/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <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 the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <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>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.course.nodes;

import java.util.List;

import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.stack.BreadcrumbPanel;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.generic.messages.MessageUIFactory;
import org.olat.core.gui.control.generic.tabbable.TabbableController;
import org.olat.core.gui.translator.Translator;
import org.olat.core.util.Util;
import org.olat.core.util.nodes.INode;
import org.olat.course.ICourse;
import org.olat.course.condition.ConditionEditController;
import org.olat.course.editor.ConditionAccessEditConfig;
import org.olat.course.editor.CourseEditorEnv;
import org.olat.course.editor.NodeEditController;
import org.olat.course.editor.StatusDescription;
import org.olat.course.nodes.opencast.ui.OpencastDisplayController;
import org.olat.course.nodes.opencast.ui.OpencastEditController;
import org.olat.course.run.navigation.NodeRunConstructionResult;
import org.olat.course.run.userview.CourseNodeSecurityCallback;
import org.olat.course.run.userview.UserCourseEnvironment;
import org.olat.repository.RepositoryEntry;

/**
 * 
 * Initial date: 11 Aug 2020<br>
 * @author uhensler, urs.hensler@frentix.com, http://www.frentix.com
 *
 */
public class OpencastCourseNode extends AbstractAccessableCourseNode {

	private static final long serialVersionUID = 6660253327851645396L;
	
	@SuppressWarnings("deprecation")
	private static final String TRANSLATOR_PACKAGE = Util.getPackageName(OpencastEditController.class);
	
	public static final String TYPE = "opencast";
	public static final String ICON_CSS = "o_opencast_icon";
	
	// configuration
	public static final String CONFIG_SERIES_IDENTIFIER = "series.identifier";
	public static final String CONFIG_EVENT_IDENTIFIER = "event.identifier";
	public static final String CONFIG_TITLE = "title";

	public OpencastCourseNode() {
		this(null);
	}

	public OpencastCourseNode(INode parent) {
		super(TYPE, parent);
	}

	@Override
	public TabbableController createEditController(UserRequest ureq, WindowControl wControl, BreadcrumbPanel stackPanel,
			ICourse course, UserCourseEnvironment euce) {
		OpencastEditController editCtrl = new OpencastEditController(ureq, wControl, this);
		CourseNode chosenNode = course.getEditorTreeModel().getCourseNode(euce.getCourseEditorEnv().getCurrentCourseNodeId());
		return new NodeEditController(ureq, wControl, course, chosenNode, euce, editCtrl);
	}

	@Override
	public ConditionAccessEditConfig getAccessEditConfig() {
		return ConditionAccessEditConfig.regular(false);
	}

	@Override
	public NodeRunConstructionResult createNodeRunConstructionResult(UserRequest ureq, WindowControl wControl,
			UserCourseEnvironment userCourseEnv, CourseNodeSecurityCallback nodeSecCallback, String nodecmd) {
		Controller runCtrl;
		if (userCourseEnv.isCourseReadOnly()) {
			Translator trans = Util.createPackageTranslator(OpencastCourseNode.class, ureq.getLocale());
			String title = trans.translate("freezenoaccess.title");
			String message = trans.translate("freezenoaccess.message");
			runCtrl = MessageUIFactory.createInfoMessage(ureq, wControl, title, message);
		} else {
			runCtrl = new OpencastDisplayController(ureq, wControl, this, userCourseEnv);
		}
		Controller ctrl = TitledWrapperHelper.getWrapper(ureq, wControl, runCtrl, this, ICON_CSS);
		return new NodeRunConstructionResult(ctrl);
	}

	@SuppressWarnings("deprecation")
	@Override
	public StatusDescription[] isConfigValid(CourseEditorEnv cev) {
		String translatorStr = Util.getPackageName(ConditionEditController.class);
		List<StatusDescription> statusDescs = isConfigValidWithTranslator(cev, translatorStr, getConditionExpressions());
		return StatusDescriptionHelper.sort(statusDescs);
	}
	
	@Override
	public StatusDescription isConfigValid() {
		if (oneClickStatusCache != null) {
			return oneClickStatusCache[0];
		}

		StatusDescription sd = StatusDescription.NOERROR;
		boolean isSelected = getModuleConfiguration().has(CONFIG_SERIES_IDENTIFIER)
				|| getModuleConfiguration().has(CONFIG_EVENT_IDENTIFIER);
		if (!isSelected) {
			String shortKey = "error.no.selection.short";
			String longKey = "error.no.selection.long";
			String[] params = new String[] { this.getShortTitle() };
			sd = new StatusDescription(StatusDescription.ERROR, shortKey, longKey, params, TRANSLATOR_PACKAGE);
			sd.setDescriptionForUnit(getIdent());
			// set which pane is affected by error
			sd.setActivateableViewIdentifier(OpencastEditController.PANE_TAB_CONFIG);
		}
		return sd;
	}
	
	@Override
	public RepositoryEntry getReferencedRepositoryEntry() {
		return null;
	}

	@Override
	public boolean needsReferenceToARepositoryEntry() {
		return false;
	}


}