AWSTemplateFormatVersion: 2010-09-09
Parameters:
  SkillId:
    Type: String
  LambdaRuntime:
    Type: String
  LambdaHandler:
    Type: String
  CodeBucket:
    Type: String
  CodeKey:
    Type: String
  CodeVersion:
    Type: String
  PersistentAttributeTableName:
    Type: String
    Default: my-survey
Resources:
  AlexaSkillIAMRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - lambda.amazonaws.com
            Action:
              - sts:AssumeRole
      Path: /
      Policies:
        - PolicyName: alexaSkillExecutionPolicy
          PolicyDocument:
            Version: 2012-10-17
            Statement:
              - Effect: Allow
                Action:
                  - logs:*
                Resource: arn:aws:logs:*:*:*
              - Effect: Allow
                Action:
                  - dynamodb:*
                Resource: !GetAtt AlexaPersistentAttributesTable.Arn
  AlexaSkillFunction:
    Type: AWS::Lambda::Function
    Properties:
      Code:
        S3Bucket: !Ref CodeBucket
        S3Key: !Ref CodeKey
        S3ObjectVersion: !Ref CodeVersion
      Handler: !Ref LambdaHandler
      Runtime: !Ref LambdaRuntime
      Role: !GetAtt AlexaSkillIAMRole.Arn
      MemorySize: 512
      Timeout: 60
      Environment:
        Variables:
          DYNAMODB_TABLE_NAME: !Ref PersistentAttributeTableName
  AlexaSkillFunctionEventPermission:
    Type: AWS::Lambda::Permission
    Properties:
      Action: lambda:invokeFunction
      FunctionName: !GetAtt AlexaSkillFunction.Arn
      Principal: alexa-appkit.amazon.com
      EventSourceToken: !Ref SkillId
  AlexaPersistentAttributesTable:
    Type: AWS::DynamoDB::Table
    Properties:
      TableName: !Ref PersistentAttributeTableName
      BillingMode: PROVISIONED
      AttributeDefinitions:
        - AttributeName: "id"
          AttributeType: "S"
      KeySchema:
        - AttributeName: "id"
          KeyType: "HASH"
      ProvisionedThroughput:
        ReadCapacityUnits: 5
        WriteCapacityUnits: 5
Outputs:
  SkillEndpoint:
    Description: LambdaARN for the regional endpoint
    Value: !GetAtt AlexaSkillFunction.Arn