/*
 * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.dmdirc.addons.ui_web;

import com.dmdirc.Channel;
import com.dmdirc.FrameContainer;
import com.dmdirc.Query;
import com.dmdirc.Server;
import com.dmdirc.WritableFrameContainer;
import com.dmdirc.addons.ui_web.uicomponents.WebMainWindow;
import com.dmdirc.addons.ui_web.uicomponents.WebStatusBar;
import com.dmdirc.config.prefs.PreferencesInterface;
import com.dmdirc.ui.core.components.StatusBarManager;
import com.dmdirc.ui.core.dialogs.sslcertificate.SSLCertificateDialogModel;
import com.dmdirc.ui.interfaces.ChannelWindow;
import com.dmdirc.ui.interfaces.InputWindow;
import com.dmdirc.ui.interfaces.MainWindow;
import com.dmdirc.ui.interfaces.QueryWindow;
import com.dmdirc.ui.interfaces.ServerWindow;
import com.dmdirc.ui.interfaces.StatusBar;
import com.dmdirc.ui.interfaces.UIController;
import com.dmdirc.ui.interfaces.UpdaterDialog;
import com.dmdirc.ui.interfaces.Window;
import com.dmdirc.updater.Update;

import java.net.URI;
import java.util.List;

import org.mortbay.jetty.Handler;
import org.mortbay.jetty.security.Constraint;
import org.mortbay.jetty.security.ConstraintMapping;
import org.mortbay.jetty.security.SecurityHandler;

/**
 * Creates and manages the web server and handles UI-wide events.
 *
 * @author chris
 */
public class WebInterfaceUI implements UIController {

    /** The domain used for config settings. */
    public static final String DOMAIN = "plugin-webui";

    /** The web server we're using. */
    private final org.mortbay.jetty.Server webServer;

    /** The window manager for this UI. */
    private final WebWindowManager windowManager;

    /**
     * Creates a new WebInterfaceUI belonging to the specified plugin.
     *
     * @param plugin The plugin which owns this Web UI
     */
    public WebInterfaceUI(final WebInterfacePlugin plugin) {
        final SecurityHandler sh = new SecurityHandler();
        final Constraint constraint = new Constraint();
        final ConstraintMapping cm = new ConstraintMapping();

        constraint.setName("DMDirc Web UI");
        constraint.setRoles(new String[]{"user"});
        constraint.setAuthenticate(true);

        cm.setConstraint(constraint);
        cm.setPathSpec("/*");

        sh.setUserRealm(new WebUserRealm());
        sh.setConstraintMappings(new ConstraintMapping[]{cm});

        webServer = new org.mortbay.jetty.Server(5978);

        webServer.setHandlers(new Handler[]{
            sh,
            new RootRequestHandler(),
            new StaticRequestHandler(),
            new DMDircRequestHandler(),
            new DynamicRequestHandler(this),
        });

        try {
            webServer.start();
        } catch (Exception ex) {
            // Break horribly!
        }

        windowManager = new WebWindowManager(this);

        StatusBarManager.getStatusBarManager().registerStatusBar(new WebStatusBar());
    }

    public WebWindowManager getWindowManager() {
        return windowManager;
    }

    /**
     * Adds the specified handler to the webserver.
     *
     * @param newHandler The handler to add.
     */
    public void addWebHandler(final Handler newHandler) {
        webServer.addHandler(newHandler);
    }

    /** {@inheritDoc} */
    @Override
    public MainWindow getMainWindow() {
        return new WebMainWindow();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Should not be used externally - use the
     * {@link com.dmdirc.ui.core.components.StatusBarManager} instead.
     */
    @Override
    @Deprecated
    public StatusBar getStatusBar() {
        return new WebStatusBar();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Controllers should listen for window events using a
     * {@link FrameListener} and create windows as needed.
     */
    @Override @Deprecated
    public ChannelWindow getChannel(final Channel channel) {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Controllers should listen for window events using a
     * {@link FrameListener} and create windows as needed.
     */
    @Override @Deprecated
    public ServerWindow getServer(final Server server) {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Controllers should listen for window events using a
     * {@link FrameListener} and create windows as needed.
     */
    @Override @Deprecated
    public QueryWindow getQuery(final Query query) {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Controllers should listen for window events using a
     * {@link FrameListener} and create windows as needed.
     */
    @Override @Deprecated
    public Window getWindow(final FrameContainer<?> owner) {
        throw new UnsupportedOperationException();
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Controllers should listen for window events using a
     * {@link FrameListener} and create windows as needed.
     */
    @Override @Deprecated
    public InputWindow getInputWindow(final WritableFrameContainer<?> owner) {
        throw new UnsupportedOperationException();
    }

    /** {@inheritDoc} */
    @Override
    public UpdaterDialog getUpdaterDialog(final List<Update> updates) {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    /** {@inheritDoc} */
    @Override
    public void showFirstRunWizard() {
        // Do nothing
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Migration wizard is no longer used or needed
     */
    @Override
    @Deprecated
    public void showMigrationWizard() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    /** {@inheritDoc} */
    @Override
    public void showChannelSettingsDialog(final Channel channel) {
        // Do nothing
    }

    /** {@inheritDoc} */
    @Override
    public void showServerSettingsDialog(final Server server) {
        // Do nothing
    }

    /** {@inheritDoc} */
    @Override
    public void initUISettings() {
        // Do nothing
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Use {@link WindowManager#getActiveWindow()} instead
     */
    @Override @Deprecated
    public Window getActiveWindow() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @deprecated Use {@link WindowManager#getActiveWindow()} instead
     */
    @Override @Deprecated
    public Server getActiveServer() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    /** {@inheritDoc} */
    @Override
    public void showURLDialog(final URI url) {
        // Do nothing
    }

    /** {@inheritDoc} */
    @Override
    public void showFeedbackNag() {
        // Do nothing
    }

    /** {@inheritDoc} */
    @Override
    public void showMessageDialog(final String title, final String message) {
        // Do nothing
    }

    /** {@inheritDoc} */
    @Override
    public String getUserInput(final String prompt) {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    /** {@inheritDoc} */
    @Override
    public void showSSLCertificateDialog(final SSLCertificateDialogModel model) {
        // Do nothing
    }

    @Override
    public PreferencesInterface getPluginPrefsPanel() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public PreferencesInterface getUpdatesPrefsPanel() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public PreferencesInterface getUrlHandlersPrefsPanel() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public PreferencesInterface getThemesPrefsPanel() {
        //TODO FIXME
        throw new UnsupportedOperationException("Not supported yet.");
    }

}