/*
 * Copyright (c) 2018. Developed by Hedgecode.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.hedgecode.chess.uci;

/**
 * UCI protocol constants.
 *
 * @author Dmitry Samoshin aka gotty
 */
public final class UCIConstants {

    public static final String UCI = "uci";
    public static final String DEBUG = "debug";
    public static final String IS_READY = "isready";
    public static final String SET_OPTION = "setoption";
    public static final String REGISTER = "register";
    public static final String UCI_NEW_GAME = "ucinewgame";
    public static final String POSITION = "position";
    public static final String GO = "go";
    public static final String STOP = "stop";
    public static final String PONDER_HIT = "ponderhit";
    public static final String QUIT = "quit";

    public static final String ID = "id";
    public static final String UCI_OK = "uciok";
    public static final String READY_OK = "readyok";
    public static final String BEST_MOVE = "bestmove";
    public static final String COPY_PROTECTION = "copyprotection";
    public static final String REGISTRATION = "registration";
    public static final String INFO = "info";
    public static final String OPTION = "option";
    public static final String TERMINATE = "terminate";

    public static final String COMMAND_SEP_REGEX = "\\s+";

    public static final String NULLMOVE = "0000";
    public static final String MOVE_REGEX = "^([a-h][1-8])([a-h][1-8])([nbrq])?$";
    public static final int MOVE_REGEX_FROM = 1;
    public static final int MOVE_REGEX_TO = 2;
    public static final int MOVE_REGEX_PROMOTE = 3;

    public static final String LOCALE_BUNDLE_FILE = "org.hedgecode.chess.uci.LocalStrings";


    private UCIConstants() {
        throw new AssertionError(
                "No org.hedgecode.chess.uci.UCIConstants instances!"
        );
    }

}