using FairyGUI;
using HotMain;
using HotMain.SHGame.Procedure;
using Launcher;
using SHFrame;
using YooAsset;

namespace HotScripts.GameLauncher.FGui.Scripts
{
    public class LauncherUI : UIBase
    {

        public UI_Launcher UIView => View as UI_Launcher;
        private long totalDownloadBytes = 0;
        
        public override void OnInit()
        {
        }

        public override void OnOpen(params object[] param)
        {
            
            //显示需要升级的大小
            ResourcePackage rawFilePackage = YooAssets.GetPackage(ProcedureInitializePackage.RawFilePackageName);
            totalDownloadBytes += rawFilePackage.CreateResourceDownloader(10, 3, 60).TotalDownloadBytes;
            ResourcePackage defaultPackage = YooAssets.GetPackage(ProcedureInitializePackage.DefaultPackageName);
            totalDownloadBytes += defaultPackage.CreateResourceDownloader(10, 3, 60).TotalDownloadBytes;

            if (totalDownloadBytes <= 0)
            {
                UIView.m_title.text = "资源已经最新";
            }
            else
            {
                UIView.m_title.text = $"需更新 {totalDownloadBytes} 字节资源";
            }
            
        }
        

        public override void AddListener()
        {

            UIView.m_downloader.onClick.Add(OnDownloader);
            
            EventUtil.AddListener(HotMainEvent.DownloaderProgressUpdate,OnDownloaderProgressUpdate);
            
        }

        public override void RemoveListener()
        {
            UIView.m_downloader.onClick.Add(OnDownloader);
            
            EventUtil.RemoveListener(HotMainEvent.DownloaderProgressUpdate,OnDownloaderProgressUpdate);
        }
        

        private void OnDownloader(EventContext context)
        {
            EventUtil.DispatchEvent(HotMainEvent.StartDownloader);
        }
        

        /// <summary>
        /// 资源更新进度
        /// </summary>
        private void OnDownloaderProgressUpdate(EventArgs eventargs)
        {
            int totalCount = (int)eventargs.args[0];
            int currentCount = (int)eventargs.args[1];
            long totalBytes = (long)eventargs.args[2];
            long currentBytes = (long)eventargs.args[3];

            if (currentBytes <= 0)
            {
                UIView.m_progress.value = 0;
            }else
            {
                UIView.m_progress.value = (currentBytes*100) / totalBytes;
            }
            UIView.m_title.text = $"文件总数：{totalCount}, 已下载文件数：{currentCount}, 下载总大小：{totalBytes}, 已下载大小：{currentBytes}";
        }

        public override void OnClose()
        {
        }

    }
}