AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  Quorum-with-parallel-workflow-pattern

  Sample SAM template for Quorum-with-parallel-workflow-pattern

# Comment each resource section to explain usage
Resources:

  LambdaFunctionRole:
      Type: 'AWS::IAM::Role'
      Properties:
        AssumeRolePolicyDocument:
          Version: '2012-10-17'
          Statement:
            - Action:
                - 'sts:AssumeRole'
              Effect: Allow
              Principal:
                Service:
                  - lambda.amazonaws.com
        ManagedPolicyArns:
          - 'arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole'

  #Lambda Function
  MockProcessLambdaFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      CodeUri: src/
      Description: "Function that takes a random amount of time to complete or fail"
      FunctionName: "QuorumPatternMockProcessFuntion"
      Handler: function.handler
      PackageType: "Zip"
      Runtime: "python3.10"
      Role: !GetAtt LambdaFunctionRole.Arn

  # Explicitly create function log group to set retention and delete during cleanup.
  FunctionLogGroup:
    Type: 'AWS::Logs::LogGroup'
    Properties:
      LogGroupName: !Sub "/aws/lambda/MockProcessLambdaFunction"
      RetentionInDays: 1


# STATE MACHINE #
  QuorumWithParallelStateMachine:
    Type: AWS::Serverless::StateMachine # More info about State Machine Resource: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-resource-statemachine.html
    Properties:
      Name: QuorumWithParallelWorkflowPattern
      DefinitionUri: statemachine/statemachine.asl.json
      DefinitionSubstitutions:
        DDBTable: !Ref DDBTable
        LambdaFunctionName: !Ref MockProcessLambdaFunction
      Policies: # Find out more about SAM policy templates: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-policy-templates.html
        - DynamoDBWritePolicy:
            TableName: !Ref DDBTable
        - DynamoDBReadPolicy:
            TableName: !Ref DDBTable
        - LambdaInvokePolicy:
            FunctionName: !Ref MockProcessLambdaFunction

# DYNAMODB TABLE #
# This is used to store the number of flows completed
  DDBTable:
    Type: AWS::Serverless::SimpleTable # More info about SimpleTable Resource: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-resource-simpletable.html
    Properties:
      TableName: QuorumWorkflowTable
      PrimaryKey:
        Name: id
        Type: String