/*
 * 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.Map;
import java.util.ResourceBundle;

import org.hedgecode.chess.ChessHogConstants;
import org.hedgecode.chess.position.Builder;
import org.hedgecode.chess.position.Color;
import org.hedgecode.chess.position.ColorPiece;
import org.hedgecode.chess.position.Position;
import org.hedgecode.chess.position.Positions;
import org.hedgecode.chess.position.Square;

/**
 * Wikipedia chess diagram builder.
 *
 * @author Dmitry Samoshin aka gotty
 */
public final class WikiBuilder implements Builder {

    private static Builder _instance = new WikiBuilder();

    private WikiBuilder() {
    }

    @Override
    public String build(Position position) {
        return _build(
                position, Wiki.withTemplate()
        );
    }

    private String _build(Position position, boolean withTemplate) {
        StringBuilder sb = new StringBuilder();
        Map<Square, ColorPiece> squares = position.getSquares();

        if (withTemplate) {
            ResourceBundle resourceBundle =
                    ResourceBundle.getBundle(ChessHogConstants.LOCALE_BUNDLE_FILE);
            sb.append(Wiki.TEMPLATE_BEGIN).append(
                    resourceBundle.getString("wiki.chess.diagram.name")
            ).append(Wiki.CRLF);
            sb.append(Wiki.SEPARATOR).append(Wiki.CRLF);
            sb.append(Wiki.SEPARATOR).append(Wiki.CRLF);
        }

        for (int i = Square.getSize() - 1; i >= 0; --i) {
            for (int j = 0; j < Square.getSize(); ++j) {
                Square square = Square.getSquare(j, i);
                ColorPiece piece = squares.get(square);
                String pieceName = (piece != null) ? Wiki.getWikiPiece(piece) : Wiki.EMPTY;
                sb.append(Wiki.SEPARATOR).append(pieceName);
            }
            sb.append(Wiki.CRLF);
        }

        if (withTemplate) {
            sb.append(Wiki.SEPARATOR).append(Wiki.CRLF);
            sb.append(Wiki.TEMPLATE_END).append(Wiki.CRLF);
        }

        return sb.toString();
    }

    public static Builder getInstance() {
        return _instance;
    }


    public static void main(String[] args) {
        // Position position = Positions.INITIAL.getPosition()
        Position position = Positions.EMPTY.getPosition();
        position.setKing(Color.WHITE, Square.A1);
        position.setPawn(Color.WHITE, Square.A2);
        position.setPawn(Color.WHITE, Square.E4);
        position.setQueen(Color.WHITE, Square.A7);
        position.setKing(Color.BLACK, Square.H8);
        position.setPawn(Color.BLACK, Square.G7);
        position.setPawn(Color.BLACK, Square.H7);
        position.setKnight(Color.BLACK, Square.G2);
        position.setBishop(Color.BLACK, Square.D4);
        position.setRook(Color.BLACK, Square.E2);

        Wiki.setTemplate(true);
        System.out.println(
                getInstance().build(position)
        );
    }

}