AWSTemplateFormatVersion: '2010-09-09'
Description: Amazon Pinpoint Whatsapp Channel.  This application will deliver Amazon Pinpoint triggered messages to Whatsapp using Twilio API.  Written in Python3.
Transform: AWS::Serverless-2016-10-31

Parameters:
  ACCOUNTSID:
    Type: String
    Description: ACCOUNT_SID for Twilio account
  AUTHTOKEN:
    Type: String
    Description: AUTH_TOKEN for Twilio account

# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 180

Metadata:
  AWS::ServerlessRepo::Application:
    Name: amazon-pinpoint-whatsapp-channel
    Description: Amazon Pinpoint WhatsApp Channel.  This application will deliver Amazon Pinpoint triggered messages to WhatsApp.
    Author: Amazon Pinpoint
    SpdxLicenseId: MIT-0
    LicenseUrl: LICENSE
    ReadmeUrl: README.md
    Labels: ['amazon-pinpoint', 'pinpoint', 'custom-channel', 'whatsapp', 'python']
    HomePageUrl: https://aws.amazon.com/pinpoint
    SemanticVersion: 1.0.0
    SourceCodeUrl: https://github.com/aws-samples/amazon-pinpoint-whatsapp-channel

Resources:
  AmazonPinpointWhatsappChannelFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: AmazonPinpointWhatsappChannel
      Description: A function invoked by an Amazon Pinpoint Campaign or Journey that sends a message to a user through Whatsapp
      CodeUri: pinpoint_whatsapp_channel/
      Handler: app.lambda_handler
      Runtime: python3.8
      Environment:
        Variables:
          ACCOUNT_SID:
            Ref: ACCOUNTSID
          AUTH_TOKEN:
            Ref: AUTHTOKEN
  PinpointInvokePermission:
    Type: AWS::Lambda::Permission
    Properties:
      Action: lambda:InvokeFunction
      FunctionName: !Ref AmazonPinpointWhatsappChannelFunction
      Principal: !Sub pinpoint.${AWS::Region}.amazonaws.com
      SourceArn: !Sub arn:${AWS::Partition}:mobiletargeting:${AWS::Region}:${AWS::AccountId}:apps/*
  

Outputs:
  AmazonPinpointWhatsappChannelFunction:
    Description: "Amazon Pinpoint Whatsapp Channel Lambda Function ARN"
    Value: !GetAtt AmazonPinpointWhatsappChannelFunction.Arn