AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: >-
  Amazon API Gateway.
Parameters:
  GreetingApiEndpoint:
    Type: AWS::SSM::Parameter::Value<String>
    Default: GreetingApiEndpoint
    Description: Greeting Service API Gateway Endpoint
  NameApiEndpoint:
    Type: AWS::SSM::Parameter::Value<String>
    Default: NameApiEndpoint
    Description: Name Service API Gateway Endpoint
Resources:
  WebAppFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: org.aws.samples.compute.webapp.WebappHandler::handleRequest
      Runtime: "java8"
      CodeUri: ../../../microservices-webapp/target/webapp.zip
      Description: >-
        Amazon API Gateway.
      MemorySize: 1024
      Timeout: 20
      Tracing: Active
      Environment:
        Variables:
          GREETING_SERVICE_HOST: !Ref GreetingApiEndpoint
          GREETING_SERVICE_PORT: "443"
          GREETING_SERVICE_PATH: "/prod/resources/greeting"
          GREETING_SERVICE_SCHEME: "https"
          NAME_SERVICE_HOST: !Ref NameApiEndpoint
          NAME_SERVICE_PORT: "443"
          NAME_SERVICE_PATH: "/prod/resources/names"
          NAME_SERVICE_SCHEME: "https"
      Events:
        WebAppRoot:
          Type: Api
          Properties:
            Path: "/"
            Method: GET
            RestApiId: !Ref WebAppApi
        WebAppName:
          Type: Api
          Properties:
            Path: "/{id}"
            Method: GET
            RestApiId: !Ref WebAppApi
  WebAppApi:
    Type: AWS::Serverless::Api
    Properties:
#      EndpointConfiguration: REGIONAL
      StageName: prod
      DefinitionBody:
        swagger: "2.0"
        info:
          title: "Webapp API"
        paths:
          "/{id}":
            get:
              produces:
                - text/plain
              parameters:
                - name: id
                  in: path
                  required: false
                  type: number
              responses: {}
              x-amazon-apigateway-integration:
                httpMethod: POST
                type: aws_proxy
                uri: !Sub "arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${WebAppFunction.Arn}/invocations"
Outputs:
  webappApiEndpoint:
    Description: WebApp URL for application
    Value: !Sub "https://${WebAppApi}.execute-api.${AWS::Region}.amazonaws.com/prod/"