AWSTemplateFormatVersion: '2010-09-09'

Description: >
  " Deploys the AWS resources required to demonstrate the use case in the Contact Center Blog - Use Real-Time Contact Lens to deliver AI powered context on agent transfers
  - Node.js Lambda function triggered by Amazon Connect to get real-time call analytics from Contact Lens
  - Node.js Lambda functions triggered by CloudFormation to create contact flows and a quick connect
  - Creates a custom resource to trigger the CreateContactFlows Lambda function"

Mappings:
  FunctionMap:
    Configuration:
      S3Bucket: "amazon-connect-clrt-blog-assets"
      S3Key: "aws-lambda-functions.zip"

Parameters:
  instanceIdParam:
    Type: String
    AllowedPattern: '\w{8}-\w{4}-\w{4}-\w{4}-\w{12}'
    ConstraintDescription: "Invalid Amazon Connect instance Id"
    Description: Amazon Connect Instance ID (Ensure you it is entered accurately in the format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ).
  basicQueueArnParam:
    Type: String
    ConstraintDescription: "Invalid Amazon Connect Queue ARN"
    Description: Basic Queue ARN.
  fraudQueueArnParam:
    Type: String
    ConstraintDescription: "Invalid Amazon Connect Queue ARN"
    Description: Fraud Queue ARN.

Metadata:
  'AWS::CloudFormation::Interface':
    ParameterGroups:
      - Label:
          default: Amazon Connect Configuration
        Parameters:
          - instanceIdParam
          - basicQueueArnParam
          - fraudQueueArnParam
    ParameterLabels:
      instanceIdParam:
        default: Instance ID
      basicQueueArnParam:
        default: Basic Queue ARN
      fraudQueueArnParam:
        default: Fraud Queue ARN

Outputs:
  getRealTimeCallAnalyticsFromContactLens:
    Description:  >
        Lambda function triggered by Amazon Connect to get real-time call analytics from Contact Lens.
    Value: !Ref getRealTimeCallAnalyticsFromContactLens
  getRealTimeCallAnalyticsFromContactLensARN:
    Description:  ARN for the GetRealTimeCallAnalyticsFromContactLensFunction
    Value: !GetAtt getRealTimeCallAnalyticsFromContactLens.Arn
  createContactFlows:
    Description:  >
        Lambda function triggered by CFT to create Contact Flows.
    Value: !Ref CreateContactFlows
  createAgentWhisperFlowARN:
    Description:  ARN for the CreateAgentWhisperFlowFunction
    Value: !GetAtt CreateContactFlows.Arn

Resources:
    allowConnectToLambda:
        Type: 'AWS::Lambda::Permission'
        Properties:
            FunctionName: !Ref getRealTimeCallAnalyticsFromContactLens
            Action: 'lambda:InvokeFunction'
            Principal: connect.amazonaws.com
            SourceAccount: !Ref 'AWS::AccountId'
    GetRealTimeCallAnalyticsFromContactLensRole:
        Type: "AWS::IAM::Role"
        Properties:
          AssumeRolePolicyDocument:
            Version: "2012-10-17"
            Statement:
              -
                Effect: "Allow"
                Principal:
                  Service:
                    - "lambda.amazonaws.com"
                Action:
                  - "sts:AssumeRole"
          Path: "/"
          Policies:
            -
              PolicyName: !Sub ${AWS::StackName}-realtime-call-analytics-from-contactLens-policy
              PolicyDocument:
                Version: "2012-10-17"
                Statement:
                  -
                    Effect: "Allow"
                    Action:
                      - 'logs:CreateLogGroup'
                      - 'logs:CreateLogStream'
                      - 'logs:PutLogEvents'
                    Resource:
                      - !Sub "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*"
                  -
                    Effect: "Allow"
                    Action:
                      - 'connect:*'
                    Resource:
                      - "*"
    getRealTimeCallAnalyticsFromContactLens:
      Type: "AWS::Lambda::Function"
      Properties:
        Description: Lambda function triggered by Amazon Connect to get real-time call analytics from Contact Lens.
        Runtime: nodejs12.x
        Role: !GetAtt GetRealTimeCallAnalyticsFromContactLensRole.Arn
        Handler: get-realtime-call-analytics-from-contactlens.handler
        MemorySize: 128
        Timeout: 30
        Code: ./aws-resources-creator/        

    CreateContactFlowsRole:
        Type: "AWS::IAM::Role"
        Properties:
          AssumeRolePolicyDocument:
            Version: "2012-10-17"
            Statement:
              -
                Effect: "Allow"
                Principal:
                  Service:
                    - "lambda.amazonaws.com"
                Action:
                  - "sts:AssumeRole"
          Path: "/"
          Policies:
            -
              PolicyName: !Sub ${AWS::StackName}-create-contact-flows-policy
              PolicyDocument:
                Version: "2012-10-17"
                Statement:
                  -
                    Effect: "Allow"
                    Action:
                      - 'logs:CreateLogGroup'
                      - 'logs:CreateLogStream'
                      - 'logs:PutLogEvents'
                    Resource:
                      - !Sub "arn:${AWS::Partition}:logs:${AWS::Region}:${AWS::AccountId}:log-group:/aws/lambda/*"
                  -
                    Effect: "Allow"
                    Action:
                      - 'connect:*'
                    Resource:
                      - "*"
    CreateContactFlows:
      Type: "AWS::Lambda::Function"
      Properties:
        Description: Lambda function triggered by CFT to create Contact Flows.
        Runtime: nodejs12.x
        Role: !GetAtt CreateContactFlowsRole.Arn
        Handler: create-contact-flows.handler
        MemorySize: 128
        Timeout: 30
        Environment:
            Variables:
                CONNECT_INSTANCE_ID: !Ref instanceIdParam
        Code: ./aws-resources-creator/        

    CreateContactFlowsLambdaRun:
      Type: Custom::CreateContactFlowsLambdaRun
      Properties:
        ServiceToken: !GetAtt CreateContactFlows.Arn
        LAMBDA_FUNCTION_ARN: !GetAtt getRealTimeCallAnalyticsFromContactLens.Arn
        BASIC_QUEUE_ARN: !Ref basicQueueArnParam
        FRAUD_QUEUE_ARN: !Ref fraudQueueArnParam
        AGENT_WHISPER_FLOW_NAME: !Sub ${AWS::StackName}-CLRT-Agent-Whisper-Flow
        QUEUE_TRANSFER_FLOW_NAME: !Sub ${AWS::StackName}-CLRT-Queue-Transfer-Flow
        CONTACT_FLOW_NAME: !Sub ${AWS::StackName}-CLRT-Contact-Flow
        QUICK_CONNECT_NAME: !Sub ${AWS::StackName}-CLRT-Quick-Connect