import java.awt.EventQueue;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;

import javax.swing.JFrame;
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JLabel;

public class QuizServer {

	private JFrame frame;
	 //static ServerSocket variable
    private static ServerSocket server;
    //socket server port on which it will listen
    private static int port = 9876;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					QuizServer window = new QuizServer();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 * @throws IOException
	 * @throws ClassNotFoundException
	 */
	public QuizServer() throws ClassNotFoundException, IOException {
		initialize();


	}

	/**
	 * Initialize the contents of the frame.
	 * @throws IOException
	 * @throws ClassNotFoundException
	 */
	public void server(JLabel mainText) throws IOException, ClassNotFoundException {
		//create the socket server object
        server = new ServerSocket(port);
        Scanner scanner = new Scanner(new File("C://Program Files/plik.txt"));
        int dodpowiedz = 0;
        mainText.setText(mainText.getText()+" "+"zle");
        //keep listens indefinitely until receives 'exit' call or program terminates
        while(scanner.hasNextLine()){
        	String[] temp;
        	String temporary=scanner.nextLine();
        	temp = temporary.split(":");
        	String pytanie=temp[0];
        	String odpowiedz=temp[1];
        	mainText.setText(mainText.getText()+" "+pytanie);
        	while(dodpowiedz==0) {
            //creating socket and waiting for client connection
            Socket socket = server.accept();
            //read from socket to ObjectInputStream object
            ObjectInputStream ois = new ObjectInputStream(socket.getInputStream());
            //convert ObjectInputStream object to String
            String message = (String) ois.readObject();
            if(message.equals(odpowiedz)) {
            dodpowiedz=1;
            mainText.setText(mainText.getText()+" "+"Otrzymana odpowiedz: " + message);
            ois.close();
            socket.close();}
            else mainText.setText(mainText.getText()+" "+"zle");
            //terminate the server if client sends exit request
            if(message.equalsIgnoreCase("exit")) break;}
        	dodpowiedz=0;
        }
        scanner.close();
        System.out.println("Shutting down Socket server!!");
        //close the ServerSocket object*/
        server.close();
	}

	private void initialize() throws ClassNotFoundException, IOException {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		JPanel panel = new JPanel();
		frame.getContentPane().add(panel, BorderLayout.CENTER);

		JLabel mainText = new JLabel("New label");
		panel.add(mainText);
		server(mainText);


	}

}