package com.doumee.service.business.impl;

import com.doumee.biz.system.SystemDictDataBiz;
import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.model.PageData;
import com.doumee.core.model.PageWrap;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.Utils;
import com.doumee.dao.business.GoodsMapper;
import com.doumee.dao.business.GoodsSkuMapper;
import com.doumee.dao.business.GoodsorderDetailMapper;
import com.doumee.dao.business.ShopcartMapper;
import com.doumee.dao.business.model.*;
import com.doumee.dao.web.request.goods.AddCartGoodsRequest;
import com.doumee.dao.web.request.goods.UpdCartGoodsRequest;
import com.doumee.dao.web.response.goods.CartGoodsResponse;
import com.doumee.service.business.ShopcartService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.util.Date;
import java.util.List;
import java.util.Objects;

/**
 * 购物车信息表Service实现
 * @author 江蹄蹄
 * @date 2023/03/21 15:48
 */
@Service
public class ShopcartServiceImpl implements ShopcartService {

    @Autowired
    private ShopcartMapper shopcartMapper;

    @Autowired
    private GoodsMapper goodsMapper;
    @Autowired
    private GoodsSkuMapper goodsSkuMapper;

    @Autowired
    private GoodsorderDetailMapper goodsorderDetailMapper;


    @Autowired
    private SystemDictDataBiz systemDictDataBiz;

    @Override
    public Integer create(Shopcart shopcart) {
        shopcartMapper.insert(shopcart);
        return shopcart.getId();
    }

    @Override
    public void deleteById(Integer id) {
        shopcartMapper.deleteById(id);
    }

    @Override
    public void delete(Shopcart shopcart) {
        UpdateWrapper<Shopcart> deleteWrapper = new UpdateWrapper<>(shopcart);
        shopcartMapper.delete(deleteWrapper);
    }

    @Override
    public void deleteByIdInBatch(List<Integer> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return;
        }
        shopcartMapper.deleteBatchIds(ids);
    }

    @Override
    public void updateById(Shopcart shopcart) {
        shopcartMapper.updateById(shopcart);
    }

    @Override
    public void updateByIdInBatch(List<Shopcart> shopcarts) {
        if (CollectionUtils.isEmpty(shopcarts)) {
            return;
        }
        for (Shopcart shopcart: shopcarts) {
            this.updateById(shopcart);
        }
    }

    @Override
    public Shopcart findById(Integer id) {
        return shopcartMapper.selectById(id);
    }

    @Override
    public Shopcart findOne(Shopcart shopcart) {
        QueryWrapper<Shopcart> wrapper = new QueryWrapper<>(shopcart);
        return shopcartMapper.selectOne(wrapper);
    }

    @Override
    public List<Shopcart> findList(Shopcart shopcart) {
        QueryWrapper<Shopcart> wrapper = new QueryWrapper<>(shopcart);
        return shopcartMapper.selectList(wrapper);
    }
  
