package com.izouma.nineth.service;

import com.izouma.nineth.domain.Asset;
import com.izouma.nineth.domain.AssetSuperimposition;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.enums.AssetOperationType;
import com.izouma.nineth.enums.AssetShowStatus;
import com.izouma.nineth.enums.CollectionType;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.repo.AssetSuperimpositionRepo;
import com.izouma.nineth.repo.CollectionRepo;
import com.izouma.nineth.utils.JpaUtils;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Service;

import java.util.Objects;

@Service
@AllArgsConstructor
@Slf4j
public class AssetSuperimpositionService {

    private final int NUM = 1;

    private AssetSuperimpositionRepo assetSuperimpositionRepo;

    private CollectionRepo collectionRepo;

    public Page<AssetSuperimposition> all(PageQuery pageQuery) {
        return assetSuperimpositionRepo.findAll(JpaUtils.toSpecification(pageQuery, AssetSuperimposition.class), JpaUtils.toPageRequest(pageQuery));
    }

    /**
     * 调整各操作藏品叠加的数量信息
     *
     * @param asset    资产信息
     * @param type     操作类型
     * @param toUserId 相关用户id（买入人，被赠送人）
     */
    public void adjustNum(Asset asset, AssetOperationType type, Long toUserId) {
        AssetSuperimposition assetSuperimposition;
        if (asset.getType().equals(CollectionType.BLIND_BOX) && !asset.isOpened()) {
            assetSuperimposition = assetSuperimpositionRepo.findByBlindBoxAssetId(asset.getId()).orElse(null);
            if (Objects.isNull(assetSuperimposition) && !AssetOperationType.BUY.equals(type)) {
                throw new BusinessException("资产叠加表中没有该盲盒信息");
            }
        } else {
            assetSuperimposition = assetSuperimpositionRepo.findByUserIdAndPrefixName(asset.getUserId(), asset.getPrefixName()).orElse(null);
        }
        if (Objects.isNull(type)) {
            throw new BusinessException("操作类型不能为空");
        }
        if (StringUtils.isBlank(asset.getPrefixName())) {
            throw new BusinessException("prefixName不能为空");
        }
        if (Objects.isNull(asset.getUserId())) {
            throw new BusinessException("用户id不能为空");
        }
        if (Objects.isNull(assetSuperimposition)) {
            assetSuperimposition = new AssetSuperimposition(asset, asset.getUserId());
        }
        switch (type) {
            case OPEN_BLIND_BOX:
                log.info("调整{}数量 -> 开盲盒", asset.getId());
                AssetSuperimposition openBlindBox = assetSuperimpositionRepo.findByUserIdAndPrefixName(assetSuperimposition.getUserId(), assetSuperimposition.getPrefixName()).orElse(null);
                if (Objects.isNull(openBlindBox)) {
                    openBlindBox = new AssetSuperimposition(asset, asset.getUserId());
                }
                openBlindBox.setAuctioningNum(openBlindBox.getAuctionedNum() + assetSuperimposition.getAuctionedNum());
                openBlindBox.setConsignmentNum(openBlindBox.getConsignmentNum() + assetSuperimposition.getConsignmentNum());
                openBlindBox.setNum(openBlindBox.getNum() + assetSuperimposition.getNum());
                openBlindBox.setCloseShowNum(openBlindBox.getCloseShowNum() + assetSuperimposition.getCloseShowNum());
                openBlindBox.setOpenShowNum(openBlindBox.getOpenShowNum() + assetSuperimposition.getOpenShowNum());
                setAssetStatus(openBlindBox);
                assetSuperimpositionRepo.save(openBlindBox);
                assetSuperimpositionRepo.deleteById(assetSuperimposition.getId());
                break;
            case OPEN:
                log.info("调整{}数量 -> 公开展示", asset.getId());
                if (!asset.isConsignment()) {
                    assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() - NUM);
                    assetSuperimposition.setOpenShowNum(assetSuperimposition.getOpenShowNum() + NUM);
                }
                break;
            case CLOSE:
                log.info("调整{}数量 -> 关闭公开展示", asset.getId());
                if (!asset.isConsignment()) {
                    assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() + NUM);
                    assetSuperimposition.setOpenShowNum(assetSuperimposition.getOpenShowNum() - NUM);
                }
                break;
            case CONSIGNMENT:
                log.info("调整{}数量 -> 寄售", asset.getId());
                publicShowOrFalseReduce(assetSuperimposition, asset);
                assetSuperimposition.setConsignmentNum(assetSuperimposition.getConsignmentNum() + NUM);
                break;
            case CANCEL_CONSIGNMENT:
                log.info("调整{}数量 -> 取消寄售", asset.getId());
                publicShowOrFalseAdd(assetSuperimposition, asset);
                assetSuperimposition.setConsignmentNum(assetSuperimposition.getConsignmentNum() - NUM);
                break;
            case CONSIGNMENT_SUCCESS:
                log.info("调整{}数量 -> 转让成功", asset.getId());
                assetSuperimposition.setNum(assetSuperimposition.getNum() - NUM);
                assetSuperimposition.setConsignmentNum(assetSuperimposition.getConsignmentNum() - NUM);
                relatedUserAdjustNum(toUserId, asset.getPrefixName(), asset);
                break;
            case AUCTIONING:
                log.info("调整{}数量 -> 拍卖", asset.getId());
                assetSuperimposition.setAuctioningNum(assetSuperimposition.getAuctionedNum() + NUM);
                break;
            case AUCTIONING_FAIL:
                log.info("调整{}数量 -> 拍卖失败/取消", asset.getId());
                assetSuperimposition.setAuctioningNum(assetSuperimposition.getAuctionedNum() - NUM);
                break;
            case AUCTIONING_SUCCESS:
                log.info("调整{}数量 -> 拍卖成功", asset.getId());
                assetSuperimposition.setNum(assetSuperimposition.getNum() - NUM);
                assetSuperimposition.setAuctioningNum(assetSuperimposition.getAuctionedNum() - NUM);
                publicShowOrFalseReduce(assetSuperimposition, asset);
                relatedUserAdjustNum(toUserId, asset.getPrefixName(), asset);
                break;
            case GIFTING:
                log.info("调整{}数量 -> 赠送", asset.getId());
                assetSuperimposition.setNum(assetSuperimposition.getNum() - NUM);
                publicShowOrFalseReduce(assetSuperimposition, asset);
                relatedUserAdjustNum(toUserId, asset.getPrefixName(), asset);
                break;
            case BUY:
                log.info("调整{}数量 -> 购买", asset.getId());
                assetSuperimposition.setNum(assetSuperimposition.getNum() + NUM);
                assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() + NUM);
                break;
            case DESTORY:
                log.info("调整{}数量 -> 销毁", asset.getId());
                assetSuperimposition.setNum(assetSuperimposition.getNum() - NUM);
                assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() - NUM);
                break;
        }
        setAssetStatus(assetSuperimposition);
        assetSuperimpositionRepo.save(assetSuperimposition);
    }

