import java.util.*;
import java.io.*;

import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.Roster;
import org.jivesoftware.smack.RosterEntry;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;


import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.X509Certificate;
import java.security.cert.CertificateException;

public class LoLChat implements MessageListener{

    XMPPConnection connection;
    private static String username = "username";
    private static String password = "password";
    public void login() throws XMPPException
    {
    ConnectionConfiguration config = new ConnectionConfiguration("chat.na.lol.riotgames.com",5223, "pvp.net");
    config.setSecurityMode(ConnectionConfiguration.SecurityMode.enabled);
    config.setSocketFactory(new DummySSLSocketFactory());
    connection = new XMPPConnection(config);

    connection.connect();
    connection.login(username, password);
    }

    public void sendMessage(String message, String to) throws XMPPException
    {
    Chat chat = connection.getChatManager().createChat(to, this);
    chat.sendMessage(message);
    }

    public void displayBuddyList()
    {
    Roster roster = connection.getRoster();
    Collection<RosterEntry> entries = roster.getEntries();

    System.out.println("\n\n" + entries.size() + " buddy(ies):");
    for(RosterEntry r:entries)
    {
    System.out.println(r.getUser());
    }
    }

    public void disconnect()
    {
    connection.disconnect();
    }

    public void processMessage(Chat chat, Message message)
    {
    if(message.getType() == Message.Type.chat)
    System.out.println(chat.getParticipant() + " says: " + message.getBody());
    }

    public static void main(String args[]) throws XMPPException, IOException
    {
    // declare variables
    LoLChat c = new LoLChat();
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String msg;


    // turn on the enhanced debugger
    XMPPConnection.DEBUG_ENABLED = true;


    // Enter your login information here
    c.login();

    c.displayBuddyList();

    System.out.println("-----");

    System.out.println("Who do you want to talk to? - Type contacts full email address:");
    String talkTo = br.readLine();

    System.out.println("-----");
    System.out.println("All messages will be sent to " + talkTo);
    System.out.println("Enter your message in the console:");
    System.out.println("-----\n");

    while( !(msg=br.readLine()).equals("bye"))
    {
        c.sendMessage(msg, talkTo);
    }

    c.disconnect();
    System.exit(0);
    }
}

class DummySSLSocketFactory extends SSLSocketFactory {

    private SSLSocketFactory factory;

    public DummySSLSocketFactory() {

        try {
            SSLContext sslcontent = SSLContext.getInstance("TLS");
            sslcontent.init(null, // KeyManager not required
                    new TrustManager[]{new DummyTrustManager()},
                    new java.security.SecureRandom());
            factory = sslcontent.getSocketFactory();
        }
        catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        catch (KeyManagementException e) {
            e.printStackTrace();
        }
    }

    public static SocketFactory getDefault() {
        return new DummySSLSocketFactory();
    }

    public Socket createSocket(Socket socket, String s, int i, boolean flag)
            throws IOException {
        return factory.createSocket(socket, s, i, flag);
    }

    public Socket createSocket(InetAddress inaddr, int i, InetAddress inaddr2, int j)
            throws IOException {
        return factory.createSocket(inaddr, i, inaddr2, j);
    }

    public Socket createSocket(InetAddress inaddr, int i) throws IOException {
        return factory.createSocket(inaddr, i);
    }

    public Socket createSocket(String s, int i, InetAddress inaddr, int j) throws IOException {
        return factory.createSocket(s, i, inaddr, j);
    }

    public Socket createSocket(String s, int i) throws IOException {
        return factory.createSocket(s, i);
    }

    public String[] getDefaultCipherSuites() {
        return factory.getSupportedCipherSuites();
    }

    public String[] getSupportedCipherSuites() {
        return factory.getSupportedCipherSuites();
    }
}

/**
 * Trust manager which accepts certificates without any validation
 * except date validation.
 */
class DummyTrustManager implements X509TrustManager {

    public boolean isClientTrusted(X509Certificate[] cert) {
        return true;
    }

    public boolean isServerTrusted(X509Certificate[] cert) {
        try {
            cert[0].checkValidity();
            return true;
        }
        catch (CertificateExpiredException e) {
            return false;
        }
        catch (CertificateNotYetValidException e) {
            return false;
        }
    }

    public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
        // Do nothing for now.
    }

    public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
        // Do nothing for now.
    }

    public X509Certificate[] getAcceptedIssuers() {
        return new X509Certificate[0];
    }
}