    @Override
    public PageData<Shopcart> findPage(PageWrap<Shopcart> pageWrap) {
        IPage<Shopcart> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        QueryWrapper<Shopcart> queryWrapper = new QueryWrapper<>();
        Utils.MP.blankToNull(pageWrap.getModel());
        if (pageWrap.getModel().getId() != null) {
            queryWrapper.lambda().eq(Shopcart::getId, pageWrap.getModel().getId());
        }
        if (pageWrap.getModel().getCreator() != null) {
            queryWrapper.lambda().eq(Shopcart::getCreator, pageWrap.getModel().getCreator());
        }
        if (pageWrap.getModel().getCreateDate() != null) {
            queryWrapper.lambda().ge(Shopcart::getCreateDate, Utils.Date.getStart(pageWrap.getModel().getCreateDate()));
            queryWrapper.lambda().le(Shopcart::getCreateDate, Utils.Date.getEnd(pageWrap.getModel().getCreateDate()));
        }
        if (pageWrap.getModel().getEditor() != null) {
            queryWrapper.lambda().eq(Shopcart::getEditor, pageWrap.getModel().getEditor());
        }
        if (pageWrap.getModel().getEditDate() != null) {
            queryWrapper.lambda().ge(Shopcart::getEditDate, Utils.Date.getStart(pageWrap.getModel().getEditDate()));
            queryWrapper.lambda().le(Shopcart::getEditDate, Utils.Date.getEnd(pageWrap.getModel().getEditDate()));
        }
        if (pageWrap.getModel().getIsdeleted() != null) {
            queryWrapper.lambda().eq(Shopcart::getIsdeleted, pageWrap.getModel().getIsdeleted());
        }
        if (pageWrap.getModel().getRemark() != null) {
            queryWrapper.lambda().eq(Shopcart::getRemark, pageWrap.getModel().getRemark());
        }
        if (pageWrap.getModel().getMemberId() != null) {
            queryWrapper.lambda().eq(Shopcart::getMemberId, pageWrap.getModel().getMemberId());
        }
        if (pageWrap.getModel().getProductId() != null) {
            queryWrapper.lambda().eq(Shopcart::getProductId, pageWrap.getModel().getProductId());
        }
        if (pageWrap.getModel().getNum() != null) {
            queryWrapper.lambda().eq(Shopcart::getNum, pageWrap.getModel().getNum());
        }
        for(PageWrap.SortData sortData: pageWrap.getSorts()) {
            if (sortData.getDirection().equalsIgnoreCase(PageWrap.DESC)) {
                queryWrapper.orderByDesc(sortData.getProperty());
            } else {
                queryWrapper.orderByAsc(sortData.getProperty());
            }
        }
        return PageData.from(shopcartMapper.selectPage(page, queryWrapper));
    }

    @Override
    public long count(Shopcart shopcart) {
        QueryWrapper<Shopcart> wrapper = new QueryWrapper<>(shopcart);
        return shopcartMapper.selectCount(wrapper);
    }

    /****************************************移动端接口开始********************************************************************/

    /**
     * 购物车商品列表接口
     * @param pageWrap
     * @return
     */
    @Override
    public IPage<CartGoodsResponse> cartGoodsPage(PageWrap pageWrap, Integer memberId) {
        IPage<CartGoodsResponse> page = shopcartMapper.cartGoodsPage(pageWrap.toPage(),memberId);
        String fullUrl = systemDictDataBiz.queryByCode(Constants.OSS,Constants.RESOURCE_PATH).getCode()+
                systemDictDataBiz.queryByCode(Constants.OSS,Constants.GOODS_FILE).getCode();
        page.getRecords().forEach(i->{
            i.setImgUrl(fullUrl + i.getImgUrl());
        });
        return page;
    }

    /**
     * 购物车商品数量
     * @param memberId
     * @return
     */
    @Override
    public Integer cartGoodsTypeNum(Integer memberId) {
        return shopcartMapper.selectList(new QueryWrapper<Shopcart>().lambda()
                .eq(Shopcart::getMemberId,memberId)
                .eq(Shopcart::getIsdeleted,Constants.ZERO)
        ).size();
    }


    /**
     * 更新购物车数量
     * @param updCartGoodsRequest
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateUnm(UpdCartGoodsRequest updCartGoodsRequest){
        Shopcart shopcart = shopcartMapper.selectById(updCartGoodsRequest.getId());
        if(Objects.isNull(shopcart)){
            throw new BusinessException(ResponseStatus.DATA_EMPTY.getCode(),"未查询到购物车信息");
        }
        if(!shopcart.getMemberId().equals(updCartGoodsRequest.getMemberId())){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"登录人与购物车归属人不一致，无法修改");
        };
        if(updCartGoodsRequest.getNum().equals(Constants.ZERO)){
            shopcartMapper.deleteById(updCartGoodsRequest.getId());
        }else{
            shopcart.setNum(updCartGoodsRequest.getNum());
            shopcart.setEditDate(new Date());
            shopcart.setEditor(updCartGoodsRequest.getMemberId());
            shopcartMapper.updateById(shopcart);
        }
    }

