package cn.lili.modules.member.serviceimpl;

import cn.lili.common.security.context.UserContext;
import cn.lili.modules.goods.entity.dos.GoodsSku;
import cn.lili.modules.goods.service.GoodsSkuService;
import cn.lili.modules.member.entity.dos.FootPrint;
import cn.lili.modules.member.entity.dto.FootPrintQueryParams;
import cn.lili.modules.member.mapper.FootprintMapper;
import cn.lili.modules.member.service.FootprintService;
import cn.lili.modules.search.entity.dos.EsGoodsIndex;
import cn.lili.mybatis.util.PageUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

/**
 * 会员浏览历史业务层实现
 *
 * @author Chopper
 * @since 2020/11/18 10:46 上午
 */
@Service
public class FootprintServiceImpl extends ServiceImpl<FootprintMapper, FootPrint> implements FootprintService {


    @Autowired
    private GoodsSkuService goodsSkuService;

    @Override
    public FootPrint saveFootprint(FootPrint footPrint) {
        this.save(footPrint);
        return footPrint;
    }

    @Override
    public boolean clean() {
        LambdaQueryWrapper<FootPrint> lambdaQueryWrapper = Wrappers.lambdaQuery();
        lambdaQueryWrapper.eq(FootPrint::getMemberId, UserContext.getCurrentUser().getId());
        return this.remove(lambdaQueryWrapper);
    }

    @Override
    public boolean deleteByIds(List<String> ids) {
        LambdaQueryWrapper<FootPrint> lambdaQueryWrapper = Wrappers.lambdaQuery();
        lambdaQueryWrapper.eq(FootPrint::getMemberId, UserContext.getCurrentUser().getId());
        lambdaQueryWrapper.in(FootPrint::getRefId, ids);
        return this.remove(lambdaQueryWrapper);
    }

    @Override
    public IPage<EsGoodsIndex> footPrintPage(FootPrintQueryParams params) {
        params.setSort("createTime");
        Page<FootPrint> footPrintPages = this.page(PageUtil.initPage(params), params.queryWrapper());
        //定义结果
        Page<EsGoodsIndex> esGoodsIndexIPage = new Page<>();

        if (footPrintPages.getRecords() != null && !footPrintPages.getRecords().isEmpty()) {
            List<String> skuIds = footPrintPages.getRecords().stream().map(FootPrint::getSkuId).collect(Collectors.toList());
            List<GoodsSku> goodsSkuByIdFromCache = goodsSkuService.getGoodsSkuByIdFromCache(skuIds);
            List<EsGoodsIndex> collect = IntStream.range(0, goodsSkuByIdFromCache.size())
                    .mapToObj(i -> {
                        if (goodsSkuByIdFromCache.get(i) == null) {
                            return null;
                        }
                        Optional<FootPrint> first =
                                footPrintPages.getRecords().stream().filter(j -> j.getSkuId().equals(goodsSkuByIdFromCache.get(i).getId())).findFirst();
                        return first.map(footPrint -> new EsGoodsIndex(goodsSkuByIdFromCache.get(i), footPrint.getCreateTime())).orElseGet(() -> new EsGoodsIndex(goodsSkuByIdFromCache.get(i)));
                    })
                    .collect(Collectors.toList());

            collect.removeIf(Objects::isNull);

            esGoodsIndexIPage.setPages(footPrintPages.getPages());
            esGoodsIndexIPage.setRecords(collect);
            esGoodsIndexIPage.setTotal(footPrintPages.getTotal());
            esGoodsIndexIPage.setSize(footPrintPages.getSize());
            esGoodsIndexIPage.setCurrent(footPrintPages.getCurrent());
            return esGoodsIndexIPage;
        }
        return esGoodsIndexIPage;
    }

    @Override
    public long getFootprintNum() {
        LambdaQueryWrapper<FootPrint> lambdaQueryWrapper = Wrappers.lambdaQuery();
        lambdaQueryWrapper.eq(FootPrint::getMemberId, Objects.requireNonNull(UserContext.getCurrentUser()).getId());
        lambdaQueryWrapper.eq(FootPrint::getDeleteFlag, false);
        return this.count(lambdaQueryWrapper);
    }
}