import db from '../config/database';
import { AuditService } from './AuditService';
import { AIService } from './AIService';
import { SovereigntyIdentityService } from './SovereigntyIdentityService';

/**
 * [BIZ_MKT_16] 跨文化品牌主权传播策略 (Brand Sovereignty)
 * 负责在不同文化市场（如中东、拉美、东南亚）自动调整品牌传播调性，确保符合当地主权审美与伦理，并绑定品牌 DID 存证
 */
export class BrandSovereigntyService {
  /**
   * 生成跨文化品牌策略
   */
  static async generateCulturalStrategy(
    tenantId: string, 
    marketRegion: string, 
    traceId: string
  ): Promise<void> {
    // 1. 获取品牌 DID
    const identity = await SovereigntyIdentityService.getIdentity(tenantId);
    const brandDid = identity?.did || `did:crawlful:brand-${tenantId}`;

    // 2. AGI 分析文化适配度 (模拟)
    const culturalAnalysis = await AIService.analyzeCulturalAlignment(tenantId, marketRegion);
    
    await db.transaction(async (trx) => {
      // 3. 记录品牌策略
      const [id] = await trx('cf_brand_sovereignty').insert({
        tenant_id: tenantId,
        market_region: marketRegion,
        cultural_alignment_score: culturalAnalysis.score,
        strategy_config: JSON.stringify(culturalAnalysis.strategy),
        brand_identity_did: brandDid
      });

      // 4. 审计记录
      await AuditService.log({
        tenant_id: tenantId,
        action: 'BRAND_CULTURAL_STRATEGY_GENERATED',
        target_type: 'MARKETING_BRAND',
        target_id: marketRegion,
        trace_id: traceId,
        new_data: JSON.stringify({ score: culturalAnalysis.score, strategy: culturalAnalysis.strategy }),
        metadata: JSON.stringify({ brandDid })
      });
    });
  }

  /**
   * 获取租户所有区域品牌策略
   */
  static async getBrandStrategies(tenantId: string) {
    return await db('cf_brand_sovereignty')
      .where({ tenant_id: tenantId })
      .orderBy('cultural_alignment_score', 'desc');
  }
}
