package cn.lili.modules.lmk.service.impl;

import cn.lili.common.exception.ServiceException;
import cn.lili.common.utils.StringUtils;
import cn.lili.utils.COSUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import cn.lili.modules.lmk.domain.entity.AdImg;
import cn.lili.modules.lmk.mapper.AdImgMapper;
import cn.lili.modules.lmk.service.AdImgService;
import cn.lili.base.Result;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import cn.lili.modules.lmk.domain.form.AdImgForm;
import cn.lili.modules.lmk.domain.vo.AdImgVO;
import cn.lili.modules.lmk.domain.query.AdImgQuery;
import org.abego.treelayout.internal.util.java.lang.string.StringUtil;
import org.springframework.stereotype.Service;
import lombok.RequiredArgsConstructor;
import cn.lili.utils.PageUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.util.Assert;

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

/**
 * 私厨定制广告图片 服务实现类
 *
 * @author peng
 * @since 2025-12-24
 */
@Service
@RequiredArgsConstructor
public class AdImgServiceImpl extends ServiceImpl<AdImgMapper, AdImg> implements AdImgService {

    private final AdImgMapper adImgMapper;
    private final COSUtil cosUtil;

    /**
     * 添加
     * @param form
     * @return
     */
    @Override
    public Result add(AdImgForm form) {
        AdImg entity = AdImgForm.getEntityByForm(form, null);
        List<AdImg> adImgs = baseMapper.selectList(null);
        if (!adImgs.isEmpty()) {
            throw new ServiceException("当前封面有图片了");
        }
        baseMapper.insert(entity);
        return Result.ok("添加成功");
    }

    /**
     * 修改
     * @param form
     * @return
     */
    @Override
    public Result update(AdImgForm form) {
        AdImg entity = baseMapper.selectById(form.getId());

        // 为空抛IllegalArgumentException，做全局异常处理
        Assert.notNull(entity, "记录不存在");
        BeanUtils.copyProperties(form, entity);
        baseMapper.updateById(entity);
        return Result.ok("修改成功");
    }

    /**
     * 批量删除
     * @param ids
     * @return
     */
    @Override
    public Result remove(List<String> ids) {
        baseMapper.deleteBatchIds(ids);
        return Result.ok("删除成功");
    }

    /**
     * id删除
     * @param id
     * @return
     */
    @Override
    public Result removeById(String id) {
        baseMapper.deleteById(id);
        return Result.ok("删除成功");
    }

    /**
     * 分页查询
     * @param query
     * @return
     */
    @Override
    public Result page(AdImgQuery query) {
        IPage<AdImgVO> page = PageUtil.getPage(query, AdImgVO.class);
        baseMapper.getPage(page, query);
        for (AdImgVO record : page.getRecords()) {
            if (StringUtils.isNotBlank(record.getCoverUrl())&&!record.getCoverUrl().contains("http")) {
                record.setCoverUrl(cosUtil.getPreviewUrl(record.getCoverUrl()));
            }
        }
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }

    /**
     * 根据id查找
     * @param id
     * @return
     */
    @Override
    public Result detail(String id) {
        AdImgVO vo = baseMapper.getById(id);
        Assert.notNull(vo, "记录不存在");
        return Result.ok().data(vo);
    }

    /**
     * 列表
     * @return
     */
    @Override
    public Result all() {
        List<AdImg> entities = baseMapper.selectList(null);
        List<AdImgVO> vos = entities.stream()
                .map(entity -> AdImgVO.getVoByEntity(entity, null))
                .collect(Collectors.toList());
        return Result.ok().data(vos);
    }

    @Override
    public Result getKitchenBanner() {
        List<AdImg> adImgs = baseMapper.selectList(null);
        if (adImgs.size()>1) {
            AdImg adImg = adImgs.get(0);
            adImgs = new ArrayList<>();
            adImgs.add(adImg);
        }
        return Result.ok().data(adImgs);
    }
}