using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace interviewPracticeOOP

{

    class MenuItem

    {

        public int ItemNumber { get; set; }

        public string Name { get; set; }

        public double Price { get; set; }

        public string Description { get; set; }

​

        public MenuItem(int itemNumber, string name, double price, string desc)

        {

            ItemNumber = itemNumber;

            Name = name;

            Price = price;

            Description = desc;

        }

    }

    class Order

    {

        // an order is defined as list of items ordered, their quantity and the order total

​

        // a property

        public int OrderId { get; set; }

​

        // a variable

        // public int OrderId;

        // other scopes include public, private

        // or protected

​

        public List<MenuItem> ItemsOrdered { get; set; } // changed to list of MenuItems instead of strings to make it hold properties of menuitem in one.

        public List<int> ItemsQuantity { get; set; }

​

​

​

        // doing OrderTotal as a property

        //public double OrderTotal { get; set; }

​

        public Order()

        {

            ItemsOrdered = new List<MenuItem>();

            ItemsQuantity = new List<int>();

            OrderId = 0;

        }

​

​

        // since this is some calculation we can set it as a function/method of the Order class

        public double GetOrderTotal()

        {

            double orderTotal = 0.0;

​

            // loop through the items/quantity list to calculate the total

            foreach( MenuItem menuItem in ItemsOrdered)

            {

                orderTotal = orderTotal + (menuItem.Price * ItemsQuantity[ItemsOrdered.IndexOf(menuItem)]); // works!

            }

​

            return orderTotal;

        }

​

    }

    class Program

    {

​

​

        // main is a static function

        static void Main(string[] args)

        {

            // start up code here

            // Main menu and UI Function

​

​

            // setup

            // create the menu

            List<MenuItem> menu = new List<MenuItem>();

            List<Order> Orders = new List<Order>();

            //Orders.Add(myOrder);

​

            // declares an instance of an Order class called myOrder

            // then assigns a newly consturcted Order object to myOrder

​

            // new instance of a menu item

            MenuItem Burger = new MenuItem(1, "Hamburger", 5, "Beef Lettuce Tomato");

            MenuItem PhoBo = new MenuItem(2, "pho bo", 8, "vietnamese beef noodle soup");

            MenuItem Pizza = new MenuItem(3, "pizza", 10, "new yorks finest");

            MenuItem GarlicTruffleFries = new MenuItem(4, "garlic truffle fries", 20, "tasty");

            MenuItem SharkFinSoup = new MenuItem(5, "shark fin soup", 16, "Chinese delicacy");

            MenuItem RibEyeSteak = new MenuItem(6, "rib eye steak", 35, "Juicy dry aged meat");

            MenuItem CeasarSalad = new MenuItem(7, "ceasar salad", 12, "fresh veges");

            MenuItem BunBoHue = new MenuItem(8, "bun bo hue", 9.5, "pork noodle soup");

            MenuItem ChickenAlfredo = new MenuItem(9, "chicken alfredo", 16, "with fresh parmesan");

            MenuItem CurryChicken = new MenuItem(10, "curry chicken", 14, "juicy chicken");

​

            // adding a menuItem to my list aka menu    

            menu.Add(Burger);

            menu.Add(PhoBo);

            menu.Add(Pizza);

            menu.Add(GarlicTruffleFries);

            menu.Add(SharkFinSoup);

            menu.Add(RibEyeSteak);

            menu.Add(CeasarSalad);

            menu.Add(BunBoHue);

            menu.Add(ChickenAlfredo);

            menu.Add(CurryChicken);

            // program starts here

​

​

            Console.WriteLine("Welcome to Bin's All World Cuisine!\n" + "Please select from the options below(1,2 or 3) to continue");

​

​

            string input = " ";

            int cId = 1;

​

            do

            {

                Console.WriteLine("1. Show Menu\n" + "2. Start Food Order\n" + "3. Exit Program");

                //mainMenu(); // no need for pricelist . price is inside item

                // switch statement for user to select print menu or order item

                int orderId = 1;

                input = Console.ReadLine();

                string select = " ";

                double total = 0;

                switch (input)

                {

                    case "1":

                        PrintMenu();

                        break;

                    case "2":

​

                        Order myOrder = new Order();

                        do

                        {

                            Console.WriteLine("What would you like to order? Select Item number");

                            int ItemNumber = Int32.Parse(Console.ReadLine());

                            Console.WriteLine("How many of this would you like to order?");

                            int quantity = Int32.Parse(Console.ReadLine());

​

                            total = PlaceOrder( ref cId, myOrder, ItemNumber, quantity); // cant reuse place order. since it just lets single customer order multiple items

                            Console.WriteLine("Enter (c) to continue or (q) to close order");

                            select = Console.ReadLine();

​

                        } while (select != "q");

                        Orders.Add(myOrder); // add after single myOrder is complete

                        cId++;

                        Console.WriteLine("your total is " + total);

                        //checkOut();

​

                        // done with single order object. add to list of orders

                       // Orders.Add(myOrder);

