/*
 * Copyright (c) 2018-2019. 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.img.piece;

import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

/**
 *
 *
 * @author Dmitry Samoshin aka gotty
 */
public class PieceSet {

    private Map<ColorPiece, BufferedImage> pieceSetMap = new HashMap<>();

    private static String[] allPieceNames;

    PieceSet() {
    }

    public void add(String name, BufferedImage image) {
        if (name != null && name.length() == 2) {
            name = name.toLowerCase();
            ColorPiece colorPiece = ColorPiece.getColorPiece(
                    Color.byLetter(name.charAt(0)),
                    Piece.byLetter(name.charAt(1))
            );
            if (colorPiece != null){
                add(colorPiece, image);
            }
        }
    }

    public void add(ColorPiece colorPiece, BufferedImage image) {
        if (pieceSetMap.containsKey(colorPiece)) {
            pieceSetMap.replace(colorPiece, image);
        } else {
            pieceSetMap.put(colorPiece, image);
        }
    }

    public BufferedImage get(ColorPiece colorPiece) {
        return pieceSetMap.get(colorPiece);
    }

    public boolean isFull() {
        for (ColorPiece colorPiece : ColorPiece.values()) {
            if (!pieceSetMap.containsKey(colorPiece)
                    || (pieceSetMap.get(colorPiece) == null)) {
                return false;
            }
        }
        return true;
    }

    public static String[] getAllPieceNames() {
        if (allPieceNames == null) {
            List<String> listNames = new ArrayList<>();
            for (Color color : Color.values()) {
                for (Piece piece : Piece.values()) {
                    listNames.add(
                            String.valueOf(
                                    new char[] {color.letter(), piece.letter()}
                            )
                    );
                }
            }
            allPieceNames = listNames.toArray(new String[listNames.size()]);
        }
        return allPieceNames;
    }

    public static PieceSet create() {
        return new PieceSet();
    }

}