package com.beem.project.beem;

import org.jivesoftware.smack.ConnectionConfiguration;

import org.jivesoftware.smack.PacketListener;

import org.jivesoftware.smack.Roster;

import org.jivesoftware.smack.XMPPConnection;

import org.jivesoftware.smack.Roster.SubscriptionMode;

import org.jivesoftware.smack.filter.AndFilter;

import org.jivesoftware.smack.filter.PacketFilter;

import org.jivesoftware.smack.filter.PacketTypeFilter;

import org.jivesoftware.smack.packet.Packet;

import org.jivesoftware.smack.packet.Presence;

import org.jivesoftware.smack.proxy.ProxyInfo;

import org.jivesoftware.smack.proxy.ProxyInfo.ProxyType;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.Service;

import android.content.Intent;

import android.content.SharedPreferences;

import android.os.IBinder;

import android.os.RemoteException;

import android.util.Log;

import com.beem.project.beem.service.XmppConnectionAdapter;

import com.beem.project.beem.service.XmppFacade;

import com.beem.project.beem.service.aidl.IBeemConnectionListener;

import com.beem.project.beem.service.aidl.IXmppConnection;

import com.beem.project.beem.service.aidl.IXmppFacade;

/**

 * This class is for the Beem service.

 * The connection to the xmpp server will be made asynchronously when the service

 * will start.

 * @author darisk

 */

public class BeemService extends Service {

    /**

     * The id to use for status notification.

     */

    public static final int NOTIFICATION_STATUS_ID = 1;

    private NotificationManager mNotificationManager;

    private XmppConnectionAdapter mConnection;

    private SharedPreferences mSettings;

    private String mLogin;

    private String mPassword;

    private String mHost;

    private ConnectionConfiguration mConnectionConfiguration;

    private ProxyInfo mProxyInfo;

    private boolean mUseProxy;

    private IXmppFacade.Stub mBind;

    /**

     * Constructor.

     */

    public BeemService() {

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public IBinder onBind(Intent intent) {

	return mBind;

	// to forbid a client to bind

	// return null;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onCreate() {

	super.onCreate();

	mSettings = getSharedPreferences(getString(R.string.PreferenceFileName), MODE_PRIVATE);

	mLogin = mSettings.getString(getString(R.string.PreferenceLoginKey), "");

	mPassword = mSettings.getString(getString(R.string.PreferencePasswordKey), "");

	mHost = mSettings.getString(getString(R.string.PreferenceHostKey), "");

	initConnectionConfig();

	mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

	mConnection = new XmppConnectionAdapter(mConnectionConfiguration, mLogin, mPassword);

	initRosterRequestListener();

	mBind = new XmppFacade(mConnection, this);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onStart(Intent intent, int startId) {

	try {

	    mConnection.connectAsync();

	} catch (RemoteException e) {

	    // TODO Auto-generated catch block

	    e.printStackTrace();

	}

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onDestroy() {

	closeConnection();

	mNotificationManager.cancel(NOTIFICATION_STATUS_ID);

    }

    /**

     * Show a notification.

     * @param id 	the id of the notification.

     * @param notif	the notification to show

     */

    public void sendNotification(int id, Notification notif) {

	mNotificationManager.notify(id, notif);

    }

    /**

     * Initialise la configuration de la connexion.

     */

    private void initConnectionConfig() {

	//TODO mettre a false par defaut et remplacer les valeurs par defaut

	mUseProxy = mSettings.getBoolean(getString(R.string.PreferenceUseProxy), false);

	if (mUseProxy) {

	    String stype = mSettings.getString(getString(R.string.PreferenceProxyType),

		getString(R.string.PreferenceProxyTypeHttp));

	    String phost = mSettings.getString(getString(R.string.PreferenceProxyHost), "");

	    String puser = mSettings.getString(getString(R.string.PreferenceProxyUser), "");

	    String ppass = mSettings.getString(getString(R.string.PreferenceProxyPassword), "");

	    int pport =  mSettings.getInt(getString(R.string.PreferenceProxyPort), 3128);

	    ProxyInfo.ProxyType type = ProxyType.valueOf(stype);

	    mProxyInfo = new ProxyInfo(type, phost, pport, puser, ppass);

	    mConnectionConfiguration = new ConnectionConfiguration(mHost, mProxyInfo);

	} else {

	    mConnectionConfiguration = new ConnectionConfiguration(mHost);

	}

	mConnectionConfiguration.setSendPresence(true);

    }

    private void initRosterRequestListener() {

	Roster.setDefaultSubscriptionMode(SubscriptionMode.manual);

	final XMPPConnection con =  mConnection.getAdaptee();

	try {

	    // l'ajout d'un packet listener ne peut etre effectuer que lorsqu'on est connecte au serveur

	    mConnection.addConnectionListener(new IBeemConnectionListener.Stub() {

		@Override

		public void reconnectionSuccessful() throws RemoteException {

		    // TODO Auto-generated method stub

		    PacketFilter filter = new PacketFilter() {

			@Override

			public boolean accept(Packet packet) {

			    if (packet instanceof Presence) {

				Presence pres = (Presence) packet;

				if (pres.getType() == Presence.Type.subscribe)

				    return true;

			    }

			    return false;

			}

		    };

		    con.addPacketListener(new PacketListener() {

			@Override

			public void processPacket(Packet packet) {

			    // TODO Auto-generated method stub

			    Log.i("TEST", "Une demande recue");

			}

		    }, filter);

		}

		@Override

		public void reconnectionFailed() throws RemoteException {

		    // TODO Auto-generated method stub

		}

		@Override

		public void reconnectingIn(int seconds) throws RemoteException {

		    // TODO Auto-generated method stub

		}

		@Override

		public void onConnect() throws RemoteException {

		    // TODO Auto-generated method stub

		    PacketFilter filter = new PacketFilter() {

			@Override

			public boolean accept(Packet packet) {

			    if (packet instanceof Presence) {

				Presence pres = (Presence) packet;

				if (pres.getType() == Presence.Type.subscribe)

				    return true;

			    }

			    return false;

			}

		    };

		    con.addPacketListener(new PacketListener() {

			@Override

			public void processPacket(Packet packet) {

			    // TODO Auto-generated method stub

			    Log.i("TEST", "Une demande recue");

			}

		    }, filter);

		}

		@Override

		public void connectionClosedOnError() throws RemoteException {

		    // TODO Auto-generated method stub

		}

		@Override

		public void connectionClosed() throws RemoteException {

		    // TODO Auto-generated method stub

		}

		@Override

		public void connectionFailed(String errorMsg) throws RemoteException {

		    // TODO Auto-generated method stub

		}

	    });

	} catch (RemoteException e) {

	    // TODO Auto-generated catch block

	    e.printStackTrace();

	}

    }

    /**

     * Close the connection to the xmpp server.

     */

    private void closeConnection() {

	if (mConnection != null)

	    mConnection.disconnect();

    }

}