/*
   testmenu1.cpp
   6/5/08
   David Klick
   
   Demonstration of streamlined nested if/else
   using a menu example.
*/

#include <iostream>
using std::cin;
using std::cout;

void cont();

int main() {
    char choice;
    int numTickets = 0;
    double price = 0.0;
    double total = 0.0;
    bool error = false;
    bool done = false;
    
    cout << "Type of ticket\n\n"
         << "   1. (C)hild\n\n"
         << "   2. (A)dult\n\n"
         << "   3. (S)enior\n\n"
         << "   4. (Q)uit\n\n"
         << "Enter choice: ";
    cin >> choice;

    if (choice == '1' || choice == 'C' || choice == 'c') price = 40.00;
    else if (choice == '2' || choice == 'A' || choice == 'a') price = 20.00;
    else if (choice == '3' || choice == 'S' || choice == 's') price = 45.00;
    else if (choice == '4' || choice == 'Q' || choice == 'q') done = true;
    else {
       error = true;
       cout << "Error: Invalid choice\n\n";
    }
    
    if (!error && !done) {
       cout << "\nHow many tickets? ";
       cin >> numTickets;

       total = price * numTickets;
       cout << "The total is $" << total << "\n\n";
    }

    cont();
    return 0;
}

void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}