using Cysharp.Threading.Tasks;
using YooAsset;

namespace Tuan.GameFramework
{
    public class MainOperation
    {
        PatchOperationData data;
        PatchOperation operation;
        bool autoDownload;
        public MainOperation(EPlayMode playMode, bool autoDownload = false)
        {
            data = new PatchOperationData();
            data.packageName = "Main";
            data.playMode = playMode;
            data.useBuildinFileSystem = false;
            data.downloadingMaxNum = 10;
            data.failedTryAgain = 3;
            data.downloadUpdate = OnDownloadUpdate;
            data.downloadFinish = OnDownloadFinish;
            data.downloadError = OnDownloadError;

            operation = new PatchOperation(data);
            this.autoDownload = autoDownload;
        }

        public async UniTask Execute()
        {
            PatchEvent.UpdateProgress(0f);
            if (!await operation.InitializePackage()) return;
            if (!await operation.RequestPackageVersion()) return;
            if (!await operation.UpdatePackageManifest()) return;
            if (operation.CreateDownloader())
            {
                if (autoDownload)
                {
                    if (!await operation.DownloadPackageFiles()) return;
                }
                else
                {
                    if (!await operation.CheckDownloadOrSkip()) return;
                }
            }
            if (!await operation.ClearCacheBundle()) return;
            operation.SaveVersionToCache();
            YooAssets.SetDefaultPackage(operation.package);
        }
        private void OnDownloadUpdate(DownloadUpdateData downloadUpdateData)
        {
            float progress = (float)downloadUpdateData.CurrentDownloadBytes / downloadUpdateData.TotalDownloadBytes;
            string sizeText = $"{operation.FormatFileSize(downloadUpdateData.CurrentDownloadBytes)} / {operation.FormatFileSize(downloadUpdateData.TotalDownloadBytes)}";
            PatchEvent.UpdateProgress(progress);
            PatchEvent.UpdateDownloadSize(sizeText);
            PatchEvent.UpdateStatus($"{data.packageName} 资源下载中...");
        }
        private void OnDownloadFinish(DownloaderFinishData downloaderFinishData)
        {
            PatchEvent.UpdateStatus("下载完成");
        }
        private void OnDownloadError(DownloadErrorData downloadErrorData)
        {
            PatchEvent.UpdateStatus($"下载失败:{downloadErrorData.FileName}\n{downloadErrorData.ErrorInfo}");
        }
    }
}