AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  recursion-sample

  Sample SAM Template for recursion-sample

Globals:
  Function:
    Timeout: 20
    MemorySize: 128
    Tracing: Active
  Api:
    TracingEnabled: True

Resources:
  SqsSourceQueue:
    Type: AWS::SQS::Queue
    Properties: 
      RedrivePolicy: 
        deadLetterTargetArn: 
          Fn::GetAtt: 
            - "SqsDLQ"
            - "Arn"
        maxReceiveCount: 5
  SqsTargetQueue:
    Type: AWS::SQS::Queue
  SqsDLQ:
    Type: AWS::SQS::Queue

  LambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: SendMessageFunction
      Handler: com.example.App::handleRequest
      Runtime: java17
      Architectures:
        - x86_64
      MemorySize: 1024
      Environment:
        Variables:
          SOURCE_SQS_NAME: !Ref SqsSourceQueue          
          TARGET_SQS_NAME: !Ref SqsSourceQueue ### Configuration ERROR to demonstrate recursion
      Policies:
        - SQSSendMessagePolicy:
            QueueName: !GetAtt SqsSourceQueue.QueueName
        - SQSSendMessagePolicy:
            QueueName: !GetAtt SqsTargetQueue.QueueName
      Events:
        MySQSEvent:
          Type: SQS
          Properties:
            Queue: !GetAtt SqsSourceQueue.Arn
            BatchSize: 1

Outputs:
  LambdaFunction:
    Description: "Lambda Function ARN"
    Value: !GetAtt LambdaFunction.Arn
  SourceSQSqueueName:
    Description: Source SQS queue
    Value: !GetAtt SqsSourceQueue.QueueName
  SourceSQSqueueURL:
    Description: Source SQS queue URL
    Value: !Ref SqsSourceQueue
  TargetSQSqueueName:
    Description: Target SQS queue
    Value: !GetAtt SqsTargetQueue.QueueName
  TargetSQSqueueURL:
    Description: Target SQS queue URL
    Value: !Ref SqsTargetQueue