AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: SXR API Stack for failover region.

Resources:

  TicketServiceAPI:
    Type: AWS::Serverless::Api
    Properties:
      StageName: prod
      DefinitionBody:
        swagger: 2.0
        info:
          title:
            Ref: AWS::StackName
        paths:
          "/ticket":
            get:
              responses: {}
              x-amazon-apigateway-integration:
                uri:
                  Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${TicketGetFunction.Arn}/invocations
                passthroughBehavior: "when_no_match"
                httpMethod: "POST"
                type: "aws_proxy"
            post:
              responses: {}
              x-amazon-apigateway-integration:
                uri:
                  Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${TicketPostFunction.Arn}/invocations
                passthroughBehavior: "when_no_match"
                httpMethod: "POST"
                type: "aws_proxy"
            options:
              consumes:
              - "application/json"
              produces:
              - "application/json"
              responses:
                '200':
                  description: "200 response"
                  headers:
                    Access-Control-Allow-Origin:
                      type: "string"
                    Access-Control-Allow-Methods:
                      type: "string"
                    Access-Control-Allow-Headers:
                      type: "string"
              x-amazon-apigateway-integration:
                responses:
                  default:
                    statusCode: "200"
                    responseParameters:
                      method.response.header.Access-Control-Allow-Methods: "'POST,GET,OPTIONS'"
                      method.response.header.Access-Control-Allow-Headers: "'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token'"
                      method.response.header.Access-Control-Allow-Origin: "'*'"
                requestTemplates:
                  application/json: "{\"statusCode\": 200}"
                passthroughBehavior: "when_no_match"
                type: "mock"
          "/health":
            get:
              responses: {}
              x-amazon-apigateway-integration:
                uri:
                  Fn::Sub: arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${HealthFunction.Arn}/invocations
                passthroughBehavior: "when_no_match"
                httpMethod: "POST"
                type: "aws_proxy"
            options:
              consumes:
              - "application/json"
              produces:
              - "application/json"
              responses:
                '200':
                  description: "200 response"
                  headers:
                    Access-Control-Allow-Origin:
                      type: "string"
                    Access-Control-Allow-Methods:
                      type: "string"
                    Access-Control-Allow-Headers:
                      type: "string"
              x-amazon-apigateway-integration:
                responses:
                  default:
                    statusCode: "200"
                    responseParameters:
                      method.response.header.Access-Control-Allow-Methods: "'POST,GET,OPTIONS'"
                      method.response.header.Access-Control-Allow-Headers: "'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token'"
                      method.response.header.Access-Control-Allow-Origin: "'*'"
                requestTemplates:
                  application/json: "{\"statusCode\": 200}"
                passthroughBehavior: "when_no_match"
                type: "mock"
        swagger: '2.0'

  TicketGetFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: tickets-get.handler
      Runtime: nodejs10.x
      FunctionName: TicketGetFunction
      Policies:
        - AWSLambdaDynamoDBExecutionRole #managed policy
        - Version: '2012-10-17' # Policy Document
          Statement:
            - Effect: Allow
              Action:
                - dynamodb:Scan
                - dynamodb:GetItem
              Resource: !GetAtt DynamoDBTicketTable.Arn
      Environment:
        Variables:
          TABLE_NAME: !Ref DynamoDBTicketTable
      Events:
        GetResource:
          Type: Api
          Properties:
            Path: /ticket
            Method: get
            RestApiId: !Ref TicketServiceAPI

  TicketPostFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: tickets-post.handler
      Runtime: nodejs10.x
      FunctionName: TicketPostFunction
      Policies:
        - AWSLambdaDynamoDBExecutionRole #managed policy
        - Version: '2012-10-17' # Policy Document
          Statement:
            - Effect: Allow
              Action:
                - dynamodb:PutItem
              Resource: !GetAtt DynamoDBTicketTable.Arn
      Environment:
        Variables:
          TABLE_NAME: !Ref DynamoDBTicketTable
      Events:
        GetResource:
          Type: Api
          Properties:
            Path: /ticket
            Method: post
            RestApiId: !Ref TicketServiceAPI

  HealthFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: health-check.handler
      Runtime: nodejs10.x
      FunctionName: SXRHealthCheckFunction
      Policies:
        - AWSLambdaDynamoDBExecutionRole #managed policy
        - Version: '2012-10-17' # Policy Document
          Statement:
            - Effect: Allow
              Action:
                - dynamodb:Scan
                - dynamodb:GetItem
              Resource: !GetAtt DynamoDBTicketTable.Arn
      Environment:
        Variables:
          TABLE_NAME: !Ref DynamoDBTicketTable
      Events:
        GetResource:
          Type: Api
          Properties:
            Path: /health
            Method: get
            RestApiId: !Ref TicketServiceAPI

  DynamoDBTicketTable:
   Type: AWS::DynamoDB::Table
   Properties:
     TableName: SXRTickets
     AttributeDefinitions:
       - AttributeName: id
         AttributeType: S
     KeySchema:
       - AttributeName: id
         KeyType: HASH
     ProvisionedThroughput:
       ReadCapacityUnits: 5
       WriteCapacityUnits: 5

Outputs:
  ApiUrl:
    Description: URL of your API endpoint
    Value: !Join
      - ''
      - - https://
        - !Ref TicketServiceAPI
        - '.execute-api.'
        - !Ref 'AWS::Region'
        - '.amazonaws.com/prod/'