using System.Collections.Generic;
using System.Threading;
using FairyGUI;
using UnityEngine;
using UnityEngine.U2D;

namespace ET
{
    public class FUIGLoader : GLoader
    {
        private Dictionary<NTexture, Sprite> Texture_Sprite_Dict = new();
        protected override void LoadExternal()
        {
            // 加载图集中的图片规则为：图集名[图片名]
            // 例如：BuildingAtlas[Build_1001]
            var url = this.url;

            Sprite sprite = YooAssetComponent.Instance.LoadAssetSync<Sprite>(url);
            if (sprite == null)
            {
                Log.Error("can't load sprite " + url);
                this.onExternalLoadFailed();
                return;
            }

            var tex = new NTexture(sprite);
            this.Texture_Sprite_Dict.Add(tex, sprite);
            this.onExternalLoadSuccess(tex);
            
        }

        protected override void FreeExternal(NTexture texture)
        {
            if (this.Texture_Sprite_Dict.TryGetValue(texture, out Sprite sprite))
            {
                YooAssetComponent.Instance.Release(sprite);
                this.Texture_Sprite_Dict.Remove(texture);
            }
        }
    }
}