using UnityEngine;

namespace ShrinkDataSaver
{
    [CreateAssetMenu(fileName = "ShrinkDataSaverSettings", menuName = "ShrinkSDK/存档/存档设置")]
    public class ShrinkDataSaverSettings : ScriptableObject
    {
        public const string PreferredResourcesPath =
            "GameAssets/Runtime/Data/ShrinkSDK/ShrinkDataSaverSettings";
        public const string LegacyResourcesPath = "ShrinkDataSaverSettings";

        private static ShrinkDataSaverSettings _instance;

        public static ShrinkDataSaverSettings Instance
        {
            get
            {
                if (_instance) return _instance;

                _instance = Resources.Load<ShrinkDataSaverSettings>(PreferredResourcesPath);
                if (!_instance)
                    _instance = Resources.Load<ShrinkDataSaverSettings>(LegacyResourcesPath);

#if UNITY_EDITOR
                if (!_instance)
                {
                    var guids = UnityEditor.AssetDatabase.FindAssets("t:ShrinkDataSaverSettings");
                    if (guids.Length > 0)
                    {
                        var path = UnityEditor.AssetDatabase.GUIDToAssetPath(guids[0]);
                        _instance = UnityEditor.AssetDatabase.LoadAssetAtPath<ShrinkDataSaverSettings>(path);
                    }
                }
#endif

                if (!_instance)
                {
                    _instance = CreateInstance<ShrinkDataSaverSettings>();
                    Debug.LogWarning(
                        "[ShrinkDataSaver] 未找到 ShrinkDataSaverSettings 配置文件！当前使用默认配置。\n" +
                        "请通过菜单 Assets → Create → ShrinkDataSaver → Settings 创建配置文件，\n" +
                        "可放置在项目任意目录下（编辑器会自动搜索），或在 ShrinkDataSaverBootstrap 组件上手动指定。");
                }

                return _instance;
            }
            internal set => _instance = value;
        }

        internal static void ResetCachedInstance()
        {
            _instance = null;
        }

        [Header("Storage")]
        public string customSavePath = "";

        [Header("Settings File")]
        public string settingsFileName = "settings.json";
        public bool syncSettingsToCloud; //todo

        [Header("Save Slots")]
        public int maxSlots;
        public string saveFileExtension = ".sav";

        [Header("Screenshot")]
        public int screenshotMaxWidth = 256;

        [Header("Settings Debounce")]
        public float settingsWriteDebounceSeconds = 0.3f;
    }
}