CarService

using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            CarService carService = new CarService();
            Car car = new Car();
            bool isOpen = true;

            Console.WriteLine("Добро пожаловать в автосервис");

            while (isOpen)
            {
                Console.WriteLine("Выберите команду");
                Console.WriteLine("1 - Автосервис\n" + "0 - Выход из программы\n");
                int userInput = Convert.ToInt32(Console.ReadLine());
                Console.Clear();

                switch (userInput)
                {
                    case 1:
                        Detail brokenDetail = car.GetBrokenDetail();
                        float priceForRepair = carService.GetRepairPrice(brokenDetail);
                        Console.WriteLine("Цена починки автомобиля " + priceForRepair + "\n");
                        carService.CheckMoneyBalance();

                        Console.WriteLine("Выберите какую деталь машины заменить");
                        car.ShowDetailsInfo();
                        int userIndex = Convert.ToInt32(Console.ReadLine()) - 1;
                        bool isRepaired = carService.IsDetailRepaired(car.GetDetail(userIndex));

                        if (isRepaired == true)
                        {
                            if (brokenDetail == car.GetDetail(userIndex))
                            {
                                carService.Checklist();
                            }
                            else
                            {
                                Console.WriteLine("\nВы заменили не ту деталь\nАвтосервис должен возместить ущерб клиенту");
                                carService.PayForDamage();
                            }
                        }
                        break;
                    case 0:
                        isOpen = false;
                        break;
                    default:
                        Console.WriteLine("Недопустимое значение");
                        break;
                }
            }
        }
    }

    class Car
    {
        private Random _random = new Random();

        private Detail[] _details = new Detail[]
        {
            new Motor(), new Suspension(), new Battery(), new Wheel(), new Shaft()
        };

        public void ShowDetailsInfo()
        {
            for (int i = 0; i < _details.Length; i++)
            {
                Console.WriteLine(i + 1 + ") " + _details[i].Name);
            }
        }

        public Detail GetDetail(int index)
        {
            return _details[index];
        }


        public Detail GetBrokenDetail()
        {
            int index = _random.Next(0, _details.Length);
            Console.WriteLine("У автомобиля сломался(сь): " + _details[index].Name);

            return _details[index];
        }
    }

    class CarService
    {
        private Warehouse _warehouse = new Warehouse();
        private float _money = 5000f;
        private int _fine = 1000;
        private float _priceForRepair;

        public float GetRepairPrice(Detail brokenDetail)
        {
            _priceForRepair = brokenDetail.Price + brokenDetail.Price / 2f;
            return _priceForRepair;
        }

        public bool IsDetailRepaired(Detail brokenDetail)
        {
            bool isFind = false;

            for (int i = 0; i < _warehouse.GetDetails().Length; i++)
            {
                if (_warehouse.GetDetails()[i].Name == brokenDetail.Name)
                {
                    _warehouse.DeleteDetail(i);
                    Console.WriteLine("\nДеталь заменена");
                    isFind = true;
                    break;
                }
            }

            if (isFind == false)
            {
                Console.WriteLine("\nДетали нет на складе\nАвтосервис должен выплатить штраф");
                PayFine();
            }

            return isFind;
        }

        public void PayForDamage()
        {
            Console.WriteLine("Оплата ущерба " + _priceForRepair);
            _money -= _priceForRepair;
            CheckMoneyBalance();
        }

        private void PayFine()
        {
            Console.WriteLine("Оплата штрафа " + _fine);
            _money -= _fine;
            CheckMoneyBalance();
        }

        public void Checklist()
        {
            Console.WriteLine("Выплата за ремонт " + _priceForRepair);
            _money += _priceForRepair;
            CheckMoneyBalance();
        }

        public void CheckMoneyBalance()
        {
            if(_money <= 0)
            {
                _money = 0;
            }

            Console.WriteLine("Баланс денег автосервиса " + _money + "\n");
        }
    }

    class Warehouse
    {
        private Car car = new Car();
        private Detail[] _details = new Detail[]
        {
            new Motor(), new Motor(), new Motor(),
            new Suspension(),
            new Battery(), new Battery(), new Battery(),
            new Wheel(), new Wheel(), new Wheel(), new Wheel(),
            new Shaft(), new Shaft()
        };

        public Detail[] GetDetails()
        {
            return (Detail[])_details.Clone();
        }


        public void DeleteDetail(int index)
        {
            Detail[] tempArray = new Detail[_details.Length - 1];

            for (int i = 0; i < index; i++)
            {
                tempArray[i] = _details[i];
            }

            for (int i = index; i < tempArray.Length; i++)
            {
                tempArray[i] = _details[i + 1];
            }
            _details = tempArray;
        }
    }

    abstract class Detail
    {
        public string Name { get; protected set; }
        public int Price { get; protected set; }
    }

    class Motor : Detail
    {
        public Motor() : base()
        {
            Name = "Мотор";
            Price = 1500;
        }
    }

    class Suspension : Detail
    {
        public Suspension() : base()
        {
            Name = "Подвеска";
            Price = 2000;
        }
    }

    class Battery : Detail
    {
        public Battery() : base()
        {
            Name = "Аккумулятор";
            Price = 200;
        }
    }

    class Wheel : Detail
    {
        public Wheel() : base()
        {
            Name = "Колесо";
            Price = 100;
        }
    }

    class Shaft : Detail
    {
        public Shaft() : base()
        {
            Name = "Вал";
            Price = 250;
        }
    }
}