using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls;
using HeuristicLab.BackgroundProcessing;
using System.Windows;
using HeuristicLab.MainForm.WPF;
using HeuristicLab.MainForm;
using System.IO;

namespace HeuristicLab.OKB.Cockpit.Admin {
  public class PersistenceHacker {

    public static void Upload(OKBData.EntityType type, int id) {
      Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog() {
        FileName = "Entity",
        DefaultExt = ".zip",
        Filter = "Zip Files (HL 3.3) (.zip)|*.zip|GZip Files (HL 2.5) (*.gz)|*.gz",
        CheckFileExists = true,
        CheckPathExists = true,
      };
      if (dlg.ShowDialog() != true)
        return;
      var saver = new ObservableBackgroundWorker("uploading implementation");
      saver.DoWork += (s, a) => {
        var stream = new FileStream(dlg.FileName, FileMode.Open, FileAccess.Read);
        byte[] data = new byte[stream.Length];
        stream.Read(data, 0, (int)stream.Length);
        stream.Close();
        new DataClientHelper(saver, a).Save(type, id, data);
      };
      saver.RunWorkerAsync();
    }

    public static void Download(OKBData.EntityType type, int id) {
      var loader = new ObservableBackgroundWorker("downloading implementation");
      byte[] data = null;
      loader.DoWork += (s, a) => {
        data = new DataClientHelper(loader, a).Load(type, id);
      };
      loader.RunWorkerCompleted += (s, a) => {
        if (data == null)
          return;
        Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog() {
          FileName = "Entity",
          DefaultExt = ".zip",
          Filter = "Zip Files (HL 3.3) (.zip)|*.zip|GZip Files (HL 2.5)|*.gz",
          OverwritePrompt = true,
          CheckPathExists = true,
        };
        if (dlg.ShowDialog() != true)
          return;
        var stream = new FileStream(dlg.FileName, FileMode.Create);
        stream.Write(data, 0, data.Length);
        stream.Close();
      };
      loader.RunWorkerAsync();
    }
  }
}