/* ========================================================================
 * 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;

import java.awt.geom.Dimension2D;
import java.util.HashSet;
import java.util.Set;

import net.sourceforge.plantuml.ColorParam;
import net.sourceforge.plantuml.SkinParam;
import net.sourceforge.plantuml.UmlDiagramType;
import net.sourceforge.plantuml.cucadiagram.dot.DotData;
import net.sourceforge.plantuml.graphic.AbstractTextBlock;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.posimo.Moveable;
import net.sourceforge.plantuml.skin.rose.Rose;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignature;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UHidden;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;

public final class SvekResult extends AbstractTextBlock implements IEntityImage, Moveable {

	private final Rose rose = new Rose();

	private ClusterPosition dim;
	private final DotData dotData;
	private final DotStringFactory dotStringFactory;

	public SvekResult(ClusterPosition dim, DotData dotData, DotStringFactory dotStringFactory) {
		this.dim = dim;
		this.dotData = dotData;
		this.dotStringFactory = dotStringFactory;
	}

	public void drawU(UGraphic ug) {

		for (Cluster cluster : dotStringFactory.getBibliotekon().allCluster()) {
			cluster.drawU(ug, new UStroke(1.5), dotData.getUmlDiagramType(), dotData.getSkinParam());
		}

		HtmlColor color = rose.getHtmlColor(dotData.getSkinParam(), null, getArrowColorParam());
		if (SkinParam.USE_STYLES()) {
			final Style style = getDefaultStyleDefinition().getMergedStyle(dotData.getSkinParam().getCurrentStyleBuilder());
			color = style.value(PName.LineColor).asColor(dotData.getSkinParam().getIHtmlColorSet());
		}
		color = HtmlColorUtils.noGradient(color);

		for (Node node : dotStringFactory.getBibliotekon().allNodes()) {
			final double minX = node.getMinX();
			final double minY = node.getMinY();
			final UGraphic ug2 = node.isHidden() ? ug.apply(UHidden.HIDDEN) : ug;
			final IEntityImage image = node.getImage();
			image.drawU(ug2.apply(new UTranslate(minX, minY)));
			if (image instanceof Untranslated) {
				((Untranslated) image).drawUntranslated(ug.apply(new UChangeColor(color)), minX, minY);
			}
			// shape.getImage().drawNeighborhood(ug2, minX, minY);
		}

		final Set<String> ids = new HashSet<String>();

		for (Line line : dotStringFactory.getBibliotekon().allLines()) {
			final UGraphic ug2 = line.isHidden() ? ug.apply(UHidden.HIDDEN) : ug;
			line.drawU(ug2, color, ids);
		}

	}

	private ColorParam getArrowColorParam() {
		if (dotData.getUmlDiagramType() == UmlDiagramType.CLASS) {
			return ColorParam.arrow;
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.OBJECT) {
			return ColorParam.arrow;
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.DESCRIPTION) {
			return ColorParam.arrow;
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.ACTIVITY) {
			return ColorParam.arrow;
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.STATE) {
			return ColorParam.arrow;
		}
		throw new IllegalStateException();
	}

	private StyleSignature getDefaultStyleDefinition() {
		if (dotData.getUmlDiagramType() == UmlDiagramType.CLASS) {
			return StyleSignature.of(SName.root, SName.element, SName.classDiagram, SName.arrow);
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.OBJECT) {
			return StyleSignature.of(SName.root, SName.element, SName.objectDiagram, SName.arrow);
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.DESCRIPTION) {
			return StyleSignature.of(SName.root, SName.element, SName.componentDiagram, SName.arrow);
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.ACTIVITY) {
			return StyleSignature.of(SName.root, SName.element, SName.activityDiagram, SName.arrow);
		} else if (dotData.getUmlDiagramType() == UmlDiagramType.STATE) {
			return StyleSignature.of(SName.root, SName.element, SName.stateDiagram, SName.arrow);
		}
		throw new IllegalStateException();
	}

	public HtmlColor getBackcolor() {
		return dotData.getSkinParam().getBackgroundColor();
	}

	public Dimension2D calculateDimension(StringBounder stringBounder) {
		return dim.getDimension();
	}

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

	public Margins getShield(StringBounder stringBounder) {
		return Margins.NONE;
	}

	public void moveSvek(double deltaX, double deltaY) {
		dotStringFactory.moveSvek(deltaX, deltaY);
		dim = dim.delta(deltaX > 0 ? deltaX : 0, deltaY > 0 ? deltaY : 0);
	}

	public boolean isHidden() {
		return false;
	}

	public double getOverscanX(StringBounder stringBounder) {
		return 0;
	}

}
