#!/usr/bin/ruby
class Deck
  TOTAL_CARDS = 52
  def initialize
    initialize_deck
  end

  def initialize_deck
    @card_deck = Array.new(TOTAL_CARDS) {|i| ((i/4)+2)}
  end
  
  def shuffle
    for i in 0..51
      card_swap(rand(TOTAL_CARDS), rand(TOTAL_CARDS))
    end
  end

  def card_swap(card_one, card_two)
    temp_card = @card_deck[card_one]
    @card_deck[card_one] = @card_deck[card_two]
    @card_deck[card_two] = temp_card
  end
  
  
  def get_bottom_half
    bottom_deck = Array.new(26)
    for i in 0..((TOTAL_CARDS / 2) - 1)
      bottom_deck[i] = @card_deck[i]
    end
    
    return bottom_deck
  end
  
  def get_top_half
    top_deck = Array.new(26)
    for i in (TOTAL_CARDS / 2)..(TOTAL_CARDS - 1)
      top_deck[i] = @card_deck[i]
    end
    
    return top_deck.compact!
  end
  
  def full_shuffle
    shuffle
    shuffle
    shuffle
  end
    
end