using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

          var stops = new List<TransportPlanStopStatus>

        {

            TransportPlanStopStatus.Completed,

            TransportPlanStopStatus.Completed,

            TransportPlanStopStatus.Completed,

            TransportPlanStopStatus.Enroute

        };

​

        // Aggregate all stop statuses using bitwise OR

        TransportPlanStopStatus aggregatedStatus = stops.Aggregate(TransportPlanStopStatus.UNKNOWN, (x, y) => x | y);

        Console.WriteLine((int)(aggregatedStatus));

        Console.WriteLine(aggregatedStatus.HasFlag(TransportPlanStopStatus.Started | TransportPlanStopStatus.Enroute | TransportPlanStopStatus.Arrived));

​

        // Determine the live journey status using bitwise checks

        var liveStatus = aggregatedStatus.HasFlag(TransportPlanStopStatus.Failed)

            ? aggregatedStatus.HasFlag(TransportPlanStopStatus.Started | TransportPlanStopStatus.Enroute | TransportPlanStopStatus.Arrived)

                ? LiveJourneyStatus.InProgressWithFailures

                : LiveJourneyStatus.CompletedWithFailures

            : aggregatedStatus.HasFlag(TransportPlanStopStatus.Started | TransportPlanStopStatus.Enroute | TransportPlanStopStatus.Arrived)

                ? LiveJourneyStatus.InProgress

                : aggregatedStatus == (TransportPlanStopStatus.Completed | TransportPlanStopStatus.UNKNOWN)

                    ? LiveJourneyStatus.Completed

                    : LiveJourneyStatus.NotStarted;

​

        Console.WriteLine($"The live journey status is: {liveStatus}");

    }

}

​

[Flags]

public enum TransportPlanStopStatus

{

    UNKNOWN = 0,

    NotStarted = 1 << 0,

    Started = 1 << 1,

    Enroute = 1 << 2,

    Arrived = 1 << 3,

    Completed = 1 << 4,

    Failed = 1 << 5,

}

​

public enum LiveJourneyStatus

{

    NotStarted,

    InProgress,

    InProgressWithFailures,

    Completed,

    CompletedWithFailures,

}