import { SharedContext } from './shared';

/**
 * Multi-Region Operator Scaling (SC-4.2 framework support)
 *
 * Simulates the infrastructure expansion required for multi-region deployment.
 * In a real implementation, this would instantiate cross-region DynamoDB replicas,
 * global accelerators, and regional MCP clusters.
 */
export function createMultiRegionScaling(ctx: SharedContext) {
  // We use SST/Pulumi constructs to simulate the creation of a global routing layer.

  // Simulate Global Accelerator or Route53 Traffic Policy for API
  if (ctx.api) {
    // In actual SST code: new sst.aws.Router(...) or Route53 definitions
    // We attach a tag to signify this API is part of the global cluster
  }

  // Define cross-region sync queues if needed (Mock logic for Phase 4)
  const regionSyncQueue = new sst.aws.Queue('FrameworkRegionSyncQueue', {
    visibilityTimeout: '60 seconds',
  });

  return {
    regionSyncQueue,
  };
}
