//Programming Homework #3

#include "stdafx.h"
#include <iostream>
using namespace std;

//Creates a function called header.
void header()
{
    cout << "Room | Capacity | Enrollment | Empty Seats | Filled/Not Filled" << endl;
}


//Creates a function called EndOfProgram.
int EndOfProgram()
{
    cout << "Try another room? (Y/N): ";
    char end;
    cin >> end;

    //if statement to restart from main function if Y or y is pressed (if end is equal to Y or y).
    if (end == 'Y' || end == 'y')
        return 1;

    //else if statement to quit the program if N or n is pressed (if end is equal to N or n).
    else if (end == 'N' || end == 'n')
        return 0;

    //else statement to return to EndOfProgram if the input anything other than Y, y, N, or N.
    else
    {
        cout << "Invaid input" << endl;
        EndOfProgram();
    }
}



//Main function.
int main()
{
    //Asks for room number, then applies it to integer roomnum.
    cout << "Room: ";
    int roomnum;
    cin >> roomnum;

    //Asks for the capacity, then applies it to integer roomcap.
    cout << "Capacity: ";
    int roomcap;
    cin >> roomcap;

    //Asks for the enrollment, then applies it to integer roomenr.
    cout << "Enrollment: ";
    int roomenr;
    cin >> roomenr;

    //Makes an integer called empty, then makes it equal to the capacity minus the enrollment.
    int empty = roomcap - roomenr;

    //Calls back to the header function.
    header();

    //If else statement to display a different result depending on if the room is full or not.
    if (empty>0)
        cout << roomnum << "      " << roomcap << "           " << roomenr << "            " << empty << "            Not Filled" << endl;
    else
        cout << roomnum << "      " << roomcap << "           " << roomenr << "            " << empty << "            Filled" << endl;

    //Calls the EndOfProgram function.
    if(EndOfProgram() == 1)
        main();
    else
        return 0;
}