/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
 * 
 * Use is subject to license terms.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0. You can also
 * obtain a copy of the License at http://odftoolkit.org/docs/license.txt
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * 
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.odftoolkit.simple;

import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;

import org.junit.Assert;
import org.junit.Test;
import org.odftoolkit.odfdom.dom.OdfStylesDom;
import org.odftoolkit.odfdom.dom.attribute.presentation.PresentationClassAttribute;
import org.odftoolkit.odfdom.dom.element.draw.DrawFillImageElement;
import org.odftoolkit.odfdom.dom.element.draw.DrawGradientElement;
import org.odftoolkit.odfdom.dom.element.draw.DrawHatchElement;
import org.odftoolkit.odfdom.dom.element.draw.DrawMarkerElement;
import org.odftoolkit.odfdom.dom.element.style.StyleMasterPageElement;
import org.odftoolkit.odfdom.dom.style.OdfStyleFamily;
import org.odftoolkit.odfdom.incubator.doc.draw.OdfDrawFrame;
import org.odftoolkit.odfdom.incubator.doc.office.OdfOfficeAutomaticStyles;
import org.odftoolkit.odfdom.incubator.doc.office.OdfOfficeMasterStyles;
import org.odftoolkit.odfdom.incubator.doc.office.OdfOfficeStyles;
import org.odftoolkit.odfdom.incubator.doc.style.OdfStyle;
import org.odftoolkit.odfdom.pkg.OdfElement;
import org.odftoolkit.odfdom.pkg.OdfFileDom;
import org.odftoolkit.simple.presentation.Slide;
import org.odftoolkit.simple.utils.ResourceUtilities;
import org.w3c.dom.NodeList;

/**
 *
 * @author cl93746
 */
public class PresentationTest {

	Document odfdoc;

	public PresentationTest() {
		try {
			odfdoc = Document.loadDocument(ResourceUtilities.getAbsolutePath("presentation.odp"));
		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testPresentation() {
		try {
			PresentationDocument odpdoc = (PresentationDocument) odfdoc;

			Slide page = odpdoc.getSlideByName("slide-name-1");
			Assert.assertTrue((page != null) && page.getSlideName().equals("slide-name-1"));
			Assert.assertEquals(page, odpdoc.getSlideByIndex(0));

			page = odpdoc.getSlideByName("slide-name-2");
			Assert.assertTrue((page != null) && page.getSlideName().equals("slide-name-2"));
			Assert.assertEquals(page, odpdoc.getSlideByIndex(1));

			page = odpdoc.getSlideByName("slide-name-3");
			Assert.assertTrue((page != null) && page.getSlideName().equals("slide-name-3"));
			Assert.assertEquals(page, odpdoc.getSlideByIndex(2));

		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testMasterStyles() {
		try {
			OdfOfficeMasterStyles officeMasterStyles = odfdoc.getOfficeMasterStyles();
			Assert.assertNotNull(officeMasterStyles);

			// check if iterator has all two master pages
			testIterator(StyleMasterPageElement.class, officeMasterStyles.getMasterPages(), 2);

			// test "master-name-1"
			StyleMasterPageElement master = officeMasterStyles.getMasterPage("master-name-1");
			Assert.assertNotNull(master);
			Assert.assertEquals(master.getStyleNameAttribute(), "master-name-1");

			// test "master-name-2"
			master = officeMasterStyles.getMasterPage("master-name-2");
			Assert.assertNotNull(master);
			Assert.assertEquals(master.getStyleNameAttribute(), "master-name-2");

			// test handout master
			Assert.assertNotNull(officeMasterStyles.getHandoutMaster());

			// test layerset
			Assert.assertNotNull(officeMasterStyles.getLayerSet());
		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testStyles() {
		try {
			OdfOfficeStyles officeStyles = odfdoc.getDocumentStyles();
			Assert.assertNotNull(officeStyles);

			Assert.assertNotNull(officeStyles.getGradient("Linear_20_blue_2f_white"));
			testIterator(DrawGradientElement.class, officeStyles.getGradients().iterator(), 1);

			Assert.assertNotNull(officeStyles.getMarker("Arrow"));
			testIterator(DrawMarkerElement.class, officeStyles.getMarker().iterator(), 1);

			Assert.assertNotNull(officeStyles.getHatch("Black_20_0_20_Degrees"));
			testIterator(DrawHatchElement.class, officeStyles.getHatches().iterator(), 1);

			Assert.assertNotNull(officeStyles.getFillImage("Aqua"));
			testIterator(DrawFillImageElement.class, officeStyles.getFillImages().iterator(), 1);

			// check for some styles
			Assert.assertNotNull(officeStyles.getDefaultStyle(OdfStyleFamily.Graphic));
			Assert.assertNotNull(officeStyles.getStyle("standard", OdfStyleFamily.Graphic));
			Assert.assertNotNull(officeStyles.getStyle("master-name-1-outline1", OdfStyleFamily.Presentation));

			Iterator<OdfStyle> style_iter = officeStyles.getStylesForFamily(OdfStyleFamily.Presentation).iterator();
			Assert.assertNotNull(style_iter);
			Assert.assertTrue(style_iter.hasNext());
		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}

	private <T extends OdfElement> void testIterator(Class<T> clazz, Iterator<T> iter, int elements) {
		Assert.assertNotNull(iter);
		while (elements > 0) {
			Assert.assertTrue(iter.hasNext());
			Assert.assertTrue(clazz.isInstance(iter.next()));
			elements--;
		}

		Assert.assertFalse(iter.hasNext());
	}

	@Test
	public void testPresentationClassAttribute() {
		try {
			GraphicsDocument doc = GraphicsDocument.newGraphicsDocument();
			OdfFileDom dom = doc.getContentDom();
			OdfDrawFrame f = new OdfDrawFrame(dom);

			f.setPresentationClassAttribute(PresentationClassAttribute.Value.GRAPHIC.toString());
			Logger.getLogger(DocumentCreationTest.class.getName()).info(f.getPresentationClassAttribute());
		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}

	@Test
	public void testStyleUsageCount() {
		try {
			OdfOfficeAutomaticStyles s = odfdoc.getStylesDom().getAutomaticStyles();
			OdfStyle pr1 = s.getStyle("pr1", OdfStyleFamily.Presentation);
			int styleUserCount = pr1.getStyleUserCount();
			OdfStylesDom stylesDom = odfdoc.getStylesDom();
			XPath xpath = stylesDom.getXPath();
			NodeList elementsWithStyle = (NodeList) xpath.evaluate("//draw:frame[@presentation:style-name='pr1']",
					stylesDom, XPathConstants.NODESET);
			int elementsWithStyleCount = elementsWithStyle.getLength();
			Assert.assertTrue(styleUserCount == elementsWithStyleCount);
//			//#bug51,the bug will be induced by using set attribute method
//			OdfDrawFrame frame = (OdfDrawFrame) elementsWithStyle.item(0);
//			frame.setPresentationStyleNameAttribute("pr2");
//			styleUserCount = pr1.getStyleUserCount();
//			elementsWithStyle = (NodeList) xpath.evaluate("//draw:frame[@presentation:style-name='pr1']",
//					odfdoc.getStylesDom(), XPathConstants.NODESET);
//			elementsWithStyleCount = elementsWithStyle.getLength();
//			Assert.assertTrue("Last part of bug51 still to be fixed..!!", styleUserCount == elementsWithStyleCount);
		} catch (Exception e) {
			Logger.getLogger(PresentationTest.class.getName()).log(Level.SEVERE, e.getMessage(), e);
			Assert.fail(e.getMessage());
		}
	}
}