package cn.cslg.pas.service.business.es;

import cn.cslg.pas.common.vo.ChinaLeagalStatus;
import cn.cslg.pas.common.vo.StarPatentVO;
import cn.cslg.pas.domain.es.*;
import cn.cslg.pas.exception.ExceptionEnum;
import cn.cslg.pas.exception.XiaoShiException;
import cn.cslg.pas.service.common.PatentStarApiService;
import cn.cslg.pas.service.importPatent.WebVOTransformService;
import co.elastic.clients.elasticsearch.ElasticsearchClient;
import co.elastic.clients.elasticsearch._types.InlineScript;
import co.elastic.clients.elasticsearch._types.Refresh;
import co.elastic.clients.elasticsearch._types.Script;
import co.elastic.clients.elasticsearch._types.WaitForActiveShards;
import co.elastic.clients.elasticsearch._types.query_dsl.Query;
import co.elastic.clients.elasticsearch._types.query_dsl.QueryBuilders;
import co.elastic.clients.elasticsearch.core.*;
import co.elastic.clients.elasticsearch.core.search.Hit;
import com.alibaba.fastjson.JSON;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

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

@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class EsLegalEventService {
    private final ElasticsearchClient client;
    private final PatentStarApiService patentStarApiService;
    private final WebVOTransformService webVOTransformService;

    //根据专利号查询同族专利号
    public List<LegalEvent> getEsQutePatentByNos(String patentNo) throws Exception {
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index("legal_event");

        Query q1 = QueryBuilders.term(t -> t.field("app_no").value(patentNo));
        //公开号
        Query q2 = QueryBuilders.term(t -> t.field("public_no").value(patentNo));
        //授权号
        Query q3 = QueryBuilders.term(t -> t.field("grant_no").value(patentNo));
        Query query = QueryBuilders.bool(i -> i.should(q1, q2, q3));

        builder.query(query);
        SearchResponse<LegalEvent> response = client.search(builder.build(), LegalEvent.class);
        List<Hit<LegalEvent>> hits = response.hits().hits();
        List<LegalEvent> legalEvents = new ArrayList<>();
        if (hits.size() <= 0) {
            return legalEvents;
        }
        hits.forEach(item -> {
            legalEvents.add(item.source());
        });
        return legalEvents;
    }


    public List<String> getStrLegalEvent(String patentNo) {
        List<String> stringList = new ArrayList<>();
        try {
            List<LegalEvent> legalEvents = this.getEsQutePatentByNos(patentNo);
            legalEvents = legalEvents.stream().sorted(Comparator.comparing(LegalEvent::getEventDate)).collect(Collectors.toList());
            legalEvents.forEach(item -> {
                stringList.add(item.getName());
            });

        } catch (Exception e) {
            throw new XiaoShiException("获得事务错误");
        }
        return stringList;
    }


    /**
     * 添加法律事务
     *
     * @param
     * @return
     * @throws Exception
     */
    public String addLegalEvent(LegalEvent legalEvent) throws Exception {
        IndexResponse indexResponse = client.index(i -> i
                .index("legal_event")
                .document(legalEvent).refresh(Refresh.True).waitForActiveShards(WaitForActiveShards.of(t -> t.count(1)))
        );
        return indexResponse.id();

    }

    public String addEsLegalEvent(Patent patent, String ANO) {
        //根据专利号查询
        if (patent == null) {
            return null;
        }
        String cnLegalApiStr = patentStarApiService.getCnLegalApi(ANO);
        if (cnLegalApiStr != null && !cnLegalApiStr.equals("")) {
            try {
                this.deleteByPatentNo(patent.getPatentNo());

            } catch (Exception e) {
            }
            List<LegalEvent> legalEvents = new ArrayList<>();
            //根据专利号查询是否有引用信息
            try {
                this.deleteByPatentNo(patent.getPatentNo());

            } catch (Exception e) {
                e.printStackTrace();
                throw new XiaoShiException(ExceptionEnum.BUSINESS_ERROR,"删除事务错误");
            }
            List<ChinaLeagalStatus> chinaLeagalStatuses = JSON.parseArray(cnLegalApiStr, ChinaLeagalStatus.class);
            chinaLeagalStatuses.forEach(item -> {
                LegalEvent legalEvent1 = new LegalEvent();
                legalEvent1.setEventDate(item.getLegalDate());
                legalEvent1.setCode(item.getLegalCode());
                legalEvent1.setAppNo(patent.getAppNo());
                legalEvent1.setGrantNo(patent.getGrantNo());
                legalEvent1.setPublicNo(patent.getPublicNo());
                legalEvent1.setDescription(item.getLegalStatusInfo());
                legalEvent1.setName(item.getLegalStatus());
                legalEvents.add(legalEvent1);
                try {
                    String reId = this.addLegalEvent(legalEvent1);
                } catch (Exception e) {
                    throw new XiaoShiException(e.getMessage());
                }
            });
            webVOTransformService.transLegalEvent(patent, legalEvents);
        }
        return "";
    }

    public Integer deleteByPatentNo(String patentNo) throws IOException {
        SearchRequest.Builder builder = new SearchRequest.Builder();
        //设置查询索引
        builder.index("legal_event");

        Query q1 = QueryBuilders.term(t -> t.field("app_no").value(patentNo));
        //公开号
        Query q2 = QueryBuilders.term(t -> t.field("public_no").value(patentNo));
        //授权号
        Query q3 = QueryBuilders.term(t -> t.field("grant_no").value(patentNo));
        Query query = QueryBuilders.bool(i -> i.should(q1, q2, q3));
        DeleteByQueryRequest request = DeleteByQueryRequest.of(i -> i.index("legal_event").refresh(true).query(query));
        try {
            client.deleteByQuery(request);
            return 1;
        } catch (IOException e) {
            return -1;
        }
    }
}