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

import cc.mrbird.febs.common.entity.FebsResponse;
import cc.mrbird.febs.common.entity.QueryRequest;
import cc.mrbird.febs.mall.conversion.MallGoodsConversion;
import cc.mrbird.febs.mall.dto.*;
import cc.mrbird.febs.mall.entity.*;
import cc.mrbird.febs.mall.mapper.*;
import cc.mrbird.febs.mall.service.IAdminMallGoodsService;
import cc.mrbird.febs.mall.vo.*;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
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 org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

@Slf4j
@Service
@RequiredArgsConstructor
@Transactional
public class AdminMallGoodsService extends ServiceImpl<MallGoodsMapper, MallGoods> implements IAdminMallGoodsService {

    private final MallGoodsCategoryMapper mallGoodsCategoryMapper;
    private final MallGoodsMapper mallGoodsMapper;
    private final MallGoodsSkuMapper mallGoodsSkuMapper;
    private final MallGoodsStyleMapper mallGoodsStyleMapper;
    private final MallGoodsImagesMapper mallGoodsImagesMapper;
    private final MallShoppingCartMapper mallShoppingCartMapper;

    @Override
    public IPage<AdminMallGoodsVo> getCategoryListInPage(MallGoods mallGoods, QueryRequest request) {
        Page<AdminMallGoodsVo> page = new Page<>(request.getPageNum(), request.getPageSize());
        IPage<AdminMallGoodsVo> adminMallGoodsVos = this.baseMapper.selectMallGoodsInPage(page, mallGoods);
        return adminMallGoodsVos;
    }

    @Override
    @Transactional
    public FebsResponse addMallGoods(AddMallGoodsDto addMallGoodsDto) {
        String goodsName = addMallGoodsDto.getGoodsName();
        if (StrUtil.isEmpty(goodsName)) {
            return new FebsResponse().fail().message("商品名称不能为空");
        }
        Integer mallGoodsByGoodsName = mallGoodsMapper.selectMallGoodsCountByGoodsName(goodsName);
        if (mallGoodsByGoodsName > 0) {
            return new FebsResponse().fail().message("商品名称不能重复");
        }
        String goodsNo = addMallGoodsDto.getGoodsNo();
        if (StrUtil.isEmpty(goodsNo)) {
            return new FebsResponse().fail().message("商品编号不能为空");
        }
        Integer mallGoodsByGoodsNo = mallGoodsMapper.selectMallGoodsCountByGoodsNo(goodsNo);
        if (mallGoodsByGoodsNo > 0) {
            return new FebsResponse().fail().message("商品编号不能重复");
        }

        // 付费商品
        if (addMallGoodsDto.getGoodsType() != 2) {
            Long categoryId = addMallGoodsDto.getCategoryId();
            if (ObjectUtil.isEmpty(categoryId)) {
                return new FebsResponse().fail().message("商品分类不能为空");
            }

            List<AddMallGoodsSkuDto> addSkus = addMallGoodsDto.getAddMallGoodsSkuDtos();
            if (CollUtil.isEmpty(addSkus)) {
                return new FebsResponse().fail().message("商品规格不能为空");
            }
            for (AddMallGoodsSkuDto addSku : addSkus) {
                String skuName = addSku.getSkuName();
                if (StrUtil.isEmpty(skuName)) {
                    return new FebsResponse().fail().message("商品规格名称不能为空");
                }
                String skuImage = addSku.getSkuImage();
                if (StrUtil.isEmpty(skuImage)) {
                    return new FebsResponse().fail().message("商品规格图片不能为空");
                }
                Integer skuVolume = addSku.getSkuVolume() == null ? 0 : addSku.getSkuVolume();
                if (skuVolume < 0) {
                    return new FebsResponse().fail().message("商品规格销售数量不能小于0");
                }
                Integer stock = addSku.getStock() == null ? 0 : addSku.getStock();
                if (stock < 0) {
                    return new FebsResponse().fail().message("商品规格库存必须大于0");
                }
                String originalPrice = addSku.getOriginalPrice();
                if (StrUtil.isEmpty(originalPrice)) {
                    return new FebsResponse().fail().message("商品规格原价不能为空");
                }
                String presentPrice = addSku.getPresentPrice();
                if (StrUtil.isEmpty(presentPrice)) {
                    return new FebsResponse().fail().message("商品规格现价不能为空");
                }
            }
        }
        //新增商品
        MallGoods mallGoods = MallGoodsConversion.INSTANCE.dtoToEntity(addMallGoodsDto);
        mallGoods.setIsSale(MallGoods.ISSALE_STATUS_DISABLED);
        mallGoodsMapper.insert(mallGoods);

