exercice terminé

exercises/hand_score.rb

@@ -23,14 +23,39 @@
 cards = [
   { value: "7", suit: "clubs" },
   { value: "king", suit: "hearts" },
-  { value: "ace", suit: "spades" }
+  { value: "ace", suit: "spades" },
+  # { value: "blork", suit: "club"}
 ]
 
 def hand_score(cards)
-  # À compléter.
+  score = 0
+
+  cards.each do |card|
+    value = Integer(card[:value], exception: false)
+    if value
+      score += value
+    else
+      case card[:value]
+      when "jack"
+        score += 11
+      when "queen"
+        score += 12
+      when "king"
+        score += 13
+      when "ace"
+        score += 14
+      else
+        # raise lève une exception et interrompt l'exécution normale du programme.
+        raise ArgumentError, "Valeur de carte inconnue : #{card[:value]}" 
+      end
+    end
+  end
+  score
 end
 
 # Résultat attendu :
 #
 # hand_score(cards)
 # => 34
+
+puts hand_score(cards)