using NModbus;

namespace ModbusSimulationProtocol.Data;

public class SlaveDataStore : ISlaveDataStore
{
    private readonly IPointSource<bool> _coilDiscretes;
    private readonly IPointSource<bool> _coilInputs;
    private readonly IPointSource<ushort> _holdingRegisters;
    private readonly IPointSource<ushort> _inputRegisters;

    public SlaveDataStore(
        int coilDiscreteCount,
        int coilInputCount,
        int holdingRegisterCount,
        int inputRegisterCount)
    {
        _coilDiscretes = new PointSource<bool>(coilDiscreteCount, writeable: true);
        _coilInputs = new PointSource<bool>(coilInputCount, writeable: false);
        _holdingRegisters = new PointSource<ushort>(holdingRegisterCount, writeable: true);
        _inputRegisters = new PointSource<ushort>(inputRegisterCount, writeable: false);
    }

    /// <summary>
    /// Read and Write
    /// </summary>
    public IPointSource<bool> CoilDiscretes => _coilDiscretes;

    /// <summary>
    /// Read Only
    /// </summary>
    public IPointSource<bool> CoilInputs => _coilInputs;

    /// <summary>
    /// Read and Write
    /// </summary>
    public IPointSource<ushort> HoldingRegisters => _holdingRegisters;

    /// <summary>
    /// Read Only
    /// </summary>
    public IPointSource<ushort> InputRegisters => _inputRegisters;
}