using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UIElements;

public class MainMenuController : MonoBehaviour
{
    [SerializeField] private string startSceneName = "Level1";
    private UIDocument uiDocument;
    private Button startButton;

    private void OnEnable()
    {
        uiDocument ??= GetComponent<UIDocument>();
        if (uiDocument == null)
        {
            return;
        }

        var root = uiDocument.rootVisualElement;
        if (root == null)
        {
            return;
        }

        startButton = root.Q<Button>("Start");
        if (startButton == null)
        {
            return;
        }

        startButton.clicked += HandleStartClicked;
    }

    private void OnDisable()
    {
        if (startButton != null)
        {
            startButton.clicked -= HandleStartClicked;
            startButton = null;
        }
    }

    private void HandleStartClicked()
    {
        if (!string.IsNullOrWhiteSpace(startSceneName))
        {
            SceneManager.LoadScene(startSceneName);
        }
    }
}