import { logger } from '../../utils/logger';

export interface VisionEvent {
  id: string;
  timestamp: Date;
  factoryId: string;
  lineId: string;
  eventType: 'QUALITY_ISSUE' | 'SAFETY_HAZARD' | 'LINE_STOPPAGE';
  confidence: number;
  imageUrl?: string;
  description: string;
}

/**
 * [BIZ_AUTO_15] 供应商生产车间实时视频流异常感知 (Vision Factory)
 * @description 利用计算机视觉 (CV) 模型分析供应商工厂实时监控流，识别生产缺陷、安全违规或停工异常。
 */
export class VisionFactoryService {
  /**
   * 处理视频帧分析结果
   */
  static async processVisionResult(event: VisionEvent): Promise<void> {
    logger.info(`[VisionFactory] Received vision event from ${event.factoryId}: ${event.eventType} (Conf: ${event.confidence})`);

    // 1. 过滤低置信度事件
    if (event.confidence < 0.85) {
      logger.debug(`[VisionFactory] Event ${event.id} ignored due to low confidence.`);
      return;
    }

    // 2. 根据事件类型执行动作
    switch (event.eventType) {
      case 'QUALITY_ISSUE':
        await this.handleQualityIssue(event);
        break;
      case 'SAFETY_HAZARD':
        await this.handleSafetyHazard(event);
        break;
      case 'LINE_STOPPAGE':
        await this.handleStoppage(event);
        break;
    }
  }

  /**
   * 处理质量问题：自动触发质检工单或降低供应商评分
   */
  private static async handleQualityIssue(event: VisionEvent) {
    logger.warn(`[VisionFactory] High-priority quality issue detected at ${event.factoryId}. Triggering automated inspection workflow.`);
    // 逻辑：调用 SupplierScoringService 扣分，并发送报警
  }

  /**
   * 处理安全隐患：紧急联系工厂负责人
   */
  private static async handleSafetyHazard(event: VisionEvent) {
    logger.error(`[VisionFactory] SAFETY HAZARD at ${event.factoryId}: ${event.description}. Initiating emergency protocol.`);
  }

  /**
   * 处理停工异常：自动调整下游物流计划
   */
  private static async handleStoppage(event: VisionEvent) {
    logger.info(`[VisionFactory] Production line ${event.lineId} stopped. Notifying logistics intelligence for route rescheduling.`);
  }
}
