using Sirenix.OdinInspector;
using SLSUtilities.General;
using UnityEngine;

namespace Cielonos.Core
{
    public partial class BaseCollection<T> : SerializedScriptableObject where T : BaseCollection<T>
    {
        private static T _instance;

        public static T Instance
        {
            get
            {
                string type = typeof(T).Name;
                if (_instance == null)
                {
                    string path = $"BaseCollections/{type}";
                    _instance = Resources.Load<T>(path);
                }
#if UNITY_EDITOR
                if (_instance == null)
                {
                    string[] guids = UnityEditor.AssetDatabase.FindAssets($"t:{type}");
                    if (guids.Length > 0)
                    {
                        string path = UnityEditor.AssetDatabase.GUIDToAssetPath(guids[0]);
                        _instance = UnityEditor.AssetDatabase.LoadAssetAtPath<T>(path);
                    }
                }
#endif
                if (_instance == null)
                {
                    Debug.LogError($"项目中没有找到类型为 {typeof(T).Name} 的 BaseCollection。" +
                                   $"请确保已创建该 ScriptableObject 并将其放置在 Resources 文件夹中。");
                }

                return _instance;
            }
        }
    }
}