package ch.epfl.lca.sc250;

import javax.swing.JOptionPane;

import java.io.*;
import java.net.*;

/**
 * @author Christophe Trefois
 *
 */
public class ServentServer {

	public static void main(String[] args) {
		ServentServer s = new ServentServer();
	}

	public ServentServer ( ) {
		// Open a Socket and listen on incoming offer requests.
		//
		try {
			boolean result;
			String message;
			ServerSocket knockSock;
			Socket sock;
			int targetport = 13371;
			BufferedReader inReader;
			DataOutputStream outStream;
			
			knockSock = new ServerSocket(targetport);

			while ( true ) {

				sock = knockSock.accept();

				outStream = new DataOutputStream(sock.getOutputStream());
				inReader = new BufferedReader(new InputStreamReader(sock.getInputStream()));

				message = inReader.readLine();

				String[] parsed = message.split(", ");

				// We suppose we got and parsed an offer, we then want the pop-up to display
				result = getOfferResult(sock.getInetAddress().toString(), parsed[0], parsed[1]);

				if(result) {
					System.out.println("Yes");
					outStream.writeBytes("Yes\n");
				} else {
					System.out.println("No");
					outStream.writeBytes("No\n");
				}

				sock.close();
			}
		} catch ( IOException e ) {
			System.out.println("IO-Error");
			e.printStackTrace();
		}
	}
	
	/**
     * When an offer is received, display a Confirm Dialog where the user can choose Yes or No
     * @param IP The IP we got the offer from
     * @param amount The amount the other player gives us for a letter
     * @param position The position of the letter he wants to buy
     * @return True or False
     */

    public static boolean getOfferResult(String IP, String amount, String position) {
          boolean chosenValue = false;
          String msgToDisplay = "Buyer from IP: " + IP + "\nWants to buy Letter at Position " + position + " for " + amount + "$";
          int returnValue = JOptionPane.showConfirmDialog(null, msgToDisplay, "You got an Offer !", JOptionPane.YES_NO_OPTION);
          if(returnValue == JOptionPane.OK_OPTION) {
                chosenValue = true;
          } else {
                chosenValue = false;
          }
          return chosenValue;
    }

}