namespace Swapping.Business.Common;

public class SwapOrderNoGenerator
{
    private static UInt16 Seq = 0;
    private static Object Locker = new object();

    public static string GenerateOrderNo(string stationNo)
    {
        lock (Locker)
        {
            if (Seq > 9999)
            {
                Seq = 0;
            }

            return $"{stationNo}{DateTime.Now.ToString("yyyyMMddHHmmss")}{Seq++.ToString().PadLeft(6, '0')}";
        }
    }
}