defmodule CatDog do
  alias CatDog.Utils

  @adjectives Utils.read_file_to_tuple("priv/adjectives.txt")
  @nouns Utils.read_file_to_tuple("priv/nouns.txt")

  def generate do
    "#{random_elem(adjectives())} #{random_elem(nouns())}"
  end

  defp adjectives, do: @adjectives
  defp nouns, do: @nouns

  defp random_elem(tuple) do
    size = tuple_size(tuple)
    rand = :crypto.rand_uniform(0, size)

    elem(tuple, rand)
  end
end