AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: Lambda handler for API Gateway - youtube downloader
Resources:  
  LambdaRole:
    Type: 'AWS::IAM::Role'
    Properties:
      RoleName: lambda-invoke-assume-apigw
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - lambda.amazonaws.com
                - apigateway.amazonaws.com
            Action:
              - 'sts:AssumeRole'
      Path: /      
      Policies:
        - PolicyName: lambda-invoke
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action: 'lambda:InvokeFunction'
                Resource: '*'  
        - PolicyName: s3-access
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Effect: Allow
                Action: 
                 - 's3:*'
                 - 's3-object-lambda:*'
                Resource: '*'
  LambdaFunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: YDownloader::YDownloader.Function::FunctionHandler
      CodeUri: bin/Debug/netcoreapp3.1/publish
      Runtime: dotnetcore3.1           
      FunctionName: youtube-downloader
      Description: Lambda handler for API Gateway - Youtube uploader
      MemorySize: 512
      Role: !GetAtt LambdaRole.Arn  
      Timeout: 60
      Events:
        AddVideoApi:
          Type: Api
          Properties:
            RestApiId: !Ref ApiGatewayApi
            Path: /addvideo
            Method: POST

  ApiGatewayApi:
    Type: AWS::Serverless::Api
    Properties:
      DefinitionUri: swagger.yaml
      StageName: Prod
      Variables:
        # NOTE: Before using this template, replace the <<region>> and <<account>> fields
        #       in Lambda integration URI in the swagger file to region and accountId 
        #       you are deploying to
        LambdaFunctionName: !Ref LambdaFunction

Outputs:
  ApiUrl:
    Description: URL of your API endpoint
    Value: !Join
      - ''
      - - https://
        - !Ref ApiGatewayApi
        - '.execute-api.'
        - !Ref 'AWS::Region'
        - '.amazonaws.com/Prod'