using System;

using System.Collections.Generic;

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public class Program

{

    public static void Main()

    {

       ConsignmentShop();

    }

}

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public class Item

{

    public string Name { get; set; }

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    public string Description { get; set; }

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    public decimal Price { get; set; }

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    public bool IsSold { get; set; }

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    public bool IsPaymentDone { get; set; }

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    public Vendor Vendor { get; set; }

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    public int Stock { get; set; }

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    public override string ToString()

    {

        return Name + Convert.ToString(Price);

    }

}

​

public class Vendor

{

    public string FirstName { get; set; }

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    public string LastName { get; set; }

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    public decimal Commission { get; set; }

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    public decimal PaymentDue { get; set; }

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    public override string ToString()

    {

        return FirstName + LastName;

    }

}

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public class Store

{

    public string Name { get; set; }

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    public string City { get; set; }

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    public string ZipCode { get; set; }

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    public string Country { get; set; }

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    public string Address1 { get; set; }

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    public string Address2 { get; set; }

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

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

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    public Store()

    {

        Items = new List<Item>();

        Vendors = new List <Vendor>();

    }

    public void AddVendor(Vendor vendor)

    {

        Vendors.Add(vendor);

    }

    public void AddItem(Item item)

    {

        Items.Add(item);

    }

}

public class ConsignmentShop

{

    private List<KeyValuePair<Item, int>> ItemsinShoppingCart{get; set;}

    private Store store{get; set;}

    public ConsignmentShop()

    {

      ItemsinShoppingCart = new List<KeyValuePair<Item, int>>();

      SetUpStore();

    }

    private void SetUpStore()

    {

        this.store = new Store{Name = "Cool Store"}; 

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

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

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

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

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

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

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

    }

    public void ShowMenu()

    {

        Console.Write("Welcome to" + this.store.Name);

        int count=1;

        for(int i=0; i<this.store.Items.Count; i++)

        {

            Console.WriteLine(count + "." + this.store.Items[i]);

            count++;

        }

    }

}

​

​

​