using AlicizaX.Resource.Runtime;
using AlicizaX;
using UnityEngine;
using YooAsset;

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

        void CreateDownloader()
        {
            ResourceDownloaderOperation downloader = ModuleSystem.GetModule<IResourceModule>().CreateResourceDownloader();
            StartupSetting.Downloader = downloader;
            if (downloader.TotalDownloadCount == 0)
            {
                Log.Info("没有发现需要下载的资源");
                SwitchState(UpdateProcedureState.ProcedurePatchDone);
            }
            else
            {
                // 发现新更新文件后，挂起流程系统
                int totalDownloadCount = downloader.TotalDownloadCount;
                long totalDownloadBytes = downloader.TotalDownloadBytes;

                float sizeMb = totalDownloadBytes / 1048576f;
                sizeMb = Mathf.Clamp(sizeMb, 0.1f, float.MaxValue);
                string totalSizeMb = sizeMb.ToString("f1");

                Log.Info($"一共发现了{downloader.TotalDownloadCount}个资源需要更新下载,总共需要下载文件大小为:{totalSizeMb}!");

                //这里进行确认 如果要下载在进行跳转到Download
                SwitchState(UpdateProcedureState.ProcedureDownloadWebFiles);
            }
        }
    }
}