package com.izouma.nineth.service;

import com.izouma.nineth.domain.Asset;
import com.izouma.nineth.domain.AssetPost;
import com.izouma.nineth.domain.UserAddress;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.enums.AssetStatus;
import com.izouma.nineth.enums.PostStatus;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.repo.AssetPostRepo;
import com.izouma.nineth.repo.AssetRepo;
import com.izouma.nineth.repo.UserAddressRepo;
import com.izouma.nineth.utils.JpaUtils;
import lombok.AllArgsConstructor;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Optional;

@Service
@AllArgsConstructor
public class AssetPostService {

    private AssetPostRepo   assetPostRepo;
    private AssetRepo       assetRepo;
    private UserAddressRepo userAddressRepo;

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

    /*
    衍生品上链
    衍生品有盲盒类型
    衍生品邮寄不支付快递费
    衍生品暂不可以取消邮寄
    */
    public AssetPost assetPost(Long userId, Long assetId, Long addressId) {
        Asset asset = assetRepo.findById(assetId).orElseThrow(new BusinessException("无此衍生品"));
        if (!userId.equals(asset.getUserId())) {
            throw new BusinessException("此衍生品不属于你");
        }
        if (asset.isPublicShow()) {
            if (asset.isConsignment()) {
                throw new BusinessException("请先取消寄售");
            }
            throw new BusinessException("请先取消公开展示");
        }
        if (AssetStatus.POSTED.equals(asset.getStatus()) || AssetStatus.POSTING.equals(asset.getStatus())) {
            throw new BusinessException("已邮寄，无需再邮寄");
        }
        if (!AssetStatus.NORMAL.equals(asset.getStatus())) {
            throw new BusinessException("当前状态不可邮寄");
        }
        AssetPost assetPost = assetPostRepo.findFirstByAssetIdAndDelFalseOrderByIdDesc(assetId);
        if (ObjectUtils.isNotEmpty(assetPost) && !PostStatus.CANCELLED.equals(assetPost.getStatus())) {
            throw new BusinessException("已邮寄，无需再邮寄");
        }

        UserAddress userAddress = userAddressRepo.findById(addressId).orElseThrow(new BusinessException("地址信息不存在"));

        AssetPost build = AssetPost.builder()
                .assetId(assetId)
                .name(asset.getName())
                .number(asset.getNumber())
                .pic(asset.getPic())
                .userId(userId)
                .contactName(userAddress.getName())
                .contactPhone(userAddress.getPhone())
                .address(userAddress.getProvinceName() + " " + userAddress.getCityName() + " " +
                        userAddress.getDistrictName() + " " + userAddress.getAddress())
                .status(PostStatus.DELIVERY)
                .build();


        asset.setStatus(AssetStatus.POSTING);
        assetRepo.save(asset);
        return assetPostRepo.save(build);
    }

    public void updateStatus(Long id, PostStatus status) {
        AssetPost assetPost = assetPostRepo.findById(id).orElseThrow(new BusinessException("无邮寄信息"));
        assetPost.setStatus(status);
        assetPostRepo.save(assetPost);
    }

    public void receiveAsset(Long id, String courier, String courierId) {
        AssetPost assetPost = assetPostRepo.findById(id).orElseThrow(new BusinessException("无邮寄信息"));
        assetPost.setStatus(PostStatus.RECEIVE);
        assetPost.setCourier(courier);
        assetPost.setCourierId(courierId);
        Asset asset = assetRepo.findById(assetPost.getAssetId()).orElseThrow(new BusinessException("无衍生品"));
        asset.setStatus(AssetStatus.POSTED);
        assetRepo.save(asset);
        assetPostRepo.save(assetPost);
    }

    public AssetPost cancelPost(Long id) {
        AssetPost assetPost = assetPostRepo.findById(id).orElseThrow(new BusinessException("无邮寄信息"));
        if (PostStatus.CANCELLED.equals(assetPost.getStatus())) {
            return assetPost;
        }
        if (!PostStatus.DELIVERY.equals(assetPost.getStatus())) {
            throw new BusinessException("已邮寄无法取消");
        }

        Asset asset = assetRepo.findById(assetPost.getAssetId()).orElseThrow(new BusinessException("无衍生品"));
        if (AssetStatus.POSTING.equals(asset.getStatus())) {
            throw new BusinessException("当前状态无法取消");
        }
        assetPost.setStatus(PostStatus.CANCELLED);
        asset.setStatus(AssetStatus.NORMAL);
        assetRepo.save(asset);
        return assetPostRepo.save(assetPost);
    }

}