/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.geometry.iso.coordinate;

import java.util.ArrayList;
import java.util.List;

import org.geotools.geometry.iso.PositionFactoryImpl;
import org.geotools.geometry.iso.PrecisionModel;
import org.geotools.geometry.iso.aggregate.AggregateFactoryImpl;
import org.geotools.geometry.iso.complex.ComplexFactoryImpl;
import org.geotools.geometry.iso.io.CollectionFactoryMemoryImpl;
import org.geotools.geometry.iso.primitive.PrimitiveFactoryImpl;
import org.geotools.geometry.iso.util.elem2D.Geo2DFactory;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.PositionFactory;
import org.opengis.geometry.Precision;
import org.opengis.geometry.coordinate.GeometryFactory;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.picocontainer.PicoContainer;
import org.picocontainer.defaults.DefaultPicoContainer;

import junit.framework.TestCase;

public class PicoLineSegmentTest extends TestCase {

	protected PicoContainer container( CoordinateReferenceSystem crs ){
		
		DefaultPicoContainer container = new DefaultPicoContainer(); // parent
		
		// Teach Container about Factory Implementations we want to use
		container.registerComponentImplementation(PositionFactoryImpl.class);
		container.registerComponentImplementation(AggregateFactoryImpl.class);
		container.registerComponentImplementation(ComplexFactoryImpl.class);
		container.registerComponentImplementation(GeometryFactoryImpl.class);
		container.registerComponentImplementation(CollectionFactoryMemoryImpl.class);
		container.registerComponentImplementation(PrimitiveFactoryImpl.class);
		container.registerComponentImplementation(Geo2DFactory.class);
		
		// Teach Container about other dependacies needed
		container.registerComponentInstance( crs );
		Precision pr = new PrecisionModel();
		container.registerComponentInstance( pr );
		
		return container;		
	}
	
	public void testEquals(){
		CoordinateReferenceSystem crs = DefaultGeographicCRS.WGS84;
		PicoContainer container = container( crs ); // normal 2D
		GeometryFactoryImpl factory = (GeometryFactoryImpl) container.getComponentInstanceOfType( GeometryFactory.class );
		PositionFactory positionFactory = (PositionFactory ) container.getComponentInstanceOfType( PositionFactory.class );
		
		DirectPosition positionA = positionFactory.createDirectPosition(new double[]{10, 10});
		DirectPosition positionB = positionFactory.createDirectPosition(new double[]{70, 30});
		
		LineSegmentImpl expected = createLineSegment(positionA, positionB);		
		LineSegmentImpl actual = (LineSegmentImpl) factory.createLineSegment(positionA, positionB);
		
		assertEquals( expected, actual );
	}

	private LineSegmentImpl createLineSegment(DirectPosition positionA, DirectPosition positionB) {
		return new LineSegmentImpl( positionA.getCoordinateReferenceSystem(), positionA.getCoordinates(), positionB.getCoordinates(), 0);
	}
}