/**
* 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.
* <hr>
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* This file has been modified by the OpenOLAT community. Changes are licensed
* under the Apache 2.0 license as the original file.
*/
package org.olat.modules.scorm;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.apache.logging.log4j.Logger;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.generic.iframe.DeliveryOptions;
import org.olat.core.id.OLATResourceable;
import org.olat.core.logging.Tracing;
import org.olat.core.util.FileUtils;
import org.olat.core.util.xml.XStreamHelper;
import org.olat.fileresource.FileResourceManager;
import org.springframework.stereotype.Service;

import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.security.ExplicitTypePermission;


/**
 * Initial Date:  08.10.2007 <br>
 * @author Felix Jost, http://www.goodsolutions.ch
 */
@Service
public class ScormMainManager {
	
	public static final String PACKAGE_CONFIG_FILE_NAME = "ScormPackageConfig.xml";
	
	private static final Logger log = Tracing.createLoggerFor(ScormMainManager.class);
	private static XStream configXstream = XStreamHelper.createXStreamInstance();
	static {
		Class<?>[] types = new Class[] {
				ScormPackageConfig.class, DeliveryOptions.class
			};
		configXstream.addPermission(new ExplicitTypePermission(types));
		configXstream.alias("packageConfig", ScormPackageConfig.class);
		configXstream.alias("deliveryOptions", DeliveryOptions.class);
	}
	
	public ScormPackageConfig getScormPackageConfig(File cpRoot) {
		File configXml = new File(cpRoot.getParentFile(), PACKAGE_CONFIG_FILE_NAME);
		if(configXml.exists()) {
			return (ScormPackageConfig)configXstream.fromXML(configXml);
		}
		return null;
	}
	
	public ScormPackageConfig getScormPackageConfig(OLATResourceable ores) {
		FileResourceManager frm = FileResourceManager.getInstance();
		File reFolder = frm.getFileResourceRoot(ores);
		File configXml = new File(reFolder, PACKAGE_CONFIG_FILE_NAME);
		if(configXml.exists()) {
			return (ScormPackageConfig)configXstream.fromXML(configXml);
		}
		return null;
	}
	
	public void setScormPackageConfig(OLATResourceable ores, ScormPackageConfig config) {
		FileResourceManager frm = FileResourceManager.getInstance();
		File reFolder = frm.getFileResourceRoot(ores);
		File configXml = new File(reFolder, PACKAGE_CONFIG_FILE_NAME);
		if(config == null) {
			FileUtils.deleteFile(configXml);
		} else {
			try(OutputStream out = new FileOutputStream(configXml)) {
				configXstream.toXML(config, out);
			} catch (IOException e) {
				log.error("", e);
			}
		}
	}
	
	/**
	 * @param ureq
	 * @param wControl
	 * @param showMenu if true, the ims cp menu is shown
	 * @param apiCallback the callback to where lmssetvalue data is mirrored, or null if no callback is desired
	 * @param cpRoot
	 * @param resourceId
	 * @param lessonMode add null for the default value or "normal", "browse" or
	 *          "review"
	 * @param creditMode add null for the default value or "credit", "no-credit"
	 */
	public ScormAPIandDisplayController createScormAPIandDisplayController(UserRequest ureq, WindowControl wControl,
			boolean showMenu, ScormAPICallback apiCallback, File cpRoot, Long scormResourceId, String courseId,
			String lessonMode, String creditMode, boolean previewMode, String assessableType, boolean activate,
			boolean fullWindow, boolean attemptsIncremented, boolean randomizeDelivery, DeliveryOptions deliveryOptions) {
		
		ScormAPIandDisplayController ctrl= new ScormAPIandDisplayController(ureq, wControl, showMenu, apiCallback, cpRoot,
				scormResourceId, courseId, lessonMode, creditMode, previewMode, assessableType, activate, fullWindow,
				attemptsIncremented, randomizeDelivery, deliveryOptions);
		
		DeliveryOptions config = ctrl.getDeliveryOptions();
		boolean configAllowRawContent = (config == null || config.rawContent());
		ctrl.setRawContent(configAllowRawContent);
		return ctrl;
	}
	
}