using System.Linq;
using System.Windows.Forms;
using Blacklight.Core;

namespace Konis.Testbed
{
    public static class Program
    {
        public const string NoVerticalSyncSwitch = "--novsync";

        // Lets a run confirm that the window comes up and the loop turns, and then close by itself.
        public const string ExitAfterFirstFrameSwitch = "--exitafterfirstframe";

        private static VerticalSyncMode GetVerticalSyncMode(string[] args)
        {
            if (args.Contains(NoVerticalSyncSwitch))
            {
                return VerticalSyncMode.Off;
            }

            return VerticalSyncMode.Driver;
        }

        private static void Main(string[] args)
        {
            GraphicsAdapterManager.Singleton.ForceStartup();

            if (!GraphicsAdapterManager.Singleton.ChooseModule(GraphicsAdapterManager.PreferredModuleFrom(args)))
            {
                MessageBox.Show("Could not locate any Blacklight graphics adapters (eg: DirectX).  Will now exit.",
                    "Critical Error");

                return;
            }

            GraphicsAdapterManager.Singleton.CurrentModule.VerticalSync = GetVerticalSyncMode(args);

            Application.Run(new Testbed { ExitAfterFirstFrame = args.Contains(ExitAfterFirstFrameSwitch) });
        }
    }
}