java/project/main.java

import command.*;
import controller.CrawlerController;
import repository.DataRepository;
import view.ConsoleView;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        ConsoleView view = new ConsoleView();
        DataRepository repository = new DataRepository();
        CrawlerController controller = new CrawlerController(view, repository);

        controller.start();
        Scanner scanner = new Scanner(System.in);

        while (controller.isRunning()) {
            controller.showMenu();
            try {
                String input = scanner.nextLine().trim().toLowerCase();
                Command command = parseCommand(input);
                if (command != null) {
                    command.execute(controller);
                } else {
                    view.showError("Invalid input");
                }
            } catch (Exception e) {
                view.showError("Error: " + e.getMessage());
                e.printStackTrace();
            }
        }
        scanner.close();
    }

    private static Command parseCommand(String input) {
        if (input.equals("1")) return new CrawlCommand(1);
        if (input.equals("2")) return new CrawlCommand(2);
        if (input.equals("3")) return new CrawlCommand(3);
        if (input.equals("4")) return new CrawlCommand(4);
        if (input.equals("5")) return new ListCommand();
        if (input.equals("6")) return new Command() {
            public void execute(CrawlerController controller) {
                controller.generateVisualizations();
            }
        };
        if (input.equals("h") || input.equals("help")) return new HelpCommand();
        if (input.equals("0")) return new ExitCommand();
        return null;
    }
}