package org.linphone;

/*
BandwithManager.java
Copyright (C) 2017  Belledonne Communications, Grenoble, France

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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import org.linphone.core.CallParams;
import org.linphone.core.Core;

public class BandwidthManager {

	public static final int HIGH_RESOLUTION = 0;
	public static final int LOW_RESOLUTION = 1;
	public static final int LOW_BANDWIDTH = 2;

	private static BandwidthManager instance;

	private int currentProfile = HIGH_RESOLUTION;
	public int getCurrentProfile() {return currentProfile;}

	public static final synchronized BandwidthManager getInstance() {
		if (instance == null) instance = new BandwidthManager();
		return instance;
	}


	private BandwidthManager() {
		// FIXME register a listener on NetworkManager to get notified of network state
		// FIXME register a listener on Preference to get notified of change in video enable value

		// FIXME initially get those values
	}


	public void updateWithProfileSettings(Core lc, CallParams callParams) {
		if (callParams != null) { // in call
			// Update video parm if
			if (!isVideoPossible()) { // NO VIDEO
				callParams.enableVideo(false);
				callParams.setAudioBandwidthLimit(40);
			} else {
				callParams.enableVideo(true);
				callParams.setAudioBandwidthLimit(0); // disable limitation
			}
		}
	}

	public boolean isVideoPossible() {
		return currentProfile != LOW_BANDWIDTH;
	}
}