using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        ConsignmentShop consignmentShop = new ConsignmentShop();

        consignmentShop.ShowMenu();

    }

}

​

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 : " + this.Name + "Price : $" + this.Price;

    }

}

​

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 this.FirstName + " " + this.LastName;

    }

}

​

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;}

    private List<Item> items ;

    public List<Item> Items{

        get{

            return this.items;

        }

        set {

            this.items = value;

        }

    }

    private List<Vendor> vendors ;

    public List<Vendor> Vendors{

        get{

            return this.vendors;

        }

        set {

            this.vendors = value;

        }

    }

     public Store (){

         this.Items = new List<Item>();

         this.Vendors = new List<Vendor>();

     }

    public void AddItem(Item _item){

        this.Items.Add(_item);

    }

    public void AddVendor(Vendor _vendor){

        this.Vendors.Add(_vendor);

    }

}

​

public class ConsignmentShop{

    private Dictionary<Item, int> itemsInShoppingCart {get;set;}

    private Store _Store {get;set;}

    public ConsignmentShop(){

        this.itemsInShoppingCart = new Dictionary<Item, int>();

        this.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.WriteLine("Welcome to {0}",this._Store.Name);

        int lineItem = 1;

        foreach(var item in this._Store.Items){

            Console.WriteLine(lineItem +". " + item.Name);

            lineItem++;

        }

        var Choice = "";

        do{

            Console.WriteLine("A - Add item to shoppping cart");

            Console.WriteLine("L - List items in shoppping cart");

            Console.WriteLine("O - Order items in shopping cart");

            Console.WriteLine("X - Exit");

            Console.WriteLine("Enter your choice");

            Choice = Console.ReadLine();

            if(Choice == "A"){

                Console.WriteLine("Enter item number, quantity");

                string Data = Console.ReadLine();

                int ItemNumber = int.Parse(Data.Split(',')[0]);

                int ItemQuantity = int.Parse(Data.Split(',')[1]);

                int AvailableQuantity = this._Store.Items[ItemNumber - 1].Stock;

                if(AvailableQuantity >= ItemQuantity)

                {

                     this.itemsInShoppingCart.Add(this._Store.Items[ItemNumber - 1], ItemQuantity);

                     this._Store.Items[ItemNumber - 1].Stock -= ItemQuantity;

                }else{

                    Console.WriteLine(ItemQuantity + " Not Available right now. We have " + this._Store.Items[ItemNumber - 1].Stock + " available in the shop");

                }

            }else if(Choice == "L")

            {

                foreach(var item in this.itemsInShoppingCart){

                    Console.WriteLine(item.Key.Name + " " + item.Key.Price + " X " + item.Value + " = " + item.Key.Price *  item.Value);

                }

            }else if(Choice == "O"){

                int StoreProfit=0;

                foreach(var item in this.itemsInShoppingCart){

                    item.Key.Vendor.PaymentDue += item.Key.Price * item.Value * item.Key.Vendor.Commission;

                    StoreProfit += (int)((item.Key.Price * item.Value) - (item.Key.Price * item.Value * item.Key.Vendor.Commission));

                }

                Console.WriteLine("StoreProfit : " + StoreProfit + "\n");

                foreach(var item in this._Store.Vendors){

                    Console.WriteLine(item.FirstName + " " +item.LastName + " " + item.PaymentDue + "$");

                }

            }

        }while(Choice != "X");

    }

}