_INVALID);
        }

        String uuid = personnelVO.getUuid();
        //获取人员产品关联表id
        AssoPersonProduct assoPersonProduct = assoPersonProductMapper.selectOne(new LambdaQueryWrapper<AssoPersonProduct>()
                .eq(AssoPersonProduct::getProductId, productId)
                .eq(AssoPersonProduct::getPersonUuid, uuid));
        Integer assoPersonProductId = assoPersonProduct.getId();
        //判断该专利是否已经被收藏
        List<String> patentNoList = this.selectPatentByProductId(assoPersonProductId);
        patentNos.removeAll(patentNoList);
        //根据专利号获取专利id
        List<String> list = new ArrayList<>();
        if (!CollectionUtils.isEmpty(patentNos)) {
            for (String patentNo : patentNos) {
                String patentId = this.selectPatentByPatentNo(patentNo);
                Patent patent = new Patent();
                patent.setProductId(assoPersonProductId);
                PatentJoin patentJoin = new PatentJoin();
                patentJoin.setParent(patentId);
                patentJoin.setName("product");
                patent.setPatentJoin(patentJoin);
                try {
                    String id = esService.addChildPatent(patent, patentId);
                    list.add(id);
                } catch (Exception e) {
                }
            }
        }
        if (ToolUtil.equals(list.size(), patentNos.size())) {
            flag = true;
        }
        return flag;
    }

    /**
     * 查询收藏专利
     *
     * @param dto
     * @return
     * @throws IOException
     */
    public Records selectCollectPatent(SelectCollectPatentDTO dto) throws IOException {
        Integer assoPersonProductId = dto.getAssoPersonProductId();
        Long pageNum = dto.getCurrent();
        Long pageSize = dto.getSize();

        List<PatentColumnDTO> list = new ArrayList<>();

        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("product_id").value(assoPersonProductId));
        Query query = QueryBuilders.hasChild(i -> i.type("product").query(q));
        builder.query(query);
        //分页
        if (pageNum != null && pageSize != null && pageNum > 0 && pageSize > 0) {
            builder.from((pageNum.intValue() - 1) * pageSize.intValue()).size(pageSize.intValue());
        }
        //解除最大条数限制
        builder.trackTotalHits(i -> i.enabled(true));
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        long total = response.hits().total().value();
        for (Hit<Patent> hit : hits) {
            Patent patent = hit.source();
            PatentColumnDTO columnDTO = this.getPatentColumnDTO(patent, null, null);
            list.add(columnDTO);
        }

        Records records = new Records();
        records.setCurrent(pageNum);
        records.setSize(pageSize);
        records.setData(list);
        records.setTotal(total);
        return records;
    }

    /**
     * 删除收藏专利
     *
     * @param patentDTO
     * @return
     * @throws IOException
     */
    public boolean delCollectPatent(DelCollectPatentDTO patentDTO) throws IOException {
        Integer assoPersonProductId = patentDTO.getAssoPersonProductId();
        List<String> patentNos = patentDTO.getPatentNos();
        List<String> patentIds = new ArrayList<>();
        for (String patentNo : patentNos) {
            List<String> list = this.selectChildPatentId(patentNo, assoPersonProductId);
            patentIds.addAll(list);
        }

        if (!CollectionUtils.isEmpty(patentIds)) {
            Integer num = esService.deleteWxPatent(patentIds);
            if (num < 1) {
                throw new BusinessException(ExceptionEnum.THE_FAIL_TO_DELETE);
            }
        } else {
            return false;
        }
        return true;
    }

    //根据专利号、assoPersonProductId查询相关专利id
    public List<String> selectChildPatentId(String patentNo, Integer assoPersonProductId) throws IOException {
        List<String> list = new ArrayList<>();
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("product_id").value(assoPersonProductId));
        Query query = QueryBuilders.term(i -> i.field("patent_no.keyword").value(patentNo));
        Query q1 = QueryBuilders.hasParent(i -> i.parentType("patent").query(query));
        Query bool = QueryBuilders.bool(i -> i.must(q, q1));
        builder.query(bool);
        //解除最大条数限制
        builder.trackTotalHits(i -> i.enabled(true));
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        for (Hit<Patent> hit : hits) {
            String id = hit.id();
            list.add(id);
        }
        return list;
    }

