/* ========================================================================
 * 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.svek.image;

import java.awt.geom.Dimension2D;

import net.sourceforge.plantuml.ColorParam;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.FontParam;
import net.sourceforge.plantuml.ISkinParam;
import net.sourceforge.plantuml.SkinParamUtils;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.cucadiagram.ILeaf;
import net.sourceforge.plantuml.cucadiagram.LeafType;
import net.sourceforge.plantuml.cucadiagram.Stereotype;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.svek.AbstractEntityImage;
import net.sourceforge.plantuml.svek.ShapeType;
import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UEllipse;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;

public class EntityImageLollipopInterface extends AbstractEntityImage {

	private static final int SIZE = 10;
	private final TextBlock desc;
	final private Url url;

	public EntityImageLollipopInterface(ILeaf entity, ISkinParam skinParam) {
		super(entity, skinParam);
		final Stereotype stereotype = entity.getStereotype();
		this.desc = entity.getDisplay().create(new FontConfiguration(getSkinParam(), FontParam.CLASS, stereotype),
				HorizontalAlignment.CENTER, skinParam);
		this.url = entity.getUrl99();

	}

	public Dimension2D calculateDimension(StringBounder stringBounder) {
		return new Dimension2DDouble(SIZE, SIZE);
	}

	final public void drawU(UGraphic ug) {
		final UEllipse circle;
		if (getEntity().getLeafType() == LeafType.LOLLIPOP_HALF) {
			// circle = new UEllipse(SIZE, SIZE, 0, 180);
			circle = new UEllipse(SIZE, SIZE, angle - 90, 180);
		} else {
			circle = new UEllipse(SIZE, SIZE);
			if (getSkinParam().shadowing(getEntity().getStereotype())) {
				circle.setDeltaShadow(4);
			}
		}
		ug = ug.apply(
				new UChangeBackColor(SkinParamUtils.getColor(getSkinParam(), getStereo(), ColorParam.classBackground)))
				.apply(new UChangeColor(SkinParamUtils.getColor(getSkinParam(), getStereo(), ColorParam.classBorder)));
		if (url != null) {
			ug.startUrl(url);
		}
		ug.apply(new UStroke(1.5)).draw(circle);

		final Dimension2D dimDesc = desc.calculateDimension(ug.getStringBounder());
		final double widthDesc = dimDesc.getWidth();
		// final double totalWidth = Math.max(widthDesc, SIZE);

		final double x = SIZE / 2 - widthDesc / 2;
		final double y = SIZE;
		desc.drawU(ug.apply(new UTranslate(x, y)));
		if (url != null) {
			ug.closeAction();
		}
	}

	public ShapeType getShapeType() {
		return ShapeType.CIRCLE_IN_RECT;
	}

	private double angle;

	public void addImpact(double angle) {
		this.angle = 180 - (angle * 180 / Math.PI);
	}

}
