Séparé les classes dans des fichiers

lib/game.rb

@@ -1,5 +1,6 @@
 require_relative "deck"
 require_relative "player"
+require_relative "terminal_ui"
 
 class Game
   attr_reader :player1, :player2, :dealer, :non_dealer,
@@ -14,6 +15,7 @@ class Game
     @upcard = nil
     @trump_suit = nil
     @round_winner = nil
+    @ui = TerminalUI.new
   end
 
   def determine_dealer

lib/terminal_ui.rb

@@ -0,0 +1,34 @@
+class TerminalUI
+  def choose_card(player)
+    player.hand.each_with_index do |card, index|
+      puts "#{index + 1}. #{card}"
+    end
+
+    print "Choose a card: "
+    choice = gets.chomp.to_i
+
+    player.hand[choice - 1]
+  end
+
+  def debug_game(game)
+    puts "Dealer: #{game.dealer.name}"
+    puts "Non-dealer: #{game.non_dealer.name}"
+    puts
+
+    puts "#{game.player1.name} has:"
+    puts game.player1.hand
+    puts
+
+    puts "#{game.player2.name} has:"
+    puts game.player2.hand
+    puts
+
+    puts "Upcard: #{game.upcard}"
+    puts "Trump suit: #{game.trump_suit}"
+    puts
+
+    puts "Stock:"
+    puts game.stock
+  end
+end
+

main.rb

@@ -1,33 +1,20 @@
 #!/usr/bin/env ruby
 
 require_relative "lib/game"
+require_relative "lib/terminal_ui"
 
 # Instance du jeu
 game = Game.new("Alice", "Bob")
+ui = TerminalUI.new
 
 game.determine_dealer
-puts "The dealer is #{game.dealer.name}."
 game.deal
-puts "#{game.player1.name} has #{game.player1.hand.count} cards."
-puts "#{game.player2.name} has #{game.player2.hand.count} cards."
-puts "The stock has #{game.stock.length} cards."
-puts
+ui.debug_game(game)
+
 game.change_dealer
-puts "The dealer is #{game.dealer.name}."
 game.deal
-puts "#{game.player1.name} has #{game.player1.hand.count} cards."
-puts "#{game.player2.name} has #{game.player2.hand.count} cards."
-puts "The stock has #{game.stock.length} cards."
+ui.debug_game(game)
 
-# Mise en place du jeu
-# puts "#{game.player1.name} has :"
-# puts
-# puts "#{game.player2.name} has :"
-# puts game.player2.hand
-# puts
-# puts "Upcard is #{game.upcard} so the trump suit is #{game.trump_suit}."
-# puts
-# puts "The stock has #{game.stock.length} cards :"
-# puts
-# puts game.stock
+# card = ui.choose_card(game.player1)
+# puts "#{game.player1.name} chose #{card}."