        String thumbs = addMallGoodsDto.getThumbs();
        if (StrUtil.isNotEmpty(thumbs)) {
            List<String> imgs = StrUtil.splitTrim(thumbs, ",");
            if (CollUtil.isNotEmpty(imgs)) {
                int i = 1;
                for (String img : imgs) {
                    MallGoodsImages mallGoodsImages = new MallGoodsImages();
                    mallGoodsImages.setGoodsId(mallGoods.getId());
                    mallGoodsImages.setImageUrl(img);
                    mallGoodsImages.setSeq(i);
                    mallGoodsImagesMapper.insert(mallGoodsImages);
                    i++;
                }
            }
        }

        if (addMallGoodsDto.getGoodsType() == 2) {
            return new FebsResponse().success().message("添加成功");
        }


        List<AddMallGoodsSkuDto> addMallGoodsSkuDtos = addMallGoodsDto.getAddMallGoodsSkuDtos();
        Set<String> styles = new HashSet<>();
        if (CollUtil.isNotEmpty(addMallGoodsSkuDtos)) {
            for (AddMallGoodsSkuDto addStyleDto : addMallGoodsSkuDtos) {
                styles.add(addStyleDto.getStyleName());
            }
        }
        if (CollUtil.isNotEmpty(styles)) {
            for (String style : styles) {
                //新增样式
                MallGoodsStyle mallGoodsStyle = new MallGoodsStyle();
                mallGoodsStyle.setName(style);
                mallGoodsStyle.setGoodsId(mallGoods.getId());
                mallGoodsStyleMapper.insert(mallGoodsStyle);
            }
        }


        if (CollUtil.isNotEmpty(addMallGoodsSkuDtos)) {
            for (AddMallGoodsSkuDto addMallGoodsSkuDto : addMallGoodsSkuDtos) {
                MallGoodsStyle mallGoodsStyleSku = mallGoodsStyleMapper.selectByStyleName(addMallGoodsSkuDto.getStyleName(), mallGoods.getId());
                //新增商品规格
                MallGoodsSku mallGoodsSku = new MallGoodsSku();
                mallGoodsSku.setSkuName(addMallGoodsSkuDto.getSkuName());
                mallGoodsSku.setSkuImage(addMallGoodsSkuDto.getSkuImage());
                mallGoodsSku.setStock(addMallGoodsSkuDto.getStock() == null ? 0 : addMallGoodsSkuDto.getStock());
                mallGoodsSku.setSkuVolume(addMallGoodsSkuDto.getSkuVolume() == null ? 0 : addMallGoodsSkuDto.getSkuVolume());
                mallGoodsSku.setOriginalPrice(new BigDecimal(addMallGoodsSkuDto.getOriginalPrice()));
                mallGoodsSku.setPresentPrice(new BigDecimal(addMallGoodsSkuDto.getPresentPrice()));
                mallGoodsSku.setStyleId(mallGoodsStyleSku.getId());
                mallGoodsSku.setCostPrice(addMallGoodsSkuDto.getCostPrice());
                mallGoodsSku.setGoodsId(mallGoods.getId());
                mallGoodsSkuMapper.insert(mallGoodsSku);
            }
        }

        return new FebsResponse().success().message("操作成功");
    }

    @Override
    public FebsResponse upMallGoods(Long id) {
        MallGoods mallGoods = mallGoodsMapper.selectById(id);
        if (ObjectUtil.isEmpty(mallGoods)) {
            return new FebsResponse().fail().message("商品不存在，请刷新当前页面");
        }
        mallGoods.setIsSale(MallGoods.ISSALE_STATUS_ENABLE);
        mallGoodsMapper.updateById(mallGoods);
        return new FebsResponse().success();
    }

