/*
 * Copyright (c) 2012, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.addons.widgets.mediaplayer.impl.ole;

import java.io.File;
import java.io.InputStream;
import java.net.MalformedURLException;

import org.jowidgets.addons.widgets.mediaplayer.api.IMediaPlayer;
import org.jowidgets.addons.widgets.mediaplayer.api.IMediaPlayerSetupBuilder;
import org.jowidgets.addons.widgets.ole.api.IOleAutomation;
import org.jowidgets.addons.widgets.ole.api.IOleControl;
import org.jowidgets.tools.widgets.wrapper.ControlWrapper;
import org.jowidgets.util.Assert;
import org.jowidgets.util.io.FileUtils;
import org.jowidgets.util.io.ITempFileFactory;

class MediaPlayerImpl extends ControlWrapper implements IMediaPlayer {

    private static final String PROPERTY_URL = "URL";
    private static final String PROPERTY_CONTROLS = "controls";
    private static final String PROPERTY_CURRENT_POSITION = "CurrentPosition";
    private static final String METHOD_STOP = "stop";
    private static final String METHOD_CLOSE = "close";
    private static final String WM_PLAYER_PROG_ID = "WMPlayer.OCX";

    private final ITempFileFactory tempFileFactory;
    private File tmpFile;

    MediaPlayerImpl(final IOleControl oleControl, final IMediaPlayerSetupBuilder<?> setup) {
        super(oleControl);
        this.tempFileFactory = setup.getTempFileFactory();
        oleControl.setDocument(WM_PLAYER_PROG_ID);
    }

    @Override
    protected IOleControl getWidget() {
        return (IOleControl) super.getWidget();
    }

    @Override
    public void clear() {
        final IOleControl oleControl = getWidget();
        final IOleAutomation controls = oleControl.getAutomation().getProperty(PROPERTY_CONTROLS);
        controls.invoke(METHOD_STOP);
        oleControl.getAutomation().invoke(METHOD_CLOSE);
        oleControl.setDocument(WM_PLAYER_PROG_ID);
        controls.dispose();

        deleteTempFile();
    }

    @Override
    public void open(final String url) {
        Assert.paramNotNull(url, "url");
        getWidget().getAutomation().setProperty(PROPERTY_URL, url);
        //TODO MG enhance player with more media lifecycle methods
        //		getWidget().getAutomation().addEventListener(EventIds.MEDIA_CHANGE, new IOleEventListener() {
        //			@Override
        //			public void handleEvent(final IOleEvent event) {
        //				final IOleAutomation media = getWidget().getAutomation().getProperty("currentMedia");
        //				final Double duration = media.getProperty("duration");
        //CHECKSTYLE:OFF
        //				System.out.println("Duration: " + duration / 60 + "Minutes");
        //CHECKSTYLE:ON
        //			}
        //		});
    }

    @Override
    public void open(final File file) {
        Assert.paramNotNull(file, "file");
        try {
            open(file.toURI().toURL().toString());
        }
        catch (final MalformedURLException e) {
            throw new RuntimeException("Can not resolve file url", e);
        }
    }

    @Override
    public void open(final InputStream inputStream) {
        Assert.paramNotNull(inputStream, "inputStream");
        deleteTempFile();
        final File tmp = tempFileFactory.create("MediaPlayerTemp", ".wmv");
        FileUtils.inputStreamToFile(inputStream, tmp);
        open(tmp);
        tmpFile = tmp;
    }

    @Override
    public long getCurrentPosition() {
        final IOleAutomation controls = getWidget().getAutomation().getProperty(PROPERTY_CONTROLS);
        if (controls != null) {
            final Double result = controls.getProperty(PROPERTY_CURRENT_POSITION);
            if (result != null) {
                return (long) (result * 1000d);
            }
        }
        return -1;
    }

    @Override
    public void dispose() {
        final IOleControl oleControl = getWidget();
        final IOleAutomation controls = oleControl.getAutomation().getProperty(PROPERTY_CONTROLS);
        controls.invoke(METHOD_STOP);
        oleControl.getAutomation().invoke(METHOD_CLOSE);
        controls.dispose();
        deleteTempFile();
        super.dispose();
    }

    private void deleteTempFile() {
        if (tmpFile != null) {
            tmpFile.delete();
        }
    }

}