import * as apigatewayv2 from '@aws-cdk/aws-apigatewayv2';
import * as apigatewayv2_integration from '@aws-cdk/aws-apigatewayv2-integrations';
import * as acm from '@aws-cdk/aws-certificatemanager';
import * as cdk from '@aws-cdk/core';

const BUG_DOMAIN_NAME = 'yourdomain.com';
const BUG_WILDCARD_CERT_ARN = 'arn:aws:acm:ca-central-1:1111111111111111:certificate/x';

class BugStack extends cdk.Stack {
  constructor(scope: cdk.Construct, id: string, props: cdk.StackProps = {}) {
    super(scope, id, props);

    const api = new apigatewayv2.HttpApi(this, 'Api', {
      apiName: cdk.Stack.of(this).stackName,
      defaultIntegration: new apigatewayv2_integration.HttpProxyIntegration({
        url: 'https://www.example.com',
        method: apigatewayv2.HttpMethod.GET,
      }),
    });

    // Cloudformation races, so this increases odds that a mapping will beat the domain name
    for (let i = 0; i < 10; i++) {
      const domainName = new apigatewayv2.DomainName(this, `DomainName${i}`, {
        domainName: `bug${i}.${BUG_DOMAIN_NAME}`,
        certificate: acm.Certificate.fromCertificateArn(this, `Certificate${i}`, BUG_WILDCARD_CERT_ARN),
      });

      new apigatewayv2.ApiMapping(this, `ApiMapping${i}`, {
        api,
        domainName,
      });
    }
  }
}

const app = new cdk.App();
new BugStack(app, 'BugStack');

app.synth();