AWSTemplateFormatVersion: "2010-09-09"
Description: (AWS Heidi) Child stack for AWS Heidi
Parameters:
  PrimaryEventHealthBus:
    Type: String
    Description: Primary Event Health Bus Arn(Get it from  primary central account)
  SecondaryEventHealthBus:
    Type: String
    Description: Secondary Event Health Bus Arn (Get it from Secondary central account, Leave blank if its single region deployment)
Resources:
  EventHealthBusPutEventOrgRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Sub "EventHealthBusPutEventOrgRole-${AWS::AccountId}-${AWS::Region}"
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              Service: events.amazonaws.com
            Action: sts:AssumeRole
      Path: "/"
      Policies:
        - PolicyName: !Sub "EventBridge-PutEvents-${AWS::AccountId}-${AWS::Region}"
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action:
                  - "events:PutEvents"
                Resource: 
                  - !Ref PrimaryEventHealthBus
                  - !If
                    - SecondaryEventHealthBus
                    - !Ref SecondaryEventHealthBus
                    - !Ref "AWS::NoValue"


  AWSHealthEventRuleDefaultBusPrimaryRule:
    Type: "AWS::Events::Rule"
    Properties:
      Name: !Sub "EventHealthDefaultPrimaryRule-${AWS::AccountId}-${AWS::Region}"
      Description: "EventBridge default rule for aws.health events"
      EventBusName: "default"
      EventPattern:
        source:
          - "aws.health"
          - "awshealthtest"
      Targets:
        - Arn: !Ref PrimaryEventHealthBus
          Id: "EventHealthBusTarget"
          RoleArn: !GetAtt EventHealthBusPutEventOrgRole.Arn

  AWSHealthEventRuleDefaultBusSecondaryRule:
    Condition: SecondaryEventHealthBus
    Type: "AWS::Events::Rule"
    Properties:
      Name: !Sub "EventHealthDefaultSecondarRule-${AWS::AccountId}-${AWS::Region}"
      Description: "EventBridge default rule for aws.health events"
      EventBusName: "default"
      EventPattern:
        source:
          - "aws.health"
          - "awshealthtest"
      Targets:
        - Arn: !Ref SecondaryEventHealthBus
          Id: "EventHealthBusTarget"
          RoleArn: !GetAtt EventHealthBusPutEventOrgRole.Arn

Conditions:
  SecondaryEventHealthBus: !Not [!Equals [!Ref SecondaryEventHealthBus, ""]]