using UnityEngine;
using FairyGUI;
using Cysharp.Threading.Tasks;

namespace ET.Client
{
	[Event(SceneType.Client)]
	public class AppStartInitFinish_CreateLoginUI: AEvent<EventType.AppStartInitFinish>
	{
		protected override async ETTask Run(Scene scene, EventType.AppStartInitFinish args)
		{
            var ass = await YooAssetProxy.LoadAssetAsync<TextAsset>("FGUI_Login_fui");
            UIPackage.AddPackage(ass.GetAssetObject<TextAsset>().bytes, "Login", LoadPackageInternalAsync);
            var view = UIPackage.CreateObject("Login", "Login").asCom;
            var preView = GRoot.inst.GetChildAt(0);
            GRoot.inst.RemoveChildren();
            GRoot.inst.AddChild(view);

            preView.Dispose();
            UIPackage.RemovePackage("CheckForResUpdate");
        }

        /// <summary>
        /// 加载资源的异步委托
        /// </summary>
        /// <param name="name">注意，这个name是FGUI内部组装的纹理全名，例如FUILogin_atlas0</param>
        /// <param name="extension"></param>
        /// <param name="type"></param>
        /// <param name="item"></param>
        private static async void LoadPackageInternalAsync(string name,
            string extension, System.Type type, PackageItem item)
        {
            var tex = await YooAssetProxy.LoadAssetAsync<Texture>($"FGUI_{name}");
            item.owner.SetItemAsset(item, tex.GetAsset<Texture>(), DestroyMethod.Unload);
        }
    }
}