/*
 * 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.wiki;

import java.util.HashMap;
import java.util.Map;

import org.hedgecode.chess.position.Color;
import org.hedgecode.chess.position.ColorPiece;
import org.hedgecode.chess.position.Piece;

/**
 * Wikipedia chess diagram constants.
 *
 * @author Dmitry Samoshin aka gotty
 */
public final class Wiki {

    public static final String CRLF = System.lineSeparator();

    public static final String EMPTY = "  ";
    public static final String SEPARATOR = "|";

    public static final String TEMPLATE_BEGIN = "{{";
    public static final String TEMPLATE_END = "}}";

    public static final String WHITE_PAWN   = "pl";
    public static final String WHITE_KNIGHT = "nl";
    public static final String WHITE_BISHOP = "bl";
    public static final String WHITE_ROOK   = "rl";
    public static final String WHITE_QUEEN  = "ql";
    public static final String WHITE_KING   = "kl";

    public static final String BLACK_PAWN   = "pd";
    public static final String BLACK_KNIGHT = "nd";
    public static final String BLACK_BISHOP = "bd";
    public static final String BLACK_ROOK   = "rd";
    public static final String BLACK_QUEEN  = "qd";
    public static final String BLACK_KING   = "kd";

    private static final Map<ColorPiece, String> PIECES = new HashMap<ColorPiece, String>() {
        {
            put(ColorPiece.WHITE_PAWN, WHITE_PAWN);     put(ColorPiece.BLACK_PAWN, BLACK_PAWN);
            put(ColorPiece.WHITE_KNIGHT, WHITE_KNIGHT); put(ColorPiece.BLACK_KNIGHT, BLACK_KNIGHT);
            put(ColorPiece.WHITE_BISHOP, WHITE_BISHOP); put(ColorPiece.BLACK_BISHOP, BLACK_BISHOP);
            put(ColorPiece.WHITE_ROOK, WHITE_ROOK);     put(ColorPiece.BLACK_ROOK, BLACK_ROOK);
            put(ColorPiece.WHITE_QUEEN, WHITE_QUEEN);   put(ColorPiece.BLACK_QUEEN, BLACK_QUEEN);
            put(ColorPiece.WHITE_KING, WHITE_KING);     put(ColorPiece.BLACK_KING, BLACK_KING);
        }
    };

    private static boolean withTemplate = false;

    private Wiki() {
    }

    public static boolean withTemplate() {
        return withTemplate;
    }

    public static void setTemplate(boolean isTemplate) {
        withTemplate = isTemplate;
    }

    public static ColorPiece getColorPiece(String piece) {
        if (piece != null && !EMPTY.equals(piece)) {
            for (Map.Entry<ColorPiece, String> entry : PIECES.entrySet()) {
                if (entry.getValue().equals(piece))
                    return entry.getKey();
            }
        }
        return null;
    }

    public static String getWikiPiece(Color color, Piece piece) {
        return getWikiPiece(
                ColorPiece.getColorPiece(color, piece)
        );
    }

    public static String getWikiPiece(ColorPiece colorPiece) {
        return (colorPiece != null)
                ? PIECES.get(colorPiece)
                : EMPTY;
    }

}