module Wordmix

# File lib/wordmix.rb, line 4
def self.obfuscate(text)
  words = text.split(/\s+/)
  words.map do |word|
    word, puncuation = word.split(/\b/)
    word_array = word.chars
    first = word_array.shift
    last = word_array.pop
    word_array.shuffle!
    [first, *word_array, last, puncuation].join.downcase
  end.join(' ')
end