Main.java

import controllers.AuthenticationController;
import controllers.PostController;
import controllers.PostService;
import models.User;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Initialize System Components
        AuthenticationController authController = new AuthenticationController();
        PostService postService = new PostService();
        PostController postController = new PostController(postService);
        
        System.out.println("=== Welcome to Campus Connect System ===");

        // ---------------------------------------------------------
        // Step 1: Registration
        // ---------------------------------------------------------
        System.out.println("\n--- Step 1: Registration ---");
        
        System.out.print("Enter your Student ID: ");
        String regId = scanner.nextLine();
        
        System.out.print("Enter your Full Name: ");
        String regName = scanner.nextLine();
        
        System.out.print("Enter your Email: ");
        String regEmail = scanner.nextLine();
        
        System.out.print("Create Password: ");
        String regPass = scanner.nextLine();
        
        authController.registerUser(regId, regEmail, regPass, regName);
        System.out.println("Success: User registered successfully!");


        // ---------------------------------------------------------
        // Step 2: Login
        // ---------------------------------------------------------
        System.out.println("\n--- Step 2: Login ---");
        System.out.print("Enter Email to Login: ");
        String loginEmail = scanner.nextLine();
        
        System.out.print("Enter Password: ");
        String loginPass = scanner.nextLine();

        User loggedInUser = authController.login(loginEmail, loginPass);

        if (loggedInUser != null) {
            System.out.println("Login Successful! Welcome " + loggedInUser.getFullName());
            
            // ---------------------------------------------------------
            // Step 3: Create Post
            // ---------------------------------------------------------
            System.out.println("\n--- Step 3: Create Post ---");
            System.out.println("What is on your mind?");
            String content = scanner.nextLine();
            
            postController.createNewPost(content, loggedInUser);
            
            // ---------------------------------------------------------
            // Step 4: View Timeline (Retrieve Data)
            // ---------------------------------------------------------
            postController.showAllPosts();
            
        } else {
            System.out.println("Error: Invalid Email or Password.");
            System.out.println("System: Access Denied.");
        }
        
        scanner.close();
    }
}