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

public class MainMenuController : MonoBehaviour
{
    private UIDocument _doc;
    private Button _playButton;
    private Button _settingsButton;
    private Button _exitButton;

    [Header("Sonidos del Menú")]
    public AudioClip hoverSound;
    public AudioClip clickSound;
    private AudioSource _audioSource;

    private void Awake()
    {
        _doc = GetComponent<UIDocument>();
        var root = _doc.rootVisualElement;

        // Forzar que el TemplateContainer raíz ocupe toda la pantalla
        root.style.flexGrow = 1;
        root.style.width = new Length(100, LengthUnit.Percent);
        root.style.height = new Length(100, LengthUnit.Percent);

        _audioSource = gameObject.AddComponent<AudioSource>();

        _playButton = root.Q<Button>("BtnPlay");
        _settingsButton = root.Q<Button>("BtnSettings");
        _exitButton = root.Q<Button>("BtnExit");

        _playButton.clicked += OnPlayClicked;
        _settingsButton.clicked += OnSettingsClicked;
        _exitButton.clicked += OnExitClicked;

        _playButton.RegisterCallback<PointerEnterEvent>(OnButtonHover);
        _settingsButton.RegisterCallback<PointerEnterEvent>(OnButtonHover);
        _exitButton.RegisterCallback<PointerEnterEvent>(OnButtonHover);
    }

    private void OnButtonHover(PointerEnterEvent evt)
    {
        if (hoverSound != null) _audioSource.PlayOneShot(hoverSound);
    }

    private void PlayClickSound()
    {
        if (clickSound != null) _audioSource.PlayOneShot(clickSound);
    }

    private void OnPlayClicked()
    {
        PlayClickSound();
        Debug.Log("Cargando SampleScene...");
        SceneManager.LoadScene("Loading");
    }

    private void OnSettingsClicked()
    {
        PlayClickSound();
        Debug.Log("Abriendo ajustes...");
    }

    private void OnExitClicked()
    {
        PlayClickSound();
        Debug.Log("Saliendo...");
        Application.Quit();
    }
}