package cc.mrbird.febs.ai.service.impl;

import cc.mrbird.febs.ai.entity.AiProductQuestion;
import cc.mrbird.febs.ai.entity.AiProductQuestionLink;
import cc.mrbird.febs.ai.mapper.AiProductQuestionMapper;
import cc.mrbird.febs.ai.service.AiProductQuestionLinkService;
import cc.mrbird.febs.ai.service.AiProductQuestionService;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.RandomUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * AI产品题目 Service实现类
 *
 * @author yourname
 * @date 2025-07-29
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class AiProductQuestionServiceImpl extends ServiceImpl<AiProductQuestionMapper, AiProductQuestion> implements AiProductQuestionService {

    private final AiProductQuestionMapper aiProductQuestionMapper;
    private final AiProductQuestionLinkService aiProductQuestionLinkService;


    @Override
    public AiProductQuestion getById(String id) {
        return aiProductQuestionMapper.selectById( id);
    }

    @Override
    public List<AiProductQuestion> getListByQuery(LambdaQueryWrapper<AiProductQuestion> questionLambdaQueryWrapper) {
        return aiProductQuestionMapper.selectList(questionLambdaQueryWrapper);
    }

    @Override
    public AiProductQuestion createQuestion(String productId) {
        AiProductQuestion aiProductQuestion = new AiProductQuestion();

        LambdaQueryWrapper<AiProductQuestionLink> aiProductQuestionLinkLambdaQueryWrapper = Wrappers.lambdaQuery(AiProductQuestionLink.class);
        aiProductQuestionLinkLambdaQueryWrapper.eq(AiProductQuestionLink::getProductId, productId);
        List<AiProductQuestionLink> linkList = aiProductQuestionLinkService.getListByQuery(aiProductQuestionLinkLambdaQueryWrapper);
        if(CollUtil.isNotEmpty(linkList)){
            List<String> collect = linkList.stream().map(AiProductQuestionLink::getProductQuestionId).collect(Collectors.toList());
            if(CollUtil.isNotEmpty( collect)){
                String questionId = RandomUtil.randomEle(collect);
                aiProductQuestion = this.getById(questionId);
            }
        }
        return aiProductQuestion;
    }
}