AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: Sam application to deploy lambda.
Parameters: 
    TripBookingFnName:
        Type: String
        Default: rider-book-trip
        Description: Name of the Lambda function for Taxi Trip Booking by Rider
    TripAcceptFnName:
        Type: String
        Default: driver-accept-trip
        Description: Name of the Lambda function for Taxi Trip Acceptance by Driver
    TripCompleteFnName:
        Type: String
        Default: driver-complete-trip
        Description: Name of the Lambda function for Taxi Trip Completion by Driver
    LambdaLayerNameParameter:
        Type: String
        Default: util
        Description: Name of the Lambda Layer containing Python utility functions
    DDBTableName:
        Type: String
        Description: Name of the Amazon Dynamodb table. Default name is 'aws-db-workshop-trips'
        Default: aws-db-workshop-trips
    SecurityGroupIds: 
        Type: List<AWS::EC2::SecurityGroup::Id>
        Description: Security Group IDs that Lambda will use
    VpcSubnetIds: 
        Type: List<AWS::EC2::Subnet::Id>
        Description: VPC Subnet IDs that Lambda will use (min 2 for HA)
Resources:
    PythonUtilFnsLayer:
        Type: AWS::Serverless::LayerVersion
        Properties:
            LayerName: !Ref LambdaLayerNameParameter
            Description: Python utility functions for Taxi trip workflow
            ContentUri: dependencies/util.zip
            CompatibleRuntimes: 
                - python3.7
            LicenseInfo: 'MIT-0'
            RetentionPolicy: Delete
    RiderBookTripFunction:
        Type: 'AWS::Serverless::Function'
        Properties:
            FunctionName: !Ref TripBookingFnName
            Handler: rider-book-trip.lambda_handler
            Runtime: python3.7
            CodeUri: ./rider-book-trip
            Description: Takes rider_id and rider_mobile as input and books a trip for the rider by updating ws-db-workshop-trips table in DynamoDB
            MemorySize: 3008
            Timeout: 900
            Layers:
                - !Ref PythonUtilFnsLayer
            VpcConfig:
                SecurityGroupIds: !Ref SecurityGroupIds
                SubnetIds : !Ref VpcSubnetIds
            Policies:
                - VPCAccessPolicy: {}
                - DynamoDBCrudPolicy: 
                    TableName: !Ref DDBTableName
            Tags:
                Name: !Ref TripBookingFnName
                Purpose: 'aws-db-workshop'
    DriverAcceptTripFunction:
        Type: 'AWS::Serverless::Function'
        Properties:
            FunctionName: !Ref TripAcceptFnName
            Handler: driver-accept-trip.lambda_handler
            Runtime: python3.7
            CodeUri: ./driver-accept-trip
            Description: Takes rider_id and trip_info as input and accepts a trip by the driver by updating ws-db-workshop-trips table in DynamoDB
            MemorySize: 3008
            Timeout: 900
            Layers:
                - !Ref PythonUtilFnsLayer
            VpcConfig:
                SecurityGroupIds: !Ref SecurityGroupIds
                SubnetIds : !Ref VpcSubnetIds
            Policies:
                - VPCAccessPolicy: {}
                - DynamoDBCrudPolicy: 
                    TableName: !Ref DDBTableName
            Tags:
                Name: !Ref TripAcceptFnName
                Purpose: 'aws-db-workshop'
    DriverCompleteTripFunction:
        Type: 'AWS::Serverless::Function'
        Properties:
            FunctionName: !Ref TripCompleteFnName
            Handler: driver-complete-trip.lambda_handler
            Runtime: python3.7
            CodeUri: ./driver-complete-trip
            Description: Takes rider_id and trip_info as input and completes a trip by the driver by updating ws-db-workshop-trips table in DynamoDB
            MemorySize: 3008
            Timeout: 900
            Layers:
                - !Ref PythonUtilFnsLayer
            VpcConfig:
                SecurityGroupIds: !Ref SecurityGroupIds
                SubnetIds : !Ref VpcSubnetIds
            Policies:
                - VPCAccessPolicy: {}
                - DynamoDBCrudPolicy: 
                    TableName: !Ref DDBTableName
            Tags:
                Name: !Ref TripCompleteFnName
                Purpose: 'aws-db-workshop'