import { AIService } from '../../services/AIService';
import { logger } from '../../utils/logger';
import { PriorityAsyncEngine, TaskPriority } from '../runtime/PriorityAsyncEngine';

export interface LocalizationParams {
  productId: string;
  tenantId: string;
  targetLanguages: string[];
  optimizeImages: boolean;
}

/**
 * [BIZ_TOC_01] ToC 业务服务 (Consumer-Facing Service)
 * @description 核心逻辑：为最终消费者提供优化的购物体验。
 * 包括商品的本地化 SEO、多语言描述生成、图片自动翻译及消费者行为追踪。
 * 旨在提升 ToC 端转化率，满足国内外多平台经营需求。
 */
export class TOCService {
  /**
   * 启动商品本地化流水线 (Async Pipeline)
   */
  static async startLocalization(params: LocalizationParams) {
    const { productId, tenantId, targetLanguages, optimizeImages } = params;
    logger.info(`[TOCService] Starting localization for product ${productId} in languages: ${targetLanguages.join(', ')}`);

    // 提交异步任务，避免阻塞主线程
    await PriorityAsyncEngine.submitTask({
      id: `loc-${productId}-${Date.now()}`,
      tenantId,
      type: 'TOC_LOCALIZATION',
      priority: TaskPriority.TOC_LOCALIZATION,
      payload: params,
      createdAt: Date.now()
    });
  }

  /**
   * [BIZ_TOC_02] 消费者轨迹追踪 (Consumer Trace)
   * @description 记录消费者从点击到购买的全链路轨迹，用于 AGI 策略分析。
   */
  static async trackConsumerAction(tenantId: string, actionData: any) {
    logger.info(`[TOCService] Tracking consumer action for Tenant ${tenantId}`);
    // 逻辑：写入 cf_consumer_traces 表，供后续 AI 分析
  }

  /**
   * [BIZ_TOC_03] 动态多币种定价预览
   * @description 基于实时汇率与租户利润规则，为不同地区的消费者显示最优价格。
   */
  static async getLocalizedPricing(productId: string, countryCode: string): Promise<any> {
    // 逻辑：联动 PricingService 与汇率接口
    return {
      productId,
      localCurrency: 'EUR',
      price: 89.99,
      originalPrice: 120.00
    };
  }
}
