# SAM template using intrinsic function on every property that supports it.
# Translator should handle it properly
Parameters:
  CodeBucket:
    Type: String
    Default: sam-demo-bucket
  FunctionName:
    Type: String
    Default: MySuperFunctionName
  TracingConfigParam:
    Type: String
    Default: PassThrough
  MyExplicitApiName:
    Type: String
    Default: SomeName
  CodeKey:
    Type: String
    Default: key
  RoleFieldName:
    Type: String
    Default: Role

Conditions:
  TrueCondition:
    Fn::Equals:
    - true
    - true

Resources:
  MyFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName:
        Fn::Sub: ${FunctionName}
      CodeUri:
        Bucket:
          Ref: CodeBucket
        Key:
          Fn::Sub: code.zip.${CodeKey}
        Version:
          Fn::Join: ['', [some, version]]

      Handler:
        Fn::Sub: ['${filename}.handler', filename: index]

      Runtime:
        Fn::Join: ['', [nodejs, '4.3']]

      Role:
        Fn::GetAtt: [MyNewRole, Arn]

      Tracing:
        Ref: TracingConfigParam

      Events:
        MyApi:
          Type: Api
          Properties:
            Path: /
            Method: GET
            RestApiId:
              Ref: MyExplicitApi

  MyExplicitApi:
    Type: AWS::Serverless::Api
    Properties:
      Name:
        Ref: MyExplicitApiName
      DefinitionUri: s3://sam-demo-bucket/swagger.yaml
      StageName: dev
      Variables:
        FunctionName:
          Fn::Sub: ${MyFunction}
        Var2:
          Fn::Join: ['join ', ['some value ', with some other value]]

  FunctionWithExplicitS3Uri:
    Type: AWS::Serverless::Function
    Properties:
      Handler: stream.ddb_handler
      Runtime: python2.7
      CodeUri:
        Bucket: mybucket
        Key: mykey
        Version: MyVersion

  ApiWithExplicitS3Uri:
    Type: AWS::Serverless::Api
    Condition: TrueCondition
    Properties:
      StageName: dev
      DefinitionUri:
        Bucket: mybucket
        Key: mykey
        Version: 3

  DynamoDBFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/streams.zip
      Handler: stream.ddb_handler
      Runtime: python2.7
      Events:
        MyDDBStream:
          Type: DynamoDB
          Properties:
            Stream:
              Fn::GetAtt: [MyTable, StreamArn]
            BatchSize: 200
            StartingPosition: LATEST
            FilterCriteria:
              Fn::Select:
              - '1'
              - - {}
                - {Filters: {Pattern: '{"value": "b"}'}}
  MyTable:
    Type: AWS::DynamoDB::Table
    Properties:
      AttributeDefinitions:
      - {AttributeName: id, AttributeType: S}

      KeySchema:
      - {AttributeName: id, KeyType: HASH}

      ProvisionedThroughput:
        ReadCapacityUnits: 5
        WriteCapacityUnits: 5

      StreamSpecification:
        StreamViewType: NEW_IMAGE

  MySqsDlqLambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python2.7
      CodeUri: s3://sam-demo-bucket/hello.zip
      DeadLetterQueue:
        Type: SQS
        TargetArn:
          Fn::GetAtt:
          - SqsDlqQueue
          - Arn

  SqsDlqQueue:
    Type: AWS::SQS::Queue

  MySnsDlqLambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: index.handler
      Runtime: python2.7
      CodeUri: s3://sam-demo-bucket/hello.zip
      DeadLetterQueue:
        Type: SNS
        TargetArn:
          Ref: SnsDlqQueue

  SnsDlqQueue:
    Type: AWS::SNS::Topic

  MyNewRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Statement:
        - Action: [sts:AssumeRole]
          Effect: Allow
          Principal:
            Service: [lambda.amazonaws.com]
        Version: '2012-10-17'
      Policies:
      - PolicyDocument:
          Statement:
          - Action: [cloudwatch:*, logs:*]
            Effect: Allow
            Resource: '*'
          Version: '2012-10-17'
        PolicyName: lambdaRole

  MyOtherFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python2.7

  FunctionWithValidGetAttAndRef:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python2.7
      Role:
        Fn::GetAtt:
        - MyOtherFunction
        - Fn::Ref: RoleFieldName