using System;
using System.Collections.Generic;
using System.Linq;

namespace Problem
{
    class Program
    {
        static void Main(string[] args)
        {
            Warehouse warehouse = new Warehouse();
            warehouse.ShowInventory();
        }
    }

    class Warehouse
    {
        static readonly Random random = new Random();
        private List<Slot> inventory;

        public Warehouse()
        {
            FillInventory();
        }

        private void FillInventory()
        {
            List<Detail> tempList = DetailInstance.CopyDetails();
            inventory = new List<Slot>();

            for (int i = 0; i < tempList.Count; i++)
            {
                inventory.Add(new Slot(tempList[i], random.Next(5)));
            }
        }

        internal void ShowInventory()
        {
            foreach (var item in inventory)
            {
                Console.WriteLine(item);
            }
        }
    }

    class Slot
    {
        public Slot(Detail detail, int count)
        {
            Detail = detail;
            Count = count;
        }

        public Detail Detail { get; private set; }
        public int Count { get; private set; }

        public override string ToString()
        {
            return $"{Detail.Name} ${Detail.Price} - Count: {Count}";
        }
    }

    class DetailInstance
    {
        private static readonly List<Detail> details = new List<Detail>()
        {
            new Detail(),
            new Detail(),
            new Detail(),
            new Detail(),
            new Detail(),
            new Detail(),
            new Detail()
        };

        public static List<Detail> CopyDetails() => details.ToList();
    }

    class Detail
    {
        public Detail()
        {
            Name = "Гайка";
            Price = 20;
        }

        public string Name { get; private set; }
        public int Price { get; private set; }
    }
}