/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2007-2008, 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.coverageio.jp2k;

import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.logging.Logger;

import org.geotools.coverage.grid.io.AbstractGridCoverage2DReader;
import org.geotools.coverageio.jp2k.Granule;
import org.geotools.coverageio.jp2k.JP2KReader;
import org.geotools.coverageio.jp2k.Granule.Level;
import org.geotools.geometry.GeneralEnvelope;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.test.TestData;
import org.junit.Test;

/**
 * @author Daniele Romagnoli, GeoSolutions
 * @author Simone Giannecchini (simboss), GeoSolutions
 *
 * Testing {@link Granule}
 *
 *
 * @source $URL: http://svn.osgeo.org/geotools/trunk/modules/plugin/jp2k/src/test/java/org/geotools/coverageio/jp2k/GranuleTest.java $
 */
public final class GranuleTest extends BaseJP2K {

	private final static Logger LOGGER = org.geotools.util.logging.Logging.getLogger(GranuleTest.class);
    /**
     * Creates a new instance of GranuleTest
     *
     * @param name
     */
    public GranuleTest() {
    }

    @Test
    public void test() throws Exception {
    	if (!testingEnabled()) {
            return;
        }
    	File file = null;
        try{
             file = TestData.file(this, "sample.jp2");
         }catch (FileNotFoundException fnfe){
             LOGGER.warning("test-data not found: sample.jp2 \nTests are skipped");
             return;
        }
         
		final AbstractGridCoverage2DReader reader = new JP2KReader(file);
		final GeneralEnvelope envelope = reader.getOriginalEnvelope();
		final Granule granule = new Granule(new ReferencedEnvelope(envelope), file);
		final Level level = granule.getLevel(0);
		if (level != null){
			final AffineTransform btl = level.getBaseToLevelTransform();
	    	assertTrue(btl.isIdentity());
	    	final Rectangle bounds = level.getBounds();
	    	assertEquals(bounds.width, 400);
	        assertEquals(bounds.height, 200);
	    	final int h = level.getHeight();
	    	final int w = level.getWidth();
	    	assertEquals(bounds.width, w);
	        assertEquals(bounds.height, h);
	        
	    	final double sx = level.getScaleX();
	    	final double sy = level.getScaleY();
	    	assertEquals(sx, 1.0, DELTA);
	        assertEquals(sy, 1.0, DELTA);
	         
	    	final String levelS = level.toString();
	    	if (TestData.isInteractiveTest()){
	         	if (LOGGER.isLoggable(java.util.logging.Level.INFO))
	         		LOGGER.info(levelS);
	        }
	    }
    	
    	final String granuleS = granule.toString();
    	if (TestData.isInteractiveTest()){
         	if (LOGGER.isLoggable(java.util.logging.Level.INFO))
         		LOGGER.info(granuleS);
        }
    	
    }
}