using System.Diagnostics;
using System.Text;
using PixiEditor.UpdateInstaller.ViewModels;

UpdateController controller = new UpdateController();
StringBuilder log = new StringBuilder();
bool startAfterUpdate = false;

foreach (string arg in args)
{
    if (arg == "--startOnSuccess")
    {
        startAfterUpdate = true;
        log.AppendLine($"{DateTime.Now}: Found --startOnSuccess argument, will start PixiEditor after update.");
        break;
    }
}

try
{
    log.AppendLine($"{DateTime.Now}: Starting update installation...");
    controller.InstallUpdate(log);
}
catch (Exception ex)
{
    log.AppendLine($"{DateTime.Now}: Error during update installation: {ex.Message}");
    File.AppendAllText("ErrorLog.txt",
        $"Error PixiEditor.UpdateInstaller: {DateTime.Now}\n{ex.Message}\n{ex.StackTrace}\n-----\n");
}
finally
{
    try
    {
        File.WriteAllText("UpdateLog.txt", log.ToString());
    }
    catch
    {
        // probably permissions or disk full, the best we can do is to ignore this
    }

    if (startAfterUpdate)
    {
        string binaryName = OperatingSystem.IsWindows() ? "PixiEditor.exe" : "PixiEditor";
        var files = Directory.GetFiles(controller.UpdateDirectory, binaryName);
        if (files.Length > 0)
        {
            string pixiEditorExecutablePath = files[0];
            Process.Start(pixiEditorExecutablePath);
        }
        else
        {
            binaryName = OperatingSystem.IsWindows() ? "PixiEditor.Desktop.exe" : "PixiEditor.Desktop";
            files = Directory.GetFiles(controller.UpdateDirectory, binaryName);
            if (files.Length > 0)
            {
                string pixiEditorExecutablePath = files[0];
                Process.Start(pixiEditorExecutablePath);
            }
            else
            {
                Console.WriteLine("PixiEditor executable not found.");
            }
        }
    }
}