/*
 * Catroid: An on-device visual programming system for Android devices
 * Copyright (C) 2010-2016 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.catroid.content.actions;

import android.util.Log;

import com.badlogic.gdx.scenes.scene2d.Action;

import org.catrobat.catroid.content.Sprite;
import org.catrobat.catroid.formulaeditor.Formula;
import org.catrobat.catroid.formulaeditor.InterpretationException;

public class WaitUntilAction extends Action {

	private boolean completed = false;
	private Formula condition;
	private Sprite sprite;
	private static final float LOOP_DELAY = 0.02f;
	private float currentTime = 0f;

	public WaitUntilAction() {
	}

	public void setCondition(Formula condition) {
		this.condition = condition;
	}

	public void setSprite(Sprite sprite) {
		this.sprite = sprite;
	}

	@Override
	public boolean act(float delta) {
		if (completed) {
			return true;
		}

		currentTime += delta;
		if (currentTime < LOOP_DELAY) {
			return false;
		} else {
			currentTime = 0.0f;
		}

		try {
			completed = condition.interpretBoolean(sprite);
		} catch (InterpretationException e) {
			completed = false;
			Log.d(getClass().getSimpleName(), "Formula interpretation for this specific Brick failed.", e);
		}

		return completed;
	}

	@Override
	public void restart() {
		completed = false;
	}
}