module OpenAI

def self.configuration
  @configuration ||= OpenAI::Configuration.new
end

def self.configure
  yield(configuration)
end

def self.rough_token_count(content = "")
  raise ArgumentError, "rough_token_count requires a string" unless content.is_a? String
  return 0 if content.empty?
  count_by_chars = content.size / 4.0
  count_by_words = content.split.size * 4.0 / 3
  estimate = ((count_by_chars + count_by_words) / 2.0).round
  [1, estimate].max
end