Added JavaDoc for HomeController.java

Author: CSE-AashrithA

src/main/java/com/escapegame/HomeController.java

@@ -1,23 +1,35 @@
 package com.escapegame;
 
 import java.io.IOException;
+
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
 import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
 
 /**
  * Home screen controller — wired to home.fxml
+ * This controller manages the application's home screen,
+ * handling navigation to the login and register views.
  */
 public class HomeController {
 
+    /** Button that navigates to the login screen. */
     @FXML private Button loginButton;
+    /** Button that navigates to the registration screen */
     @FXML private Button registerButton;
-
+    
+     /**
+     * Initializes the home controller
+     * Called automatically after FMXL loading.
+     */
     @FXML
     private void initialize() {
         System.out.println("HomeController initialized");
     }
-
+    /**
+     * Handles the login button click
+     * Navigates to the login view.
+     */
     @FXML
     private void onLogin() {
         System.out.println("Login button clicked");
@@ -28,7 +40,10 @@ private void onLogin() {
             showError("Unable to open login screen:\n" + e.getMessage());
         }
     }
-
+    /**
+     * Handles the register button click
+     * Navigates to the registration view.
+     */
     @FXML
     private void onRegister() {
         System.out.println("Register button clicked");
@@ -40,7 +55,10 @@ private void onRegister() {
         }
     }
 
-
+    /**
+     * Displays an error alert dialog if navigation fails
+     * @param message the error message to display
+     */
     private void showError(String message) {
         Alert a = new Alert(Alert.AlertType.ERROR);
         a.setHeaderText("Navigation error");