card.rb

class Card
  attr_reader :rank, :suit
  include Comparable

  VALUES = { 'Jack' => 11, 'Queen' => 12, 'King' => 13, 'Ace' => 14 }

  def initialize(rank, suit)
    @rank = rank
    @suit = suit
  end

  def to_s
    "#{rank} of #{suit}"
  end

  def value
    VALUES.fetch(@rank, @rank)
  end

  def <=>(other_card)
    value <=> other_card.value
  end
end

class Deck
  RANKS = (2..10).to_a + %w(Jack Queen King Ace).freeze
  SUITS = %w(Hearts Clubs Diamonds Spades).freeze

  def intialize()
    require 'pry'; binding.pry
    @deck = RANKS.product(SUITS).map do |rank, suit|
      Card.new(rank, suit)
    end
    @deck.shuffle!
  end

  def draw
    p @deck.class
    selected_card = @deck.pop
    selected_card
  end

end

deck = Deck.new
drawn = []
52.times { drawn << deck.draw }
p drawn.count { |card| card.rank == 5 } == 4
p drawn.count { |card| card.suit == 'Hearts' } == 13