                        break;

                    case "3":

                        //PrintEODTotal;

                        double EOD = 0;

                        foreach(Order order in Orders)

                        {

                            EOD = EOD + order.GetOrderTotal();

                        }

                        Console.WriteLine("End of day grand total is " + EOD);

                        foreach(Order order in Orders)

                        {

                            Console.WriteLine("Customer " + order.OrderId + " Spent " + order.GetOrderTotal());

                        }

                        input = "3";

                        break;

                        //default:

                        //  exit;

                }

            }

            while (input != "3");

            //Console.WriteLine("1. Show Menu\n" + "2. Order Food\n" + "3. Exit Program");

​

            //void checkOut()

            //{

            //    Console.WriteLine("Thanks for supporting out restaruant your total is " + myOrder.GetOrderTotal());

            //}

​

            double PlaceOrder(ref int id, Order myOrder,  int ItemNumber, int quantity) // just allows customer to order 1 item. keeps running in a loop outsdie of this scope

            {

                // switch statement to add certain menuItem to order based on user input 1,2,3,4,5...

                // create an instance of Order, menu and Orders in this function or pass it in??

                //Order myOrder = new Order();

                //myOrder.ItemsOrdered.Add(menu[ItemNumber - 1]);

                //myOrder.ItemsQuantity.Add(quantity);

                bool isTrue = true;

                string userInput = " ";

                switch (ItemNumber)

                {

                    case 1:

​

                        TakeOrder(ref id,myOrder, ItemNumber, quantity);

                        break;

​

                    case 2:

                        TakeOrder(ref id, myOrder,ItemNumber, quantity);

                        break;

​

                    case 3:

                         TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 4:

                        TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 5:

                        TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 6:

                         TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 7:

                        TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 8:

                         TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 9:

                         TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        break;

​

                    case 10:

                        TakeOrder(ref id, myOrder, ItemNumber, quantity);

                        //myOrder.ItemsOrdered.Add(menu[ItemNumber - 1]);

                        // placeorder(itemNumber,quantity)  quantity = 

                        // add order into order list 

​

​

​

​

                        //Orders.Add(myOrder);

                        //Console.WriteLine("Would you like to conintue (c) or exit (e)");

                        // userInput = Console.ReadLine();

                        //if (userInput == "c")

                        //{

                        //    return isTrue = true;

                        //}

                        //else if (userInput == "e")

                        //    return isTrue = false;

                        //else

                        break;

​

​

​

​

​

​

​

​

                }

                return myOrder.GetOrderTotal();

            }

            void TakeOrder(ref int id, Order myOrder, int ItemNumber, int quantity) // this function adds the order onto the list of order and deals with multiple items for single customer

            {

                bool isTrue = true;

                string userInput = " ";

                myOrder.OrderId = id;

                myOrder.ItemsOrdered.Add(menu[ItemNumber - 1]);

                myOrder.ItemsQuantity.Add(quantity);

​

                //Orders.Add(myOrder); // not ready to add yet. order not complete

                //Console.WriteLine("Would you like to conintue (c) or exit (e)");

                //userInput = Console.ReadLine();

​

                //if (userInput == "e")

​

                //{

                //    isTrue = false;

                //}

                //else

                //    if (userInput == "c")

                //    {

                //        isTrue = true;

                    //myOrder.ItemsOrdered.Add(menu[ItemNumber - 1]);

                    //myOrder.ItemsQuantity.Add(quantity);

​

                    // save current item to my order

                //}

                //return isTrue;

            }

​

            void PrintMenu()

            {

                foreach (MenuItem item in menu)

                {

                    Console.WriteLine("Enter Number to Select Item");

                    Console.WriteLine("\n" + item.ItemNumber + ". " + item.Name + " " + " $" + item.Price + ".00 \n" + item.Description + "\n");

                }

​

            }

​

            //myOrder.ItemsOrdered.Add(Burger);

​

            // local functions

            // ex:

            // bool PlaceOrder(..)

            // {

            //   ...

            // }

​

            Console.Read();

        } // main ends here

​

​

​

        // get user item, and get user quanitty. pass this to the place order function call. 

​

​

        //static void mainMenu()

        //{

        //    Console.WriteLine("Main Menu \n");

        //    Console.WriteLine("Welcome to Bin's restaurant. What would you like to do?\n" + "select 1,2,3...");

        //    Console.WriteLine("1. Show Menu\n" + "2. Order Food\n");

​

​

​

        //    switch (Console.ReadLine())

        //    {

        //        case "1":

        //            printMenu();

        //            break;

​

​

        //        case "2":

        //            bool isTrue = true;

        //            while (isTrue)

        //            {

        //                isTrue = placeOrder(ref list);

        //            }

        //            Console.WriteLine("your grand total is $" + checkOut(list));

        //            break;

​

​

        //        default:

        //            Console.WriteLine("Invalid input, Please try again");

        //            break;

        //    }

        //}

​

​

    }

}

​