    //装载专利清单列表的数据
    public PatentColumnDTO getPatentColumnDTO(Patent patent, Integer projectId, String id) {
        PatentColumnDTO columnDTO = new PatentColumnDTO();
        BeanUtil.copy(patent, columnDTO);
        if (ToolUtil.isNotEmpty(patent.getApplicantAddr())) {
            PersonAddress applicantAddr = patent.getApplicantAddr();
            columnDTO.setAppAddress(applicantAddr.getAddress());
            columnDTO.setApplicantCountry(applicantAddr.getCountry());
            columnDTO.setAppProvince(applicantAddr.getProvince());
            columnDTO.setAppCity(applicantAddr.getCity());
            columnDTO.setAppDistrict(applicantAddr.getDistrict());
        }
        if (ToolUtil.isNotEmpty(patent.getRightHolderAddr())) {
            PersonAddress rightAddr = patent.getRightHolderAddr();
            columnDTO.setRightAddress(rightAddr.getAddress());
            columnDTO.setRightCountry(rightAddr.getCountry());
            columnDTO.setRightProvince(rightAddr.getProvince());
            columnDTO.setRightCity(rightAddr.getCity());
            columnDTO.setRightDistrict(rightAddr.getDistrict());
        }
        columnDTO.setApplicant(this.loadName(patent.getApplicant()));
        columnDTO.setRightHolder(this.loadName(patent.getRightHolder()));
        columnDTO.setInventor(this.loadName(patent.getInventor()));
        return columnDTO;
    }

    //通用返回申请人、权利人、发明人
    public List<String> loadName(List<PatentPerson> list) {
        List<String> collect = new ArrayList<>();
        if (!CollectionUtils.isEmpty(list)) {
            collect = list.stream().filter(i -> StringUtils.isNotEmpty(i.getName())).map(PatentPerson::getName).collect(Collectors.toList());
        }
        return collect;
    }

    /**
     * 根据专利号获取专利id
     *
     * @param patentNo
     * @return
     * @throws IOException
     */
    public String selectPatentByPatentNo(String patentNo) throws IOException {
        String id = "";
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("patent_no.keyword").value(patentNo));
        builder.query(q);
        builder.size(10);
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        for (Hit<Patent> hit : hits) {
            id = hit.id();
        }
        return id;
    }

    /**
     * 根据专利号获取专利id
     *
     * @param patentNo
     * @return
     * @throws IOException
     */
    public PatentColumnDTO selectPatentInfoByPatentNo(String patentNo) throws IOException {
        PatentColumnDTO columnDTO = new PatentColumnDTO();
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("patent_no.keyword").value(patentNo));
        builder.query(q);
        builder.size(10);
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        for (Hit<Patent> hit : hits) {
            Patent patent = hit.source();
            columnDTO = this.getPatentColumnDTO(patent, null, null);
        }
        return columnDTO;
    }

    /**
     * 判断该专利是否已经被收藏
     *
     * @param personProductId
     * @return
     * @throws IOException
     */
    public List<String> selectPatentByProductId(Integer personProductId) throws IOException {
        List<String> list = new ArrayList<>();
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("product_id").value(personProductId));
        Query query = QueryBuilders.hasChild(i -> i.type("product").query(q));
        builder.query(query);
        builder.size(10);
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        for (Hit<Patent> hit : hits) {
            Patent patent = hit.source();
            list.add(patent.getPatentNo());
        }
        return list;
    }

    //-------------------查询相关专利信息-----------

    /**
     * 查询专利(用于导出专利数据)
     *
     * @param patentDTO
     * @param file
     * @return
     * @throws Exception
     */
    public List<PatentColumnDTO> selectPatent(SelectPatentDTO patentDTO, File file) throws Exception {
        List<PatentColumnDTO> columnDTOS = new ArrayList<>();
        if (!CollectionUtils.isEmpty(patentDTO.getAppNos())) {
            for (String appNo : patentDTO.getAppNos()) {
                //获取专利的多张摘要附图
                EsPictureNoDTO esPictureNoDTO = new EsPictureNoDTO();
                esPictureNoDTO.setAppNo(appNo);
                List<EsPictureNoVo> noVos = esDenseVectorService.getPictureByNo(esPictureNoDTO);
                List<String> guids = noVos.stream().map(EsPictureNoVo::getGuid).collect(Collectors.toList());

