namespace Pcie8586Probe.Models;

public sealed record AcquisitionConfig(
    int ChannelCount,
    InputRange InputRange,
    int ClockDivider,
    AcquisitionMode Mode,
    long FiniteSamplesPerChannel)
{
    public const double BaseSampleRateHz = 100_000_000.0;

    public double SampleRateHz => BaseSampleRateHz / ClockDivider;

    public static AcquisitionConfig Default { get; } = new(1, InputRange.PlusMinus5V, 100, AcquisitionMode.Continuous, 10_000);

    public void Validate()
    {
        if (ChannelCount is not (1 or 2 or 4 or 8))
        {
            throw new ArgumentOutOfRangeException(nameof(ChannelCount), "Channel count must be 1, 2, 4, or 8.");
        }

        if (ClockDivider < 1)
        {
            throw new ArgumentOutOfRangeException(nameof(ClockDivider), "Clock divider must be positive.");
        }

        if (Mode == AcquisitionMode.Finite && FiniteSamplesPerChannel < 1)
        {
            throw new ArgumentOutOfRangeException(nameof(FiniteSamplesPerChannel), "Finite sample count must be positive.");
        }
    }
}