package com.nju.edu.eval.thirdparty.thirdpartyImpl;

import cn.seecoder.bok.client.SeecoderBokClient;
import cn.seecoder.bok.common.vo.KnowledgeNodeVO;
import cn.seecoder.bok.common.vo.QuestionVO;
import com.nju.edu.eval.model.vo.question.CompleteQuestionVO;
import com.nju.edu.eval.model.vo.question.QuestionStemListVO;
import com.nju.edu.eval.model.vo.question.QuestionStemVO;
import com.nju.edu.eval.thirdparty.QuestionThirdPartyService;
import com.nju.edu.eval.util.BeanCopyUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

/**
 * @author mars
 * 封装调用的题库的第三方服务
 */
@Component
public class QuestionThirdPartyServiceImpl implements QuestionThirdPartyService {
    @Value("${seec-bok-client.host}")
    private String host;

    private SeecoderBokClient client;


    @PostConstruct
    public void init() {
        //TODO
        client = new SeecoderBokClient(host);
    }


    @Override
    public Optional<CompleteQuestionVO> getQuestionById(String id) {
        Optional<QuestionVO> response = client.getQuestionById(id);
        CompleteQuestionVO res = new CompleteQuestionVO();
        response.ifPresent(questionVO -> BeanUtils.copyProperties(questionVO, res));
        return Optional.of(res);
    }

    @Override
    public List<CompleteQuestionVO> getRecommendQuestions(List<String> knowledgeList, int expectedDifficulty) {
        List<CompleteQuestionVO> questionVO = new ArrayList<>();
        return questionVO;
    }

    @Override
    public QuestionStemListVO getQuestionList(String stem, List<String> tags, List<String> knowledgeIds, Pageable pageable) {
        Page<QuestionVO> questionVOPageList = client.getQuestionList(stem, tags, knowledgeIds, pageable);
        return new QuestionStemListVO(BeanCopyUtil.copyListProperties(questionVOPageList.toList(), QuestionStemVO::new), (int) questionVOPageList.getTotalElements());
    }

    @Override
    public List<KnowledgeNodeVO> getKnowledgeNode(String name) {
        return client.getKnowledgeNode(name);
    }
}