                //根据专利申请号appNo获取专利信息
                PatentColumnDTO columnDTO = this.selectPatentByAppNo(appNo);
                columnDTO.setPictureGuids(guids);
                columnDTOS.add(columnDTO);
            }
        } else {
            //根据条件获取图片专利里的数据信息，如appNo
            List<EsPatentVectorVo> vectorVos = this.selectPicturePatent(patentDTO, file);
            if (!CollectionUtils.isEmpty(vectorVos)) {
                for (EsPatentVectorVo vectorVo : vectorVos) {
                    String appNo = vectorVo.getAppNo();
                    //获取专利的多张摘要附图
                    EsPictureNoDTO esPictureNoDTO = new EsPictureNoDTO();
                    esPictureNoDTO.setAppNo(appNo);
                    List<EsPictureNoVo> noVos = esDenseVectorService.getPictureByNo(esPictureNoDTO);
                    List<String> guids = noVos.stream().map(EsPictureNoVo::getGuid).collect(Collectors.toList());

                    //根据专利申请号appNo获取专利信息
                    PatentColumnDTO columnDTO = this.selectPatentByAppNo(appNo);
                    columnDTO.setPictureGuids(guids);
                    columnDTOS.add(columnDTO);
                }
            }
        }

        return columnDTOS;
    }

    /**
     * 获取图片专利里的信息
     *
     * @param patentDTO
     * @param file
     * @return
     * @throws Exception
     */
    public List<EsPatentVectorVo> selectPicturePatent(SelectPatentDTO patentDTO, File file) throws Exception {
        Boolean ifAllExport = patentDTO.getIfAllExport();
        Integer limitNum = patentDTO.getLimitNum();

        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = null;
        String condition = esDenseVectorService.appendCondition(patentDTO.getProductId(), patentDTO.getKey(), patentDTO.getAppCountry(), patentDTO.getCompanyName());
        if (StringUtils.isNotEmpty(condition)) {
            //1. 解析检索条件
            treeNode tree = expressManager.getInstance().Parse(condition, false);
            //2. 从es中检索数据
            q = formatQueryService.EsQueryToQuery((operateNode) tree, "patentVector", null);
        }
        //获取图片向量
        List<Float> imageList = new ArrayList<>();
        List<String> stringList = new ArrayList<>();
        if (file != null && file.exists() && file.length() != 0) {
            stringList = getVectorService.getVectorByFile(file);
        } else if (StringUtils.isNotEmpty(patentDTO.getDescription())) {
            stringList = getVectorService.getVectorByText(patentDTO.getDescription());
        }
        stringList.forEach(item -> {
            Float a = Float.parseFloat(item);
            imageList.add(a);
        });
        if (!CollectionUtils.isEmpty(imageList)) {
            String source = "cosineSimilarity(params.queryVector, 'my_vector') + 1.0";
            InlineScript inlineScript = InlineScript.of(i -> i.lang("painless").params("queryVector", JsonData.of(imageList)).source(source));
            Script script = Script.of(i -> i.inline(inlineScript));
            Query query = null;
            if (q != null) {
                Query finalQ = q;
                query = QueryBuilders.scriptScore(i -> i.script(script)
                        .query(finalQ));
            } else {
                query = QueryBuilders.scriptScore(i -> i.script(script)
                        .query(org.springframework.data.elasticsearch.client.elc.QueryBuilders.matchAllQueryAsQuery()));
            }
            builder.query(query);
        } else {
            builder.query(q);
        }
        //根据申请号去重
        FieldCollapse collapse = FieldCollapse.of(i -> i.field("app_no"));
        builder.collapse(collapse);
        //分页
        if (Boolean.TRUE.equals(ifAllExport)) {
            builder.from(0).size(999999);
        } else {
            builder.size(limitNum);
        }

