using JetBrains.Annotations;
using Sharp7.Rx.Enums;

namespace Sharp7.Rx;

[NoReorder]
internal class S7VariableAddress
{
    public Operand Operand { get; set; }
    public ushort DbNr { get; set; }
    public ushort Start { get; set; }
    public ushort Length { get; set; }
    public byte? Bit { get; set; }
    public DbType Type { get; set; }

    public ushort BufferLength => Type switch
    {
        DbType.String => (ushort) (Length + 2),
        DbType.WString => (ushort) (Length * 2 + 4),
        _ => Length
    };
}