provider "aws" {
  region = "eu-west-1"
}

####################################################
# Lambda Function (building from source)
####################################################

module "lambda_function" {
  source  = "terraform-aws-modules/lambda/aws"
  version = "~> 4.0"

  function_name = "${random_pet.this.id}-lambda"
  description   = "My awesome lambda function"
  handler       = "index.lambda_handler"
  runtime       = "python3.8"
  publish       = true

  source_path = "${path.module}/../terraform-fixtures/python"

  allowed_triggers = {
    AllowExecutionFromS3Bucket = {
      service    = "s3"
      source_arn = module.s3_bucket.s3_bucket_arn
    }
  }

  tags = {
    Pattern = "terraform-s3-lambda"
    Module  = "lambda_function"
  }
}

###################
# S3 bucket with notification
###################

module "s3_bucket" {
  source  = "terraform-aws-modules/s3-bucket/aws"
  version = "~> 3.0"

  bucket        = "${random_pet.this.id}-bucket"
  force_destroy = true

  tags = {
    Pattern = "terraform-s3-lambda"
    Module  = "s3_bucket"
  }
}

module "s3_notification" {
  source  = "terraform-aws-modules/s3-bucket/aws//modules/notification"
  version = "~> 3.0"

  bucket = module.s3_bucket.s3_bucket_id

  eventbridge = true

  lambda_notifications = {
    lambda1 = {
      function_arn  = module.lambda_function.lambda_function_arn
      function_name = module.lambda_function.lambda_function_name
      events        = ["s3:ObjectCreated:*"]
      filter_prefix = "data/"
      filter_suffix = ".json"
    }
  }
}

##################
# Extra resources
##################

resource "random_pet" "this" {
  length = 2
}