using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        ConsignmentShop consignmentshop=new ConsignmentShop();

        consignmentshop.ShowMenu();

        //Console.WriteLine("Hello World");

    }

}

public class Item

{

    public override string ToString()

    {

        return $"{Name} ${Price}";

    }

    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 class Vendor

{

    public override string ToString()

    {

        return $"{FirstName} ${LastName}";

    }

    public string FirstName {get;set;}

    public string LastName {get;set;}

    public decimal Commission {get;set;}

    public decimal PaymentDue {get;set;}

}

public class Store

{

    public Store()

    {

        Vendors=new List<Vendor>();

        Items=new List<Item>();

    }   

    public void AddItem(Item item)

    {

        Items.Add(item);

    }

    public void AddVendor(Vendor vendor)

    {

        Vendors.Add(vendor);

    }

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

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

    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 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 = "Interview Store"};

        this.store.AddVendor(new Vendor{FirstName = "Anand", LastName = "Seshadri", 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(this.store.Name);

        int count=1;

        foreach(var item in this.store.Items)

        {

            Console.WriteLine( $"{count} {item.Name}" );

            count++;

        }

        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");

        while(true)

        {

            Console.WriteLine("Enter your choice ");

            var input=Console.ReadLine();

            switch(input)

            {

                    case "A":   

                    Console.Write("Enter item number, quantity: ");

                    string iteminput=Console.ReadLine();

                    var inputdata=iteminput.Split(',');

                    int number=Convert.ToInt32(inputdata[0])-1;

                    int quantity=Convert.ToInt32(inputdata[1]);

                    if(this.store.Items[number].Stock >quantity)

                    {

                        ItemsInShoppingCart.Add(new KeyValuePair<Item,int>(this.store.Items[number],quantity));

                    this.store.Items[number].Stock-=quantity;

                    }

                    else

                    {

                        Console.WriteLine($"Sorry! The item {this.store.Items[number].Name} is out of stock. {this.store.Items[number].Stock} items remain.");

                    }

                    break;

                    case "L":

                    foreach(var itemincart in ItemsInShoppingCart)

                    {

                    Console.WriteLine($"{itemincart.Key.ToString() } X {itemincart.Value} = {itemincart.Key.Price*itemincart.Value}" )  ;

                    }

                    break;

                    case "O":

                    //total order value,storeprofit,Each vendor profit.

                        var totalordervalue=0m;

                    var storeprofit=0m;

                    foreach(var itemincart in ItemsInShoppingCart)

                    {

                        var vendorprofit=itemincart.Key.Vendor.Commission*itemincart.Value*itemincart.Key.Price;

                        totalordervalue+=itemincart.Key.Price*itemincart.Value;

                        storeprofit+=(itemincart.Key.Price*itemincart.Value)-vendorprofit;

                        itemincart.Key.Vendor.PaymentDue+=vendorprofit;

                    //  Console.WriteLine($"{}");   

                    }

                    Console.WriteLine($"Total Order Amount : ${totalordervalue}");

                    Console.WriteLine($"Total Store Profit : ${storeprofit}");

                    foreach(var vendor in this.store.Vendors)

                    {

                        Console.WriteLine($"{vendor.ToString()} gets ${vendor.PaymentDue}");

                    }

                    break;

                    case "X":   

                    break;

                    default:

                    break;

            }

        }

    }

}