using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

public class AbilityIndexer : MonoBehaviour
{
    #region Singleton
    private static AbilityIndexer _instance;

    // Public reference to the singleton instance
    public static AbilityIndexer Instance
    {
        get
        {
            // If the instance doesn't exist, try to find it in the scene
            if (_instance == null)
            {
                _instance = FindObjectOfType<AbilityIndexer>();

                // If it's still null, create a new GameObject and add the component
                if (_instance == null)
                {
                    GameObject singletonObject = new GameObject(typeof(AbilityIndexer).Name);
                    _instance = singletonObject.AddComponent<AbilityIndexer>();
                }
            }
            return _instance;
        }
    }
    #endregion

    public List<BaseAbility> Abilities = new List<BaseAbility>();

    protected void Awake()
    {
        // Ensure there's only one instance
        if (_instance != null && _instance != this)
        {
            Destroy(gameObject);
            return;
        }

        // If this is the first instance, set it as the singleton
        _instance = this;
        DontDestroyOnLoad(gameObject);
    }

    [ContextMenu("Refresh List")]
    public void RefrehsList()
    {
        if (Abilities == null) return;

        Abilities.Clear();

        foreach (BaseAbility ability in Resources.LoadAll<BaseAbility>("Abilities"))
        {
#if UNITY_EDITOR
            if (!AssetDatabase.Contains(ability))
                continue; // Skip if not a real asset
#endif

            if (!Abilities.Contains(ability))
            {
                Abilities.Add(ability);
            }
        }
    }

    /* private void OnValidate()
     {
         if (Abilities == null) return;

         foreach (BaseAbility baseAbility in Resources.FindObjectsOfTypeAll<BaseAbility>())
         {
             if (Abilities.Contains(baseAbility)) continue;

             Abilities.Add(baseAbility);
         }
     }*/
}