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

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

            var preView = GRoot.inst.GetChildAt(0);
            GRoot.inst.RemoveChild(preView, true);
            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);
        }


        private void InitLogin(Scene scene, GComponent view)
        {
            var account = view.GetChild("input_name");
            var password = view.GetChild("input_password");
            var btn = view.GetChild("Btn_Login");
            btn.onClick.Add(() =>
            {
                view.GetChild("img_tips").visible = false;
                view.GetChild("txt_tips").visible = false;

                btn.enabled = false;
                LoginHelper.Login(scene, account.text, password.text).Coroutine();
            });
        }
    }
}