using static System.AttributeTargets;

namespace InnovEnergy.Lib.Protocols.Modbus.Reflection.Attributes;

[AttributeUsage(Field | Property)]
public class ModbusAttribute : Attribute 
{
    public UInt16   Address    { get; }
    public UInt16   Size       { get; }
    public TypeCode ModbusType { get; }

    protected ModbusAttribute(UInt16 address, TypeCode modbusType)
    {
        Address    = address;
        ModbusType = modbusType;

        Size = modbusType switch
        {
            TypeCode.Boolean => 1,
            TypeCode.Int16   => 1,
            TypeCode.UInt16  => 1,
            TypeCode.Int32   => 2,
            TypeCode.UInt32  => 2,
            TypeCode.Single  => 2,
            TypeCode.Int64   => 4,
            TypeCode.UInt64  => 4,
            TypeCode.Double  => 4,
            _ => throw new ArgumentException(nameof(modbusType))
        };

    }
}