    @Override
    public FebsResponse downMallGoods(Long id) {
        MallGoods mallGoods = mallGoodsMapper.selectById(id);
        if (ObjectUtil.isEmpty(mallGoods)) {
            return new FebsResponse().fail().message("商品不存在，请刷新当前页面");
        }
        mallGoods.setIsSale(MallGoods.ISSALE_STATUS_DISABLED);
        mallGoodsMapper.updateById(mallGoods);
        return new FebsResponse().success();
    }

    @Override
    @Transactional
    public FebsResponse delMallGoods(Long id) {
        MallGoods mallGoods = mallGoodsMapper.selectById(id);
        if (ObjectUtil.isEmpty(mallGoods)) {
            return new FebsResponse().fail().message("商品不存在，请刷新当前页面");
        }
        Integer isSale = mallGoods.getIsSale();
        if (MallGoods.ISSALE_STATUS_DISABLED != isSale) {
            return new FebsResponse().fail().message("请先下架该商品");
        }

        mallGoodsStyleMapper.deleteByGoodsId(id);
        mallGoodsSkuMapper.deleteByGoodsId(id);
        mallGoodsMapper.deleteById(mallGoods);
        mallShoppingCartMapper.deleteByGoodsId(id);

        return new FebsResponse().success();
    }

    @Override
    public AdminMailGoodsDetailVo getMallGoodsInfoById(long id) {
        AdminMailGoodsDetailVo adminMailGoodsDetailVo = mallGoodsMapper.selectMallGoodsInfoById(id);
        List<AdminMailGoodsSkuDetailVo> adminMailGoodsSkuDetailVos = mallGoodsSkuMapper.selectByGoodId(id);
        adminMailGoodsDetailVo.setMailGoodsSkuDetailVo(adminMailGoodsSkuDetailVos);
        return adminMailGoodsDetailVo;
    }

    @Override
    public AdminMailGoodsUpdateVo getMallGoodsUpdateInfoById(long id) {
        AdminMailGoodsUpdateVo adminMailGoodsUpdateVo = mallGoodsMapper.getMallGoodsUpdateInfoById(id);
        List<AdminMailGoodsSkuDetailVo> adminMailGoodsSkuDetailVos = mallGoodsSkuMapper.selectByGoodId(id);
        if (CollUtil.isNotEmpty(adminMailGoodsSkuDetailVos)) {
            adminMailGoodsUpdateVo.setMailGoodsSkuDetailVo(adminMailGoodsSkuDetailVos);
        }
        List<String> adminMailGoodsImagesVos = mallGoodsImagesMapper.selectByGoodId(id);
        if (CollUtil.isNotEmpty(adminMailGoodsImagesVos)) {
            adminMailGoodsUpdateVo.setMailGoodsImagesVo(adminMailGoodsImagesVos);
        }
        return adminMailGoodsUpdateVo;
    }

