package de.vanitasvitae.enigmandroid.enigma;

import android.util.Log;

import java.math.BigInteger;

import de.vanitasvitae.enigmandroid.MainActivity;
import de.vanitasvitae.enigmandroid.enigma.parts.EntryWheel;
import de.vanitasvitae.enigmandroid.enigma.parts.Reflector;
import de.vanitasvitae.enigmandroid.enigma.parts.Rotor;

/**
 * Implementation of the Enigma machine of name G31 (Abwehr)
 * Copyright (C) 2015  Paul Schaub

 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.
 * @author vanitasvitae
 */
public class Enigma_G260 extends Enigma_G31
{
	public Enigma_G260()
	{
		super();
		machineType = "G260";
		Log.d(MainActivity.APP_ID, "Created Enigma G260");
	}

	@Override
	protected void establishAvailableParts()
	{
		addAvailableEntryWheel(new EntryWheel.EntryWheel_QWERTZ());
		addAvailableRotor(new Rotor.Rotor_G260_I(0, 0));
		addAvailableRotor(new Rotor.Rotor_G260_II(0, 0));
		addAvailableRotor(new Rotor.Rotor_G260_III(0, 0));
		addAvailableReflector(new Reflector.Reflector_K_G260());
	}

	@Override
	public BigInteger getEncodedState(int protocol_version)
	{
		BigInteger s = BigInteger.valueOf(reflector.getRingSetting());
		s = addDigit(s, reflector.getRotation(), 26);
		s = addDigit(s, rotor3.getRingSetting(), 26);
		s = addDigit(s, rotor3.getRotation(), 26);
		s = addDigit(s, rotor2.getRingSetting(), 26);
		s = addDigit(s, rotor2.getRotation(), 26);
		s = addDigit(s, rotor1.getRingSetting(), 26);
		s = addDigit(s, rotor1.getRotation(), 26);

		s = addDigit(s, rotor3.getIndex(), availableRotors.size());
		s = addDigit(s, rotor2.getIndex(), availableRotors.size());
		s = addDigit(s, rotor1.getIndex(), availableRotors.size());

		s = addDigit(s, 5, 20); //Machine #5
		s = addDigit(s, protocol_version, MainActivity.max_protocol_version);

		return s;
	}
}