using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

/// <summary>
/// Экран завершения первого уровня при успешном вводе кода лифта.
/// </summary>
public class LevelSuccessUI : MonoBehaviour
{
    private static LevelSuccessUI _instance;
    public static LevelSuccessUI Instance
    {
        get
        {
            if (_instance == null)
            {
                _instance = Object.FindAnyObjectByType<LevelSuccessUI>(FindObjectsInactive.Include);
            }
            return _instance;
        }
    }

    [Header("Корневая панель")]
    [SerializeField] private GameObject successPanelRoot;

    public bool IsOpen => successPanelRoot != null && successPanelRoot.activeInHierarchy;

    [Header("Кнопки")]
    [SerializeField] private Button nextLevelButton;
    [SerializeField] private Button mainMenuButton;

    private void Awake()
    {
        _instance = this;
        if (successPanelRoot == null)
            successPanelRoot = gameObject;

        if (nextLevelButton != null)
        {
            nextLevelButton.onClick.RemoveAllListeners();
            nextLevelButton.onClick.AddListener(OnNextLevelClicked);
        }

        if (mainMenuButton != null)
        {
            mainMenuButton.onClick.RemoveAllListeners();
            mainMenuButton.onClick.AddListener(OnMainMenuClicked);
        }
    }

    public void ShowSuccessScreen()
    {
        if (!gameObject.activeSelf) gameObject.SetActive(true);
        if (successPanelRoot != null)
            successPanelRoot.SetActive(true);

        Time.timeScale = 1f;
        Cursor.lockState = CursorLockMode.None;
        Cursor.visible = true;

        GameAudioSynthesizer.PlaySuccessChime();

        StopAllCoroutines();
        StartCoroutine(RoutineAutoTransition());
    }

    private System.Collections.IEnumerator RoutineAutoTransition()
    {
        yield return new WaitForSecondsRealtime(2.0f);
        OnNextLevelClicked();
    }

    public void OnNextLevelClicked()
    {
        Time.timeScale = 1f;
        SceneManager.LoadScene("Level2");
    }

    public void OnMainMenuClicked()
    {
        Time.timeScale = 1f;
        SceneManager.LoadScene("MainMenu");
    }
}