/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, 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.descdiagram.command;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.baraye.Entity;
import net.sourceforge.plantuml.classdiagram.ClassDiagram;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.cucadiagram.LeafType;
import net.sourceforge.plantuml.cucadiagram.Stereotype;
import net.sourceforge.plantuml.graphic.USymbol;
import net.sourceforge.plantuml.graphic.USymbols;
import net.sourceforge.plantuml.graphic.color.Colors;
import net.sourceforge.plantuml.klimt.color.ColorParser;
import net.sourceforge.plantuml.klimt.color.ColorType;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.NoSuchColorException;
import net.sourceforge.plantuml.klimt.font.FontParam;
import net.sourceforge.plantuml.plasma.Quark;
import net.sourceforge.plantuml.regex.IRegex;
import net.sourceforge.plantuml.regex.RegexConcat;
import net.sourceforge.plantuml.regex.RegexLeaf;
import net.sourceforge.plantuml.regex.RegexOptional;
import net.sourceforge.plantuml.regex.RegexOr;
import net.sourceforge.plantuml.regex.RegexResult;
import net.sourceforge.plantuml.url.Url;
import net.sourceforge.plantuml.url.UrlBuilder;
import net.sourceforge.plantuml.url.UrlMode;
import net.sourceforge.plantuml.utils.LineLocation;

public class CommandCreateElementParenthesis extends SingleLineCommand2<ClassDiagram> {

	public CommandCreateElementParenthesis() {
		super(getRegexConcat());
	}

	private static IRegex getRegexConcat() {
		return RegexConcat.build(CommandCreateElementParenthesis.class.getName(), RegexLeaf.start(), //
				new RegexLeaf("\\(\\)[%s]+"), //
				color2().getRegex(), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexOr(//
						new RegexLeaf("CODE1", CommandCreateElementFull.CODE_WITH_QUOTE), //
						new RegexConcat(//
								new RegexLeaf("DISPLAY2", CommandCreateElementFull.DISPLAY), //
								new RegexOptional( //
										new RegexConcat( //
												RegexLeaf.spaceOneOrMore(), //
												new RegexLeaf("STEREOTYPE2", "(\\<\\<.+\\>\\>)")//
										)), //
								RegexLeaf.spaceZeroOrMore(), //
								new RegexLeaf("as"), //
								RegexLeaf.spaceOneOrMore(), //
								new RegexLeaf("CODE2", CommandCreateElementFull.CODE)), //
						new RegexConcat(//
								new RegexLeaf("CODE3", CommandCreateElementFull.CODE), //
								new RegexOptional( //
										new RegexConcat( //
												RegexLeaf.spaceOneOrMore(), //
												new RegexLeaf("STEREOTYPE3", "(\\<\\<.+\\>\\>)") //
										)), //
								RegexLeaf.spaceOneOrMore(), //
								new RegexLeaf("as"), //
								RegexLeaf.spaceZeroOrMore(), //
								new RegexLeaf("DISPLAY3", CommandCreateElementFull.DISPLAY)), //
						new RegexConcat(//
								new RegexLeaf("DISPLAY4", CommandCreateElementFull.DISPLAY_WITHOUT_QUOTE), //
								new RegexOptional( //
										new RegexConcat( //
												RegexLeaf.spaceOneOrMore(), //
												new RegexLeaf("STEREOTYPE4", "(\\<\\<.+\\>\\>)") //
										)), //
								RegexLeaf.spaceZeroOrMore(), //
								new RegexLeaf("as"), //
								RegexLeaf.spaceOneOrMore(), //
								new RegexLeaf("CODE4", CommandCreateElementFull.CODE)) //
				), //
				new RegexOptional( //
						new RegexConcat( //
								RegexLeaf.spaceZeroOrMore(), //
								new RegexLeaf("STEREOTYPE", "(\\<\\<.+\\>\\>)") //
						)), //
				RegexLeaf.spaceZeroOrMore(), //
				UrlBuilder.OPTIONAL, //
				RegexLeaf.spaceZeroOrMore(), //
				color().getRegex(), RegexLeaf.end());
	}

	private static ColorParser color() {
		return ColorParser.simpleColor(ColorType.BACK);
	}

	private static ColorParser color2() {
		return ColorParser.simpleColor(ColorType.BACK, "COLOR2");
	}

	@Override
	final protected boolean isForbidden(CharSequence line) {
		if (line.toString().matches("^[\\p{L}0-9_.]+$")) {
			return true;
		}
		return false;
	}

	@Override
	protected CommandExecutionResult executeArg(ClassDiagram diagram, LineLocation location, RegexResult arg)
			throws NoSuchColorException {
		String codeRaw = arg.getLazzy("CODE", 0);
		final String displayRaw = arg.getLazzy("DISPLAY", 0);
		final String symbol = "interface";
		final LeafType type;
		final USymbol usymbol;

		type = LeafType.DESCRIPTION;
		usymbol = USymbols.fromString(symbol, diagram.getSkinParam());

		final Quark<Entity> quark = diagram.quarkInContext(diagram.cleanId(codeRaw), true);
		if (quark.getData() != null)
			return CommandExecutionResult.error("This element (" + quark.getName() + ") is already defined");

		String display = displayRaw;
		if (display == null)
			display = quark.getName();

		display = StringUtils.eventuallyRemoveStartingAndEndingDoubleQuote(display);
		final String stereotype = arg.getLazzy("STEREOTYPE", 0);
		if (CommandCreateElementFull.existsWithBadType3(diagram, quark, type, usymbol))
			return CommandExecutionResult.error("This element (" + quark.getName() + ") is already defined");

		final Entity entity = diagram.reallyCreateLeaf(quark, Display.getWithNewlines(display), type, usymbol);
		entity.setDisplay(Display.getWithNewlines(display));
		entity.setUSymbol(usymbol);
		if (stereotype != null)
			entity.setStereotype(Stereotype.build(stereotype, diagram.getSkinParam().getCircledCharacterRadius(),
					diagram.getSkinParam().getFont(null, false, FontParam.CIRCLED_CHARACTER),
					diagram.getSkinParam().getIHtmlColorSet()));

		final String urlString = arg.get("URL", 0);
		if (urlString != null) {
			final UrlBuilder urlBuilder = new UrlBuilder(diagram.getSkinParam().getValue("topurl"), UrlMode.STRICT);
			final Url url = urlBuilder.getUrl(urlString);
			entity.addUrl(url);
		}

		Colors colors = color().getColor(arg, diagram.getSkinParam().getIHtmlColorSet());
		final String s = arg.get("LINECOLOR", 1);

		final HColor lineColor = s == null ? null : diagram.getSkinParam().getIHtmlColorSet().getColor(s);
		if (lineColor != null)
			colors = colors.add(ColorType.LINE, lineColor);

		entity.setColors(colors);

		// entity.setSpecificColorTOBEREMOVED(ColorType.BACK,
		// diagram.getSkinParam().getIHtmlColorSet().getColorIfValid(arg.get("COLOR",
		// 0)));
		return CommandExecutionResult.ok();
	}

	private char getCharEncoding(final String codeRaw) {
		return codeRaw != null && codeRaw.length() > 2 ? codeRaw.charAt(0) : 0;
	}
}