using System.Collections.Generic;
using XGame.Framework.UI;

namespace FL.FGUI
{
    public static partial class UIKeys
    {
        private static Dictionary<string, UIKey> _nameToKeys;
        private static Dictionary<UIKey, UILayer> _uikeyToLayerMap;
        public static UIKey NameToKey(string uiName)
        {
            if (_nameToKeys == null)
            {
                _nameToKeys = new Dictionary<string, UIKey>();
            }
            if (_nameToKeys.TryGetValue(uiName, out UIKey key))
            {
                return key;
            }
            var property = typeof(UIKeys).GetProperty(uiName, System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.IgnoreCase);
            if (property != null)
            {
                key = property.GetValue(null) as UIKey;
                _nameToKeys.Add(uiName, key);
                return key;
            }
            XGame.Log.Error($"找不到UIKey. uiName:{uiName}");
            return default;
        }
        public static UILayer GetLayer(UIKey uikey)
        {
            if (_uikeyToLayerMap == null)
            {
                _uikeyToLayerMap = new Dictionary<UIKey, UILayer>();
            }
            if (_uikeyToLayerMap.TryGetValue(uikey, out var layer))
            {
                return layer;
            }
            layer = UILayer.Normal;
            var property = uikey.UIViewType.GetProperty("Layer", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.IgnoreCase);
            if (property != null)
            {
                layer = (UILayer)property.GetValue(null);
            }
            _uikeyToLayerMap.Add(uikey, layer);
            return layer;
        }
        public static void Dispose()
        {
            _nameToKeys?.Clear();
            _nameToKeys = null;
            _uikeyToLayerMap?.Clear();
            _uikeyToLayerMap = null;
        }
    }
}