GameCentre.java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.sql.*;
import java.util.regex.Pattern;

public class GameCentre {
    static Connection conn;
    static BufferedReader input = new BufferedReader(new InputStreamReader(System.in));

    public static void main(String[] args) {
        try {
            conn = KoneksiDB.getConnection();
            if (conn == null) System.exit(0);

            while (true) {
                System.out.println("\n=== SELAMAT DATANG DI GAMECENTRE ===");
                System.out.println("1. Login");
                System.out.println("2. Registrasi");
                System.out.println("0. Keluar");
                System.out.print("Pilihan: ");
                
                String choice = input.readLine();
                switch (choice) {
                    case "1": login(); break;
                    case "2": register(); break;
                    case "0": 
                        System.out.println("Bye!"); 
                        System.exit(0); 
                        break;
                    default: System.out.println("Pilihan salah.");
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    static void register() {
        try {
            System.out.println("\n--- REGISTRASI ---");
            System.out.print("Username: ");
            String username = input.readLine();
            System.out.print("Email: ");
            String emailRaw = input.readLine();
            System.out.print("Password: ");
            String password = input.readLine();

            String finalEmail = emailRaw;
            String role = "user";

            // Fitur Regex & Domain Swap
            if (Pattern.matches(".*@game\\.adminregist\\.com", emailRaw)) { //Cek registrasi admin dan ganti ke email khusus admin
                System.out.println("[SYSTEM] Admin Terdeteksi.");
                finalEmail = emailRaw.replace("@game.adminregist.com", "@gamecentre.com");
                role = "admin";
                System.out.println("[SYSTEM] Email Admin diubah ke: " + finalEmail);
            }

            String sql = "INSERT INTO users (username, email, password, role) VALUES (?, ?, ?, ?)";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, username);
            ps.setString(2, finalEmail);
            ps.setString(3, password);
            ps.setString(4, role);
            
            ps.executeUpdate();
            System.out.println("Registrasi Berhasil!");
        } catch (Exception e) {
            System.out.println("Gagal: " + e.getMessage());
        }
    }

    static void login() {
        try {
            System.out.println("\n--- LOGIN ---");
            System.out.print("Email: ");
            String email = input.readLine();
            System.out.print("Password: ");
            String pass = input.readLine();

            String sql = "SELECT * FROM users WHERE email = ? AND password = ?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, email);
            ps.setString(2, pass);
            ResultSet rs = ps.executeQuery();

            if (rs.next()) {
                String role = rs.getString("role");
                String username = rs.getString("username");
                int userId = rs.getInt("user_id");

                System.out.println("Login Sukses! Halo " + username);

                // Routing ke Class yang sesuai
                if (role.equals("admin")) {
                    AdminService.menuAdmin(conn, input); //Call class Admin
                } else {
                    UserService.menuUser(conn, input, userId, username); //Call class User
                }
            } else {
                System.out.println("Login Gagal!");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}