#!/usr/bin/env ruby

class Card
  attr_reader :value, :suit

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

  def display
    puts "#{@value} of #{@suit}"
  end

  def strength
    if @value.match?(/\A\d+\z/)
      @value.to_i
    else
      case @value
      when "jack"
        11
      when "queen"
        12
      when "king"
        13
      when "ace"
        14
      end
    end
  end
end

class Deck
  attr_reader :cards

  def initialize
    @cards = []
    values = ["7", "8", "9", "10", "jack", "queen", "king", "ace"]
    suits = ["hearts", "diamonds", "clubs", "spades"]

    suits.each do |suit|
      values.each do |value|
        @cards << Card.new(value, suit)
      end
    end
  end

  def shuffle
    @cards.shuffle!
  end

  def draw
    @cards.pop
  end
end

class Player
  attr_reader :player_name, :score

  def initialize(player_name)
    @hand = []
    @player_name = player_name
    @score = 0
  end

  def receive(card)
    @hand << card
  end

  def display_hand
    @hand.each do |card|
      card.display
    end
  end

  def play
    @hand.pop
  end

  def add_point
    @score += 1
  end
end

class Game
  attr_reader :player1, :player2, :round_winner

  def initialize(player_name1, player_name2)
    @deck = Deck.new
    @player1 = Player.new(player_name1)
    @player2 = Player.new(player_name2)
    @round_winner = nil
  end

  def deal
    @deck.shuffle
    (1..16).each do
      @player1.receive(@deck.draw)
      @player2.receive(@deck.draw)
    end
  end

  def play_round
    card1 = @player1.play
    card2 = @player2.play
    card1.display
    card2.display
    if card1.strength > card2.strength
      @round_winner = @player1
    elsif card1.strength < card2.strength
      @round_winner = @player2
    else
      @round_winner = nil
    end

    if @round_winner
      @round_winner.add_point
    end
  end

  def play
    (1..16).each do
      play_round
    end
  end

  def game_winner
    if @player1.score > @player2.score
      @player1
    elsif @player1.score < @player2.score
      @player2
    else
      nil
    end
  end
end

# Card

# card = Card.new("king", "hearts")
# puts card.value
# puts card.suit
# card.display
# puts card.strength

# Deck

# deck = Deck.new
# deck.shuffle
# card = deck.draw
# card.display

# Game

game = Game.new("Bob", "Alice")
game.deal
puts "Player 1 :"
game.player1.display_hand
puts
puts "Player 2 :"
game.player2.display_hand
puts
game.play
puts
winner = game.game_winner
if winner
  puts winner.player_name
else
  puts "Nobody wins"
end