In_Words Recursive to Octillion

in_words_recursive

module InWords
  def in_words(*word_generated)
      num_array = self.to_s.split("")
      num_array.collect! { |x| x.to_i }
      hundreds_place = ""

      number_block = num_array.pop(num_array.length > 3 ? 3 : num_array.length)
      word_generated << word_generator(number_block, hundreds_place)
      #recursive call on in_words
      if num_array.empty?
        digit_label_splicer(word_generated.flatten).reverse.join.rstrip.lstrip

      else
        num_array.join.to_i.in_words(word_generated)
      end
  end

  def tens(digit)
    numbers_hash[digit]
  end

  def numbers_hash
    { 0 => "", 1 => "one", 2 => "two", 3 => "three", 4 => "four", 5 => "five", 6 => "six", 7 => "seven", 8 => "eight", 9 => "nine",
      10 => "ten", 11 => "eleven", 12 => "twelve", 13 => "thirteen", 14 => "fourteen", 15 => "fifteen", 16 => "sixteen", 17 => "seventeen",
      18 => "eighteen", 19 => "nineteen", 20 => "twenty", 30 => "thirty", 40 => "forty", 50 => "fifty", 60 => "sixty", 70 => "seventy",
      80 => "eighty", 90 =>"ninety"}
  end

  def label_array
    ["", "thousand", "million", "billion", "trillion", "quadrillion", "quintillion", "sextillion", "septillion", "octillion" ]
  end

  def digit_label_splicer( array )
    i = 0
    array.collect! do |digit_segment|
      unless digit_segment == ""
      flag= digit_segment.rstrip.lstrip + " #{label_array[i]} "
     end
     i += 1
     flag
    end
  end

  def word_generator(number_array, hundreds_place)
    if number_array.length == 3 && number_array[0] != 0
      hundreds_place = "#{numbers_hash[number_array.first]} hundred "
    end

    if number_array.join.to_i != 0
      remainder = number_array.join('').to_i % 100
      remainder < 20 ? "#{hundreds_place}#{numbers_hash[remainder]}" : "#{hundreds_place}" + "#{numbers_hash[number_array[-2] * 10]} #{numbers_hash[number_array[-1]]}"
    else
      ""
    end
  end

end

class Numeric
  include InWords
end