package com.xiaopeng.operation.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xiaopeng.api.model.operation.XpAppVersion;
import com.xiaopeng.common.core.exception.ServiceException;
import com.xiaopeng.operation.mapper.XpAppVersionMapper;
import com.xiaopeng.operation.service.IXpAppVersionService;
import com.xiaopeng.operation.vo.XpAppVersionVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.Objects;

/**
 * App版本管理 服务实现类
 *
 * @author mitao
 * @since 2026-02-14
 */
@Slf4j
@Service
public class XpAppVersionServiceImpl extends ServiceImpl<XpAppVersionMapper, XpAppVersion> implements IXpAppVersionService {

    @Override
    public XpAppVersionVO getLatestVersion() {
        // 查询最新版本(按ID倒序,取第一条)
        XpAppVersion latestVersion = this.lambdaQuery()
                .orderByDesc(XpAppVersion::getId)
                .last("LIMIT 1")
                .one();

        if (Objects.isNull(latestVersion)) {
            log.warn("未找到App版本信息");
            throw new ServiceException("App版本信息不存在");
        }

        // 转换为 VO
        XpAppVersionVO vo = BeanUtil.copyProperties(latestVersion, XpAppVersionVO.class);
        log.info("获取最新App版本成功, version={}", vo.getVersion());
        return vo;
    }
}