Stores

using System;
using System.Collections.Generic;

namespace Stores
{
    enum Classe
    {
        ECONOM, STANDARD, PREMIUM
    }

    enum LoyaltyProgram
    {
        BASIC, SILVER, GOLDEN
    }

    class Product
    {
        public List<string> properties = new List<string>();
        public readonly string name, type;
        public readonly int tax;
        public readonly int[,] prices = new int[2, 2];
        public readonly Classe classe;

        public Product()
        {
            Console.Write("Input the product's name: ");
            name = Console.ReadLine();

            Console.Write("Input the type: ");
            type = Console.ReadLine();

            Console.Write("Input the tax (in %): ");
            tax = Convert.ToInt32(Console.ReadLine());

            Console.Write("Input the retail client price: ");
            prices[0, 0] = Convert.ToInt32(Console.ReadLine());

            Console.Write("Input the retail corporative price: ");
            prices[0, 1] = Convert.ToInt32(Console.ReadLine());

            Console.Write("Input the wholesale client price: ");
            prices[1, 0] = Convert.ToInt32(Console.ReadLine());

            Console.Write("Input the wholesale corporative price: ");
            prices[1, 1] = Convert.ToInt32(Console.ReadLine());

            bool flag = true;
            while (flag)
            {
                Console.Write("Add some properties (add - to add a property\tstop - to stop the input):\n> ");
                switch (Console.ReadLine())
                {
                    case "add":
                        properties.Add(Console.ReadLine());
                        Console.Clear();
                        break;
                    case "stop":
                        flag = false;
                        Console.Clear();
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: there is no such action!");
                        break;
                }
            }

            flag = true;
            while (flag)
            {
                Console.Write("Input the class (1. Econom\t2. Standard\t3. Premium):\n> ");
                switch (Console.ReadLine())
                {
                    case "1":
                        classe = Classe.ECONOM;
                        flag = false;
                        break;
                    case "2":
                        classe = Classe.STANDARD;
                        flag = false;
                        break;
                    case "3":
                        classe = Classe.PREMIUM;
                        flag = false;
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: there is no such class!");
                        break;
                }
            }
        }
    }

    class Stand
    {
        public List<Product> goods = new List<Product>();

        public Stand()
        {
            bool flag = true;
            while (flag)
            {
                Console.Write("Add some goods (add - to add a product\tstop - to stop the input):\n> ");
                switch (Console.ReadLine())
                {
                    case "add":
                        goods.Add(new Product());
                        Console.Clear();
                        break;
                    case "stop":
                        flag = false;
                        Console.Clear();
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: there is no such action!");
                        break;
                }
            }
        }
    }

    class Store
    {
        private string name;
        private LoyaltyProgram loyalty;
        private static List<Stand> stands = new List<Stand>();

        public Store()
        {
            Console.Write("Input the name: ");
            name = Console.ReadLine();

            bool flag = true;
            while (flag)
            {
                Console.Write("Input the loyalty program (1. Basic\t2. Silver\t3. Golden):\n> ");
                switch (Console.ReadLine())
                {
                    case "1":
                        loyalty = LoyaltyProgram.BASIC;
                        flag = false;
                        break;
                    case "2":
                        loyalty = LoyaltyProgram.SILVER;
                        flag = false;
                        break;
                    case "3":
                        loyalty = LoyaltyProgram.GOLDEN;
                        flag = false;
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: there is no such loyalty program!");
                        break;
                }
            }

            flag = true;
            while (flag)
            {
                Console.Write("Add some stands (add - to add a stand\tstop - to stop the input):\n> ");
                switch (Console.ReadLine())
                {
                    case "add":
                        stands.Add(new Stand());
                        Console.Clear();
                        break;
                    case "stop":
                        flag = false;
                        Console.Clear();
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: there is no such action!");
                        break;
                }
            }
        }

        public void ShowInfo()
        {
            int[,,] discount = new int[3, 2, 2];
            discount[0, 0, 0] = discount[2, 0, 1] = discount[1, 1, 1] = 5;
            discount[1, 0, 0] = discount[1, 1, 0] = 7;
            discount[0, 1, 0] = discount[2, 1, 1] = 6;
            discount[0, 0, 1] = 2;
            discount[0, 1, 1] = 3;
            discount[1, 0, 1] = 4;
            discount[2, 0, 0] = 10;
            discount[2, 1, 0] = 11;
            int[] loyaltyDiscount = { 5, 10, 15 }, wholesaleDiscount = { 2, 3, 5 };

