/*
 * ******************************************************************************
 * sdrtrunk
 * Copyright (C) 2014-2018 Dennis Sheirer
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 * *****************************************************************************
 */

package io.github.dsheirer.map;

import io.github.dsheirer.identifier.Identifier;
import io.github.dsheirer.identifier.IdentifierCollection;
import io.github.dsheirer.module.decode.event.PlottableDecodeEvent;
import org.jdesktop.swingx.mapviewer.GeoPosition;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Plottable entity history with location history.
 */
public class PlottableEntityHistory
{
    private List<GeoPosition> mLocationHistory = new ArrayList<>();
    private PlottableDecodeEvent mCurrentEvent;
    private Identifier mIdentifier;

    /**
     * Constructs a plottable entity history
     */
    public PlottableEntityHistory(Identifier identifier, PlottableDecodeEvent event)
    {
        mIdentifier = identifier;
        add(event);
    }

    /**
     * Location history for this entity
     */
    public List<GeoPosition> getLocationHistory()
    {
        return Collections.unmodifiableList(mLocationHistory);
    }

    /**
     * Identifier for this plottable
     */
    public Identifier getIdentifier()
    {
        return mIdentifier;
    }

    /**
     * Identifier collection from the latest event for this plottable
     */
    public IdentifierCollection getIdentifierCollection()
    {
        return mCurrentEvent.getIdentifierCollection();
    }

    /**
     * Updates the entity history with a location from the latest decode event
     */
    public void add(PlottableDecodeEvent event)
    {
        mCurrentEvent = event;
        mLocationHistory.add(event.getLocation());
    }
}