using FxpConvert.Common;

namespace NIFPGA
{
    public sealed class FPGAFXPWriteProperty: FPGABaseProperty
    {
        Interop.NiFpgaDll_ReadU64 Read;
        Interop.NiFpgaDll_WriteU64 Write;
        private NiFpga_FxpTypeInfo _TypeInfo;
        private IFxpConvert _Convert;
        internal FPGAFXPWriteProperty(FPGASession session, uint indicator,NiFpga_FxpTypeInfo typeInfo,IFxpConvert convert) : base(session, indicator,false)
        {
            _TypeInfo = typeInfo;
            _Convert = convert;
            Read = _Session.GetDelegate<Interop.NiFpgaDll_ReadU64>();
            Write = _Session.GetDelegate<Interop.NiFpgaDll_WriteU64>();
        }
        private double GetValue()
        {
            ulong value = 0;
            double temp = 0;
            _Session.CheckResult(Read(_Session.Session, Indicator, ref value));
            _Convert.FxpConvertToDouble (ref value, _TypeInfo, ref temp, 1);
            return temp;
        }
        private void SetValue(double value)
        {
            ulong temp = 0;
            _Convert.DoubleConvertToDxp(ref value, _TypeInfo, ref temp, 1);
            _Session.CheckResult(Write(_Session.Session, Indicator, temp));
        }
        public double Value { get => GetValue(); set => SetValue(value); }
    }
}