using System;

using System.Collections.Generic;

]=

namespace TopValues

{

    class Program

    {

        /*

        Analyse the code below that describes the problem a shop manager can have with the products from his store.

        Define the 2 functions:

        -   GetOutOfStock: evaluate which products are out of stock and cannot be ordered by the shop manager from the warehouse.

        -   GetTop3ProductsToReplenish: evaluate top 3 products with the lowest stock that need to be ordered from warehouse

​

        */

        static void Main(string[] args)

        {

            var products = new List<Product>();

            products.Add(new Product() { Id = 1, Name = "Coffee 1" });

            products.Add(new Product() { Id = 2, Name = "Coffee 2" });

            products.Add(new Product() { Id = 3, Name = "Coffee 3" });

            products.Add(new Product() { Id = 4, Name = "Coffee 4" });

            products.Add(new Product() { Id = 5, Name = "Coffee 5" });

            products.Add(new Product() { Id = 6, Name = "Coffee 6" });

            products.Add(new Product() { Id = 7, Name = "Coffee 7" });

            products.Add(new Product() { Id = 8, Name = "Coffee 8" });

            products.Add(new Product() { Id = 9, Name = "Coffee 9" });

​

            var shop = new List<Stock>();

            shop.Add(new Stock() { Product = products[0], Units = 150 });

            shop.Add(new Stock() { Product = products[2], Units = 350 });

            shop.Add(new Stock() { Product = products[3], Units = 444 });

            shop.Add(new Stock() { Product = products[4], Units = 651 });

            shop.Add(new Stock() { Product = products[5], Units = 389 });

            shop.Add(new Stock() { Product = products[8], Units = 900 });

​

            var warehouse = new List<Stock>();

            warehouse.Add(new Stock() { Product = products[0], Units = 115 });

            warehouse.Add(new Stock() { Product = products[1], Units = 325 });

            warehouse.Add(new Stock() { Product = products[2], Units = 458 });

            warehouse.Add(new Stock() { Product = products[5], Units = 365 });

            warehouse.Add(new Stock() { Product = products[6], Units = 445 });

            warehouse.Add(new Stock() { Product = products[8], Units = 145 });

​

            var outOfStock = GetOutOfStock(products, shop, warehouse);

            foreach(var item in outOfStock)

                Console.WriteLine(item);

            var top3ToReplenish = GetTop3ProductsToReplenish(products,shop,warehouse);

            foreach(var item in top3ToReplenish)

                Console.WriteLine(item);

        }

​

    }

​

    public class Stock

    {

        public Product Product { get; set; }

        public int Units { get; set; }

    }

​

    public class Product

    {

        public int Id { get; set; }

        public string Name { get; set; }

    }

}

​