            Console.WriteLine($"Store \"{name}\":");
            Console.Write("\tLoyalty program type: ");
            switch (loyalty)
            {
                case LoyaltyProgram.BASIC:
                    Console.WriteLine("Basic");
                    break;
                case LoyaltyProgram.SILVER:
                    Console.WriteLine("Silver");
                    break;
                case LoyaltyProgram.GOLDEN:
                    Console.WriteLine("Golden");
                    break;
            }
            for (int i = 0; i < stands.Count; i++)
            {
                Console.WriteLine($"\tStand {i + 1}:");
                for (int j = 0; j < stands[i].goods.Count; j++)
                {
                    Console.WriteLine($"\t\tProduct \"{stands[i].goods[j].name}\":");
                    Console.WriteLine($"\t\t\tType: \"{stands[i].goods[j].type}\"");
                    Console.Write($"\t\t\tClass: ");
                    switch(stands[i].goods[j].classe)
                    {
                        case Classe.ECONOM:
                            Console.WriteLine("Econom");
                            break;
                        case Classe.STANDARD:
                            Console.WriteLine("Standard");
                            break;
                        case Classe.PREMIUM:
                            Console.WriteLine("Premium");
                            break;
                    }
                    Console.WriteLine("\t\t\tProperties:");
                    for (int k = 0; k < stands[i].goods[j].properties.Count; k++)
                    {
                        Console.WriteLine($"\t\t\t\tProperty {k + 1}: {stands[i].goods[j].properties[k]}");
                    }
                    Console.WriteLine("\t\t\tPrice:");
                    Console.WriteLine("\t\t\t\tRetail:");
                    Console.WriteLine($"\t\t\t\t\tClient: {stands[i].goods[j].prices[0, 0] * (100 + stands[i].goods[j].tax) / 100 * (100 - discount[(int)stands[i].goods[j].classe, 0, 0]) / 100 * (100 - loyaltyDiscount[(int)loyalty]) / 100}");

                    Console.WriteLine($"\t\t\t\t\tCorporative: {stands[i].goods[j].prices[0, 1] * (100 + stands[i].goods[j].tax) / 100 * (100 - discount[(int)stands[i].goods[j].classe, 0, 1]) / 100 * (100 - loyaltyDiscount[(int)loyalty]) / 100}");

                    Console.WriteLine("\t\t\t\tWholesale:");
                    Console.WriteLine($"\t\t\t\t\tClient: ");
                    for (int k = 0; k < 3; k++)
                    {
                        Console.WriteLine($"\t\t\t\t\t\t{Math.Pow(10, k + 1)}: {stands[i].goods[j].prices[1, 0] * (100 + stands[i].goods[j].tax) / 100 * (100 - discount[(int)stands[i].goods[j].classe, 1, 0]) / 100 * (100 - loyaltyDiscount[(int)loyalty]) / 100 * (100 - wholesaleDiscount[k]) / 100}");
                    }

                    Console.WriteLine($"\t\t\t\t\tCorporative: ");
                    for (int k = 0; k < 3; k++)
                    {
                        Console.WriteLine($"\t\t\t\t\t\t{Math.Pow(10, k + 1)}: {stands[i].goods[j].prices[1, 1] * (100 + stands[i].goods[j].tax) / 100 * (100 - discount[(int)stands[i].goods[j].classe, 1, 1]) / 100 * (100 - loyaltyDiscount[(int)loyalty]) / 100 * (100 - wholesaleDiscount[k]) / 100}");
                    }
                }
            }
            Console.WriteLine("Press any key to continue...");
            Console.ReadKey();
        }
    }

    class Program
    {
        private static List<Store> stores = new List<Store>();

        static void Main(string[] args)
        {
            Console.Title = "Stores";
            while (true)
            {
                CallInterface();
                switch (Console.ReadLine())
                {
                    case "1":
                        stores.Add(new Store());
                        Console.Clear();
                        break;
                    case "2":
                        if (stores.Count > 0)
                        {
                            for (int i = 0; i < stores.Count; i++)
                            {
                                stores[i].ShowInfo();
                            }
                            Console.Clear();
                        }
                        else
                        {
                            Console.Clear();
                            Console.WriteLine("Error: There is no data!");
                        }
                        break;
                    case "quit":
                        Environment.Exit(0);
                        break;
                    default:
                        Console.Clear();
                        Console.WriteLine("Error: Unknown command!");
                        break;
                }
            }
        }

        static void CallInterface()
        {
            string[] allActions = { "1. Add a store", "2. Show all the info" };
            void DrawBorder()
            {
                for (int i = 0; i < Console.WindowWidth; i++)
                {
                    Console.Write("=");
                }
            }
            void NewLine()
            {
                Console.Write("|");
                for (int i = 0; i < Console.WindowWidth - 2; i++)
                {
                    Console.Write(" ");
                }
                Console.Write("|");
            }
            void AddActions(string[] actions)
            {
                for (int i = 0; i < actions.Length; i++)
                {
                    Console.Write($"| {actions[i]}");
                    for (int j = 0; j < Console.WindowWidth - actions[i].Length - 3; j++)
                    {
                        Console.Write(" ");
                    }
                    Console.Write("|");
                    NewLine();
                }
            }

            DrawBorder();
            NewLine();
            AddActions(allActions);
            DrawBorder();
            Console.Write("{0, 82}", "quit - exit from the interface\n> ");
        }
    }
}