// ---------------------------------------------------------
// CONCEPTUAL PSEUDOCODE
// Illustrative only — not official AWS Blocks APIs.
// ---------------------------------------------------------

import {
  SystemFabric,
  ComputeBlock,
  DataStoreBlock,
  NetworkBoundary
} from "conceptual-blocks";

import { App, Stack } from "aws-cdk-lib";

// Enterprise deployment context
const enterpriseContext = {
  environment: "production",
  compliance: "PCI-DSS",
  network: "shared-services-vpc"
};

// Initialize composition fabric
const fabric = new SystemFabric({
  namespace: "BillingProcessor",
  context: enterpriseContext
});

// Secure network boundary
const secureNetwork = new NetworkBoundary({
  isolationMode: "private-isolated"
});

// Secure database capability
const transactionalDb = new DataStoreBlock({
  engine: "postgresql",
  encrypted: true,
  boundary: secureNetwork
});

// Compute capability
const billingService = new ComputeBlock({
  runtime: "container-fargate",
  cpu: 1024,
  memoryLimitMiB: 2048,
  boundary: secureNetwork
});

// Strongly typed relationship
billingService.connectTo({
  target: transactionalDb,
  allowedPorts: [5432],
  authentication: "iam"
});

// Generate deployment blueprint
const app = new App();
const stack = new Stack(app, "EnterpriseBillingStack");

fabric.synthesize(stack);
app.synth();

{
  "conceptualPolicy": {
    "rule": "ProductionDatabaseIsolation",
    "assertions": [
      {
        "statement": "Database.Encryption == Enabled",
        "action": "Reject"
      },
      {
        "statement": "Database.PublicAccess == False",
        "action": "Reject"
      },
      {
        "statement": "Compute.Network == Private",
        "action": "Reject"
      },
      {
        "statement": "Authentication == IAM",
        "action": "Require"
      }
    ]
  }
}