// Console_Totals-Counts.cpp : main project file.

 /* ________________________________________________
                        Learning C++: Lesson 3
                        Running Totals & Counts
                                 Ron Kessler
                           Created 5/25/2016

 This little program shows how to keep running totals and counts.

 _________________________________________________
 */
#include "stdafx.h"

using namespace System;

int main(array<System::String ^> ^args)
{
    //---show a message
    Console::WriteLine("Welcome to Lesson 3: Running Totals & Counts\n\n");

    int numItems = 0;       //track number of items purchased
    double totalDue = 0;    //track total spent

    while (true)            //this is a loop and lets them order as many things as they want
    {
        Console::WriteLine("Enter item to purchase.");
        String^ thisItem = Console::ReadLine();
        numItems += 1;          //add 1 to the running count. Same as numItems = numItems + 1

        Console::WriteLine("Now enter the price.");
        double itemPrice = Convert::ToDouble(Console::ReadLine());   //get the price

        totalDue += itemPrice;  //add this price to the running total    
        Console::WriteLine("\n\nPress 1 to add more items. Press 2 to check out.");
        
        String^ input = Console::ReadLine();

        if (input == "2")
            break;
		
    }

    //---show output
    Console::Clear();
    Console::WriteLine("Summary of your order\n\n");
    Console::Write("You purchased " + numItems + " items today.");
    Console::WriteLine(" You owe me "  + totalDue.ToString("c2"));


    Console::WriteLine("\n\nPress any key to end.");
    Console::ReadLine();                   
    
    return 0;
}