AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
    aws-lambda-ruby-dog-rating-app

    Sample SAM Template for dog-rates

# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 5

Parameters:
  AppBucketName:
    Type: String
    Description: "REQUIRED: Unique S3 bucket name to use for the app."
  DynamoDBTableName:
    Type: String
    Description: "Table name to use for Amazon DynamoDB."
    Default: RateDogsTable
Resources:
  AppBucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref AppBucketName
  S3UploadHookFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: app/
      Handler: event.obj_upload
      Runtime: ruby2.5
      Environment:
        Variables:
          BucketName: !Ref AppBucketName
          TableName: !Ref RateDogsTable
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref RateDogsTable
        - S3CrudPolicy:
            BucketName: !Ref AppBucketName
        - RekognitionDetectOnlyPolicy: {}
      Events:
        ObjectCreatedHook:
          Type: S3
          Properties:
            Bucket: !Ref AppBucket
            Events: s3:ObjectCreated:*
  S3DeleteHookFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: app/
      Handler: event.obj_deleted
      Runtime: ruby2.5
      Environment:
        Variables:
          BucketName: !Ref AppBucketName
          TableName: !Ref RateDogsTable
      Policies:
        - DynamoDBCrudPolicy:
            TableName: !Ref RateDogsTable
      Events:
        ObjectDeletedHook:
          Type: S3
          Properties:
            Bucket: !Ref AppBucket
            Events: s3:ObjectRemoved:*
  SinatraFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: lambda.handler
      Runtime: ruby2.5
      Environment:
        Variables:
          BucketName: !Ref AppBucket
          TableName: !Ref RateDogsTable
      Policies:
        - S3CrudPolicy:
            BucketName: !Ref AppBucket
        - DynamoDBCrudPolicy:
            TableName: !Ref RateDogsTable
      CodeUri: app/
      MemorySize: 512
      Events:
        SinatraApi:
          Type: Api
          Properties:
            Path: /
            Method: ANY
            RestApiId: !Ref SinatraAPI
  SinatraAPI:
    Type: AWS::Serverless::Api
    Properties:
      Name: SinatraAPI
      StageName: Prod
      DefinitionBody:
        swagger: '2.0'
        basePath: '/Prod'
        info:
          title: !Ref AWS::StackName
        paths:
          /{proxy+}:
            x-amazon-apigateway-any-method:
              responses: {}
              x-amazon-apigateway-integration:
                uri:
                  !Sub 'arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${SinatraFunction.Arn}/invocations'
                passthroughBehavior: "when_no_match"
                httpMethod: POST
                type: "aws_proxy"
          /:
            get:
              responses: {}
              x-amazon-apigateway-integration:
                uri:
                  !Sub 'arn:aws:apigateway:${AWS::Region}:lambda:path/2015-03-31/functions/${SinatraFunction.Arn}/invocations'
                passthroughBehavior: "when_no_match"
                httpMethod: POST
                type: "aws_proxy"
  ConfigLambdaPermission:
    Type: "AWS::Lambda::Permission"
    DependsOn:
      - SinatraFunction
    Properties:
      Action: lambda:InvokeFunction
      FunctionName: !Ref SinatraFunction
      Principal: apigateway.amazonaws.com
  RateDogsTable:
    Type: AWS::Serverless::SimpleTable
    Properties:
      TableName: !Ref DynamoDBTableName
      PrimaryKey: 
        Name: object_id
        Type: String
Outputs:
  SinatraAppUrl:
    Description: App endpoint URL
    Value: !Sub "https://${SinatraAPI}.execute-api.${AWS::Region}.amazonaws.com/Prod/"