class HumaneInteger

# File lib/humane_integer.rb, line 28
def self.trio(places)
  strings = []
  if places[1] == 1
    strings.push(Teen[places[0]])
  elsif places[1] and places[1] > 0
    strings.push(places[0] == 0 ? Tens[places[1]] :
                 "#{Tens[places[1]]}-#{Ones[places[0]]}")
  elsif places[0] > 0
    strings.push(Ones[places[0]])
  end
  if places[2] and places[2] > 0
    strings.push("hundred", Ones[places[2]])
  end
  strings
end

# File lib/humane_integer.rb, line 14
def to_english
  places = to_s.split(//).collect {|s| s.to_i}.reverse
  name = []
  ((places.length + 2) / 3).times do |p|
    strings = self.class.trio(places[p * 3, 3])
    name.push(Mega[p]) if strings.length > 0 and p > 0
    name += strings
  end
  name.push(Ones[0]) unless name.length > 0
  name.reverse.join(" ")
end