package com.beem.project.beem;

import org.jivesoftware.smack.ConnectionConfiguration;

import org.jivesoftware.smack.Roster;

import org.jivesoftware.smack.XMPPConnection;

import org.jivesoftware.smack.ConnectionConfiguration.SecurityMode;

import org.jivesoftware.smack.Roster.SubscriptionMode;

import org.jivesoftware.smack.proxy.ProxyInfo;

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

import org.jivesoftware.smack.util.StringUtils;

import android.app.Notification;

import android.app.NotificationManager;

import android.app.Service;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.SharedPreferences.Editor;

import android.os.IBinder;

import android.os.RemoteException;

import android.preference.PreferenceManager;

import android.util.Log;

import com.beem.project.beem.jingle.JingleService;

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

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

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 = 100;

    private static final int DEFAULT_XMPP_PORT = 5222;

    private NotificationManager mNotificationManager;

    private XmppConnectionAdapter mConnection;

    private JingleService mJingle;

    private SharedPreferences mSettings;

    private String mLogin;

    private String mPassword;

    private String mHost;

    private String mService;

    private int mPort;

    private ConnectionConfiguration mConnectionConfiguration;

    private ProxyInfo mProxyInfo;

    private boolean mUseProxy;

    private IXmppFacade.Stub mBind;

    /**

     * Constructor.

     */

    public BeemService() {

    }

    /**

     * Initialise la configuration de la connexion.

     */

    private void initConnectionConfig() {

	java.security.Security.addProvider(new com.sun.security.sasl.Provider());

	mUseProxy = mSettings.getBoolean("settings_key_proxy_use", false);

	if (mUseProxy) {

	    String stype = mSettings.getString("settings_key_proxy_type", "HTTP");

	    String phost = mSettings.getString("settings_key_proxy_server", "");

	    String puser = mSettings.getString("settings_key_proxy_username", "");

	    String ppass = mSettings.getString("settings_key_proxy_password", "");

	    int pport = Integer.parseInt(mSettings.getString("settings_key_proxy_port", "1080"));

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

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

	    if (mService != null)

		mConnectionConfiguration = new ConnectionConfiguration(mHost, mPort, mService, mProxyInfo);

	    else

		mConnectionConfiguration = new ConnectionConfiguration(mHost, mPort, mProxyInfo);

	} else {

	    if (mService != null)

		mConnectionConfiguration = new ConnectionConfiguration(mHost, mPort, mService);

	    else

		mConnectionConfiguration = new ConnectionConfiguration(mHost, mPort);

	}

	if (mSettings.getBoolean("settings_key_xmpp_tls_use", false)

	    || mSettings.getBoolean("settings_key_gmail", false)) {

	    mConnectionConfiguration.setSecurityMode(SecurityMode.required);

	}

	mConnectionConfiguration.setDebuggerEnabled(false);

	mConnectionConfiguration.setSendPresence(true);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public IBinder onBind(Intent intent) {

	Log.d("BEEMSERVICE", "ONBIND()");

	return mBind;

    }

    @Override

    public boolean onUnbind(Intent intent) {

	Log.d("BEEMSERVICE", "ONUNBIND()");

	if (!mConnection.getAdaptee().isConnected()) {

	    Log.d("BEEMSERVICE", "DESTROYED");

	    this.stopSelf();

	}

	return true;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onCreate() {

	super.onCreate();

	mSettings = PreferenceManager.getDefaultSharedPreferences(this);

	String tmpJid = mSettings.getString("settings_key_account_username", "");

	mLogin = StringUtils.parseName(tmpJid);

	mPassword = mSettings.getString("settings_key_account_password", "");

	mPort = DEFAULT_XMPP_PORT;

	mService = StringUtils.parseServer(tmpJid);

	mHost = StringUtils.parseServer(tmpJid);

	if (mSettings.getBoolean("settings_key_specific_server", false)) {

	    mHost = mSettings.getString("settings_key_xmpp_server", "");

	    mPort = Integer.parseInt(mSettings.getString("settings_key_xmpp_port", "5222"));

	}

	if (mSettings.getBoolean("settings_key_gmail", false)) {

	    mHost = "talk.google.com";

	    mLogin = tmpJid;

	}

	initConnectionConfig();

	mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

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

	Roster.setDefaultSubscriptionMode(SubscriptionMode.manual);

	mJingle = new JingleService(mConnection.getAdaptee());

	mBind = new XmppFacade(mConnection, this, mJingle);

	Log.d("BEEEMSERVICE", "ONCREATE");

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onDestroy() {

	super.onDestroy();

	mNotificationManager.cancel(NOTIFICATION_STATUS_ID);

	if (mConnection.isAuthentificated())

	    mConnection.disconnect();

	Log.d("BEEEMSERVICE", "ONDESTROY");

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void onStart(Intent intent, int startId) {

	super.onStart(intent, startId);

	Log.d("BEEMSERVICE", "onStart");

	try {

	    mConnection.connectAsync();

	} catch (RemoteException e) {

	    e.printStackTrace();

	}

    }

    /**

     * 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);

    }

    /**

     * Delete a notification.

     * @param id the id of the notification

     */

    public void deleteNotification(int id) {

	mNotificationManager.cancel(id);

    }

    /**

     * Reset the status to online after a deconnection.

     */

    public void resetStatus() {

	Editor edit = mSettings.edit();

	edit.putInt(getString(R.string.PreferenceStatus), 1);

	edit.commit();

    }

    /**

     * init jingle from XmppConnectionAdapter.

     * @param adaptee XmppConntection used for jingle.

     */

    public void initJingle(XMPPConnection adaptee) {

	mJingle.initWhenConntected(adaptee);

    }

    public IXmppFacade getBind() {

	return mBind;

    }

}