/*
 * 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.qrcode.zip;

import java.util.Map;

import com.google.zxing.EncodeHintType;
import com.google.zxing.common.BitMatrix;
import org.hedgecode.chess.img.ImageFormat;
import org.hedgecode.chess.qrcode.ChessQRCodeException;
import org.hedgecode.chess.qrcode.ChessQRCodeMode;
import org.hedgecode.chess.qrcode.ChessQRCodeWriter;

/**
 *
 *
 * @author Dmitry Samoshin aka gotty
 */
public class ZipChessQRCodeWriter extends ChessQRCodeWriter {

    private static ChessQRCodeWriter _instance = new ZipChessQRCodeWriter();

    protected ZipChessQRCodeWriter() {
        super();
    }

    @Override
    protected BitMatrix encode(
            ChessQRCodeMode mode,
            String contents,
            int width, int height,
            Map<EncodeHintType,?> hints)
            throws ChessQRCodeException
    {
        if (mode == null || mode.isArchive()) {
            throw new ChessQRCodeException(
                    ChessQRCodeException.Type.WRITE, "write.qrcode.mode.null"
            );
        }

        if (contents == null || contents.isEmpty()) {
            throw new ChessQRCodeException(
                    ChessQRCodeException.Type.WRITE, "write.qrcode.contents.empty"
            );
        }

        String zipContents = ZipContentDeflater.deflate(
                mode.name().concat(contents)
        );

        return super.encode(
                ChessQRCodeMode.ZIP, zipContents, width, height, hints
        );
    }

    public static ChessQRCodeWriter getInstance() {
        return _instance;
    }


    public static void main(String[] args) {
        try {
            ZipChessQRCodeWriter.getInstance().write(
                    ChessQRCodeMode.PGN,
                    "1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Ng5 Ngf6 6.Bd3 e6 7.N1f3 h6\n" +
                            "8.Nxe6 Qe7 9.O-O fxe6 10.Bg6+ Kd8 {Каспаров встряхнул головой} \n" +
                            "11.Bf4 b5 12.a4 Bb7 13.Re1 Nd5 14.Bg3 Kc8 15.axb5 cxb5 16.Qd3 Bc6 \n" +
                            "17.Bf5 exf5 18.Rxe7 Bxe7 19.c4 1-0",
                    ImageFormat.PNG,
                    "./qrcode.png"
            );
        } catch (ChessQRCodeException e) {
            System.out.println("Could not generate QR Code, Exception: " + e.getMessage());
        }
    }

}