src/main/java/dev/service/OrderService.java

@@ -19,7 +19,7 @@ public class OrderService {
 
     public void placeOrder(int userId) {
         menuService.showMenu();
-        
+
         Map<Integer, int[]> cart = new LinkedHashMap<>();  // int[] = {quantity}
         Map<Integer, MenuItem> itemMap = new HashMap<>();
 

src/main/java/dev/ui/ConsoleMenu.java

@@ -1,44 +1,86 @@
 package dev.ui;
 
+import dev.model.User;
+import dev.service.AuthService;
+import dev.service.MenuService;
+import dev.service.OrderService;
+
 import java.util.Scanner;
 
 public class ConsoleMenu {
 
-    private final Scanner scanner =
-            new Scanner(System.in);
+    private final Scanner      scanner      = new Scanner(System.in);
+    private final AuthService  authService  = new AuthService();
+    private final MenuService  menuService  = new MenuService();
+    private final OrderService orderService = new OrderService();
 
     public void start() {
-
         while (true) {
-
-            System.out.println();
-            System.out.println("===== JAVA PIZZERIA =====");
+            System.out.println("\n===========================");
+            System.out.println("   🍕 JAVA PIZZERIA 🍕");
+            System.out.println("===========================");
             System.out.println("1. Login");
             System.out.println("2. Register");
             System.out.println("3. Exit");
+            System.out.print("Choose: ");
 
             int choice = scanner.nextInt();
+            scanner.nextLine(); // consume newline
 
             switch (choice) {
-
-                case 1:
-                    // TODO
-                    break;
-
-                case 2:
-                    // TODO
-                    break;
-
-                case 3:
-                    return;
-
-                default:
-                    System.out.println("Invalid choice");
-
+                case 1 -> {
+                    User user = handleLogin();
+                    if (user != null) showMainMenu(user);
+                }
+                case 2 -> handleRegister();
+                case 3 -> { System.out.println("Goodbye!"); return; }
+                default -> System.out.println("Invalid choice.");
             }
-
         }
-
     }
 
+    private void handleRegister() {
+        System.out.println("\n[Register]");
+        System.out.print("Username: "); String username = scanner.nextLine();
+        System.out.print("Password: "); String password = scanner.nextLine();
+        System.out.print("Email (optional, press Enter to skip): "); String email = scanner.nextLine();
+
+        if (authService.register(username, password, email)) {
+            System.out.println("Registration successful! Please log in.");
+        }
+    }
+
+    private User handleLogin() {
+        System.out.println("\n[Login]");
+        System.out.print("Username: "); String username = scanner.nextLine();
+        System.out.print("Password: "); String password = scanner.nextLine();
+
+        User user = authService.login(username, password);
+        if (user != null) System.out.println("Welcome, " + user.getUsername() + "!");
+        return user;
+    }
+
+    private void showMainMenu(User user) {
+        while (true) {
+            System.out.println("\n===========================");
+            System.out.println("       🍽️ MAIN MENU 🍽️");
+            System.out.println("===========================");
+            System.out.println("1. View Menu");
+            System.out.println("2. Place Order");
+            System.out.println("3. Order History");
+            System.out.println("4. Logout");
+            System.out.print("Choose: ");
+
+            int choice = scanner.nextInt();
+            scanner.nextLine();
+
+            switch (choice) {
+                case 1 -> menuService.showMenu();
+                case 2 -> orderService.placeOrder(user.getId());
+                case 3 -> orderService.showOrderHistory(user.getId());
+                case 4 -> { System.out.println("Logged out."); return; }
+                default -> System.out.println("Invalid choice.");
+            }
+        }
+    }
 }