using System;
using BizHawk.Emulation.Common;

namespace BizHawk.Emulation.Cores.Nintendo.SubNESHawk
{
	public partial class SubNESHawk : ISaveRam
	{
		public bool SaveRamModified
		{
			get
			{
				if (subnes.Board == null) return false;
				if (subnes.Board is NES.FDS) return true;
				if (subnes.Board.SaveRam == null) return false;
				return true;
			}
		}

		public byte[] CloneSaveRam()
		{
			if (subnes.Board is NES.FDS fds)
			{
				return fds.ReadSaveRam();
			}

			return (byte[]) subnes.Board?.SaveRam?.Clone();
		}

		public void StoreSaveRam(byte[] data)
		{
			if (subnes.Board is NES.FDS fds)
			{
				fds.StoreSaveRam(data);
				return;
			}

			if (subnes.Board?.SaveRam == null)
			{
				return;
			}

			Array.Copy(data, subnes.Board.SaveRam, data.Length);
		}
	}
}