AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Serverlesspresso Metrics - Publishes to CloudWatch metrics

Parameters:
  AppName:
    Type: String
    Description: Application name (eg. serverlesspresso)
    Default: "Serverlesspresso"
  CoreEventBusName:
    Type: AWS::SSM::Parameter::Value<String>
    Description: Event bus used by application
    Default: '/Serverlesspresso/core/eventbusname'
  Source:
    Type: String
    Description: Event bus source by application
    Default: 'awsserverlessda.serverlesspresso'

Globals:
  Function:
    Timeout: 3
    Runtime: nodejs14.x
    MemorySize: 128
    Environment:
      Variables:
        AWS_NODEJS_CONNECTION_REUSE_ENABLED: 1
        AppName: !Ref AppName

Resources:
  # Define the consumer Lambda functions and EventBridge rules
  ValidatorNewOrderFunction:
    Type: AWS::Serverless::Function
    Description: Serverlesspresso Metrics. Invoked by EventBridge rule
    Properties:
      CodeUri: code/
      Handler: ValidatorNewOrder.handler
      Policies:
        - CloudWatchPutMetricPolicy: {}
      Events:
        TriggerMetric:
          Type: EventBridgeRule
          Properties:
            EventBusName: !Ref CoreEventBusName
            Pattern:
              source:
                - !Ref Source
              detail-type:
                - prefix: 'Validator.NewOrder'

  OrderManagerOrderCancelledFunction:
    Type: AWS::Serverless::Function
    Description: Serverlesspresso Metrics. Invoked by EventBridge rule
    Properties:
      CodeUri: code/
      Handler: OrderManagerOrderCancelled.handler
      Policies:
        - CloudWatchPutMetricPolicy: {}
      Events:
        TriggerMetric:
          Type: EventBridgeRule
          Properties:
            EventBusName: !Ref CoreEventBusName
            Pattern:
              source:
                - !Ref Source
              detail-type:
                - prefix: 'OrderManager.OrderCancelled'

  OrderProcessorOrderTimeOutFunction:
    Type: AWS::Serverless::Function
    Description: Serverlesspresso Metrics. Invoked by EventBridge rule
    Properties:
      CodeUri: code/
      Handler: OrderProcessorOrderTimeOut.handler
      Policies:
        - CloudWatchPutMetricPolicy: {}
      Events:
        TriggerMetric:
          Type: EventBridgeRule
          Properties:
            EventBusName: !Ref CoreEventBusName
            Pattern:
              source:
                - !Ref Source
              detail-type:
                - prefix: 'OrderProcessor.OrderTimeOut'

  OrderManagerWaitingCompletionFunction:
    Type: AWS::Serverless::Function
    Description: Serverlesspresso Metrics. Invoked by EventBridge rule
    Properties:
      CodeUri: code/
      Handler: OrderManagerWaitingCompletion.handler
      Policies:
        - CloudWatchPutMetricPolicy: {}
      Events:
        TriggerMetric:
          Type: EventBridgeRule
          Properties:
            EventBusName: !Ref CoreEventBusName
            Pattern:
              source:
                - !Ref Source
              detail-type:
                - prefix: 'OrderManager.WaitingCompletion'