/*----------------------------------------------------------------------------------------------------------------
 * CupCarbon: A Smart City & IoT Wireless Sensor Network Simulator
 * www.cupcarbon.com
 * ----------------------------------------------------------------------------------------------------------------
 * Copyright (C) 2013-2017 CupCarbon
 * ----------------------------------------------------------------------------------------------------------------
 * 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.
 *
 * 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/>.
 *----------------------------------------------------------------------------------------------------------------
 * CupCarbon U-One is part of the research project PERSEPTEUR supported by the
 * French Agence Nationale de la Recherche ANR
 * under the reference ANR-14-CE24-0017-01.
 * ----------------------------------------------------------------------------------------------------------------
 **/

package cupcarbon_script;

/**
 * @author Ahcene Bounceur
 * @author Molham Darwish
 * @version 1.0
 */

public class CupCommand_ENDWHILE extends CupCommand {

	protected boolean resultOfCondition = true ;	
	protected int index ;

	public CupCommand_ENDWHILE(CupScript script) {
		this.script = script ;
	}
	
	@Override
	public String execute() {
		String condition = getCurrentWhile().getArg().replaceFirst("while", "");
		
		CupEvalCondition evalCondtion = new CupEvalCondition(script);
		
		CupConditionElement conditionElement = evalCondtion.initCondition(condition);
		resultOfCondition = conditionElement.evaluate();
		
		CupCommand_WHILE cmdWhile =  this.getCurrentWhile();
		
		if (resultOfCondition)
			script.setIndex(cmdWhile.getIndex()-1);
		
		return "000 ENDWHILE";
	}
	
	public int getIndex() {
		return index;
	}


	public void setIndex(int index) {
		this.index = index;
	}

	@Override
	public String toString() {
		return "ENDWHILE";
	}
}