package iso.primitive;

import java.util.ArrayList;

import junit.framework.TestCase;

import org.geotools.geometry.iso.FeatGeomFactoryImpl;
import org.geotools.geometry.iso.coordinate.CoordinateFactoryImpl;
import org.geotools.geometry.iso.coordinate.PositionImpl;
import org.geotools.geometry.iso.primitive.CurveImpl;
import org.geotools.geometry.iso.primitive.PrimitiveFactoryImpl;
import org.geotools.geometry.iso.primitive.RingImpl;
import org.opengis.spatialschema.geometry.geometry.Position;
import org.opengis.spatialschema.geometry.primitive.CurveSegment;
import org.opengis.spatialschema.geometry.primitive.OrientableCurve;

/**
 * @author sanjay
 *
 */
public class RingTest extends TestCase {
	
	public void testMain() {
		
		FeatGeomFactoryImpl tGeomFactory = FeatGeomFactoryImpl.getDefault2D();
		
		//this._testTriangle1(tGeomFactory);
		this._testRing1(tGeomFactory);
		
	}

	private void _testRing1(FeatGeomFactoryImpl aGeomFactory) {

		CoordinateFactoryImpl tCoordFactory = aGeomFactory.getCoordinateFactory();
		PrimitiveFactoryImpl tPrimFactory = aGeomFactory.getPrimitiveFactory();
		
		/* Defining Positions for LineStrings */
		ArrayList<Position> line1 = new ArrayList<Position>();
		line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
		line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{30, 30})));
		line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 50})));
		line1.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));

		ArrayList<Position> line2 = new ArrayList<Position>();
		line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{20, 70})));
		line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{40, 80})));
		line2.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));

		ArrayList<Position> line3 = new ArrayList<Position>();
		line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{70, 80})));
		line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{90, 70})));
		line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 60})));
		line3.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));

		ArrayList<Position> line4 = new ArrayList<Position>();
		line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{100, 40})));
		line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{80, 30})));
		line4.add(new PositionImpl(tCoordFactory.createDirectPosition(new double[]{50, 20})));
		
		/* Setting up Array of these LineStrings */
		ArrayList<CurveSegment> tLineList1 = new ArrayList<CurveSegment>();
		tLineList1.add(tCoordFactory.createLineString(line1));
		tLineList1.add(tCoordFactory.createLineString(line2)); 

		ArrayList<CurveSegment> tLineList2 = new ArrayList<CurveSegment>();
		tLineList2.add(tCoordFactory.createLineString(line3)); 
		tLineList2.add(tCoordFactory.createLineString(line4)); 

		/* Build Curve */
		CurveImpl curve1 = tPrimFactory.createCurve(tLineList1);
		CurveImpl curve2 = tPrimFactory.createCurve(tLineList2);

		
		/* Build Ring */
		ArrayList<OrientableCurve> curveList = new ArrayList<OrientableCurve>();
		curveList.add(curve1);
		curveList.add(curve2);
		
		RingImpl ring1 = tPrimFactory.createRing(curveList);

		System.out.println(ring1);

		System.out.println(ring1.getEnvelope());
		
		// Rings should be simple
		assertTrue(ring1.isSimple());
		
		// Rings should be cyclic (=closed)
		assertTrue(ring1.isCycle());
		
		// ***** getRepresentativePoint()
		double[] dp = ring1.getRepresentativePoint().getCoordinates();
		assertTrue(dp[0] == 50);
		assertTrue(dp[1] == 20);

		assertTrue(ring1.isCycle() == true);
		
		//PaintGMObject.paint(curve1);

		

	}


}