// Programmer: Dylan McDonald
// Class & Section: CS 54, Section <n>
// Date: January 30, 2007
// Purpose: To gain weight at Clayton's Cafeteria

#include <iostream>
using namespace std;

int main()
{
  /* delcare constants used in all parts */
  const int DONUTCAL = 450, ICECAL = 350, PICAL = 500;
  const int DONUTFAT = 18, ICEFAT = 20, PIFAT = 15;
  const double DONUTPRICE = 1.5, ICEPRICE = 2.2, PIPRICE = 3.141592;
  int choice;

  /* part I - display menu */
  cout << "Welcome to Clayton's Cafeteria!" << endl;
  cout << "1) Jelly Donuts $1.50" << endl;
  cout << "2) Ice Cream $2.20" << endl;
  cout << "3) Cherry Pie $3.141592" << endl << endl;

  /* part II - ask for what they want and validate it */
  /* part I is the same without the do...while loop */
  do
  {
    cout << "And what is your pleasure today? ";
    cin >> choice;
  } while (choice != 1 && choice != 2 && choice != 3);
  
  /* part I - take the choice and print out the information */
  /* ...for donuts */
  if (choice == 1)
  {
    cout << "Your order costs $" << DONUTPRICE << ", has "
         << DONUTCAL << " calories, and "
         << DONUTFAT << " grams of fat." << endl;
  }
  /* ...for ice cream */
  else if (choice == 2)
  {
    cout << "Your order costs $" << ICEPRICE << ", has "
         << ICECAL << " calories, and "
         << ICEFAT << " grams of fat." << endl;
  }
  /* ...for pie */
  else if (choice == 3)
  {
    cout << "Your order costs $" << PIPRICE << ", has "
         << PICAL << " calories, and "
         << PIFAT << " grams of fat." << endl;
  }
  /* ...for items with DNE problems */
  else
  {
    cout << "There exists no such item!" << endl;
  }

  return 0;
}