# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

# frozen_string_literal: true

# snippet-start:[ruby.example_code.lambda.handler.increment]
require "logger"

# A function that increments a whole number by one (1) and logs the result.
# Requires a manually-provided runtime parameter, 'number', which must be Int
#
# @param event [Hash] Parameters sent when the function is invoked
# @param context [Hash] Methods and properties that provide information
# about the invocation, function, and execution environment.
# @return incremented_number [String] The incremented number.
def lambda_handler(event:, context:)
  logger = Logger.new($stdout)
  log_level = ENV["LOG_LEVEL"]
  logger.level = case log_level
                 when "debug"
                   Logger::DEBUG
                 when "info"
                   Logger::INFO
                 else
                   Logger::ERROR
                 end
  logger.debug("This is a debug log message.")
  logger.info("This is an info log message. Code executed successfully!")
  number = event["number"].to_i
  incremented_number = number + 1
  logger.info("You provided #{number.round} and it was incremented to #{incremented_number.round}")
  incremented_number.round.to_s
end
# snippet-end:[ruby.example_code.lambda.handler.increment]