{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Transform": "AWS::Serverless-2016-10-31",
  "Description": "Template that creates a S3 bucket and a Lambda function that will be invoked when new objects are upload to the bucket.",
  "Parameters": {
    "BucketName": {
      "Type": "String",
      "Description": "Name of S3 bucket to be created. The Lambda function will be invoked when new objects are upload to the bucket. If left blank a name will be generated.",
      "MinLength": "0"
    }
  },
  "Conditions": {
    "BucketNameGenerated": {
      "Fn::Equals": [
        {
          "Ref": "BucketName"
        },
        ""
      ]
    }
  },
  "Resources": {
    "Bucket": {
      "Type": "AWS::S3::Bucket",
      "Properties": {
        "BucketName": {
          "Fn::If": [
            "BucketNameGenerated",
            {
              "Ref": "AWS::NoValue"
            },
            {
              "Ref": "BucketName"
            }
          ]
        }
      }
    },
    "LabelDetectFunction": {
      "Type": "AWS::Serverless::Function",
      "Properties": {
        "Handler": "BlueprintBaseName.1::BlueprintBaseName._1.Function::FunctionHandler",
        "Runtime": "dotnetcore3.1",
        "CodeUri": "",
        "Description": "Default function",
        "MemorySize": 256,
        "Timeout": 30,
        "Role": null,
        "Policies": [
          "AWSLambda_FullAccess",
          "AmazonRekognitionReadOnlyAccess"
        ],
        "Events": {
          "NewImagesBucket": {
            "Type": "S3",
            "Properties": {
              "Bucket": {
                "Ref": "Bucket"
              },
              "Events": [
                "s3:ObjectCreated:*"
              ]
            }
          }
        }
      }
    }
  },
  "Outputs": {
    "BucketForImages": {
      "Value": {
        "Ref": "Bucket"
      },
      "Description": "Upload images to this bucket to trigger the Lambda function"
    }
  }
}