AWSTemplateFormatVersion: '2010-09-09'

Description: "AWS API Gateway working as a Service Virtualization (qs-1sq3s942d)"

Resources:

  RestApi:
    Type: AWS::ApiGateway::RestApi
    Properties:
      ApiKeySourceType: HEADER
      Description: An API Gateway as Service Virtualization
      EndpointConfiguration:
        Types:
          - EDGE
      Name: mock-api

  Resource:
    Type: AWS::ApiGateway::Resource
    Properties:
      ParentId: !GetAtt RestApi.RootResourceId
      PathPart: 'mock'
      RestApiId: !Ref RestApi
  
  GetMethod:
    Type: AWS::ApiGateway::Method
    Properties:
      ApiKeyRequired: false
      AuthorizationType: NONE
      HttpMethod: GET
      RequestParameters:
        method.request.querystring.method: true
      MethodResponses:
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 200
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 201
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 500
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 503
      Integration:
        ConnectionType: INTERNET
        IntegrationResponses:
          - ResponseTemplates:
              application/json: |
                {
                  "statusCode": 200,
                  "message": "OK. No problem here."
                }
            StatusCode: 200
          - ResponseTemplates:
              application/json: |
                {
                  "statusCode": 201,
                  "message": "Created. It appears to be good."
                }
            SelectionPattern: '201'
            StatusCode: 201
          - ResponseTemplates:
              application/json: |
                {
                  "statusCode": 500,
                  "message": "Internal Server Error. Houston, we have a problem."
                }
            SelectionPattern: '500'
            StatusCode: 500
          - ResponseTemplates:
              application/json: |
                {
                  "statusCode": 503,
                  "message": "Service Unavailable. I am not ready yet."
                }
            SelectionPattern: '503'
            StatusCode: 503
        PassthroughBehavior: WHEN_NO_TEMPLATES
        RequestTemplates:
          application/json: |
            {
              #if ( $input.params('method') == "ok" )
                "statusCode": 200
              #elseif ( $input.params('method') == "created" )
                "statusCode": 201
              #elseif ( $input.params('method') == "internalerror" )
                "statusCode": 500
              #else
                "statusCode": 503
              #end
            }
        Type: MOCK
        TimeoutInMillis: 29000
      OperationName: 'mock'
      ResourceId: !Ref Resource
      RestApiId: !Ref RestApi
  
  PostMethod:
    Type: AWS::ApiGateway::Method
    Properties:
      ApiKeyRequired: false
      AuthorizationType: NONE
      HttpMethod: POST
      MethodResponses:
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 200
        - ResponseModels:
            application/json: !Ref ApiGatewayModel
          StatusCode: 500
      Integration:
        ConnectionType: INTERNET
        IntegrationResponses:
          - ResponseTemplates:
              application/json: "{\"message\": \"OK. No problem here.\"}"
            # SelectionPattern: '2\d{2}'
            StatusCode: 200
          - ResponseTemplates:
              application/json: "{\"message\": \"Internal Server Error. Houston, we have a problem.\"}"
            SelectionPattern: '5\d{2}'
            StatusCode: 500
        PassthroughBehavior: WHEN_NO_TEMPLATES
        RequestTemplates:
          application/json: |
            {
              "statusCode": $input.json('$.statusCode'),
              "message": $input.json('$.message')
            }
        Type: MOCK
        TimeoutInMillis: 29000
      OperationName: 'mock'
      ResourceId: !Ref Resource
      RestApiId: !Ref RestApi

  ApiGatewayModel:
    Type: AWS::ApiGateway::Model
    Properties:
      ContentType: 'application/json'
      RestApiId: !Ref RestApi
      Schema: {}

  ApiGatewayStage:
    Type: AWS::ApiGateway::Stage
    Properties:
      DeploymentId: !Ref ApiGatewayDeployment
      Description: Mock API Stage v0
      RestApiId: !Ref RestApi
      StageName: 'v0'

  ApiGatewayDeployment:
    Type: AWS::ApiGateway::Deployment
    DependsOn: 
      - GetMethod
      - PostMethod
    Properties:
      Description: Mock API Deployment
      RestApiId: !Ref RestApi