Andy's Blackjack Game

blackjack.rb

class Card
  attr_reader :suit, :numeral, :card

  def initialize
    @numeral = %w[1 2 3 4 5 6 7 8 9 10 J Q K A].sample
    @suit = %w[♦ ♠ ♥ ♣].sample
    @card = "#{@numeral}#{@suit}"
    return @card
  end

  def value
    @values = {"1" => 1, "2" => 2, "3" => 3, "4" => 4, "5" => 5, "6" => 6, "7" => 7, "8" => 8, "9" => 9, "10" => 10, "J" => 10, "Q" => 10, "K" => 10, "A" => "ACE"}
    @value = @values[@numeral]
  end
end


class Deck
  attr_reader :cards, :taken_card

  def initialize(amount = 52)
    @cards = []
    amount.times { @cards << Card.new }
  end

  def take
    @taken_card = @cards.delete @cards.sample
  end
end


class Hand
  attr_reader :cards, :total, :newcard
  def initialize(deck)
    @match_deck = deck
    @cards = []
    @total = []
    2.times { @cards << @match_deck.take }
  end

  def hit
    @newcard = @match_deck.take
    @cards << @newcard
  end

  def total
    ace_counter = 0
    @hand_total = 0

    @cards.each do |card|
      if card.value == "ACE"
        ace_counter += 1
        @hand_total += 11
      else
        @hand_total += card.value
      end
    end

    while @hand_total > 21 && ace_counter > 0
      @hand_total -= 10
      ace_counter -=1
    end

    return @hand_total
  end
end


class Game
  attr_reader :deck, :player, :dealer

  def initialize
    @deck = Deck.new
    @player = Hand.new(@deck)
    @dealer = Hand.new(@deck)

    puts "Welcome to Blackjack!"

    player_begin
    player_deals

    dealer_begin
    dealer_deals

    who_won?
  end

  def player_begin
    puts "\n-[ PLAYER'S TURN ]-"
    @player.cards.each do |card|
      puts "Player was dealt #{card.card}"
    end
    puts "\nPlayer Score: #{@player.total}"
  end

  def player_deals
    choice = nil
    print "\nHit or Stand (H/S): "
    choice = gets.chomp.downcase

    while @player.total < 22 && choice != "s"
      if choice == "h"
        @player.hit
        puts "\nPlayer was dealt #{@player.newcard.card}"
        puts "Player score: #{@player.total}"


        if @player.total < 22
          print "\nHit or Stand (H/S): "
          choice = gets.chomp.downcase
        else
          break
        end

      else
        puts "\nPlease enter H or S"
        print "\nHit or Stand (H/S): "
        choice = gets.chomp.downcase
      end
    end

    if @player.total > 21
      puts "\nPLAYER BUSTS!"
      return @player.total
    else
      puts "Player stands."
      puts "Player score: #{@player.total}"
      return @player.total
    end
  end

  def dealer_begin
    puts "\n-[ DEALER'S TURN ]-"
    @dealer.cards.each do |card|
      puts "Dealer was dealt #{card.card}"
    end
    puts "\nDealer Score: #{@dealer.total}"
  end

  def dealer_deals
    while @dealer.total < 17
      @dealer.hit
      puts "Dealer was dealt #{@dealer.newcard.card}"
    end

    if @dealer.total > 21
      puts "\nDEALER BUSTS!"
      puts "Dealer score: #{@dealer.total}"
      return @dealer.total
    else
      puts "Dealer stands."
      puts "Dealer score: #{@dealer.total}"
      return @dealer.total
    end
  end

  def who_won?
    puts "\n-----------------------------------"
    puts "Player score: #{@player.total}"
    puts "Dealer score: #{@dealer.total}"
    puts "-----------------------------------"

    if @dealer.total > 21 && @player.total <= 21
      puts "\nPLAYER WINS! GAME OVER!"
    elsif @dealer.total > 21 && @player.total > 21
      puts "\nDRAW! GAME OVER!"
    elsif @dealer.total == @player.total
      puts "\nDRAW! GAME OVER!"
    elsif @dealer.total < @player.total && @dealer.total < 22 && @player.total <= 21
      puts "\nPLAYER WINS! GAME OVER!"
    else
      puts "\nPLAYER LOSES! GAME OVER!"
    end
  end

end

game = Game.new