        //解除最大条数限制
        builder.trackTotalHits(i -> i.enabled(true));
        SearchResponse<PatentVector> response = client.search(builder.build(), PatentVector.class);
        List<Hit<PatentVector>> hits = response.hits().hits();
        List<EsPatentVectorVo> vectorVos = new ArrayList<>();
        Double fixedScore = 1.7d;
        for (Hit<PatentVector> hit : hits) {
            Double score = hit.score();
            if (score > fixedScore) {
                PatentVector vector = hit.source();
                EsPatentVectorVo vectorVo = new EsPatentVectorVo();
                BeanUtil.copy(vector, vectorVo);
                vectorVos.add(vectorVo);
            }
        }
        return vectorVos;
    }

    /**
     * 根据申请号查询专利信息
     *
     * @param appNo
     * @return
     * @throws IOException
     */
    public PatentColumnDTO selectPatentByAppNo(String appNo) throws IOException {
        PatentColumnDTO columnDTO = new PatentColumnDTO();
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index(patentMapName);
        Query q = QueryBuilders.term(i -> i.field("app_no.keyword").value(appNo));
        builder.query(q);
        builder.size(10);
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<Hit<Patent>> hits = response.hits().hits();
        for (Hit<Patent> hit : hits) {
            Patent patent = hit.source();
            columnDTO = this.getPatentColumnDTO(patent, null, null);
        }
        return columnDTO;
    }


    /**
     * Es检索
     *
     * @param queryRequest 检索条件
     * @return
     */
    public PatentDTO esSearch(QueryRequest queryRequest) throws Exception {
        PatentDTO dto = new PatentDTO();
        String searchCondition = "";
        Integer projectId = queryRequest.getProjectId();
        Long current = queryRequest.getCurrent();
        Long size = queryRequest.getSize();

        //判断表达式
        if (queryRequest instanceof StringRequest) {
            searchCondition = ((StringRequest) queryRequest).getSearchQuery();
        } else if (queryRequest instanceof MapRequest) {
            Map<String, Object> map = ((MapRequest) queryRequest).getSearchQuery();
            StringBuilder stringBuilder = new StringBuilder();
            for (String key : map.keySet()) {
                Object value = map.get(key);
                if (!"".contentEquals(stringBuilder)) {
                    stringBuilder = stringBuilder.append(" AND ").append(key).append("=").append(value);
                } else {
                    stringBuilder = stringBuilder.append(key).append("=").append(value);
                }
            }
            searchCondition = stringBuilder.toString();
        }

        String condition = searchCondition;

        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index("wxpatent");
        //1. 解析检索条件
        treeNode tree = expressManager.getInstance().Parse(condition, false);
        //3. 从es中检索数据
        Query q = formatQueryService.EsQueryToQuery((operateNode) tree, "patent", projectId);
        builder.query(q);

        //排序
//        List<SortOptions> optionsList = new ArrayList<>();
//
//            SortOptions sortOptions = SortOptions.of(i -> i.field(j -> j.field("public_date").order(SortOrder.Desc).missing(-1)));
//            optionsList.add(sortOptions);
//
//        builder.sort(optionsList);

//        //分页
//        if (current != null && size != null && current > 0 && size > 0) {
//            builder.from((current.intValue() - 1) * size.intValue()).size(size.intValue());
//        } else {
//            builder.from(1).size(99999);
//        }

        //解除最大条数限制
        builder.trackTotalHits(i -> i.enabled(true));
        SearchResponse<Patent> response = client.search(builder.build(), Patent.class);
        List<PatentColumnDTO> list = new ArrayList<>();
        long total = 0L;
            List<Hit<Patent>> hits = response.hits().hits();
            total = response.hits().total().value();
            for (Hit<Patent> hit : hits) {
//                String id = hit.id();
//                Patent esMess = hit.source();
//                PatentColumnDTO columnDTO = this.getPatentColumnDTO(esMess, projectId, id);
//                list.add(columnDTO);
            }


        dto.setTotal(total);
        dto.setPatents(list);
        dto.setPageNum(current);
        dto.setPageSize(size);
        return dto;
    }

}