import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
import { CircuitBreakerService } from './circuitBreakerService';

@Injectable()
export class CircuitBreakerGuard implements CanActivate {
  constructor(private readonly circuitBreakerService: CircuitBreakerService) {}

  canActivate(context: ExecutionContext): boolean {
    const request = context.switchToHttp().getRequest();
    const serviceName = `${request.method}:${request.route?.path || 'unknown'}`;
    
    return this.circuitBreakerService.isOpen(serviceName);
  }
}