    /**
     * 当该分类下的资产数量为1的时候，添加相关状态
     *
     * @param assetSuperimposition
     */
    private void setAssetStatus(AssetSuperimposition assetSuperimposition) {
        if (assetSuperimposition.getNum() != 1) {
            return;
        }
        if (assetSuperimposition.getAuctioningNum() == 1) {
            assetSuperimposition.setAssetStatus(AssetShowStatus.AUCTIONING);
            return;
        }
        if (assetSuperimposition.getConsignmentNum() == 1) {
            assetSuperimposition.setAssetStatus(AssetShowStatus.CONSIGNMENT);
            return;
        }
        if (assetSuperimposition.getOpenShowNum() == 1) {
            assetSuperimposition.setAssetStatus(AssetShowStatus.OPEN_SHOW);
        }
    }

    /**
     * 根据藏品是否展示判断仅展示或未展示对应数量减去一
     *
     * @param assetSuperimposition 资产叠加数量信息
     * @param asset                资产信息
     * @return 资产叠加数量信息
     */
    private void publicShowOrFalseReduce(AssetSuperimposition assetSuperimposition, Asset asset) {
        if (asset.isPublicShow()) {
            assetSuperimposition.setOpenShowNum(assetSuperimposition.getOpenShowNum() - NUM);
            return;
        }
        assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() - NUM);
    }

    /**
     * 根据藏品是否展示判断仅展示或未展示对应数量加一
     *
     * @param assetSuperimposition 资产叠加数量信息
     * @param asset                资产信息
     * @return 资产叠加数量信息
     */
    private void publicShowOrFalseAdd(AssetSuperimposition assetSuperimposition, Asset asset) {
        if (asset.isPublicShow()) {
            assetSuperimposition.setOpenShowNum(assetSuperimposition.getOpenShowNum() + NUM);
            return;
        }
        assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() + NUM);
    }

    /**
     * 相关用户藏品叠加数量（买入人，被转增人等）
     *
     * @param toUserId   相关用户id
     * @param prefixName 叠加分类
     * @param asset      资产信息
     */
    private void relatedUserAdjustNum(Long toUserId, String prefixName, Asset asset) {
        AssetSuperimposition assetSuperimposition;
        if (Objects.isNull(toUserId)) {
            throw new BusinessException("涉及相关用户id为空");
        }
        if (asset.getType().equals(CollectionType.BLIND_BOX) && !asset.isOpened()) {
            AssetSuperimposition blindBoxAsset = assetSuperimpositionRepo.findByBlindBoxAssetId(asset.getId()).orElseThrow(new BusinessException("盲盒信息为空"));
            blindBoxAsset.setUserId(toUserId);
            blindBoxAsset.setCloseShowNum(NUM);
            blindBoxAsset.setNum(NUM);
            blindBoxAsset.setAuctioningNum(0);
            blindBoxAsset.setConsignmentNum(0);
            blindBoxAsset.setOpenShowNum(0);
            assetSuperimpositionRepo.save(blindBoxAsset);
            return;
        }
        assetSuperimposition = assetSuperimpositionRepo.findByUserIdAndPrefixName(toUserId, prefixName).orElse(null);
        if (Objects.isNull(assetSuperimposition)) {
            assetSuperimposition = new AssetSuperimposition(asset, toUserId);
        }
        assetSuperimposition.setNum(assetSuperimposition.getNum() + NUM);
        assetSuperimposition.setCloseShowNum(assetSuperimposition.getCloseShowNum() + NUM);
        assetSuperimpositionRepo.save(assetSuperimposition);
    }
}