using System.Collections;
using Cysharp.Threading.Tasks;
using AlicizaX.Resource.Runtime;
using AlicizaX;
using UnityEngine;
using YooAsset;

namespace Unity.Startup.Procedure
{
    internal sealed class ProcedureDownloadWebFiles : StateBase<UpdateProcedureState>
    {
        protected override void OnEnter()
        {
            // GameApp.Event.Fire(this, AssetPatchStatesChangeEventArgs.Create(EPatchStates.DownloadWebFiles));
            BeginDownload().Forget();
        }


        private async UniTaskVoid BeginDownload()
        {
            var downloader = StartupSetting.Downloader;


            // 注册下载回调
            void DownloaderOnDownloadErrorCallback(DownloadErrorData data)
            {
                Log.Error($"PackagegName:{data.PackageName} FileName:{data.FileName} Error:{data.ErrorInfo}");
                SwitchState(UpdateProcedureState.ProcedureCreateDownloader);
            }

            downloader.DownloadErrorCallback = DownloaderOnDownloadErrorCallback;
            downloader.DownloadUpdateCallback = OnDownloadProgressCallback;
            downloader.BeginDownload();
            await downloader;

            // 检测下载结果
            if (downloader.Status != EOperationStatus.Succeed)
            {
                Log.Error("资源更新失败!");
                return;
            }
            SwitchState(UpdateProcedureState.ProcedurePatchDone);
        }

        private void OnDownloadProgressCallback(DownloadUpdateData data)
        {
            GameApp.Event.Fire(this, AssetDownloadProgressUpdateEventArgs.Create(data.PackageName, data.TotalDownloadCount, data.CurrentDownloadCount, data.TotalDownloadBytes, data.CurrentDownloadBytes));
        }
    }
}