//Airplanes Seating Allocation System
 
//libraries included
#include <iostream.h>
#include <stdlib.h>
#include <iomanip.h>
 
char airplane [12] [4];
float ticketPrice [12] = { 0.0 };
float totalsales = 0.0f;
int row, seat;
 
//Function Prototypes
void DisplaySeats (void);
void DisplayPrices (float []);
void DisplaySales ();
void PurchaseTicket (float[]);
 
void main ()
{
	int choice;
	char response = 'Y';
 
	cout << "WELCOME TO C++ AIRPLANES SEATING ALLOCATION SYSTEM!\n";
	cout <<	"*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*\n";
 
	//initialize airplane with labels (A, S, W, L) - all seats available
	for (int y =0; y < 1; y++)			
	for (int q = 0; q <4; q++)		
		airplane [y][q] = 'L';		//Leg Room Seats
	for (y = 1; y < 12; y++)
	{
		for (int z = 0; z < 4; z++)
		{
			for (int x = 0; x < 1; x++)
				airplane [y][x] = 'S';		//Regular Seats
			for (int v = 1; v < 3; v++)
				airplane [y][v] = 'A';		//Aisle Seats
			for (int w = 3; w <4; w++)
				airplane [y][w] = 'W';		//Window Seats
		}
	}
 
	//initialize seat prices for each of the 12 rows
	for (int i = 0; i < 12; i++)
	{
		cout << "\nPlease enter ticket price for Row " << i + 1 << ": ";
		cin >> ticketPrice [i];
	}
 
while (response = 'Y')
{
	//display menu of choices
 
	cout << "\n\n\n\tC++ Airplane Seating Allocation System" << endl  <<  endl;
	cout << "\n\t1.   View Availabe Seats";
	cout << "\n\t2.   View Seating Prices";
	cout << "\n\t3.   View Ticket Sales";
	cout << "\n\t4.   Purchase a Ticket";
	cout << "\n\t5.   Exit the Program\n\n";
	cout << "\n\tEnter your choice (1-5): ";
	cin >> choice;
	switch (choice)
	{
	case 1:
		cout << "Testing. DisplaySeats() called\n";
		DisplaySeats();
		break;
	case 2:
		DisplayPrices(ticketPrice);
		break;
	case 3:
		DisplaySales();
		break;
	case 4:
		PurchaseTicket(ticketPrice);
		break;
	case 5: 
		exit (0);
		break;
	default:
		exit(0);
		break;
	} //end switch
}; //end while
} //end main
 
//Display a seating chart of the airplane
void DisplaySeats (void)
{
	cout << "\n\tSEATS\n";
	cout << "	1234";
	cout << endl;
 
	for (int r = 0; r < 12; r++)
	{
		cout << "\nRow " << setw(2) << r + 1 << "\t";
			for (int s =0; s < 4; s++)
			{
				cout << airplane[r][s];
			}
	}
cout << "\n\n\n\tLegend:\t* = Sold";
cout << "\n\t\tA = Aisle Seats (Available)";
cout << "\n\t\tW = Window Seats (Available)";
cout << "\n\t\tS = Regular Seats (Avaiable)";
cout << "\n\t\tL = Leg Room Seats (Available)";
cout << endl;
 
char keyin;
cout << endl << endl;
cout << "\nPress an alphanumeric key to continue.";
cin >> keyin;
 
} //end DisplaySeats
 
void DisplayPrices(float price[])
{
	cout << "\n\tTicket Prices By Row:  " << endl << endl;
	cout << "\tRow			Price" << endl;
	cout << "\t------			-------" << endl << endl;
	cout.precision(2);
	cout.setf(ios::fixed | ios::right);
	for (int m =0; m < 12; m++)
	{
		cout << "\n\tRow " << setw(2) << m+1 << ":\t\t" << setw(5) << price[m];
	}
 
char keyin;
cout << endl << endl;
cout << "\nPress an alphanumeric key to continue.";
cin >> keyin;
}
 
void PurchaseTicket(float price[])
{
	int a, b = 0;
	char response;
 
	cout << "\n\t		 	C++ Airplane Seating Allocation System" << endl;
	cout << "\t\tTicket Purchase Opportunity" << endl;
do
{
	do
	{
	cout << "\nPlease enter row number (1-12): ";
	cin >> a;
	} while (a <1 || a > 12);
	do
	{
	cout << "\nPlease enter seat number (1-4): ";
	cin >> b;
	} while ( b < 1  || b > 4);
 
	if (airplane [a-1][b-1] == 'A' || airplane [a-1][b-1] == 'L' || 
		airplane [a-1][b-1] == 'W' || airplane [a-1][b-1] == 'S')		//if the seat is available
	{
	airplane[a-1][b-1] = '*';		//indicate that the seat is taken
	totalsales +=ticketPrice[a-1];
	cout << "\nYour purchase of Seat " << b << "in Row " << a << "is confirmed." << endl;
	}
	else 		//seat has bee sold
	{
		cout << "\nSorry. That seat has been sold.\n";
	}
 
	cout << "\nWould you like to purchase another seat?";
	cin >> response;
} while (toupper(response) == 'Y');
}
 
void DisplaySales ()
{
	cout.setf(ios::fixed);
	cout << "\n\nTotal Sales to Date:  $" << setprecision(2) << totalsales << endl;
}