AI and player play correctly

src/GomokuAI.java

@@ -1,3 +1,4 @@
+import java.util.List;
 import java.util.Random;
 
 public class GomokuAI{
@@ -17,20 +18,25 @@ public class GomokuAI{
     * @param Board The actual Gomoku board.
     * @return The coordinate of the move played.
     */
-    public Coordinate chooseMove(GomokuBoard board){
-        
+    public GomokuCell chooseMove(GomokuBoard board){
         
+        List<GomokuCell> playableCell = board.getPlayableCells();
+        GomokuCell playCell;
         int x=0,y=0;
-        if(difficulty == 0)
-        {
-            int rand = random.nextInt(board.getPlayableCells().size());
-
-        }
         
+        switch (difficulty) {
+            case 0:
+                playCell = playableCell.get(random.nextInt(playableCell.size()));
+                break;
+            case 1:
+                System.out.println("L'IA réflechit...");
+            default:
+                throw new AssertionError();
+        }
 
         System.out.println("L'IA à choisi : "+ x+", "+ y);
 
         
-        return new Coordinate(x,y);
+        return playCell;
     }
 }