deck.rb

# This is a sample Deck implementation.
class Deck
  def initialize
    @cards = []
    Card::SUITS.each_byte do |suit|
      # careful not to double include the aces...
      Card::FACES[1..-1].each_byte do |face|
        @cards.push(Card.new(face.chr, suit.chr))
      end
    end
    shuffle
  end

  def shuffle
    @cards = @cards.sort_by { rand }
    return self
  end

  # removes a single card from the top of the deck and returns it
  # synonymous to poping off a stack
  def deal
    @cards.pop
  end

  # delete an array or a single card from the deck
  # converts a string to a new card, if a string is given
  def burn(burn_cards)
    return false if burn_cards.is_a?(Integer)
    if burn_cards.is_a?(Card) || burn_cards.is_a?(String)
      burn_cards = [burn_cards]
    end

    burn_cards.map! do |c|
      c = Card.new(c) unless c.class == Card
      @cards.delete(c)
    end
    true
  end

  # return count of the remaining cards
  def size
    @cards.size
  end

  def empty?
    @cards.empty?
  end
end