AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Globals:
  Function:
    Timeout: 15
Parameters:
  ServiceSubDomainName:
    Type: String
    Default: 'template-subdomain'
  RootUrl:
    Type: String
    Default: '{{resolve:ssm:/account/root-url:1}}'
  SslCert: 
    Type: String
    Default: '{{resolve:ssm:/account/ssl-cert:1}}'
  BucketName:
    Type: String
    Default: ''
  Environment:
    Type: String
    Default: production
  Namespace:
    Type: String
    Default: ''
Resources:
  APIDomainName:
    Type: 'AWS::ApiGateway::DomainName'
    Properties:
      SecurityPolicy: TLS_1_2
      RegionalCertificateArn:
        Ref: SslCert
      DomainName:
        Fn::Join: [ '', [ Ref: ServiceSubDomainName, Ref: Namespace, '.', Ref: RootUrl ] ]
      EndpointConfiguration:
        Types: ['REGIONAL']
  APIDomain:
    Type: 'AWS::Route53::RecordSetGroup'
    Properties:
      HostedZoneName:
        Fn::Join: [ '', [ Ref: RootUrl, '.' ] ]
      RecordSets:
        - Name:
            Ref: APIDomainName
          Type: A
          AliasTarget:
            DNSName:
              Fn::GetAtt: [APIDomainName, RegionalDomainName]
            HostedZoneId:
              Fn::GetAtt: [APIDomainName, RegionalHostedZoneId]
Outputs:
  APIDomainName:
    Description: 'API domain name'
    Value:
      Ref: APIDomainName