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EZPPClient Installer/MainWindow.xaml.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using Microsoft.Win32;
+using System.IO;
+using MessageBox = System.Windows.MessageBox;
+using System.Net;
+using System.Globalization;
+using ModernWpf.Controls;
+using System.Windows.Forms;
+
+namespace EZPPClient_Installer
+{
+  /// <summary>
+  /// Interaction logic for MainWindow.xaml
+  /// </summary>
+  public partial class MainWindow : Window
+  {
+
+    [DllImport("kernel32.dll")]
+    private static extern bool CreateSymbolicLink(string lpSymlinkFileName, string lpTargetFileName, SymbolicLink dwFlags);
+
+    private static double VERSION = 1.6;
+
+    public MainWindow()
+    {
+      InitializeComponent();
+      Init();
+    }
+
+    private async void Init()
+    {
+
+      UpdateInstallButton(false);
+
+      UpdateStatus status = await CheckForUpdates();
+
+      switch (status)
+      {
+        case UpdateStatus.UpdateFound:
+          ShowUpdateDialog();
+          return;
+        case UpdateStatus.Error:
+          return;
+      }
+
+
+      string versionString = "v" + VERSION;
+      InstallerWindow.Title = "EZPPClient Installer " + versionString.Replace(",", ".");
+
+      string osuPath = "";
+
+      UpdateInstallButton(!string.IsNullOrEmpty(osuPath));
+
+      if (!string.IsNullOrEmpty(osuPath))
+        folderTextbox.Text = osuPath;
+      else
+        await new ContentDialog()
+        {
+          Title = "Hmmm..",
+          Content = "We failed to locate your osu! Installation path, please define it manually qwq",
+          PrimaryButtonText = "Okay qwq"
+        }.ShowAsync();
+
+    }
+
+    private async Task<UpdateStatus> CheckForUpdates()
+    {
+#if !DEBUG
+      try
+      {
+        using (WebClient client = new WebClient())
+        {
+          string newVersionString = client.DownloadString("https://ez-pp.farm/static/client/installer.ver");
+          double ver = 0;
+          try
+          {
+            ver = double.Parse(newVersionString, CultureInfo.InvariantCulture);
+          }
+          catch (FormatException)
+          {
+          }
+
+          if (ver > VERSION)
+            return UpdateStatus.UpdateFound;
+        }
+      }
+      catch (WebException e)
+      {
+        ShowErrorDialog(e.Message);
+        return UpdateStatus.Error;
+      }
+#endif
+      return UpdateStatus.UpToDate;
+    }
+
+    private async void ShowErrorDialog(string error)
+    {
+      var dialog = new ContentDialog()
+      {
+        Title = "Oops...",
+        Content = "Failed to connect to the EZPPFarm Website.\n" + error,
+        PrimaryButtonText = "Exit"
+      };
+      await dialog.ShowAsync();
+      this.Close();
+    }
+
+    private async void ShowUpdateDialog()
+    {
+      var dialog = new ContentDialog()
+      {
+        Title = "New version available.",
+        Content = "Please download the latest version.",
+        PrimaryButtonText = "Download"
+      };
+      var result = await dialog.ShowAsync();
+
+      if (result == ContentDialogResult.Primary)
+      {
+        System.Diagnostics.Process.Start("https://ez-pp.farm/download");
+        ShowUpdateDialog();
+      }
+    }
+
+    private void UpdateInstallButton(bool enable)
+    {
+      InstallButton.IsEnabled = enable;
+    }
+
+    private void Install_Click(object sender, RoutedEventArgs e)
+    {
+
+    }
+
+    private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e)
+    {
+      System.Diagnostics.Process.Start("https://ez-pp.farm/");
+      e.Handled = true;
+    }
+
+    private void Browse_Click(object sender, RoutedEventArgs e)
+    {
+      using (var fbd = new FolderBrowserDialog())
+      {
+        DialogResult result = fbd.ShowDialog();
+
+        if (result == System.Windows.Forms.DialogResult.OK && !string.IsNullOrWhiteSpace(fbd.SelectedPath))
+        {
+          string[] files = Directory.GetFiles(fbd.SelectedPath, "*");
+          string[] subDirs = Directory.GetDirectories(fbd.SelectedPath, "*");
+          bool hasSongsFolder = false;
+          bool hasSkinsFolder = false;
+          bool hasOsuExecutable = false;
+          foreach(string file in files)
+          {
+            if (file.Contains("osu!.exe"))
+            {
+              hasOsuExecutable = true;
+              break;
+            }
+          }
+
+          foreach (string dir in subDirs)
+          {
+            if (dir.Contains("Songs") && !hasSongsFolder)
+              hasSongsFolder = true;
+            if (dir.Contains("Skins") && !hasSkinsFolder)
+              hasSkinsFolder = true;
+
+            if (hasSkinsFolder && hasSongsFolder)
+              break;
+          }
+
+          if (!hasSongsFolder || !hasSkinsFolder || !hasOsuExecutable)
+          {
+            new ContentDialog()
+            {
+              Title = "Hmmm..",
+              Content = "It seems like this Folder is not a osu! Installation.",
+              PrimaryButtonText = "Okay qwq"
+            }.ShowAsync();
+          }
+          else
+          {
+            folderTextbox.Text = fbd.SelectedPath;
+            UpdateInstallButton(true);
+          }
+        }
+      }
+    }
+    private enum SymbolicLink
+    {
+      File,
+      Directory
+    }
+    private enum UpdateStatus
+    {
+      UpdateFound,
+      UpToDate,
+      Error
+    }
+  }
+}