promote gui

app/src/main/java/chess/simplerender/Window.java

@@ -196,7 +196,42 @@ public class Window extends JFrame implements OutputSystem {
 
 	@Override
 	public void promotePawn(Coordinate pieceCoords) {
-		sendCommand(new PromoteCommand(PromoteType.Queen, pieceCoords));
+		SwingUtilities.invokeLater(() -> {
+			// String result = JOptionPane.showInputDialog(this, "Choisissez le type !");
+			// sendCommand(new PromoteCommand(PromoteType.Queen, pieceCoords));
+
+			String result = null;
+
+			Object[] possibilities = new Object[PromoteType.values().length];
+			int i = 0;
+			for (PromoteType type : PromoteType.values()) {
+				possibilities[i] = type.name();
+				i++;
+			}
+
+			while (result == null || result.isEmpty()) {
+				result = (String) JOptionPane.showInputDialog(
+						this,
+						"Choose the type of piece to upgrade the pawn",
+						"Promote Dialog",
+						JOptionPane.PLAIN_MESSAGE,
+						null,
+						possibilities,
+						possibilities[0]);
+			}
+
+			PromoteType choosedType = null;
+
+			for (PromoteType type : PromoteType.values()) {
+				if (type.name().equals(result)) {
+					choosedType = type;
+					break;
+				}
+			}
+
+			if (choosedType != null)
+				sendCommand(new PromoteCommand(choosedType, pieceCoords));
+		});
 	}
 
 }