private TimeSpan CalculateTravelTime(TravelPlanData data)
{
int trainSpeed = Trains.Find(t => t.ID == data.TrainID).MaxSpeed;
StationConnection currentConnection = GetStationConnection(data.StartStationID, data.ArriveStationID);
int distanceFactor = 10;
int distanceInKm = currentConnection.Distance * distanceFactor;
int travelDurationInMinutes = (int)Math.Ceiling(Convert.ToDouble(distanceInKm) / trainSpeed * 60);
return(new TimeSpan().Add(TimeSpan.FromMinutes(travelDurationInMinutes)));
}
public ITravelPlanner ArriveAt(int stationId, string time)
{
if (Stations.FirstOrDefault(s => s.ID == stationId) is null)
{
throw new Exception("Can´t find this station, please choose another station");
}
TimeSpan parsedTime;
try
{
parsedTime = TimeSpan.Parse(time);
}
catch
{
throw new Exception("Invalid time format");
}
// I want to find the last spot of the travelPlanDatas list to add to it, we are adding the arrive at data
TravelPlanData workingData = travelPlanDatas[^ 1];
public void Simulate()
{
TimeSpan earliestStartTime = travelPlanDatas.Min(d => d.StartTime);
Clock.Time = earliestStartTime.Subtract(TimeSpan.FromMinutes(10));
Console.WriteLine($"Clock set to: {earliestStartTime}.");
Clock.IsPrintingTime = true;
int maxEventAmount = travelPlanDatas.Count * 2;
int eventCounter = 0;
List <StationConnection> trackSections = TrackDescription.StationConnections;
while (true)
{
TimeSpan clockTime = Clock.Time;
string timeString = clockTime.ToString(@"hh\:mm", CultureInfo.InvariantCulture);
for (int i = 0; i < travelPlanDatas.Count; i++)
{
TravelPlanData data = travelPlanDatas[i];
// ----Level crossing ----
StationConnection connectionWithCrossing = trackSections.FirstOrDefault(s => s.StartStationID == travelPlanDatas[i].StartStationID && s.ArriveStationID == travelPlanDatas[i].ArriveStationID && s.TrackParts.Contains('='));
hasLevelCrossing = connectionWithCrossing != null;
if (hasLevelCrossing)
{
// level crossing is located between two stations
levelCrossing = connectionWithCrossing.Distance * 10 / 2.0;
maxSpeed = Trains.Find(train => train.ID == data.TrainID).MaxSpeed;
currentPosition = 1.0 * (clockTime.Subtract(data.StartTime)).TotalHours * maxSpeed;
if (!TrainsNearLevelCrossing.Contains(data.TrainID) && currentPosition >= levelCrossing - border && currentPosition <= levelCrossing + border)
{
TrainsNearLevelCrossing.Add(data.TrainID); // Add a train to the TrainsNearLevelCrossing list when the train approches level crossing
}
}
// check if data HasStarted
if (!data.HasStarted && data.StartTime <= clockTime)
{
string trainName = Trains.Find(train => train.ID == data.TrainID).Name;
string stationName = Stations.Find(station => station.ID == data.StartStationID).StationName;
travelPlanDatas[i].HasStarted = true;
TimeSpan travelTime = CalculateTravelTime(data);
int timeDeviationInMinutes = GetTimeDeviationInMinutes(data.StartTime, data.ArriveTime, travelTime);
travelPlanDatas[i].TimeDeviationInMinutes = timeDeviationInMinutes;
travelPlanDatas[i].ArriveTime = data.StartTime.Add(travelTime);
eventCounter++;
string output = $"[{timeString}]: {trainName} is departing from {stationName}.";
Console.WriteLine(output);
}
else if (hasLevelCrossing && currentPosition >= levelCrossing - border && currentPosition <= levelCrossing + border && isOpen)
{
CloseLevelCrossing(timeString); // close level crossing when the train is near
}
else if (hasLevelCrossing && currentPosition > levelCrossing + border && TrainsNearLevelCrossing.Contains(data.TrainID))
{
TrainsNearLevelCrossing.Remove(data.TrainID); // when the train leaves zone near level crossing remove it from TrainsNearLevelCrossing list
if (!isOpen && TrainsNearLevelCrossing.Count() == 0) // open level crossing if there are no other trains near
{
OpenLevelCrossing(timeString);
}
}
// check if data HasArrived
else if (!data.HasArrived && data.ArriveTime <= clockTime)
{
string trainName = Trains.Find(train => train.ID == data.TrainID).Name;
string stationName = Stations.Find(station => station.ID == data.ArriveStationID).StationName;
travelPlanDatas[i].HasArrived = true;
eventCounter++;
string output = $"[{timeString}]: {trainName} is arriving at {stationName}.";
if (data.TimeDeviationInMinutes > 0)
{
output += $" The train was delayed by {data.TimeDeviationInMinutes} minutes.";
}
else if (data.TimeDeviationInMinutes < 0)
{
output += $" The train is early by {Math.Abs(data.TimeDeviationInMinutes)} minutes.";
}
Console.WriteLine(output);
}
}
if (eventCounter == maxEventAmount)
{
break;
}
Thread.Sleep(10);
}
}
