public int Resolve(TrainSimulator simulator)
{
_trainSimulator = simulator;
var targetCarriageState = _trainSimulator.CurrentCarriage.LightIsOn;
var iterationsCount = 0;
while (true)
{
do
{
_trainSimulator.GoNextCarriage();
iterationsCount++;
} while (targetCarriageState != _trainSimulator.CurrentCarriage.LightIsOn);
Iterate(iterationsCount, () => _trainSimulator.GoPreviousCarriage());
_trainSimulator.CurrentCarriage.ToggleLight();
targetCarriageState = !targetCarriageState;
Iterate(iterationsCount, () => _trainSimulator.GoNextCarriage());
if (_trainSimulator.CurrentCarriage.LightIsOn == targetCarriageState)
{
break;
}
}
return(iterationsCount);
}
static void Main(string[] args)
{
var simulator = new TrainSimulator(CarriageCount);
var result = new TrainTaskResolver().Resolve(simulator);
Console.WriteLine($"{result}");
Console.ReadKey();
}