class PleasantLawyer

# File lib/pleasant_lawyer.rb, line 7
def self.convert(text)
  if text.to_i > 0
    number_to_words text.to_i
  else
    words_to_number *text.downcase.split(' ')
  end
end

# File lib/pleasant_lawyer.rb, line 15
def self.number_to_words(n)
  div, mod = (n-1).divmod(WORD_LIST_SIZE)
  numbers = [mod, (mod + div) % WORD_LIST_SIZE]
  [ADJECTIVES[numbers[0]], NOUNS[numbers[1]]]
end

# File lib/pleasant_lawyer.rb, line 21
def self.words_to_number(adjective, noun)
  adjective_index = ADJECTIVES.index{|word| word[0..2] == adjective[0..2]}
  noun_index = NOUNS.index{|word| word[0..2] == noun[0..2]}
  return 0 unless noun_index && adjective_index
  ((noun_index - adjective_index) % WORD_LIST_SIZE ) * WORD_LIST_SIZE + adjective_index + 1
end