namespace QWERTYkez.ExcelProcessor;

public class NumberFormatPattern
{
    public string Format { get; }
    internal int? Id { get; private set; }

    public NumberFormatPattern(string format, ushort id = 0)
    {
        Format = format ?? throw new ArgumentNullException(nameof(format));
        if (id != 0) Id = id;
    }

    internal void Attach(ushort id) => Id = id;

    public override bool Equals(object? obj) =>
        obj is NumberFormatPattern other && Format == other.Format;

    public override int GetHashCode() => Format?.GetHashCode() ?? 0;
}