/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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.
 *
 * OpenFlexo is 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.fge.geom;

import java.awt.geom.AffineTransform;
import java.awt.geom.CubicCurve2D.Double;
import java.awt.geom.Rectangle2D;
import java.util.List;
import java.util.Vector;
import java.util.logging.Logger;

import org.openflexo.fge.geom.area.FGEArea;
import org.openflexo.fge.geom.area.FGEExclusiveOrArea;
import org.openflexo.fge.geom.area.FGEIntersectionArea;
import org.openflexo.fge.geom.area.FGESubstractionArea;
import org.openflexo.fge.geom.area.FGEUnionArea;
import org.openflexo.fge.graphics.FGEGraphics;

public class FGECubicCurve extends Double implements FGEGeneralShape.GeneralShapePathElement<FGECubicCurve> {

	private static final Logger logger = Logger.getLogger(FGECubicCurve.class.getPackage().getName());

	public FGECubicCurve() {
		super();
	}

	public FGECubicCurve(FGEPoint p1, FGEPoint ctrlP1, FGEPoint ctrlP2, FGEPoint p2) {
		super();
		setCurve(p1.x, p1.y, ctrlP1.x, ctrlP1.y, ctrlP2.x, ctrlP2.y, p2.x, p2.y);
	}

	@Override
	public FGEPoint getP1() {
		return new FGEPoint(x1, y1);
	}

	public void setP1(FGEPoint aPoint) {
		x1 = aPoint.x;
		y1 = aPoint.y;
	}

	@Override
	public FGEPoint getP2() {
		return new FGEPoint(x2, y2);
	}

	public void setP2(FGEPoint aPoint) {
		x2 = aPoint.x;
		y2 = aPoint.y;
	}

	@Override
	public FGEPoint getCtrlP1() {
		return new FGEPoint(ctrlx1, ctrly1);
	}

	public void setCtrlP1(FGEPoint aPoint) {
		ctrlx1 = aPoint.x;
		ctrly1 = aPoint.y;
	}

	@Override
	public FGEPoint getCtrlP2() {
		return new FGEPoint(ctrlx2, ctrly2);
	}

	public void setCtrlP2(FGEPoint aPoint) {
		ctrlx2 = aPoint.x;
		ctrly2 = aPoint.y;
	}

	@Override
	public void paint(FGEGraphics g) {
		g.useDefaultForegroundStyle();
		g.drawCurve(this);
	}

	@Override
	public FGECubicCurve transform(AffineTransform t) {
		return new FGECubicCurve(getP1().transform(t), getCtrlP1().transform(t), getCtrlP2().transform(t), getP2().transform(t));
	}

	@Override
	public List<FGEPoint> getControlPoints() {
		Vector<FGEPoint> returned = new Vector<FGEPoint>();
		returned.add(getP1());
		returned.add(getP2());
		return returned;
	}

	@Override
	public String toString() {
		return "FGECubicCurve: [" + getP1() + "," + getCtrlP1() + "," + getCtrlP2() + "," + getP2() + "]";
	}

	@Override
	public boolean containsArea(FGEArea a) {
		if (a instanceof FGEPoint) {
			return containsPoint((FGEPoint) a);
		}
		return false;
	}

	@Override
	public boolean containsLine(FGEAbstractLine l) {
		return false;
	}

	@Override
	public boolean containsPoint(FGEPoint p) {
		return super.contains(p);
	}

	@Override
	public FGEArea getAnchorAreaFrom(org.openflexo.fge.geom.FGEGeometricObject.SimplifiedCardinalDirection direction) {
		return clone();
	}

	@Override
	public FGECubicCurve clone() {
		return (FGECubicCurve) super.clone();
	}

	@Override
	public FGEPoint getNearestPoint(FGEPoint aPoint) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public FGEArea getOrthogonalPerspectiveArea(org.openflexo.fge.geom.FGEGeometricObject.SimplifiedCardinalDirection orientation) {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public FGEArea exclusiveOr(FGEArea area) {
		return new FGEExclusiveOrArea(this, area);
	}

	@Override
	public FGEArea intersect(FGEArea area) {
		FGEIntersectionArea returned = new FGEIntersectionArea(this, area);
		if (returned.isDevelopable()) {
			return returned.makeDevelopped();
		} else {
			return returned;
		}
	}

	@Override
	public FGEArea union(FGEArea area) {
		if (containsArea(area)) {
			return clone();
		}
		if (area.containsArea(this)) {
			return area.clone();
		}

		return new FGEUnionArea(this, area);
	}

	@Override
	public FGEArea substract(FGEArea area, boolean isStrict) {
		return new FGESubstractionArea(this, area, isStrict);
	}

	@Override
	public String getStringRepresentation() {
		return toString();
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof FGECubicCurve) {
			FGECubicCurve s = (FGECubicCurve) obj;
			return getP1().equals(s.getP1()) && getP2().equals(s.getP2()) && getCtrlP1().equals(s.getCtrlP1())
					&& getCtrlP2().equals(s.getCtrlP2()) || getP1().equals(s.getP2()) && getP2().equals(s.getP1())
					&& getCtrlP1().equals(s.getCtrlP2()) && getCtrlP2().equals(s.getCtrlP1());
		}
		return false;
	}

	/**
	 * This area is finite, so always return true
	 */
	@Override
	public final boolean isFinite() {
		return true;
	}

	/**
	 * This area is finite, so always return null
	 */
	@Override
	public final FGERectangle getEmbeddingBounds() {
		Rectangle2D bounds2D = getBounds2D();

		return new FGERectangle(bounds2D.getX(), bounds2D.getY(), bounds2D.getWidth(), bounds2D.getHeight(), Filling.FILLED);
	}

	/**
	 * Return nearest point from point "from" following supplied orientation
	 * 
	 * Returns null if no intersection was found
	 * 
	 * @param from
	 *            point from which we are coming to area
	 * @param orientation
	 *            orientation we are coming from
	 * @return
	 */
	@Override
	public FGEPoint nearestPointFrom(FGEPoint from, SimplifiedCardinalDirection orientation) {
		// TODO: not implemented
		return null;

	}

}