    @Override
    @Transactional
    public FebsResponse updateMallGoods(MallGoodsUpdateDto mallGoodsUpdateDto) {
        String goodsName = mallGoodsUpdateDto.getGoodsName();
        if (StrUtil.isEmpty(goodsName)) {
            return new FebsResponse().fail().message("商品名称不能为空");
        }
        Integer mallGoodsByGoodsName = mallGoodsMapper.selectMallGoodsCountByGoodsNameAndGoodId(goodsName, mallGoodsUpdateDto.getId());
        if (mallGoodsByGoodsName > 0) {
            return new FebsResponse().fail().message("商品名称不能重复");
        }
        String goodsNo = mallGoodsUpdateDto.getGoodsNo();
        if (StrUtil.isEmpty(goodsNo)) {
            return new FebsResponse().fail().message("商品编号不能为空");
        }
        Integer mallGoodsByGoodsNo = mallGoodsMapper.selectMallGoodsCountByGoodsNoAndGoodId(goodsNo, mallGoodsUpdateDto.getId());
        if (mallGoodsByGoodsNo > 0) {
            return new FebsResponse().fail().message("商品编号不能重复");
        }
        Long categoryId = mallGoodsUpdateDto.getCategoryId();
        if (ObjectUtil.isEmpty(categoryId)) {
            return new FebsResponse().fail().message("商品分类不能为空");
        }
        List<MailGoodsSkuDto> addSkus = mallGoodsUpdateDto.getMailGoodsSkuDto();
        if (CollUtil.isEmpty(addSkus)) {
            return new FebsResponse().fail().message("商品规格不能为空");
        }
        for (MailGoodsSkuDto addSku : addSkus) {
            String skuName = addSku.getSkuName();
            if (StrUtil.isEmpty(skuName)) {
                return new FebsResponse().fail().message("商品规格名称不能为空");
            }
            String skuImage = addSku.getSkuImage();
            if (StrUtil.isEmpty(skuImage)) {
                return new FebsResponse().fail().message("商品规格图片不能为空");
            }
            Integer skuVolume = addSku.getSkuVolume() == null ? 0 : addSku.getSkuVolume();
            if (skuVolume < 0) {
                return new FebsResponse().fail().message("商品规格销售数量不能小于0");
            }
            Integer stock = addSku.getStock() == null ? 0 : addSku.getStock();
            if (stock < 0) {
                return new FebsResponse().fail().message("商品规格库存必须大于0");
            }
            BigDecimal originalPrice = addSku.getOriginalPrice();
            if (originalPrice.compareTo(BigDecimal.ZERO) <= 0) {
                return new FebsResponse().fail().message("商品规格原价不能小于0");
            }
            BigDecimal presentPrice = addSku.getPresentPrice();
            if (presentPrice.compareTo(BigDecimal.ZERO) <= 0) {
                return new FebsResponse().fail().message("商品规格现价不能小于0");
            }

        }
        //新增商品
        MallGoods mallGoods = mallGoodsMapper.selectById(mallGoodsUpdateDto.getId());
        mallGoods.setGoodsNo(mallGoodsUpdateDto.getGoodsNo());
        mallGoods.setGoodsName(mallGoodsUpdateDto.getGoodsName());
        mallGoods.setGoodsIntrodution(mallGoodsUpdateDto.getGoodsIntrodution());
        mallGoods.setUnit(mallGoodsUpdateDto.getUnit());
        mallGoods.setThumb(mallGoodsUpdateDto.getThumb());
        mallGoods.setGoodsDetails(mallGoodsUpdateDto.getGoodsDetails());
        mallGoods.setOriginalPrice(mallGoodsUpdateDto.getOriginalPrice());
        mallGoods.setCategoryId(mallGoodsUpdateDto.getCategoryId());
        mallGoods.setPresentPrice(mallGoodsUpdateDto.getPresentPrice());
        mallGoods.setIsHot(mallGoodsUpdateDto.getIsHot());
//        mallGoods.setIsSale(MallGoods.ISSALE_STATUS_DISABLED);
        mallGoodsMapper.updateById(mallGoods);

        mallGoodsImagesMapper.deleteByGoodsId(mallGoodsUpdateDto.getId());

        String thumbs = mallGoodsUpdateDto.getThumbs();
        if (StrUtil.isNotEmpty(thumbs)) {
            List<String> imgs = StrUtil.splitTrim(thumbs, ",");
            if (CollUtil.isNotEmpty(imgs)) {
                int i = 1;
                for (String img : imgs) {
                    MallGoodsImages mallGoodsImages = new MallGoodsImages();
                    mallGoodsImages.setGoodsId(mallGoods.getId());
                    mallGoodsImages.setImageUrl(img);
                    mallGoodsImages.setSeq(i);
                    mallGoodsImagesMapper.insert(mallGoodsImages);
                    i++;
                }
            }
        }

