AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
  human-task-reminder

  Sample SAM Template for human-task-reminder

Parameters:
  # During deployment, this paramter will prompt for the email address of a reviewer.
  EmailAddress:
    Type: String
    Default: moderator@example.com
    Description: Enter the email address that will receive task.
  # This will set the timeout in the reminder email loop
  ReminderTimeoutSec:
    Type: Number
    Default: 120
    Description: Enter Reminder Email Timeout in Seconds

Resources:
# STATE MACHINE #
  ReminderStateMachine:
    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: HumanTaskReminder
      DefinitionUri: statemachine/statemachine.asl.yaml
      DefinitionSubstitutions:
        DDBTable: !Ref DDBTable
        TopicArn: !Ref NotificationTopic
        ReminderTimeout: !Ref ReminderTimeoutSec
      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
        - SNSPublishMessagePolicy:
            TopicName: !GetAtt NotificationTopic.TopicName
        

# DYNAMODB TABLE #
# This is used to store translated text for later use 
  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: HumanTaskReminderTable
      PrimaryKey:
        Name: id
        Type: String

  # Amazon SNS topic and subscription, triggers notification email when content needs to be reviewed.
  NotificationTopic:
    Type: AWS::SNS::Topic
    Properties:
      Subscription:
        - Endpoint: !Ref EmailAddress
          Protocol: "email"