/*
 * Copyright (c) 2015-2019. Developed by Hedgecode.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.hedgecode.xml.xspf.bind;

import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;

import org.hedgecode.xml.xspf.rng.Album;
import org.hedgecode.xml.xspf.rng.Duration;
import org.hedgecode.xml.xspf.rng.Identifier;
import org.hedgecode.xml.xspf.rng.Location;
import org.hedgecode.xml.xspf.rng.Track;
import org.hedgecode.xml.xspf.rng.TrackNum;

/**
 *
 *
 * @author Dmitry Samoshin aka gotty
 */
public class RNGTrackBinder extends AbstractRNGBinder implements TrackBinder {

    private Track rngTrack;

    public RNGTrackBinder() {
        this.rngTrack = RNG_FACTORY.createTrack();
    }

    public RNGTrackBinder(Track rngTrack) {
        this.rngTrack = rngTrack;
    }

    @Override
    protected Object getElement(Class elementClass) {
        for (Object element : rngTrack.getLocationOrIdentifierOrTitle()) {
            if (element.getClass().equals(elementClass))
                return element;
        }
        return null;
    }

    @Override
    protected List<Object> getElements(Class elementClass) {
        List<Object> elements = new ArrayList<>();
        for (Object element : rngTrack.getLocationOrIdentifierOrTitle()) {
            if (element.getClass().equals(elementClass))
                elements.add(element);
        }
        return elements;
    }

    @Override
    protected List<Object> getAllElements() {
        return rngTrack.getLocationOrIdentifierOrTitle();
    }

    @Override
    public List<String> getLocations() {
        List<String> locations = new ArrayList<>();
        for (Object element : getElements(Location.class)) {
            Location locationElement = (Location) element;
            locations.add(
                    locationElement.getValue()
            );
        }
        return locations;
    }

    @Override
    public void addLocation(String location) {
        if (location != null) {
            Location locationElement = RNG_FACTORY.createLocation();
            locationElement.setValue(location);
            getAllElements().add(locationElement);
        }
    }

    @Override
    public List<String> getIdentifiers() {
        List<String> identifiers = new ArrayList<>();
        for (Object element : getElements(Identifier.class)) {
            Identifier identifierElement = (Identifier) element;
            identifiers.add(
                    identifierElement.getValue()
            );
        }
        return identifiers;
    }

    @Override
    public void addIdentifier(String identifier) {
        if (identifier != null) {
            Identifier identifierElement = RNG_FACTORY.createIdentifier();
            identifierElement.setValue(identifier);
            getAllElements().add(identifierElement);
        }
    }

    @Override
    public String getAlbum() {
        Album albumElement = (Album) getElement(Album.class);
        return albumElement != null ? albumElement.getContent() : null;
    }

    @Override
    public void setAlbum(String album) {
        Album albumElement = (Album) getElement(Album.class);
        if (albumElement != null)
            getAllElements().remove(albumElement);
        if (album != null) {
            albumElement = RNG_FACTORY.createAlbum();
            albumElement.setContent(album);
            getAllElements().add(albumElement);
        }
    }

    @Override
    public Integer getTrackNum() {
        TrackNum trackNumElement = (TrackNum) getElement(TrackNum.class);
        return trackNumElement != null && trackNumElement.getValue() != null
                ? trackNumElement.getValue().intValue()
                : null;
    }

    @Override
    public void setTrackNum(Integer trackNum) {
        TrackNum trackNumElement = (TrackNum) getElement(TrackNum.class);
        if (trackNumElement != null)
            getAllElements().remove(trackNumElement);
        if (trackNum != null) {
            trackNumElement = RNG_FACTORY.createTrackNum();
            trackNumElement.setValue(
                    BigInteger.valueOf(trackNum)
            );
            getAllElements().add(trackNumElement);
        }
    }

    @Override
    public Integer getDuration() {
        Duration durationElement = (Duration) getElement(Duration.class);
        return durationElement != null && durationElement.getValue() != null
                ? durationElement.getValue().intValue()
                : null;
    }

    @Override
    public void setDuration(Integer duration) {
        Duration durationElement = (Duration) getElement(Duration.class);
        if (durationElement != null)
            getAllElements().remove(durationElement);
        if (duration != null) {
            durationElement = RNG_FACTORY.createDuration();
            durationElement.setValue(
                    BigInteger.valueOf(duration)
            );
            getAllElements().add(durationElement);
        }
    }

}