using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace ProgFel
{
    public enum Category
    {
        Milk,
        Bread,
        Egg,
        Meat
    }
    public class Item
    {
	    public int Price { get; set; }
	    public string Name { get; set; }
	    public Category Category { get; set; }
    }
 
 
    public class Shop
    {
        public Shop()
        {
            Items = new List<Item>();
        }
 
	    public List<Item> Items { get; set; }
    }
 
    public class Cart
    {
        public Cart()
        {
            Items = new List<Item>();
        }
 
        public List<Item> Items { get; set; }
    }
 
    class Program
    {
        static void Main(string[] args)
        {
            /* A vicc szempontjából fontos, hogy legyen 6 db tej, és legalább 1 tojás */
 
            Shop shop = new Shop();
            shop.Items.Add(new Item() { Price = 100, Category = Category.Milk, Name = "TESCO-s Tej 16%" });
            shop.Items.Add(new Item() { Price = 100, Category = Category.Milk, Name = "TESCO-s Tej 16%" });
            shop.Items.Add(new Item() { Price = 110, Category = Category.Milk, Name = "TESCO-s Tej 32%" });
            shop.Items.Add(new Item() { Price = 100, Category = Category.Milk, Name = "TESCO-s Tej 16%" });
            shop.Items.Add(new Item() { Price = 110, Category = Category.Milk, Name = "TESCO-s Tej 32%" });
            shop.Items.Add(new Item() { Price = 100, Category = Category.Milk, Name = "TESCO-s Tej 16%" });
            shop.Items.Add(new Item() { Price = 100, Category = Category.Milk, Name = "TESCO-s Tej 16%" });
            shop.Items.Add(new Item() { Price = 50, Category = Category.Egg, Name = "Tojás (Magyar)" });
            shop.Items.Add(new Item() { Price = 80, Category = Category.Egg, Name = "Tojás (Amerikai)" });
 
            Cart shoppingCart = new Cart();
            Item tej = shop.Items.Where(x => x.Category == Category.Milk).ToList().First();
 
            if (tej != null)
            {
                Item tojas = shop.Items.Where(x => x.Category == Category.Egg).ToList().First();
 
                if (tojas != null)
                {
                    int i = 0;
                    bool l = false;
                    while (i < 6 && !l)
                    {
                        shoppingCart.Items.Add(tej);
                        shop.Items.Remove(tej);
 
                        tej = shop.Items.Where(x => x.Category == Category.Milk).ToList().First();
                        l = tej == null ? true : false;
 
                        ++i;
                    }
 
                }
                else
                {
                    shoppingCart.Items.Add(tej);
                    shop.Items.Remove(tej);
                }
            }
 
            foreach (Item item in shoppingCart.Items)
            {
                Console.WriteLine("Termek: {0}, Ar: {1}", item.Name, item.Price);
            }
            Console.ReadKey();
        }
    }
}