using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var cart = new List<Item>();

        var shop = new ConsignmentShop();

        shop.ShowMenu(cart);

    }

    public class Vendor

    {

        public string FirstName { get; set; }

        public string LastName { get; set; }

        public decimal Commission { get; set; }

        public decimal PaymentDue { get; set; }

        public override string ToString() { return $"{FirstName} {LastName}"; }

    }

​

    public class Item

    {

        public string Name { get; set; }

        public string Description { get; set; }

        public decimal Price { get; set; }

        public bool IsSold { get; set; }

        public bool IsPaymentDone { get; set; }

        public Vendor Vendor { get; set; }

        public int Stock { get; set; }

        public override string ToString() { return $"{Name} {Price}"; }

    }

    public class Store

    {

        public string Name { get; set; }

        public string City { get; set; }

        public string ZipCode { get; set; }

        public string Country { get; set; }

        public string Address1 { get; set; }

        public string Address2 { get; set; }

        public List<Vendor> Vendors { get; private set; }

        public List<Item> Items { get; private set; }

​

        public Store()

        {

            Vendors = new List<Vendor>();

            Items = new List<Item>();

        }

        public void AddVendor(Vendor vendor)

        {

            Vendors.Add(vendor);

        }

        public void AddItem(Item item)

        {

            Items.Add(item);

        }

    }

    public class ConsignmentShop

    {

        public Store Store { get; set; }

        public ConsignmentShop()

        {

            Seed();

        }

        public void ShowMenu(List<Item> cart)

        {

            // a: add item to cart (itemIndex, numberOfItems), then read an other line where the parameters are 

            // l: list the items in the cart

            // o: order the items in the cart and calculate the price

            // x: leave the menu        

            //

            // Write these commands to the console, then read an input from the user and check the input.

            // If the input is a valid command process it, otherwise write error message.

            // Finally read an other input.

            Console.WriteLine("Let's start here.");

        }

        public void Seed()

        {

            Store = new Store { Name = "Cool Store" };

            Store.AddVendor(new Vendor { FirstName = "Vladimir", LastName = "Gerasimenok", Commission = 0.2m, PaymentDue = 0 });

            Store.AddVendor(new Vendor { FirstName = "Raja", LastName = "Mani", Commission = 0.3m, PaymentDue = 0 });

            Store.AddItem(new Item { Name = "C# in a Nutshell", Description = "A book from O'Reiley", Price = 50.0m, IsSold = false, IsPaymentDone = false, Vendor = Store.Vendors[0], Stock = 10 });

            Store.AddItem(new Item { Name = "Apple AirPods", Description = "Headphones from Apple", Price = 250.0m, IsSold = false, IsPaymentDone = false, Vendor = Store.Vendors[1], Stock = 5 });

            Store.AddItem(new Item { Name = "Samsung Galyx S20+", Description = "Samsung phone", Price = 1200.0m, IsSold = false, IsPaymentDone = false, Vendor = Store.Vendors[0], Stock = 3 });

            Store.AddItem(new Item { Name = "iMac 2011", Description = "A computer from Apple", Price = 575.0m, IsSold = false, IsPaymentDone = false, Vendor = Store.Vendors[1], Stock = 2 });

            Store.AddItem(new Item { Name = "AOC AG352UCG", Description = "AOC Ultrawide monitor", Price = 790.0m, IsSold = false, IsPaymentDone = false, Vendor = Store.Vendors[0], Stock = 5 });

        }

    }

}