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package cc.mrbird.febs.ai.service.impl;
 
import cc.mrbird.febs.ai.entity.*;
import cc.mrbird.febs.ai.mapper.AiProductPointMapper;
import cc.mrbird.febs.ai.req.productPoint.ApiProductPointInfoDto;
import cc.mrbird.febs.ai.req.productPoint.ApiProductPointPageDto;
import cc.mrbird.febs.ai.req.productPoint.ApiProductPointRecommendDto;
import cc.mrbird.febs.ai.res.productPoint.ApiProductPointInfoVo;
import cc.mrbird.febs.ai.res.productPoint.ApiProductPointListVo;
import cc.mrbird.febs.ai.res.productPoint.ApiProductPointRecommendVo;
import cc.mrbird.febs.ai.res.productPoint.ApiProductPointVo;
import cc.mrbird.febs.ai.service.*;
import cc.mrbird.febs.common.entity.FebsResponse;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
 
/**
 * AI产品知识点 Service实现类
 *
 * @author yourname
 * @date 2025-07-29
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class AiProductPointServiceImpl extends ServiceImpl<AiProductPointMapper, AiProductPoint> implements AiProductPointService {
 
    private final AiProductPointMapper aiProductPointMapper;
    private final AiProductPointLinkService aiProductPointLinkService;
    private final AiProductCategoryService aiProductCategoryService;
    private final AiMemberRoleService aiMemberRoleService;
    private final AiMemberTalkService aiMemberTalkService;
 
    @Override
    public AiProductPoint getById(String id) {
        return aiProductPointMapper.selectById( id);
    }
 
    @Override
    public List<AiProductPoint> getListByPointIds(Set<String> collect) {
        return aiProductPointMapper.selectBatchIds( collect);
    }
    @Override
    public List<ApiProductPointVo> listByProductId(String productId) {
        List<ApiProductPointVo> vos = new ArrayList<>();
 
        LambdaQueryWrapper<AiProductPointLink> pointLinkQUery = Wrappers.lambdaQuery(AiProductPointLink.class);
        pointLinkQUery.eq(AiProductPointLink::getProductId, productId);
        List<AiProductPointLink> linkList = aiProductPointLinkService.getListByProductId(pointLinkQUery);
        if (CollUtil.isEmpty(linkList)){
            return vos;
        }
 
        Set<String> collect = linkList.stream().map(AiProductPointLink::getProductPointId).collect(Collectors.toSet());
        List<AiProductPoint> list = this.getListByPointIds(collect);
        if (CollUtil.isEmpty(list)){
            return vos;
        }
 
        for (AiProductPoint point : list){
            ApiProductPointVo vo = new ApiProductPointVo();
            vo.setId(point.getId());
            vo.setTitle(point.getTitle());
            vos.add(vo);
        }
        return vos;
    }
 
    @Override
    public FebsResponse productPointList(ApiProductPointPageDto dto) {
 
        if(StrUtil.isEmpty(dto.getMemberRoleId())){
            String memberRoleId = aiMemberRoleService.getDefaultMemberRoleId();
            dto.setMemberRoleId(memberRoleId);
        }
 
        if(StrUtil.isEmpty(dto.getCategoryId())){
            String categoryId = aiProductCategoryService.getDefaultProductCategoryId();
            dto.setCategoryId(categoryId);
        }
        // 创建分页对象,传入当前页和每页大小
        Page<ApiProductPointListVo> page = new Page<>(dto.getPageNow(), dto.getPageSize());
        Page<ApiProductPointListVo> pageListByQuery = aiProductPointMapper.selectPageListByQuery(page, dto);
        return new FebsResponse().success().data(pageListByQuery);
    }
 
    @Override
    public FebsResponse productPointInfo(ApiProductPointInfoDto dto) {
        ApiProductPointInfoVo apiProductPointInfoVo = new ApiProductPointInfoVo();
        String id = dto.getId();
        AiProductPoint entity = this.getById(id);
        if (ObjectUtil.isNotNull( entity)){
            apiProductPointInfoVo.setIsNormal(entity.getIsNormal());
            apiProductPointInfoVo.setFinderUserName(entity.getFinderUserName());
            apiProductPointInfoVo.setFeedId(entity.getFeedId());
            apiProductPointInfoVo.setFeedImg(entity.getFeedImg());
            apiProductPointInfoVo.setTitle(entity.getTitle());
            apiProductPointInfoVo.setDescription(entity.getDescription());
        }
        return new FebsResponse().success().data(apiProductPointInfoVo);
    }
 
    @Override
    public FebsResponse recommend(ApiProductPointRecommendDto dto) {
 
        List<ApiProductPointRecommendVo> vos = new  ArrayList<>();
 
        String memberTalkId = dto.getMemberTalkId();
        AiMemberTalk aiMemberTalk = aiMemberTalkService.getById(memberTalkId);
        if (ObjectUtil.isNotNull(aiMemberTalk)){
            return new FebsResponse().success().data(vos);
        }
        String productId = aiMemberTalk.getProductId();
        List<AiProductPointLink> aiProductPointLinkList = aiProductPointLinkService.getListByProductId(
                Wrappers.lambdaQuery(AiProductPointLink.class)
                        .eq(AiProductPointLink::getProductId, productId)
        );
        if (CollUtil.isEmpty(aiProductPointLinkList)){
            return new FebsResponse().success().data(vos);
        }
 
        //stream流操作aiProductPointLinkList,返回一个Set<productPointId>的set集合
        Set<String> productPointIdSet = aiProductPointLinkList.stream().map(AiProductPointLink::getProductPointId).collect(Collectors.toSet());
 
        List<AiProductPoint> listByPointIds = aiProductPointMapper.selectList(
                Wrappers.lambdaQuery(AiProductPoint.class)
                .select(AiProductPoint::getId,AiProductPoint::getTitle)
                .in(AiProductPoint::getId, productPointIdSet)
        );
        if (CollUtil.isEmpty(listByPointIds)){
            return new FebsResponse().success().data(vos);
        }
 
        for (AiProductPoint aiProductPoint : listByPointIds){
            ApiProductPointRecommendVo vo = new ApiProductPointRecommendVo();
            vo.setId(aiProductPoint.getId());
            vo.setTitle(aiProductPoint.getTitle());
            vos.add(vo);
        }
        return new FebsResponse().success().data(vos);
    }
}