AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Serverless patterns - Lambda to SNS
Parameters:
  phoneNumber:
    Type: String
    Description: "Recipient phone nmuber"
  tenDLC:
    Type: String
    Description: "10DLC origination number"

Resources:
  # Define the publisher Lambda function with permissions
  SMSPublisherFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: src/
      Handler: app.handler
      Runtime: nodejs12.x
      Timeout: 3
      MemorySize: 128
      Environment:
        Variables:
          phoneNumber: !Ref phoneNumber
          tenDLC: !Ref tenDLC
      Policies:
        ## Read more about SAM Policy templates at:
        ## https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-policy-templates.html
        ## policy allowing only to publish to SMS and denying publishing to topics and applications (push notifications)
        - Statement:
          - Effect: Deny
            Action:
            - sns:Publish
            Resource: arn:aws:sns:*:*:*
          - Effect: Allow
            Action:
            - sns:Publish
            Resource: "*"

            
Outputs:
  SMSPublisherFunction:
    Description: SMSPublisherFunction function name
    Value: !Ref SMSPublisherFunction