using UnityEngine;
using UnityEngine.SceneManagement;

public class SceneTracker : MonoBehaviour
{
    public static SceneTracker Instance;

    public string previousScene;

    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else if (Instance != this)
        {
            Destroy(gameObject);
        }
    }

    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
    private static void InitializeTracker()
    {
        if (Instance == null)
        {
            GameObject prefab = Resources.Load<GameObject>("SceneTracker");
            if (prefab != null)
            {
                GameObject tracker = Instantiate(prefab);
                tracker.name = "SceneTracker";
            }
            else
            {
                Debug.LogError("SceneTracker prefab not found in Resources folder!");
            }
        }
    }

    public void LoadSceneAndTrack(string sceneName)
    {
        previousScene = SceneManager.GetActiveScene().name;
        SceneManager.LoadScene(sceneName);
    }

    public void LoadPreviousScene()
    {
        if (!string.IsNullOrEmpty(previousScene))
        {
            SceneManager.LoadScene(previousScene);
        }
        else
        {
            Debug.LogWarning("No previous scene to go back to.");
        }
    }
}