package cn.iocoder.yudao.module.ai.service.knowledge;

import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.ai.controller.admin.knowledge.vo.knowledge.AiKnowledgePageReqVO;
import cn.iocoder.yudao.module.ai.controller.admin.knowledge.vo.knowledge.AiKnowledgeSaveReqVO;
import cn.iocoder.yudao.module.ai.dal.dataobject.knowledge.AiKnowledgeDO;
import cn.iocoder.yudao.module.ai.dal.dataobject.model.AiModelDO;
import cn.iocoder.yudao.module.ai.dal.mysql.knowledge.AiKnowledgeMapper;
import cn.iocoder.yudao.module.ai.enums.model.AiModelTypeEnum;
import cn.iocoder.yudao.module.ai.service.model.AiModelService;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;

import java.util.List;

import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.module.ai.enums.ErrorCodeConstants.*;

@Service
public class AiKnowledgeServiceImpl implements AiKnowledgeService {

    @Resource
    private AiKnowledgeMapper mapper;
    @Resource
    private AiModelService modelService;

    @Override
    public Long createKnowledge(AiKnowledgeSaveReqVO createReqVO) {
        AiModelDO embeddingModel = modelService.validateModel(createReqVO.getEmbeddingModelId());
        if (!AiModelTypeEnum.EMBEDDING.getType().equals(embeddingModel.getType())) {
            throw exception(MODEL_USE_TYPE_ERROR);
        }
        AiKnowledgeDO knowledge = BeanUtils.toBean(createReqVO, AiKnowledgeDO.class);
        knowledge.setEmbeddingModel(embeddingModel.getModel());
        if (knowledge.getTopK() == null) knowledge.setTopK(3);
        if (knowledge.getSimilarityThreshold() == null) knowledge.setSimilarityThreshold(0.7);
        mapper.insert(knowledge);
        return knowledge.getId();
    }

    @Override
    public void updateKnowledge(AiKnowledgeSaveReqVO updateReqVO) {
        validateKnowledgeExists(updateReqVO.getId());
        AiModelDO embeddingModel = modelService.validateModel(updateReqVO.getEmbeddingModelId());
        if (!AiModelTypeEnum.EMBEDDING.getType().equals(embeddingModel.getType())) {
            throw exception(MODEL_USE_TYPE_ERROR);
        }
        AiKnowledgeDO knowledge = BeanUtils.toBean(updateReqVO, AiKnowledgeDO.class);
        knowledge.setEmbeddingModel(embeddingModel.getModel());
        mapper.updateById(knowledge);
    }

    @Override
    public void deleteKnowledge(Long id) {
        validateKnowledgeExists(id);
        mapper.deleteById(id);
    }

    @Override
    public AiKnowledgeDO getKnowledge(Long id) {
        return mapper.selectById(id);
    }

    @Override
    public AiKnowledgeDO validateKnowledgeExists(Long id) {
        AiKnowledgeDO knowledge = mapper.selectById(id);
        if (knowledge == null) throw exception(KNOWLEDGE_NOT_EXISTS);
        return knowledge;
    }

    @Override
    public AiKnowledgeDO validateKnowledge(Long id) {
        AiKnowledgeDO knowledge = validateKnowledgeExists(id);
        if (CommonStatusEnum.isDisable(knowledge.getStatus())) throw exception(KNOWLEDGE_NOT_EXISTS);
        return knowledge;
    }

    @Override
    public PageResult<AiKnowledgeDO> getKnowledgePage(AiKnowledgePageReqVO pageReqVO) {
        return mapper.selectPage(pageReqVO);
    }

    @Override
    public List<AiKnowledgeDO> getEnabledKnowledgeList() {
        return mapper.selectListByStatus(CommonStatusEnum.ENABLE.getStatus());
    }

}