using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HOA3_12Car_Daguman
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> iname = new List<string>();
            List<double> iprice = new List<double>();

            Console.WriteLine("GROCERY CHECKOUT SIM");
            Console.WriteLine("");
            Console.WriteLine("Choose an Option");
            Console.WriteLine("");
            Console.WriteLine("[A] Scan Item");
            Console.WriteLine("[B] Show Receipt");
            Console.WriteLine("");
            Console.Write("Enter Choice: ");
            string choice = Console.ReadLine();
            string stop = "n";


            while(stop == "n")
            {
                if (choice == "A" || choice == "a" || choice == "Scan Item")
                {
                    Console.Clear();
                    Console.WriteLine("Scan Item - Grocery Checkout Sim");
                    Console.WriteLine("");
                    Console.Write("Enter Item Name: ");
                    iname.Add(Console.ReadLine());
                    Console.Write("Enter Item Price ($): ");
                    iprice.Add(double.Parse(Console.ReadLine()));
                    Console.WriteLine("");
                    Console.WriteLine("Item Added!");
                    Console.WriteLine("");
                    Console.Write("Done Adding Items? (y/n): ");
                    stop = Console.ReadLine();

                }
                else if (choice == "B" || choice == "b" || choice == "Show Receipt")
                {
                    Console.Clear();
                    Console.WriteLine("Receipt - GROCERY CHECKOUT SIM");
                    Console.WriteLine("");
                    Console.WriteLine("NAME           PRICE($)");
                    for (int i = 0; i < iname.Count; i++)
                    {
                        Console.WriteLine(iname[i] + "           " + iprice[i]);
                    }
                    Console.WriteLine("");
                    double total = iprice.Sum();
                    Console.Write("Total Price ($): " +total);
                    Console.WriteLine("");
                    Console.Write("Done checking Out? (y/n): ");
                    stop = Console.ReadLine();
                }


            }
        }
    }
}