/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 iText Group NV
 * Authors: Pavel Alay, Bruno Lowagie, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.testutils;

import com.itextpdf.text.log.Logger;
import com.itextpdf.text.log.LoggerFactory;

import java.io.File;
import java.io.IOException;

public abstract class ITextTest {

    private final static Logger LOGGER = LoggerFactory.getLogger(ITextTest.class.getName());

    public void runTest() throws Exception {
        LOGGER.info("Starting test.");
        String outPdf = getOutPdf();
        if (outPdf == null || outPdf.length() == 0)
            throw new IOException("outPdf cannot be empty!");
        makePdf(outPdf);
        assertPdf(outPdf);
        comparePdf(outPdf, getCmpPdf());
        LOGGER.info("Test complete.");
    }

    protected abstract void makePdf(String outPdf) throws Exception;

    /**
     * Gets the name of the resultant PDF file.
     * This name will be passed to <code>makePdf</code>, <code>assertPdf</code> and <code>comparePdf</code> methods.
     * @return
     */
    protected abstract String getOutPdf();

    protected void assertPdf(String outPdf) throws Exception {

    }

    protected void comparePdf(String outPdf, String cmpPdf) throws Exception {

    }

    /**
     * Gets the name of the compare PDF file.
     * This name will be passed to <code>comparePdf</code> method.
     * @return
     */
    protected String getCmpPdf() {
        return "";
    }

    protected void deleteDirectory(File path) {
        if (path == null)
            return;
        if (path.exists()) {
            for (File f : path.listFiles()) {
                if (f.isDirectory()) {
                    deleteDirectory(f);
                    f.delete();
                } else {
                    f.delete();
                }
            }
            path.delete();
        }
    }

    protected void deleteFiles(File path) {
        if (path != null && path.exists()) {
            for (File f : path.listFiles()) {
                f.delete();
            }
        }
    }
}
