using InnovEnergy.Lib.Protocols.Modbus.Channels;
using InnovEnergy.Lib.Protocols.Modbus.Protocol.Frames.Accessors;

namespace InnovEnergy.Lib.Protocols.Modbus.Clients;

using Booleans = IReadOnlyCollection<Boolean>;
using UInt16s  = IReadOnlyCollection<UInt16>;

// TODO: ModbusClient = Framer(TCP/RTU) + Connection(Serial/TCP) + Encoder(binary/ascii) + quirk(+1/0)
//                                        Transport

public abstract class ModbusClient
{
    public   Byte    SlaveId { get; }

    internal Channel Channel { get; }
    internal Endian  Endian  { get; }

    // TODO: add additional functions: coils...

    public abstract MbData ReadCoils           (UInt16 readAddress,  UInt16   nValues);
    public abstract MbData ReadDiscreteInputs  (UInt16 readAddress,  UInt16   nValues);
    public abstract MbData ReadInputRegisters  (UInt16 readAddress,  UInt16   nValues);
    public abstract MbData ReadHoldingRegisters(UInt16 readAddress,  UInt16   nValues);
    public abstract UInt16 WriteCoils          (UInt16 writeAddress, Booleans coils);
    public abstract UInt16 WriteRegisters      (UInt16 writeAddress, UInt16s  values);

    public abstract MbData ReadWriteRegisters  (UInt16 readAddress,  
                                                UInt16 nbToRead, 
                                                UInt16 writeAddress, 
                                                UInt16s registersToWrite);
    
    protected ModbusClient(Channel channel, Byte slaveId, Endian endian = Endian.Little)
    {
        Channel = channel;
        SlaveId = slaveId;
        Endian  = endian;
    }
}