import { logger } from '../../utils/logger';
import { IPlatformConnector, PlatformProduct, PublishResult } from './IPlatformConnector';

/**
 * [CORE_INT_07] Amazon 平台连接器实现
 * @description 模拟对接 Amazon SP-API (Selling Partner API)
 */
export class AmazonConnector implements IPlatformConnector {
  platformCode = 'AMAZON';
  capabilities = {
    hasApi: true,
    supportsPriceSync: true,
    supportsInventorySync: true,
    supportsOrderPull: true
  };

  async authorize(shopId: string): Promise<boolean> {
    logger.info(`[AmazonConnector] Authorizing shop: ${shopId}`);
    // 模拟 OAuth 2.0 流程与 LWA Token 校验
    return true;
  }

  async pullProducts(shopId: string, params?: any): Promise<PlatformProduct[]> {
    logger.info(`[AmazonConnector] Pulling products for shop: ${shopId}`);
    // 模拟 GET /products/v0/listings 调用
    return [
      {
        externalId: 'ASIN_B08XYZ123',
        title: 'Premium Wireless Earbuds',
        description: 'Noise cancelling, 40h battery life.',
        price: 89.99,
        currency: 'USD',
        images: ['https://m.media-amazon.com/images/I/earbuds.jpg'],
        skus: [{ skuId: 'EARBUDS-BLK', price: 89.99, stock: 100 }]
      }
    ];
  }

  async pushListing(shopId: string, product: PlatformProduct): Promise<PublishResult> {
    logger.info(`[AmazonConnector] Pushing listing to Amazon: ${product.title}`);
    // 模拟 POST /listings/2021-08-01/content 调用
    return {
      success: true,
      externalId: `ASIN_${Math.random().toString(36).substr(2, 9).toUpperCase()}`,
      publishUrl: `https://www.amazon.com/dp/B08XYZ123`
    };
  }

  async updatePrice(shopId: string, externalId: string, newPrice: number): Promise<boolean> {
    logger.info(`[AmazonConnector] Updating price for ${externalId} to ${newPrice}`);
    // 模拟 PATCH /listings/2021-08-01/content (Price Feed)
    return true;
  }

  async syncInventory(shopId: string, externalId: string, quantity: number): Promise<boolean> {
    logger.info(`[AmazonConnector] Syncing inventory for ${externalId}: ${quantity}`);
    // 模拟 PUT /listings/2021-08-01/content (Inventory Feed)
    return true;
  }

  async calculateShipping(shopId: string, params: { countryCode: string; weight: number }): Promise<any> {
    // 模拟 Amazon FBA 运费估算
    return {
      carrier: 'Amazon Logistics',
      cost: 4.99,
      currency: 'USD',
      estimatedDays: 2
    };
  }
}
