module FFaker::Locale

def code(given_language = nil)
  code_index = LANGUAGE.index(given_language)
  return LANGUAGE_CODE[code_index] if given_language && code_index
  fetch_sample(LANGUAGE_CODE)
end

def language(given_code = nil)
  language_index = LANGUAGE_CODE.index(given_code&.upcase)
  return LANGUAGE[language_index] if given_code && language_index
  fetch_sample(LANGUAGE)
end