package org.gcube.portlets.user.geoportaldataviewer.server.mongoservice;

import javax.servlet.http.HttpServletRequest;

import org.gcube.application.geoportal.common.model.legacy.Concessione;
import org.gcube.common.portal.PortalContext;
import org.gcube.portlets.user.geoportaldataviewer.server.mongoservice.accessidentities.GcubeIdentity;
import org.gcube.portlets.user.geoportaldataviewer.server.mongoservice.accessidentities.IAMClientIdentity;
import org.gcube.portlets.user.geoportaldataviewer.server.mongoservice.accessidentities.UserIdentity;
import org.gcube.portlets.user.geoportaldataviewer.server.util.SessionUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * The Class ConcessioniMongoServiceIdentityProxy.
 *
 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
 * 
 * Sep 23, 2021
 */
public class ConcessioniMongoServiceIdentityProxy {

	private static final Logger LOG = LoggerFactory.getLogger(ConcessioniMongoServiceIdentityProxy.class);
	
	private GcubeIdentity gCubeIdentity;


	/**
	 * Instantiates a new concessioni mongo service proxy.
	 *
	 * @param request the request
	 * @throws Exception the exception
	 */
	public ConcessioniMongoServiceIdentityProxy(HttpServletRequest request) throws Exception {
		SessionUtil.getCurrentContext(request, true);
		PortalContext pContext = PortalContext.getConfiguration();
		String username = null;
		try {
			username = pContext.getCurrentUser(request).getUsername();
		}catch (Exception e) {
			LOG.info("Username not detected in session");
		}
		if (username != null) {
			LOG.info("User detected, using its identity");
			gCubeIdentity = new UserIdentity();
		} else {
			LOG.info("User not detected, using IAM Client identity");
			gCubeIdentity = new IAMClientIdentity();
		}
		
		gCubeIdentity.setIdentity(request);
	}


	/**
	 * Gets the item by id.
	 *
	 * @param mongoItemId the mongo item id
	 * @return the item by id
	 * @throws Exception the exception
	 */
	public Concessione getItemById(String mongoItemId) throws Exception {

		try {
			// Obtain the client
			ConcessioniMongoService concessioniManager = new ConcessioniMongoService();
			// Returning item by Id
			return concessioniManager.getItemById(mongoItemId);
		}catch(Exception e) {
			LOG.error("Error on reading itemById: "+mongoItemId, e);
			throw(e);
		}finally {
			gCubeIdentity.resetIdentity();
		}
	}
}