//
// $Id: JabberClient.java 3283 2004-12-22 19:23:00Z ray $
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/narya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package com.threerings.jme.client;

import com.jme.bui.BRootNode;
import com.jme.input.InputHandler;
import com.jme.renderer.Camera;
import com.jme.renderer.Renderer;
import com.jme.scene.Node;
import com.jme.system.DisplaySystem;

import com.samskivert.util.Config;
import com.threerings.util.MessageManager;

import com.threerings.presents.client.Client;
import com.threerings.presents.client.SessionObserver;
import com.threerings.presents.dobj.DObjectManager;

import com.threerings.crowd.chat.client.ChatDirector;
import com.threerings.crowd.client.LocationDirector;
import com.threerings.crowd.client.OccupantDirector;
import com.threerings.crowd.client.PlaceView;
import com.threerings.crowd.util.CrowdContext;

import com.threerings.jme.JmeContext;

/**
 * The Jabber client takes care of instantiating all of the proper
 * managers and loading up all of the necessary configuration and getting
 * the client bootstrapped. It can be extended by games that require an
 * extended context implementation.
 */
public class JabberClient
    implements SessionObserver
{
    /**
     * Initializes a new client and provides it with a frame in which to
     * display everything.
     */
    public void init (JabberApp app)
    {
        _app = app;

        // create our context
        _ctx = createContextImpl();

        // create the directors/managers/etc. provided by the context
        createContextServices(app);

        // for test purposes, hardcode the server info
        _client.setServer("localhost", 4007);
        _client.addClientObserver(this);
    }

    /**
     * Returns a reference to the context in effect for this client. This
     * reference is valid for the lifetime of the application.
     */
    public CrowdContext getContext ()
    {
        return _ctx;
    }

    // documentation inherited from interface SessionObserver
    public void clientDidLogon (Client client)
    {
        // enter the one and only chat room; giant hack warning: we know
        // that the place we're headed to is ID 2 because there's only one
        // place on the whole server; a normal client would either issue
        // an invocation service request at this point or look at
        // something in the BootstrapData to figure out what to do
        _ctx.getLocationDirector().moveTo(2);
    }

    // documentation inherited from interface SessionObserver
    public void clientObjectDidChange (Client client)
    {
        // nada
    }

    // documentation inherited from interface SessionObserver
    public void clientDidLogoff (Client client)
    {
        System.exit(0);
    }

    /**
     * Creates the {@link JabberContext} implementation that will be
     * passed around to all of the client code. Derived classes may wish
     * to override this and create some extended context implementation.
     */
    protected CrowdContext createContextImpl ()
    {
        return new JabberContextImpl();
    }

    /**
     * Creates and initializes the various services that are provided by
     * the context. Derived classes that provide an extended context
     * should override this method and create their own extended
     * services. They should be sure to call
     * <code>super.createContextServices</code>.
     */
    protected void createContextServices (JabberApp app)
    {
        // create the handles on our various services
        _client = new Client(null, app);

        // create our managers and directors
        _locdir = new LocationDirector(_ctx);
        _occdir = new OccupantDirector(_ctx);
        _msgmgr = new MessageManager(MESSAGE_MANAGER_PREFIX);
        _chatdir = new ChatDirector(_ctx, _msgmgr, null);
    }

    /**
     * The context implementation. This provides access to all of the
     * objects and services that are needed by the operating client.
     */
    protected class JabberContextImpl implements CrowdContext, JmeContext
    {
        /**
         * Apparently the default constructor has default access, rather
         * than protected access, even though this class is declared to be
         * protected. Why, I don't know, but we need to be able to extend
         * this class elsewhere, so we need this.
         */
        protected JabberContextImpl () {
        }

        public Client getClient () {
            return _client;
        }

        public DObjectManager getDObjectManager () {
            return _client.getDObjectManager();
        }

        public Config getConfig () {
            return _config;
        }

        public LocationDirector getLocationDirector () {
            return _locdir;
        }

        public OccupantDirector getOccupantDirector () {
            return _occdir;
        }

        public ChatDirector getChatDirector () {
            return _chatdir;
        }

        public void setPlaceView (PlaceView view) {
            // TBD
        }

        public void clearPlaceView (PlaceView view) {
            // we'll just let the next place view replace our old one
        }

        public Renderer getRenderer () {
            return _app.getContext().getRenderer();
        }

        public DisplaySystem getDisplay () {
            return _app.getContext().getDisplay();
        }

        public Camera getCamera () {
            return _app.getContext().getCamera();
        }

        public Node getGeometry () {
            return _app.getContext().getGeometry();
        }

        public Node getInterface () {
            return _app.getContext().getInterface();
        }

        public InputHandler getInputHandler () {
            return _app.getContext().getInputHandler();
        }

//         public InputHandler getBufferedInputHandler () {
//             return _app.getContext().getBufferedInputHandler();
//         }

        public BRootNode getRootNode () {
            return _app.getContext().getRootNode();
        }
    }

    protected CrowdContext _ctx;
    protected JabberApp _app;
    protected Config _config = new Config("jabber");

    protected Client _client;
    protected LocationDirector _locdir;
    protected OccupantDirector _occdir;
    protected ChatDirector _chatdir;
    protected MessageManager _msgmgr;

    /** The prefix prepended to localization bundle names before looking
     * them up in the classpath. */
    protected static final String MESSAGE_MANAGER_PREFIX = "rsrc.i18n";
}