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/*
 * Copyright (c) 2024 Eclipse Dirigible contributors
 *
 * All rights reserved. This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v2.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * SPDX-FileCopyrightText: Eclipse Dirigible contributors SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.dirigible.components.api.utils;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.springframework.stereotype.Component;

/**
 * The Class QRCodeFacade.
 */
@Component
public class QRCodeFacade {

    /**
     * Generate QR code.
     *
     * @param text the text
     * @return the byte[]
     * @throws WriterException the writer exception
     * @throws IOException Signals that an I/O exception has occurred.
     */
    public static final byte[] generateQRCode(String text) throws WriterException, IOException {
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, 300, 300);
        ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream();

        MatrixToImageWriter.writeToStream(bitMatrix, "PNG", pngOutputStream);
        return pngOutputStream.toByteArray();
    }
}