using System;
using System.Text;
using Viveport.Internal;

namespace Viveport
{
	public class DLC
	{
		private static Viveport.Internal.StatusCallback isDlcReadyIl2cppCallback;

		private const int AppIdLength = 37;

		[MonoPInvokeCallback(typeof(Viveport.Internal.StatusCallback))]
		private static void IsDlcReadyIl2cppCallback(int errorCode)
		{
			isDlcReadyIl2cppCallback(errorCode);
		}

		public static int IsDlcReady(StatusCallback callback)
		{
			if (callback == null)
			{
				throw new InvalidOperationException("callback == null");
			}
			isDlcReadyIl2cppCallback = callback.Invoke;
			Api.InternalStatusCallbacks.Add(IsDlcReadyIl2cppCallback);
			if (IntPtr.Size == 8)
			{
				return Viveport.Internal.DLC.IsReady_64(IsDlcReadyIl2cppCallback);
			}
			return Viveport.Internal.DLC.IsReady(IsDlcReadyIl2cppCallback);
		}

		public static int GetCount()
		{
			if (IntPtr.Size == 8)
			{
				return Viveport.Internal.DLC.GetCount_64();
			}
			return Viveport.Internal.DLC.GetCount();
		}

		public static bool GetIsAvailable(int index, out string appId, out bool isAvailable)
		{
			bool flag = false;
			StringBuilder stringBuilder = new StringBuilder(37);
			flag = ((IntPtr.Size != 8) ? Viveport.Internal.DLC.GetIsAvailable(index, stringBuilder, out isAvailable) : Viveport.Internal.DLC.GetIsAvailable_64(index, stringBuilder, out isAvailable));
			appId = stringBuilder.ToString();
			return flag;
		}

		public static int IsSubscribed()
		{
			if (IntPtr.Size == 8)
			{
				return Viveport.Internal.DLC.IsSubscribed_64();
			}
			return Viveport.Internal.DLC.IsSubscribed();
		}
	}
}