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

import cn.lili.common.security.context.UserContext;
import cn.lili.modules.lmk.domain.vo.SimpleMyCollectVO;
import cn.lili.modules.lmk.domain.vo.CollectTypeNumVO;
import com.baomidou.mybatisplus.core.metadata.IPage;
import cn.lili.modules.lmk.domain.entity.MyCollect;
import cn.lili.modules.lmk.mapper.MyCollectMapper;
import cn.lili.modules.lmk.service.MyCollectService;
import cn.lili.base.Result;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import cn.lili.modules.lmk.domain.form.MyCollectForm;
import cn.lili.modules.lmk.domain.vo.MyCollectVO;
import cn.lili.modules.lmk.domain.query.MyCollectQuery;
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.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 我的收藏 服务实现类
 *
 * @author xp
 * @since 2025-05-22
 */
@Service
@RequiredArgsConstructor
public class MyCollectServiceImpl extends ServiceImpl<MyCollectMapper, MyCollect> implements MyCollectService {

    private final MyCollectMapper myCollectMapper;

    /**
     * 添加
     * @param form
     * @return
     */
    @Override
    public Result change(MyCollectForm form) {
        MyCollect myCollect = new LambdaQueryChainWrapper<>(baseMapper)
                .eq(MyCollect::getCollectType, form.getCollectType())
                .eq(MyCollect::getRefId, form.getRefId())
                .eq(MyCollect::getUserId, UserContext.getCurrentUserId())
                .one();
        if (Objects.nonNull(myCollect)) {
            baseMapper.deleteById(myCollect.getId());
        } else {
            myCollect = new MyCollect();
            myCollect.setRefId(form.getRefId());
            myCollect.setCollectType(form.getCollectType());
            myCollect.setUserId(UserContext.getCurrentUserId());
            baseMapper.insert(myCollect);
        }
        return Result.ok("操作成功");
    }

    /**
     * 修改
     * @param form
     * @return
     */
    @Override
    public Result update(MyCollectForm form) {
        MyCollect 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(MyCollectQuery query) {
        IPage<MyCollectVO> page = PageUtil.getPage(query, MyCollectVO.class);
        baseMapper.getPage(page, query);
        return Result.ok().data(page.getRecords()).total(page.getTotal());
    }

    /**
     * 根据id查找
     * @param id
     * @return
     */
    @Override
    public Result detail(String id) {
        MyCollectVO 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<MyCollect> entities = baseMapper.selectList(null);
        List<MyCollectVO> vos = entities.stream()
                .map(entity -> MyCollectVO.getVoByEntity(entity, null))
                .collect(Collectors.toList());
        return Result.ok().data(vos);
    }

    @Override
    public List<SimpleMyCollectVO> getCollectsByVideoIds(List<String> videoIds) {
        return baseMapper.getCollectsByVideoIds(videoIds, UserContext.getCurrentUserId());
    }

    @Override
    public List<CollectTypeNumVO> countNumGroupByType(String type) {
        return baseMapper.countNumGroupByType(type);
    }
}