    /**
     * 新增购物车商品信息
     * @param addCartGoodsRequest
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void addCart(AddCartGoodsRequest addCartGoodsRequest){
        //查询购物车是否存在当前选中的商品信息
        Shopcart shopcart = shopcartMapper.selectOne(new QueryWrapper<Shopcart>()
                .eq("MEMBER_ID",addCartGoodsRequest.getMemberId())
                .eq("GOODS_SKU_ID",addCartGoodsRequest.getGoodsSkuId())
        );
//        Goods goods = goodsMapper.selectById(addCartGoodsRequest.getGoodsId());
//        if(Objects.isNull(goods)){
//            throw new BusinessException(ResponseStatus.DATA_EMPTY.getCode(),"未查询到商品信息");
//        }
//        if(!goods.getType().equals(Constants.ZERO)){
//            throw new BusinessException(ResponseStatus.DATA_EMPTY.getCode(),"非商城商品无法加入购物车");
//        }
        GoodsSku goodsSku = goodsSkuMapper.selectById(addCartGoodsRequest.getGoodsSkuId());
        if(Objects.isNull(goodsSku)){
            throw new BusinessException(ResponseStatus.DATA_EMPTY.getCode(),"未查询到商品SKU信息");
        }
        if(!Objects.isNull(shopcart)){
            shopcart.setNum(shopcart.getNum() + addCartGoodsRequest.getNum());
            shopcart.setEditDate(new Date());
            shopcart.setEditor(addCartGoodsRequest.getMemberId());
            shopcartMapper.updateById(shopcart);
        }else{
            Shopcart newShopCart = new Shopcart();
            newShopCart.setNum(addCartGoodsRequest.getNum());
            newShopCart.setProductId(addCartGoodsRequest.getGoodsId());
            newShopCart.setCreator(addCartGoodsRequest.getMemberId());
            newShopCart.setCreateDate(new Date());
            newShopCart.setGoodsSkuId(addCartGoodsRequest.getGoodsSkuId());
            newShopCart.setIsdeleted(Constants.ZERO);
            newShopCart.setMemberId(addCartGoodsRequest.getMemberId());
            shopcartMapper.insert(newShopCart);
        }
    }


    /**
     * 订单加入购物车
     * @param orderId
     * @param memberId
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void orderToCart(Integer orderId,Integer memberId){
        List<GoodsorderDetail> goodsOrderDetailList = goodsorderDetailMapper.selectList(new QueryWrapper<GoodsorderDetail>()
                .eq("ORDER_ID",orderId));
        if(!Objects.isNull(goodsOrderDetailList)&&goodsOrderDetailList.size()>Constants.ZERO){
            for (GoodsorderDetail goodsOrderDetail:goodsOrderDetailList
                 ) {
                //查询sku是否还存在
                GoodsSku goodsSku = goodsSkuMapper.selectById(goodsOrderDetail.getGoodsSkuId());
                if(!Objects.isNull(goodsSku)
                        &&goodsSku.getStatus().equals(Constants.ZERO)
                        &&goodsSku.getIsdeleted().equals(Constants.ZERO)){
                    //查询购物车是否存在该商品SKU信息
                    Shopcart shopcart = shopcartMapper.selectOne(new QueryWrapper<Shopcart>().eq("MEMBER_ID",memberId)
                            .eq("GOODS_SKU_ID",goodsSku.getId()));
                    if(Objects.isNull(shopcart)){
                        shopcart = new Shopcart();
                        shopcart.setNum(goodsOrderDetail.getGoodsNum());
                        shopcart.setProductId(goodsOrderDetail.getGoodsNum());
                        shopcart.setCreator(memberId);
                        shopcart.setCreateDate(new Date());
                        shopcart.setGoodsSkuId(goodsSku.getId());
                        shopcart.setIsdeleted(Constants.ZERO);
                        shopcart.setMemberId(memberId);
                        shopcartMapper.insert(shopcart);
                    }else{
                        shopcart.setNum(shopcart.getNum() + goodsOrderDetail.getGoodsNum());
                        shopcart.setEditor(memberId);
                        shopcart.setEditDate(new Date());
                        shopcartMapper.updateById(shopcart);
                    }
                }
            }
        }
    }

}