/**
 * OLAT - Online Learning and Training<br>
 * http://www.olat.org
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); <br>
 * you may not use this file except in compliance with the License.<br>
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing,<br>
 * software distributed under the License is distributed on an "AS IS" BASIS, <br>
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
 * See the License for the specific language governing permissions and <br>
 * limitations under the License.
 * <p>
 * Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
 * University of Zurich, Switzerland.
 * <p>
 */
package org.olat.modules.ims.cp;

import org.apache.log4j.Logger;
import static org.junit.Assert.*;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.olat.core.commons.persistence.DBFactory;
import org.olat.core.id.OLATResourceable;
import org.olat.core.util.resource.OresHelper;
import org.olat.core.util.vfs.VFSItem;
import org.olat.core.util.vfs.VFSLeaf;
import org.olat.ims.cp.CPManager;
import org.olat.ims.cp.ContentPackage;
import org.olat.ims.cp.objects.CPItem;
import org.olat.ims.cp.objects.CPOrganization;
import org.olat.modules.fo.ForumManagerTest;
import org.olat.test.OlatTestCase;

/**
 * The test class for the CPManager and its implementation.
 * 
 * <P>
 * Initial Date: Jun 11, 2009 <br>
 * 
 * @author gwassmann
 */
public class CPManagerTest extends OlatTestCase {

	private static final String ITEM_ID = "this_is_a_great_inital_item_identifier";
	private static final String PAGE_TITLE = "fancy page";
	private static final Logger log = Logger.getLogger(ForumManagerTest.class.getName());
	private CPManager mgr = null;
	private ContentPackage cp;

	@Before
	public void setUp() {
		// create some users with user manager
		mgr = CPManager.getInstance();
		try {
			log.info("setUp start ------------------------");

			OLATResourceable ores = OresHelper.createOLATResourceableInstance(
					this.getClass(), Long.valueOf((long) (Math.random()*100000)));
			cp = mgr.createNewCP(ores, PAGE_TITLE);
			assertNotNull("crated cp is null, check filesystem where the temp cp's are created.", cp);

		} catch (Exception e) {
			log.error("Exception in setUp(): " + e);
		}
	}

	@After
	public void tearDown() {
		cp.getRootDir().delete();
		try {
			DBFactory.getInstance().closeSession();
		} catch (Exception e) {
			log.error("Exception in tearDown(): " + e);
		}
	}
	
	@Test
	public void testLoad() {
		ContentPackage relodedCP = mgr.load(cp.getRootDir(), cp.getResourcable());
		assertNotNull(relodedCP);
		CPOrganization orga = relodedCP.getFirstOrganizationInManifest();
		assertNotNull(orga);
		CPItem item = orga.getFirstItem();
		assertEquals(PAGE_TITLE, item.getTitle());
	}
	@Test
	public void testCreateNewCP() {
	// Tested through setup. Foundation for the other tests.
	}
	@Test
	public void testIsSingleUsedResource() {
	// mgr.isSingleUsedResource(res, cp);
	}
	@Test
	public void testAddBlankPage() {
		final String pageTitle = "the blank page";
		String ident = mgr.addBlankPage(cp, pageTitle);
		assertNotNull(ident);
		
	}
	@Test
	public void testUpdatePage() {
	// TODO:GW impl
	}
	@Test
	public void testAddElement() {
	// TODO:GW impl
	}

	public void testAddElementAfter() {
		CPItem newItem = new CPItem();
		mgr.addElementAfter(cp, newItem, ITEM_ID);
		assertTrue("The new item wasn't inserted at the second position.", newItem.getPosition() == 1);
	}
	@Test
	public void testRemoveElement() {
	// TODO:GW impl
	}
	@Test
	public void testMoveElement() {
	// TODO:GW impl
	}

	public void testCopyElement() {
	// TODO:GW impl
	}
	@Test
	public void testGetDocument() {
	// TODO:GW impl
	}
	@Test
	public void testGetItemTitle() {
		String title = mgr.getItemTitle(cp, ITEM_ID);
		assertNotNull(title);
		assertEquals(PAGE_TITLE, title);
	}
	@Test
	public void testGetTreeDataModel() {
	// TODO:GW impl
	}
	@Test
	public void testGetFirstOrganizationInManifest() {
	// TODO:GW impl
	}

	public void testGetFirstPageToDisplay() {
	// this method basically just returns the first element in the cp
	}
	@Test
	public void testGetPageByItemId() {
		String href = mgr.getPageByItemId(cp, ITEM_ID);
		VFSItem file = cp.getRootDir().resolve(href);
		assertNotNull("The file path doesn't lead to a file.", file);
	}
	@Test
	public void testWriteToFile() {
		mgr.writeToFile(cp); // Throws exception on failure
	}
	@Test
	public void testWriteToZip() {
		// Substract 1s = 1000ms from now to make sure the time is before execution
		long before = System.currentTimeMillis() - 1000;
		VFSLeaf zip = mgr.writeToZip(cp);
		assertNotNull("The zip file wasn't created properly", zip);
		assertTrue("The last modified date of the zip file wasn't updated", zip.getLastModified() > before);
	}
	@Test
	public void testGetElementByIdentifier() {
	// TODO:GW impl
	}

}