        List<MailGoodsSkuDto> mailGoodsSkuDto = mallGoodsUpdateDto.getMailGoodsSkuDto();
        Set<String> styles = new HashSet<>();
        if (CollUtil.isNotEmpty(mailGoodsSkuDto)) {
            for (MailGoodsSkuDto addStyleDto : mailGoodsSkuDto) {
                if (ObjectUtil.isNotEmpty(addStyleDto.getDelLog())) {
                    mallGoodsSkuMapper.deleteById(addStyleDto.getId());

                    mallShoppingCartMapper.deleteByGoodsIdAndSkuId(addStyleDto.getId(), addStyleDto.getGoodsId());
                }
                if (ObjectUtil.isEmpty(addStyleDto.getStyleId())) {
                    MallGoodsStyle mallGoodsStyleSku = mallGoodsStyleMapper.selectByStyleName(addStyleDto.getStyleName(), mallGoods.getId());
                    if (ObjectUtil.isEmpty(mallGoodsStyleSku)) {
                        styles.add(addStyleDto.getStyleName());
                    }
                }
            }
        }
        if (CollUtil.isNotEmpty(styles)) {
            for (String style : styles) {
                //新增样式
                MallGoodsStyle mallGoodsStyle = new MallGoodsStyle();
                mallGoodsStyle.setName(style);
                mallGoodsStyle.setGoodsId(mallGoods.getId());
                mallGoodsStyleMapper.insert(mallGoodsStyle);
            }
        }

        if (CollUtil.isNotEmpty(mailGoodsSkuDto)) {
            for (MailGoodsSkuDto addMallGoodsSkuDto : mailGoodsSkuDto) {
                if (StrUtil.isEmpty(addMallGoodsSkuDto.getDelLog())) {
                    if (ObjectUtil.isNotEmpty(addMallGoodsSkuDto.getId())) {
                        MallGoodsSku mallGoodsSku = mallGoodsSkuMapper.selectById(addMallGoodsSkuDto.getId());
                        mallGoodsSku.setSkuName(addMallGoodsSkuDto.getSkuName());
                        mallGoodsSku.setSkuImage(addMallGoodsSkuDto.getSkuImage());
                        mallGoodsSku.setStock(addMallGoodsSkuDto.getStock() == null ? 0 : addMallGoodsSkuDto.getStock());
                        mallGoodsSku.setSkuVolume(addMallGoodsSkuDto.getSkuVolume() == null ? 0 : addMallGoodsSkuDto.getSkuVolume());
                        mallGoodsSku.setOriginalPrice(addMallGoodsSkuDto.getOriginalPrice());
                        mallGoodsSku.setPresentPrice(addMallGoodsSkuDto.getPresentPrice());
                        mallGoodsSku.setStyleId(addMallGoodsSkuDto.getStyleId());
                        mallGoodsSku.setGoodsId(mallGoods.getId());
                        mallGoodsSkuMapper.updateById(mallGoodsSku);
                    } else {
                        //新增商品规格
                        MallGoodsStyle mallGoodsStyleSku = mallGoodsStyleMapper.selectByStyleName(addMallGoodsSkuDto.getStyleName(), mallGoods.getId());
                        MallGoodsSku mallGoodsSku = new MallGoodsSku();
                        mallGoodsSku.setSkuName(addMallGoodsSkuDto.getSkuName());
                        mallGoodsSku.setSkuImage(addMallGoodsSkuDto.getSkuImage());
                        mallGoodsSku.setStock(addMallGoodsSkuDto.getStock() == null ? 0 : addMallGoodsSkuDto.getStock());
                        mallGoodsSku.setSkuVolume(addMallGoodsSkuDto.getSkuVolume() == null ? 0 : addMallGoodsSkuDto.getSkuVolume());
                        mallGoodsSku.setOriginalPrice(addMallGoodsSkuDto.getOriginalPrice());
                        mallGoodsSku.setPresentPrice(addMallGoodsSkuDto.getPresentPrice());
                        mallGoodsSku.setStyleId(mallGoodsStyleSku.getId());
                        mallGoodsSku.setGoodsId(mallGoods.getId());
                        mallGoodsSkuMapper.insert(mallGoodsSku);
                    }
                }
            }
        }
        return new FebsResponse().success().message("操作成功");
    }

    @Override
    public List<AdminMallGoodsTreeVo> getAllGoodsTree() {
        return mallGoodsMapper.getAllGoodsTree();
    }


}