package com.gkhy.exam.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.gkhy.exam.common.api.CommonPage;
import com.gkhy.exam.common.api.CommonResult;
import com.gkhy.exam.common.constant.UserConstant;
import com.gkhy.exam.common.utils.PageUtils;
import com.gkhy.exam.common.utils.SecurityUtils;
import com.gkhy.exam.system.domain.ExternalKnowledge;
import com.gkhy.exam.system.mapper.ExternalKnowledgeMapper;
import com.gkhy.exam.system.service.ExternalKnowledgeService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.List;

/**
 * <p>
 * 外部知识 服务实现类
 * </p>
 *
 * @author hh
 * @since 2025-08-25 15:01:44
 */
@Service
public class ExternalKnowledgeServiceImpl extends ServiceImpl<ExternalKnowledgeMapper, ExternalKnowledge> implements ExternalKnowledgeService {

    @Autowired
    private ExternalKnowledgeMapper externalKnowledgeMapper;


    @Override
    public CommonPage selectExternalKnowledgeList(ExternalKnowledge externalKnowledge) {
        PageUtils.startPage();
        List<ExternalKnowledge> externalKnowledge1 = externalKnowledgeMapper.getExternalKnowledge(externalKnowledge);
        return CommonPage.restPage(externalKnowledge1);
    }

    @Override
    public CommonResult saveExternalKnowledge(ExternalKnowledge externalKnowledge) {
        int i = 0;
        if (externalKnowledge.getId() == null){
            externalKnowledge.setCreateBy(SecurityUtils.getUsername());
            externalKnowledge.setCreateTime(LocalDateTime.now());
            i = externalKnowledgeMapper.insert(externalKnowledge);

        }else {
            externalKnowledge.setUpdateBy(SecurityUtils.getUsername());
            externalKnowledge.setUpdateTime(LocalDateTime.now());
            i = externalKnowledgeMapper.updateById(externalKnowledge);
        }
        return CommonResult.success();
    }

    @Override
    public CommonResult deletedExternalKnowledge(Integer id) {
        externalKnowledgeMapper.update(new ExternalKnowledge(),
                new LambdaUpdateWrapper<ExternalKnowledge>().eq(ExternalKnowledge::getId, id)
                        .set(ExternalKnowledge::getDelFlag, UserConstant.DEPT_DISABLE)
                        .set(ExternalKnowledge::getUpdateTime, LocalDateTime.now())
                        .set(ExternalKnowledge::getUpdateBy, SecurityUtils.getUsername()));
        return CommonResult.success();
    }
}