package com.oying.modules.pc.product.service.impl;

import cn.hutool.core.collection.CollectionUtil;
import com.oying.modules.pc.product.converter.ProductImageAssembler;
import com.oying.modules.pc.product.converter.ProductLabelAssembler;
import com.oying.modules.pc.product.domain.Product;
import com.oying.modules.pc.product.domain.ProductImage;
import com.oying.modules.pc.product.domain.ProductLabel;
import com.oying.modules.pc.product.domain.dto.ProductCreateRequest;
import com.oying.modules.pc.product.domain.dto.ProductImageCreateRequest;
import com.oying.modules.pc.product.domain.dto.ProductMerchantCreateRequest;
import com.oying.modules.pc.product.domain.enums.ProductCreationType;
import com.oying.modules.pc.product.domain.enums.ProductStatusEnum;
import com.oying.modules.pc.product.service.ProductCreationStrategy;
import com.oying.modules.pc.product.service.ProductImageService;
import com.oying.modules.pc.product.service.ProductLabelService;
import com.oying.modules.pc.product.service.ProductService;
import com.oying.modules.pc.utils.ImageUtils;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Component
@RequiredArgsConstructor
public class ProductDirectCreator implements ProductCreationStrategy {

    private final ProductService productService;
    private final ProductImageService productImageService;
    private final ProductLabelService productLabelService;

    @Override
    public ProductCreationType getType() {
        return ProductCreationType.DIRECT;
    }

    @Override
    public void create(ProductCreateRequest resource) {
        ProductMerchantCreateRequest request = (ProductMerchantCreateRequest) resource;
        Product product = new Product();
        BeanUtils.copyProperties(request, product);
        request.getImages().stream().findFirst().map(ProductImageCreateRequest::getUploadFileId)
                .ifPresent(id -> {
                    product.setMainImageId(id.toString());
                    product.setMainImageUrl(ImageUtils.getPublicObjectUrl(id));
                });
        product.setStatus(ProductStatusEnum.DRAFT.getValue());
        productService.create(product);

        List<ProductImage> productImages = request.getImages().stream().map(i -> {
            i.setProductId(product.getProductId());
            return ProductImageAssembler.to(i);
        }).collect(Collectors.toList());
        if (CollectionUtil.isNotEmpty(productImages)) {
            productImageService.saveBatch(productImages);
        }

        List<ProductLabel> productLabels = request.getLabels().stream().map(i -> {
            i.setProductId(product.getProductId());
            return ProductLabelAssembler.to(i);
        }).collect(Collectors.toList());
        if (CollectionUtil.isNotEmpty(productLabels)) {
            productLabelService.saveBatch(productLabels);
        }
    }

    @Override
    public boolean supports(ProductCreationType type) {
        return ProductCreationType.DIRECT.equals(type);
    }
}