package cc.mrbird.febs.mall.service.impl;

import cc.mrbird.febs.common.exception.FebsException;
import cc.mrbird.febs.common.utils.LoginUserUtil;
import cc.mrbird.febs.mall.dto.MemberFootprintListDto;
import cc.mrbird.febs.mall.entity.MallGoods;
import cc.mrbird.febs.mall.entity.MallMember;
import cc.mrbird.febs.mall.entity.MallMemberCollection;
import cc.mrbird.febs.mall.entity.MallMemberFootprint;
import cc.mrbird.febs.mall.mapper.MallMemberFootprintMapper;
import cc.mrbird.febs.mall.service.IApiMallGoodsService;
import cc.mrbird.febs.mall.service.IMallMemberFootprintService;
import cc.mrbird.febs.mall.vo.CollectionListVo;
import cc.mrbird.febs.mall.vo.FootprintListVo;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

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

@Slf4j
@Service
@RequiredArgsConstructor
public class MallMemberFootprintServiceImpl extends ServiceImpl<MallMemberFootprintMapper, MallMemberFootprint> implements IMallMemberFootprintService {

    private final IApiMallGoodsService apiMallGoodsService;

    @Override
    public void add(Long goodsId, Long memberId) {
        MallGoods mallgoods = apiMallGoodsService.getById(goodsId);
        if (mallgoods == null) {
            throw new FebsException("商品不存在");
        }

        LambdaQueryWrapper<MallMemberFootprint> query = new LambdaQueryWrapper<>();
        query.eq(MallMemberFootprint::getGoodsId, goodsId);
        query.eq(MallMemberFootprint::getMemberId, memberId);
        MallMemberFootprint mallMemberFootprint = this.baseMapper.selectOne(query);
        if (mallMemberFootprint == null) {
            mallMemberFootprint = new MallMemberFootprint();
            mallMemberFootprint.setGoodsId(goodsId);
            mallMemberFootprint.setMemberId(memberId);
            this.baseMapper.insert(mallMemberFootprint);
        } else {
            mallMemberFootprint.setUpdatedTime(new Date());
            this.baseMapper.updateById(mallMemberFootprint);
        }
    }

    @Override
    public List<FootprintListVo> findMemberFootprintList(MemberFootprintListDto memberFootprintListDto) {
        MallMember member = LoginUserUtil.getLoginUser();
        MallMemberFootprint footprint = new MallMemberFootprint();
        footprint.setMemberId(member.getId());

        Page<MallMemberFootprint> page = new Page<>(memberFootprintListDto.getPageNow(), memberFootprintListDto.getPageSize());
        IPage<MallMemberFootprint> result = this.baseMapper.selectMemberFootprintListInPage(footprint, page);
        if (CollUtil.isEmpty(result.getRecords())) {
            return new ArrayList<>();
        }

        return result.getRecords().stream().map(item -> BeanUtil.copyProperties(item, FootprintListVo.class)).collect(Collectors.toList());
    }

    @Override
    public void del(String ids) {
        MallMember member = LoginUserUtil.getLoginUser();
        List<String> idsList = StrUtil.split(ids, ',');

        LambdaQueryWrapper<MallMemberFootprint> delQuery = new LambdaQueryWrapper<>();
        delQuery.in(MallMemberFootprint::getId, idsList);
        delQuery.eq(MallMemberFootprint::getMemberId, member.getId());
        this.baseMapper.delete(delQuery);
    }

    @Override
    public void empty() {
        MallMember member = LoginUserUtil.getLoginUser();

        LambdaQueryWrapper<MallMemberFootprint> delQuery = new LambdaQueryWrapper<>();
        delQuery.eq(MallMemberFootprint::getMemberId, member.getId());
        this.baseMapper.delete(delQuery);
    }
}