From 5cf2d683e7bc234590ac10d989184c5da471dbdf Mon Sep 17 00:00:00 2001
From: julien <julien.deb@netig.net>
Date: Tue, 6 Oct 2026 16:29:25 +0200
Subject: [PATCH] =?UTF-8?q?Commenc=C3=A9=20=C3=A0=20impl=C3=A9menter=20les?=
 =?UTF-8?q?=20plis?=
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---
 lib/game.rb        | 15 +++++++++++++++
 lib/terminal_ui.rb |  4 ++++
 2 files changed, 19 insertions(+)

diff --git a/lib/game.rb b/lib/game.rb
index ef43595..bb98fee 100644
--- a/lib/game.rb
+++ b/lib/game.rb
@@ -60,10 +60,25 @@ class Game
     @deck.cards
   end
 
+  def valid_follow_card?(follow_player, lead_card, follow_card)
+    if follow_card.suit == lead_card.suit
+      true
+    elsif follow_player.hand.any? { |card| card.suit == lead_card.suit }
+      false
+    else
+      true
+    end
+  end
+
   def play_trick(lead_player, follow_player)
     lead_card = @ui.choose_card(lead_player)
     follow_card = @ui.choose_card(follow_player)
 
+    until valid_follow_card?(follow_player, lead_card, follow_card)
+      @ui.display_wrong_card
+      follow_card = @ui.choose_card(follow_player)
+    end
+
     lead_player.play(lead_card)
     follow_player.play(follow_card)
 
diff --git a/lib/terminal_ui.rb b/lib/terminal_ui.rb
index 369043d..3cdb4b6 100644
--- a/lib/terminal_ui.rb
+++ b/lib/terminal_ui.rb
@@ -10,6 +10,10 @@ class TerminalUI
     player.hand[choice - 1]
   end
 
+  def display_wrong_card
+    puts "You cannot play this card."
+  end
+
   def display_trick_winner(player)
     puts "#{player.name} wins the trick."
     puts