/*
 * 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 com.badlogic.gdx.scenes.scene2d.Actor;

import org.catrobat.catroid.content.Sprite;
import org.catrobat.catroid.devices.raspberrypi.RPiSocketConnection;
import org.catrobat.catroid.devices.raspberrypi.RaspberryPiService;
import org.catrobat.catroid.formulaeditor.Formula;
import org.catrobat.catroid.formulaeditor.InterpretationException;

public class RaspiIfLogicAction extends Action {

	private static final String TAG = RaspiIfLogicAction.class.getSimpleName();

	private Sprite sprite;
	private Action ifAction;
	private Action elseAction;
	private boolean isInitialized = false;
	private Formula pinNumber;
	private int pin;

	public void setPinNumber(Formula pinNumber) {
		this.pinNumber = pinNumber;
	}

	protected void begin() {
		Integer pinNumberInterpretation;

		try {
			pinNumberInterpretation = pinNumber == null ? Integer.valueOf(0) : pinNumber.interpretInteger(sprite);
		} catch (InterpretationException interpretationException) {
			pinNumberInterpretation = 0;
			Log.e(TAG, "Formula interpretation for this specific Brick failed.",
					interpretationException);
		}
		this.pin = pinNumberInterpretation;
	}

	@Override
	public boolean act(float delta) {
		if (!isInitialized) {
			begin();
			isInitialized = true;
		}

		if (readIfConditionValue()) {
			return ifAction.act(delta);
		} else {
			return elseAction.act(delta);
		}
	}

	protected boolean readIfConditionValue() {
		RPiSocketConnection connection = RaspberryPiService.getInstance().connection;
		try {
			Log.d(TAG, "RPi get " + pin);
			return connection.getPin(pin);
		} catch (Exception e) {
			Log.e(TAG, "RPi: exception during getPin: " + e);
		}
		return false;
	}

	@Override
	public void restart() {
		ifAction.restart();
		elseAction.restart();
		isInitialized = false;
		super.restart();
	}

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

	public void setIfAction(Action ifAction) {
		this.ifAction = ifAction;
	}

	public void setElseAction(Action elseAction) {
		this.elseAction = elseAction;
	}

	@Override
	public void setActor(Actor actor) {
		super.setActor(actor);
		ifAction.setActor(actor);
		elseAction.setActor(actor);
	}
}