/**
 * <PRE>
 * OLAT - Online Learning and Training
 * http://www.olat.org
 * 
 * This software is protected by the OLAT software license. 
 * Use is subject to license terms.
 * See LICENSE.TXT in this distribution for details.
 * 
 * Copyright (c) 2003 OLAT Zentrum, University of Zurich, Switzerland.
 * All rights reserved.
 * </PRE>
 * Description:<BR/>
 * TODO: Class Description for SmackInstantMessagingImpl
 * 
 * <P/>
 * @version $Revision: 1.13 $
 * Initial Date:  18.01.2005
 * Last modified: $Date: 2005/01/27 17:04:30 $
 *
 * @author guido 
 */
package org.olat.instantMessaging;

import java.util.Map;

import org.jivesoftware.smack.packet.Presence;
import org.olat.collaboration.CollaborationMultiUserEvent;
import org.olat.gui.UserRequest;
import org.olat.gui.control.Controller;
import org.olat.gui.control.Event;
import org.olat.gui.control.WindowControl;
import org.olat.instantMessaging.ui.ConferenceRoomController;
import org.olat.instantMessaging.ui.FlashClientController;
import org.olat.instantMessaging.ui.InstantMessagingClientController;

/**
 *  
 */
public class SmackInstantMessagingImpl implements InstantMessaging {

    private final String PROVIDER_CHATROOMS="CHATROOM";
    private final SynchronizeBuddygroupsOverHTTP buddyListSync = new SynchronizeBuddygroupsOverHTTP();

	/**
     * for clarity since needed for dynamic class loading
     */
    public SmackInstantMessagingImpl() {
        super();
    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#initAtStartup(org.olat.instantMessaging.InfoHandler)
     */
    public void initAtStartup(InfoHandler infohandler) {
        
    	//buddyListSync.addUsersToSharedGroup();
    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#createClientController(org.olat.gui.UserRequest,
     *      org.olat.gui.control.WindowControl)
     */
    public Controller createClientController(UserRequest ureq,
            WindowControl wControl) {
        return new InstantMessagingClientController(ureq);
    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#createChatRoomLinkController(boolean,
     *      java.lang.String, java.lang.String, org.olat.gui.UserRequest,
     *      org.olat.gui.control.WindowControl)
     */
    public Controller createChatRoomLinkController(boolean passwordProtected,
        String resourceId, String chatRoomName, UserRequest ureq,
        WindowControl wControl) {
    	if(passwordProtected){
    		//TODO:gs save password in database for later usage
    		//Authentication auth = ManagerFactory.getManager()
			//.findAuthentication(identity, PROVIDER_CHATROOMS);
//    		String pw = RandomStringUtils.randomAlphanumeric(6);
//    		ConferenceRoomManager.getInstance().createChatRoom(resourceId, chatRoomName, pw);
    	}else{
    		//ConferenceRoomManager.getInstance().createChatRoom(resourceId, chatRoomName);
		}
        return new ConferenceRoomController(ureq, resourceId, chatRoomName);
    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#createFlashClientController(org.olat.gui.UserRequest,
     *      org.olat.gui.control.WindowControl, String, String)
     */
    public Controller createFlashClientController(UserRequest ureq,
            WindowControl wControl, String chatPartner, String chatRoom) {
        String username = ureq.getIdentity().getName();
        return new FlashClientController(ureq, username, ClientManager
                .getInstance().getInstantMessagingClient(username)
                .getPassword(), chatPartner, chatRoom);

    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#addUserToFriendsRoster(org.olat.instantMessaging.VisibilityGroup,
     *      java.lang.String)
     */
    public void addUserToFriendsRoster(VisibilityGroup group, String username) {
        // TODO Auto-generated method stub

    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#removeUserFromFriendsRoster(org.olat.instantMessaging.VisibilityGroup,
     *      java.lang.String)
     */
    public void removeUserFromFriendsRoster(VisibilityGroup group,
            String username) {
        // TODO Auto-generated method stub

    }

    /**
     * 
     * 
     * @see org.olat.instantMessaging.InstantMessaging#sendStatus(java.lang.String,
     *      java.lang.String)
     */
    public void sendStatus(String username, String message) {
        ClientManager.getInstance().getInstantMessagingClient(username)
                .sendPresence(Presence.Type.AVAILABLE, message, 1,
                        Presence.Mode.AVAILABLE);
    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#joinRoom(java.lang.String,
     *      java.lang.String, java.lang.String)
     */
    public void joinRoom(String username, String roomName, String password) {
        //TODO:gs make password protected rooms possible
        ClientManager.getInstance().getInstantMessagingClient(username)
                .sendConferenceParamsToFlashClient(roomName);

    }

    /**
     * 
     * @see org.olat.instantMessaging.InstantMessaging#startChat(java.lang.String,
     *      java.lang.String)
     */
    public void startChat(String username, String chatPartnerJid) {
        InstantMessagingClient imClient = ClientManager.getInstance()
                .getInstantMessagingClient(username);
        if (imClient.getFlashClientIsRunning())
            imClient.sendChatParamsToFlashClient(chatPartnerJid, imClient
                    .getMessage().getBody());

    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#isFlashClientRunning(java.lang.String)
     */
    public boolean isFlashClientRunning(String username) {
        return ClientManager.getInstance().getInstantMessagingClient(username)
                .getFlashClientIsRunning();
    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#getIMPassword(java.lang.String)
     */
    public String getIMPassword(String username) {
        return ClientManager.getInstance().getInstantMessagingClient(username).getPassword();
        
    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#getClients()
     */
    public Map getClients() {
        return ClientManager.getInstance().getClients();
    }

    /**
     * @see org.olat.instantMessaging.InstantMessaging#enableChat(java.lang.String)
     */
    public void enableChat(String username) {
        ClientManager.getInstance()
			.getInstantMessagingClient(username).enableCollaboration();
    }

    /**
     * @param username
     * @param reason A resason why the chat is disabled like "Doing test"
     * @see org.olat.instantMessaging.InstantMessaging#disableChat(java.lang.String, java.lang.String)
     */
    public void disableChat(String username, String reason) {
        ClientManager.getInstance()
    		.getInstantMessagingClient(username).disableCollaboration(reason);
    }

		/**
		 * @see org.olat.util.event.GenericEventListener#event(org.olat.gui.control.Event)
		 */
		public void event(Event event) {
			if (event instanceof CollaborationMultiUserEvent) {
				CollaborationMultiUserEvent cmue = (CollaborationMultiUserEvent)event;
				if (cmue.getCommand().equals(CollaborationMultiUserEvent.CMD_COLLAB_DISABLE)) {
					disableChat(cmue.getAffectedIdentity().getName(), "Working on test (IM disabled)");
				} else if (cmue.getCommand().equals(CollaborationMultiUserEvent.CMD_COLLAB_ENABLE)) {
					enableChat(cmue.getAffectedIdentity().getName());
				}
			}
		}
}