/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, 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.activitydiagram3.command;

import java.util.List;
import java.util.regex.Pattern;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.activitydiagram3.ActivityDiagram3;
import net.sourceforge.plantuml.command.BlocLines;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.CommandMultilines3;
import net.sourceforge.plantuml.command.MultilinesStrategy;
import net.sourceforge.plantuml.command.regex.MyPattern;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.command.regex.RegexLeaf;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.Rainbow;

public class CommandRepeatWhile3Multilines extends CommandMultilines3 {

	public CommandRepeatWhile3Multilines() {
		super(getRegexConcat(), MultilinesStrategy.REMOVE_STARTING_QUOTE);
	}

	@Override
	public RegexConcat getPatternEnd2() {
		return new RegexConcat(//
				new RegexLeaf("TEST1", "(.*)"), new RegexLeaf("\\)"), //
				new RegexLeaf(";?$"));
	}

	static RegexConcat getRegexConcat() {
		return new RegexConcat(//
				new RegexLeaf("^"), //
				new RegexLeaf("repeat[%s]?while"), //
				new RegexLeaf("[%s]*"), //
				new RegexLeaf("\\("), //
				new RegexLeaf("TEST1", "(.*)$"));
	}

	@Override
	public CommandExecutionResult executeNow(ActivityDiagram3 diagram, BlocLines lines) {
		lines = lines.trim(false);
		final RegexResult line0 = getStartingPattern().matcher(StringUtils.trin(lines.getFirst499()));
		final RegexResult lineLast = getPatternEnd2().matcher(lines.getLast499().toString());

		// System.err.println("line0=" + line0);
		// System.err.println("linesLast=" + lineLast);

		//
		// final HtmlColor color = diagram.getSkinParam().getIHtmlColorSet().getColorIfValid(line0.get("COLOR", 0));

		final String test = line0.get("TEST1", 0);
		Display testDisplay = Display.getWithNewlines(test);
		for (CharSequence s : lines.subExtract(1, 1)) {
			testDisplay = testDisplay.add(s);
		}
		final String trailTest = lineLast.get("TEST1", 0);
		if (StringUtils.isEmpty(trailTest) == false) {
			testDisplay = testDisplay.add(trailTest);
		}

		Display yes = Display.NULL;// Display.getWithNewlines("arg.getLazzy(\"WHEN\", 0)");
		final Display out = Display.NULL; // Display.getWithNewlines("arg.getLazzy(\"OUT\", 0)");
		final Rainbow linkColor = Rainbow.none(); // diagram.getSkinParam().getIHtmlColorSet().getColorIfValid(arg.get("COLOR",
		// 0));
		final Display linkLabel = Display.NULL; // Display.getWithNewlines("arg.get(\"LABEL\", 0)");
		final List splitted = testDisplay.splitMultiline(MyPattern.cmpile("\\)[%s]*(is|equals?)[%s]*\\(",
				Pattern.CASE_INSENSITIVE));
		if (splitted.size() == 2) {
			testDisplay = splitted.get(0);
			yes = splitted.get(1);

		}

		return diagram.repeatWhile(testDisplay, yes, out, linkLabel, linkColor);
	}

}