/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2022 iText Group NV
    Authors: iText Software.

    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
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    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/
    
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    of this program must display Appropriate Legal Notices, as required under
    Section 5 of the GNU Affero General Public License.
    
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    a covered work must retain the producer line in every PDF that is created
    or manipulated using iText.
    
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    develop commercial activities involving the iText software without
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 */
package com.itextpdf.text.pdf.table;

import com.itextpdf.testutils.CompareTool;
import com.itextpdf.testutils.TestResourceUtils;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;

import javax.xml.parsers.ParserConfigurationException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class ColorsInTaggedDocumentsTest {
    private String cmpFolder = "./src/test/resources/com/itextpdf/text/pdf/table/tableColorsTest/";
    private String outFolder = "./target/com/itextpdf/text/pdf/table/tableColorsTest/";

    @Before
    public void setUp() throws Exception {
        new File(outFolder).mkdirs();
        TestResourceUtils.purgeTempFiles();
    }

    @Test
    public void colorsInTaggedDocumentsTest1() throws IOException, DocumentException, InterruptedException, ParserConfigurationException, SAXException {
        String output = "coloredTables.pdf";
        String cmp = "cmp_coloredTables.pdf";

        createColoredTablesFile(outFolder + output, true);
        compareDocuments(output, cmp, false);
    }

    @Test
    public void colorsInTaggedDocumentsTest2() throws IOException, DocumentException, InterruptedException, ParserConfigurationException, SAXException {
        String output = "coloredTables.pdf";
        String cmp = "cmp_coloredTables.pdf";

        //visually comparing results of tagged and non-tagged colored tables
        createColoredTablesFile(outFolder + output, false);
        compareDocuments(output, cmp, true);
    }

    private void createColoredTablesFile(String outPath, boolean tagged) throws FileNotFoundException, DocumentException {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outPath));
        if (tagged)
            writer.setTagged();
        document.open();

        BaseColor color = new BaseColor(255,255,240);
        Font coloredFont = new Font(Font.FontFamily.HELVETICA, 12f, Font.NORMAL, color);

        //First table
        PdfPTable table = new PdfPTable(4);
        int rowsNum = 10;
        int columnsNum = 4;
        for (int i = 0; i < rowsNum; ++i) {
            for (int j = 0; j < columnsNum; ++j) {
                PdfPCell cell = new PdfPCell(new Paragraph("text", coloredFont));
                cell.setBorderWidth(2);
                cell.setBorderColor(BaseColor.DARK_GRAY);
                cell.setBackgroundColor(BaseColor.LIGHT_GRAY);
                table.addCell(cell);
            }
        }
        document.add(table);
        document.newPage();


        Font fontRed = new Font(Font.FontFamily.HELVETICA, 12f, Font.NORMAL, new BaseColor(255, 0, 0));
        Font fontGreen = new Font(Font.FontFamily.HELVETICA, 12f, Font.NORMAL, new BaseColor(0, 255, 0));
        Font fontBlue = new Font(Font.FontFamily.HELVETICA, 12f, Font.NORMAL, new BaseColor(0, 0, 255));

        //Second table
        table = new PdfPTable(4);

        PdfPCell cell11 = new PdfPCell(new Paragraph("text", fontRed));
        PdfPCell cell12 = new PdfPCell(new Paragraph("text", fontBlue));
        PdfPCell cell13 = new PdfPCell(new Paragraph("text", fontGreen));


        PdfPCell cell21 = new PdfPCell(new Paragraph("text", fontRed));
        PdfPCell cell22 = new PdfPCell(new Paragraph("text", fontGreen));
        PdfPCell cell23 = new PdfPCell(new Paragraph("text", fontBlue));

        PdfPCell cell32 = new PdfPCell(new Paragraph("text", fontBlue));
        PdfPCell cell33 = new PdfPCell(new Paragraph("text", fontRed));
        PdfPCell cell34 = new PdfPCell(new Paragraph("text", fontGreen));

        table.addCell(cell11);
        table.addCell(cell12);
        table.addCell(cell13);

        table.addCell(cell21);
        table.addCell(cell22);
        table.addCell(cell23);

        table.addCell(cell32);
        table.addCell(cell33);
        table.addCell(cell34);

        document.add(table);

        document.add(new Phrase("  "));

        //Third table
        table = new PdfPTable(4);

        cell11 = new PdfPCell(new Paragraph("text", fontRed));
        cell11.setBackgroundColor(BaseColor.YELLOW);
        cell11.setBorderWidth(3);
        cell11.setBorderColor(new BaseColor(0, 0, 255));
        cell12 = new PdfPCell(new Paragraph("text", fontBlue));
        cell13 = new PdfPCell(new Paragraph("text", fontGreen));


        cell21 = new PdfPCell(new Paragraph("text", fontRed));
        cell21.setBackgroundColor(BaseColor.LIGHT_GRAY);
        cell21.setBorderColor(BaseColor.PINK);
        cell21.setBorderWidth(3);
        cell22 = new PdfPCell(new Paragraph("text", fontGreen));
        cell22.setBackgroundColor(BaseColor.YELLOW);
        cell22.setBorderColor(BaseColor.BLUE);
        cell22.setBorderWidth(3);
        cell23 = new PdfPCell(new Paragraph("text", fontBlue));
        cell23.setBackgroundColor(BaseColor.GREEN);
        cell23.setBorderWidth(3);
        cell23.setBorderColor(BaseColor.WHITE);

        cell32 = new PdfPCell(new Paragraph("text", fontBlue));
        cell32.setBackgroundColor(BaseColor.LIGHT_GRAY);
        cell32.setBorderColor(BaseColor.MAGENTA);
        cell32.setBorderWidth(3);
        cell33 = new PdfPCell(new Paragraph("text", fontRed));
        cell33.setBackgroundColor(BaseColor.PINK);
        cell33.setBorderColor(BaseColor.CYAN);
        cell33.setBorderWidth(3);
        cell34 = new PdfPCell(new Paragraph("text", fontGreen));
        cell34.setBackgroundColor(BaseColor.ORANGE);
        cell34.setBorderColor(BaseColor.WHITE);
        cell34.setBorderWidth(3);

        table.addCell(cell11);
        table.addCell(cell12);
        table.addCell(cell13);

        table.addCell(cell21);
        table.addCell(cell22);
        table.addCell(cell23);

        table.addCell(cell32);
        table.addCell(cell33);
        table.addCell(cell34);

        document.add(table);

        document.close();
    }

    private void compareDocuments(String out, String cmp, boolean visuallyOnly) throws DocumentException, InterruptedException, IOException {
        CompareTool compareTool = new CompareTool();
        String errorMessage;
        if (visuallyOnly) {
            errorMessage = compareTool.compare(outFolder + out, cmpFolder + cmp, outFolder, "diff");
        } else {
            errorMessage = compareTool.compareByContent(outFolder + out, cmpFolder + cmp, outFolder, "diff");
        }
        if (errorMessage != null)
            Assert.fail(errorMessage);
    }
}
