Home work - supermarket

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Home_Work
{
    class Program
    {
        static void Main()
        {
            Supermarket supermarket = new Supermarket();
            supermarket.Work();
        }
    }

    class Supermarket
    {
        private List<Product> _assortment;
        private Queue<Client> _clients;
        private int _cash;

        public Supermarket()
        {
            _assortment = new List<Product>();
            _clients = new Queue<Client>();

            TakeDeliveryOfProducts();
            GenerateQueue();
        }

        public void Work()
        {
            while (_clients.Count > 0)
            {
                Client client = _clients.Dequeue();
                bool isPaidOfPurchase = false;

                while (isPaidOfPurchase == false)
                {
                    ShowInfo();
                    client.ShowInfo();
                    Console.WriteLine();

                    isPaidOfPurchase = TrySell(client);

                    Console.ReadKey();
                    Console.Clear();
                }
            }

            Console.WriteLine("Пока магазин работал, вы заработали " + _cash + " рублей.");
            Console.WriteLine("Вы хорошо поработали, идите домой.");
        }

        private bool TrySell(Client client)
        {
            if (client.IsEmptyBasket == true)
            {
                Console.WriteLine("Клиент отказался от всех продуктов и ушёл.");

               return true;
            }
            else if (client.IsSolvent == true)
            {
                Console.WriteLine("Клиент оплачивает покупку на " + client.Purchase + " рублей.");

                _cash += client.Buy();

                Console.WriteLine("У клиента осталось " + client.Money + " рублей.");

                return true;
            }
            else
            {
                Console.WriteLine("Клиенту не хватает денег, что бы оплатить покупку.");
                client.RemoveProductFromBasket();

                return false;
            }
        }

        private void ShowInfo()
        {
            int topPosition = 0;
            int leftPosition = 50;

            Console.SetCursorPosition(leftPosition, topPosition++);
            Console.WriteLine("В очереди " + _clients.Count + " клиентов.");

            Console.SetCursorPosition(leftPosition, topPosition);
            Console.WriteLine("В кассе " + _cash + " рублей.");
        }

        private void TakeDeliveryOfProducts()
        {
            _assortment.Add(new Product("Апельсин", 40));
            _assortment.Add(new Product("Молоко", 80));
            _assortment.Add(new Product("Пепси", 120));
            _assortment.Add(new Product("Крем для загара", 80));
            _assortment.Add(new Product("Шашлык из свинины", 100));
            _assortment.Add(new Product("Яблоко", 30));
            _assortment.Add(new Product("Гель для душа", 70));
            _assortment.Add(new Product("Творог", 60));
            _assortment.Add(new Product("Гречка", 65));
            _assortment.Add(new Product("Рис", 55));
            _assortment.Add(new Product("Сникерс", 50));
            _assortment.Add(new Product("Кит-кат", 90));
        }

        private void GenerateQueue()
        {
            int countClients = 20;

            for (int i = 0; i < countClients; i++)
            {
                _clients.Enqueue(new Client(_assortment));
            }
        }
    }

    class Client
    {
        private static Random _random;

        private List<Product> _basket;
        private int _money;
        private int _purchase;

        static Client()
        {
            _random = new Random();
        }

        public Client(List<Product> assortment)
        {
            int maxMoney = 1000;
            int minMoney = 100;

            _money = _random.Next(minMoney, maxMoney);
            _basket = new List<Product>();
            FillBasket(assortment);
        }

        public int Money => _money;
        public int Purchase => _purchase;
        public bool IsSolvent => _money >= _purchase;
        public bool IsEmptyBasket => _basket.Count <= 0;

        public void ShowInfo()
        {
            int index = 1;
            SumPurchaseBasket();
            Console.SetCursorPosition(0, 0);

            Console.WriteLine("Кол-во денег у клиента: " + _money);
            Console.WriteLine("Товары в корзине:");

            foreach (Product product in _basket)
            {
                Console.WriteLine(index + ". " + product.Name);

                index++;
            }

            Console.WriteLine("Сумма всех товаров: " + _purchase);
        }

        public void RemoveProductFromBasket()
        {
            int randomProductIndex = _random.Next(_basket.Count);

            Console.WriteLine("Клиент убрал из корзины " + _basket[randomProductIndex].Name);
            _basket.RemoveAt(randomProductIndex);
        }

        public int Buy()
        {
            _money -= _purchase;

            return _purchase;
        }

        private void SumPurchaseBasket()
        {
            _purchase = 0;

            foreach(Product product in _basket)
            {
                _purchase += product.Price;
            }
        }

        private void FillBasket(List<Product> assortment)
        {
            int minCountProduct = 3;
            int maxCountProduct = 10;


            int countProductInBacket = _random.Next(minCountProduct, maxCountProduct);

            for(int i = 0; i < countProductInBacket; i++)
            {
                _basket.Add(assortment[_random.Next(assortment.Count)]);
            }
        }
    }

    class Product
    {
        private string _name;
        private int _price;

        public Product(string name, int price)
        {
            _name = name;
            _price = price;
        }

        public string Name => _name;
        public int Price => _price;
    }
}