/* 
WAP IN JAVA TO CREATE THE CLASS WITH THE NAME "TICKET BOOKING SYSTEM" WHICH INCLUDES DATA MEMBERS LIKE:
	BOOKING ID, BOOKING DATE, SEATS REQUIRED, SEATS AVAILABLE.

CREATE METHODS FOR BOOKING THE TICKET AND CANCEL THE TICKET.
*/

package IO.Java.AIT;

import java.time.LocalDate;
import java.util.Random;

class TicketBookingSystem{
	private long bookingId;
	private LocalDate bookingDate;
	private int seatsRequired;
	private static int seatsAvailable;
	
	// creating the static block for initializing the static variable
	static {
		seatsAvailable = 10;
	}
	
	// creating the constructor with parameters for initializing instance variables
	TicketBookingSystem(LocalDate bookingDate,int seatsRequired)
	{
		this.bookingDate = bookingDate;
		this.seatsRequired = seatsRequired;
	}
	
	public void bookingTicket()
	{
		boolean isBooking = false;
		if(seatsRequired <= seatsAvailable)
		{
			seatsAvailable = seatsAvailable - seatsRequired;
			isBooking = true;
		}
		
		if(isBooking)
		{
			Random random = new Random();
			this.bookingId = random.nextLong(9876543210L);
			
			System.out.println("Booking is Successful!! Your Booking ID :"+this.bookingId);
			System.out.println("The Remaining Seats after the booking : "+fetchAvailableSeats());
			System.out.println("The Booking Date : "+this.bookingDate);
			System.out.println("The Number of seats Booked : "+this.seatsRequired);
		}
		else
		{
			System.out.println("Sorry, seats are not avaiable.");
		}
	}
	
	public void cancelTicket()
	{
		seatsAvailable = seatsAvailable + this.seatsRequired;
		System.out.println("Seats are Cancelled!!!");
		System.out.println("Available Seats after the cancellation : "+fetchAvailableSeats());
	}
	
	public static int fetchAvailableSeats()
	{
		return seatsAvailable;
	}
}

public class MainClass {

	public static void main(String[] args) {
		TicketBookingSystem user1 = new TicketBookingSystem(LocalDate.now(),6);
		
		user1.bookingTicket();
		
		TicketBookingSystem user2 = new TicketBookingSystem(LocalDate.now(),8);
		user2.bookingTicket();
		
		user1.cancelTicket();
		user2.bookingTicket();
	}
}