/**
 *
 */
package org.gcube.portlets.widgets.wsthreddssync.server;

import javax.servlet.http.HttpServletRequest;

import org.gcube.common.homelibrary.home.HomeLibrary;
import org.gcube.common.homelibrary.home.exceptions.HomeNotFoundException;
import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
import org.gcube.common.homelibrary.home.workspace.Workspace;
import org.gcube.common.homelibrary.home.workspace.exceptions.WorkspaceFolderNotFoundException;
import org.gcube.common.portal.PortalContext;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.vomanagement.usermanagement.model.GCubeUser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.liferay.portal.service.UserLocalServiceUtil;


/**
 * The Class WsUtil.
 *
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 * Nov 25, 2016
 */
public class WsUtil {

	private static Logger logger = LoggerFactory.getLogger(WsUtil.class);


	/**
	 * Checks if is within portal.
	 *
	 * @return true if you're running into the portal, false if in development
	 */
	public static boolean isWithinPortal() {
		try {
			UserLocalServiceUtil.getService();
			return true;
		}
		catch (Exception ex) {
			logger.trace("Development Mode ON");
			return false;
		}
	}


	/**
	 * Checks if is session expired.
	 *
	 * @param httpServletRequest the http servlet request
	 * @return true, if is session expired
	 * @throws Exception the exception
	 */
	public static boolean isSessionExpired(HttpServletRequest httpServletRequest) throws Exception {
		logger.trace("workspace session validating...");
		return PortalContext.getConfiguration().getCurrentUser(httpServletRequest)==null;
	}


	/**
	 * Gets the workspace.
	 *
	 * @param httpServletRequest the http servlet request
	 * @return the workspace
	 * @throws InternalErrorException the internal error exception
	 * @throws HomeNotFoundException the home not found exception
	 * @throws WorkspaceFolderNotFoundException the workspace folder not found exception
	 */
	public static Workspace getWorkspace(HttpServletRequest httpServletRequest) throws InternalErrorException, HomeNotFoundException, WorkspaceFolderNotFoundException
	{
		logger.trace("Get Workspace");
		String scope = PortalContext.getConfiguration().getCurrentScope(httpServletRequest);
		GCubeUser user = PortalContext.getConfiguration().getCurrentUser(httpServletRequest);

		ScopeProvider.instance.set(scope);
		logger.trace("Scope provider instancied at: "+scope);

		Workspace workspace = HomeLibrary.getUserWorkspace(user.getUsername());
		return workspace;
	}

}