using BeWoLauncher.Extensions;
using BeWoLauncher.ServiceProxy;
using BS.SharedLauncher;
using BS.SharedLauncher.DataContract;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace BeWoLauncher
{
    public class FileEventArgs : EventArgs
    {
        public object File { get; set; }
        //public FileToDo ToDo { get; set; }
    }

    public static class UpdateFileManager
    {
        public static event EventHandler<FileEventArgs> DownloadFileEventHandler;
        public static event EventHandler<FileEventArgs> ApplyFileEventHandler;
        
        //public static BeWoProgramPackageDC UpdateData { get; set; }
        
        static UpdateFileManager()
        {

        }
        
        //public static BeWoProgramPackageDC GetLastUpdate()
        //{
        //    var last = new BeWoProgramPackageDC();

        //    last.Files = UpdatePathManager.GetApplyDirInfo().GetFiles().Select(file => new BeWoProgramFileDC(file)).ToList();

        //    return last;
        //}

        //public static void DownloadUpdateSync()
        //{
        //    var last = GetLastUpdate();

        //    UpdateData = LauncherServiceFacade.DoLauncherServiceSync(x => x.Update(last));

        //    foreach (var file in UpdateData.Files)
        //    {
        //        switch (file.ToDo)
        //        {
        //            //case FileToDo.Update:
        //            //case FileToDo.Add:
        //            //    using (var fs = new FileStream(Path.Combine(UpdatePathManager.GetDownloadPath(), file.FileName), FileMode.Create, FileAccess.Write))
        //            //    {
        //            //        fs.Write(file.FileData, 0, file.FileData.Length);
        //            //    }
        //            //    file.FileData = null;
        //            //    break;
        //            //case FileToDo.Remove:
        //            //    break;
        //            //case FileToDo.Nuthing:
        //            //    break;
        //        }

        //        DownloadFileEventHandler(null, new FileEventArgs { ToDo = file.ToDo, File = file });
        //    }
        //}

        public static async Task DownloadUpdateAsync()
        {
            throw new NotImplementedException("#98341345");
            //var last = GetLastUpdate();

            //UpdateData = LauncherServiceFacade.DoLauncherServiceSync(x => x.Update(last));

            //foreach (var file in UpdateData.Files)
            //{
            //    switch (file.ToDo)
            //    {
            //        case FileToDo.Update:
            //        case FileToDo.Add:
            //            using (var fs = new FileStream(Path.Combine(GetDownloadPath(), file.FileName), FileMode.Create, FileAccess.Write))
            //            {
            //                fs.Write(file.FileData, 0, file.FileData.Length);
            //            }
            //            file.FileData = null;
            //            break;
            //        case FileToDo.Remove:
            //            break;
            //        case FileToDo.Nuthing:
            //            break;
            //    }

            //    DownloadFileEventHandler(null, new FileEventArgs { ToDo = file.ToDo, File = file });
            //}
        }

        //public static async Task ApplyUpdate()
        //{
        //    foreach (var file in UpdateData.Files)
        //    {
        //        switch (file.ToDo)
        //        {
        //            case FileToDo.Update:
        //            case FileToDo.Add:
        //                var source = Path.Combine(UpdatePathManager.GetDownloadPath(), file.FileName);
        //                var dest = Path.Combine(UpdatePathManager.GetApplyPath(), file.FileName);
        //                File.Delete(dest);
        //                File.Copy(source, dest);
        //                break;
        //            case FileToDo.Remove:
        //                File.Delete(Path.Combine(UpdatePathManager.GetApplyPath(), file.FileName));
        //                break;
        //            case FileToDo.Nuthing:
        //                break;
        //        }
                
        //        await showDelay(50);

        //        ApplyFileEventHandler(null, new FileEventArgs { ToDo = file.ToDo, File = file });
        //    }
        //}

        private static async Task showDelay(int millisec)
        {
            if (true)
                await Task.Delay(millisec);
        }
    }
}