using System;

​

// Модел - Клас "Автомобил"

public class Vehicle

{

    public string VIN { get; set; }

    public string Owner { get; set; }

    public string MakeAndModel { get; set; }

    public double FuelConsumption { get; set; }

​

    public Vehicle(string vin, string owner, string makeAndModel, double fuelConsumption)

    {

        VIN = vin;

        Owner = owner;

        MakeAndModel = makeAndModel;

        FuelConsumption = fuelConsumption;

    }

    public void PrintCar()

    {

        Console.WriteLine($"Car with {VIN} and Owner {Owner} with Make and Model {MakeAndModel} have stock fuel consumtion of {FuelConsumption}");

    }

}

// Модел - Клас "Пътуване"

class Trip

{

    public Vehicle Vehicle { get; set; }

    public double Distance { get; set; }

​

    public Trip(Vehicle vehicle)

    {

        Vehicle = vehicle;

        Distance = 0;

    }

​

    public double CalculateUrbanFuelConsumption() =>

        (Distance * 0.35 / 100) * (Vehicle.FuelConsumption + Vehicle.FuelConsumption * 0.35);

​

    public double CalculateRuralFuelConsumption() =>

        (Distance * 0.65 / 100) * (Vehicle.FuelConsumption * 0.65);

​

    public double CalculateTripCost()

    {

        double urbanFuelConsumed = CalculateUrbanFuelConsumption();

        double ruralFuelConsumed = CalculateRuralFuelConsumption();

        double totalFuelConsumed = urbanFuelConsumed + ruralFuelConsumed;

        double fuelPricePerLiter = 3; // Цена на литър гориво

        double tripCost = totalFuelConsumed * fuelPricePerLiter;

        tripCost = Math.Round(tripCost, 2); // Закръгляме до два десетични знака

        Vehicle.PrintCar();

        Console.WriteLine($"Изразходено гориво: {totalFuelConsumed:F2} литра.");

        Console.WriteLine($"Крайна цена за пътуването: {tripCost:C}");

        return tripCost;

    }

}

​

// Контролер

class TravelController

{

    public Vehicle Vehicle { get; set; }

    public Trip Trip { get; set; }

​

    public void SetVehicleData()

    {

        Console.WriteLine("Въведете данни за автомобила:");

        Console.Write("VIN: ");

        string vin = Console.ReadLine();

        Console.Write("Собственик: ");

        string owner = Console.ReadLine();

        Console.Write("Марка и модел: ");

        string makeAndModel = Console.ReadLine();

        Console.Write("Разход на гориво (л/100км): ");

        double fuelConsumption = double.Parse(Console.ReadLine());

​

        Vehicle = new Vehicle(vin, owner, makeAndModel, fuelConsumption);

        Trip = new Trip(Vehicle);

        Console.WriteLine("Данните за автомобила са въведени успешно.");

    }

}

​

// Изглед

class View

{ 

}

class Program

{

    static void Main(string[] args)

    {

        TravelController controller = new TravelController();

​

        while (true)

        {

            Console.WriteLine("\nМеню:");

            Console.WriteLine("1. Въвеждане на данни за автомобила");

            Console.WriteLine("2. Въвеждане на разстояние");

            Console.WriteLine("3. Изход");

​

            Console.Write("Изберете опция (1-3): ");

            int choice = int.Parse(Console.ReadLine());

​

            switch (choice)

            {

                case 1:

                    controller.SetVehicleData();

                    break;

                case 2:

                    if (controller.Vehicle == null)

                        Console.WriteLine("Моля, въведете данни за автомобила преди да продължите.");

                    else

                    {

                        Console.Write("Въведете разстояние (км): ");

                        double distance = double.Parse(Console.ReadLine());

                        controller.Trip.Distance = distance;

​

                        controller.Trip.CalculateTripCost();

                    }

                    break;

                case 3:

                    Environment.Exit(0);

                    break;

                default:

                    Console.WriteLine("Моля, въведете валиден избор.");

                    break;

            }

        }

    }

​

}

​