using FxpConvert.Common;

namespace NIFPGA
{
    public sealed class FPGAArrayFXPWriteProperty : FPGABaseProperty
    {
        Interop.NiFpgaDll_ReadArrayU64 Read;
        Interop.NiFpgaDll_WriteArrayU64 Write;
        private NiFpga_FxpTypeInfo _TypeInfo;
        private IFxpConvert _Convert;
        private ulong[] tempvalue = new ulong[0];
        private float[] doubles = new float[0];
        internal FPGAArrayFXPWriteProperty(FPGASession session, uint indicator, uint count,NiFpga_FxpTypeInfo typeInfo, IFxpConvert convert) : base(session, indicator,false)
        {
            _Convert = convert;
            Count = count;
            tempvalue = new ulong[count];
            doubles = new float[count];
            _TypeInfo = typeInfo;
            Read = _Session.GetDelegate<Interop.NiFpgaDll_ReadArrayU64>();
            Write = _Session.GetDelegate<Interop.NiFpgaDll_WriteArrayU64>();
        }
        private float[] GetData()
        {
            _Session.CheckResult(Read(_Session.Session, Indicator, ref tempvalue[0], Count));
            _Convert.FxpConvertToFloat(ref tempvalue[0], _TypeInfo, ref doubles[0], Count);
            return doubles;
        }
        private void SetData(float[] values)
        {
            if (values.Length != Count) return;
            _Convert.FloatConvertToDxp(ref values[0], _TypeInfo, ref tempvalue[0], Count);
            _Session.CheckResult(Write(_Session.Session,Indicator, ref tempvalue[0], Count));
        }
        public uint Count { get; }
        public float[] Value { get => GetData(); set => SetData(value); }
    }
}