Task 44 TrainDispatcher

namespace IJunior
{
    public class Program
    {
        private static void Main(string[] args)
        {
            Dispatcher dispatcher = new Dispatcher();

            dispatcher.WorkAsDispatcher();
        }
    }

    public enum ConsoleCommand
    {
        AddTrain = 1,
        Exit
    }

    public class Dispatcher
    {
        private List<Train> _trains = new List<Train>();

        public void WorkAsDispatcher()
        {
            bool isWork = true;

            while (isWork)
            {
                ShowInfo();

                Console.WriteLine();
                Console.WriteLine((int)ConsoleCommand.AddTrain + ". Добавить поезд");
                Console.WriteLine((int)ConsoleCommand.Exit + ". Выход");

                if (int.TryParse(Console.ReadLine(), out int userInput))
                {
                    switch (userInput)
                    {
                        case (int)ConsoleCommand.AddTrain:
                            AddTrain();
                            break;

                        case (int)ConsoleCommand.Exit:
                            isWork = false;
                            break;

                        default:
                            Console.WriteLine("Некорректный ввод!");
                            break;
                    }
                }

                Console.ReadLine();

                Console.Clear();
            }
        }

        private void AddTrain()
        {
            Route route = AddRoute();

            if (route.StartRoute == route.EndRoute == false)
            {
                int soldTickets = SellTickets();
                List<Carriage> carriages = AddCarriages(soldTickets);

                Train train = new Train(route, soldTickets, carriages);

                _trains.Add(train);

                train.ShowInfo();
            }
            else
            {
                Console.WriteLine("Поезд в депо города " + route.EndRoute);
            }
        }

        private void ShowInfo()
        {
            Console.WriteLine("Кол-во поездов на маршрутах: " + _trains.Count);

            foreach (Train train in _trains)
            {
                Console.WriteLine(train.Route.ShowInfo() + " - " + train.SoldTickets + " билетов продано.");
            }
        }

        private List<Carriage> AddCarriages(int SoldTickets)
        {
            List<Carriage> carriages = new List<Carriage>();
            Carriage carriage = new Carriage();
            int carriagesNumber;

            if (SoldTickets % carriage.MaxPlaces == 0)
            {
                carriagesNumber = SoldTickets / carriage.MaxPlaces;
            }
            else
            {
                carriagesNumber = SoldTickets / carriage.MaxPlaces + 1;
            }

            for (int i = 0; i < carriagesNumber; i++)
            {
                carriages.Add(new Carriage());
            }

            return carriages;
        }

        private Route AddRoute()
        {
            string startRoute;
            string finishRoute;
            Route route;

            Console.WriteLine("Введите пункт отправления: ");
            startRoute = Console.ReadLine();

            Console.WriteLine("Введите пункт назанчения: ");
            finishRoute = Console.ReadLine();

            route = new Route(startRoute, finishRoute);

            return route;
        }

        private int SellTickets()
        {
            Random random = new Random();
            int lowRandomLimit = 50;
            int highRandomLimit = 400;

            int soldTickets = random.Next(lowRandomLimit, highRandomLimit);

            Console.WriteLine("На маршрут продано " + soldTickets + " билетов.");

            return soldTickets;
        }
    }

    public class Train
    {
        private List<Carriage> _carriages;

        public Train(Route route, int soldTickets, List<Carriage> carriages)
        {
            Route = route;
            SoldTickets = soldTickets;
            _carriages = carriages;
        }

        public Route Route { get; private set; }

        public int SoldTickets { get; private set; }

        public void ShowInfo()
        {
            int allPlacesNumber = _carriages.Count * _carriages.First().MaxPlaces;

            Console.WriteLine($"Поезд: {Route.ShowInfo()}, кол-во вагонов: {_carriages.Count}, пассажиров: {SoldTickets}/{allPlacesNumber}");
        }
    }

    public class Carriage
    {
        public Carriage(int maxPlaces = 40)
        {
            MaxPlaces = maxPlaces;
        }

        public int MaxPlaces { get; private set; }
    }

    public class Route
    {
        public Route(string startRoute, string endRoute)
        {
            StartRoute = startRoute;
            EndRoute = endRoute;
        }

        public string StartRoute { get; private set; }

        public string EndRoute { get; private set; }

        public string ShowInfo() => StartRoute + " - " + EndRoute;
    }
}