/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2020, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML 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 General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.openiconic;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import net.sourceforge.plantuml.AbstractPSystem;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.donors.PSystemDonors;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockHorizontal;
import net.sourceforge.plantuml.graphic.UDrawable;
import net.sourceforge.plantuml.graphic.VerticalAlignment;
import net.sourceforge.plantuml.openiconic.data.DummyIcon;
import net.sourceforge.plantuml.ugraphic.ColorMapperIdentity;
import net.sourceforge.plantuml.ugraphic.ImageBuilder;

public class PSystemListOpenIconic extends AbstractPSystem {

	@Override
	final protected ImageData exportDiagramNow(OutputStream os, int num, FileFormatOption fileFormat, long seed)
			throws IOException {
		final UDrawable result = getGraphicStrings();
		final ImageBuilder imageBuilder = new ImageBuilder(new ColorMapperIdentity(), 1.0, HtmlColorUtils.WHITE,
				fileFormat.isWithMetadata() ? getMetadata() : null, null, 0, 0, null, false);
		imageBuilder.setUDrawable(result);
		return imageBuilder.writeImageTOBEMOVED(fileFormat, seed, os);
	}

	private UDrawable getGraphicStrings() throws IOException {
		final List<String> lines = new ArrayList<String>();
		lines.add("<b>List Open Iconic");
		lines.add("<i>Credit to");
		lines.add("https://useiconic.com/open");
		lines.add(" ");
		final BufferedReader br = new BufferedReader(new InputStreamReader(getRessourceAllTxt()));
		String s = null;
		while ((s = br.readLine()) != null) {
			// lines.add("<&yen> " + s);
			// System.err.println("s=" + s);
			lines.add("<&" + s + "> " + s);
		}
		br.close();
		final List<TextBlock> cols = PSystemDonors.getCols(lines, 7, 0);
		return new TextBlockHorizontal(cols, VerticalAlignment.TOP);
	}

	private InputStream getRessourceAllTxt() {
		return DummyIcon.class.getResourceAsStream("all.txt");
	}

	public DiagramDescription getDescription() {
		return new DiagramDescription("(Open iconic)");
	}

}
