/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.cdi.tck.tests.context.session.listener.shutdown;

import javax.enterprise.context.SessionScoped;
import javax.enterprise.inject.spi.BeanManager;
import javax.inject.Inject;
import javax.servlet.annotation.WebListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import org.jboss.cdi.tck.util.SimpleLogger;

@WebListener
public class TestHttpSessionListener implements HttpSessionListener {

    private static final SimpleLogger logger = new SimpleLogger(TestHttpSessionListener.class);

    @Inject
    BeanManager beanManager;

    @Inject
    SessionScopedTestFlagClient client;

    @Override
    public void sessionCreated(HttpSessionEvent se) {
        logger.log("Session {0} created...", se.getSession().getId());
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent se) {
        logger.log("Session {0} destroyed...", se.getSession().getId());
        checkSessionContextActive();
    }

    private void checkSessionContextActive() throws IllegalStateException {
        try {

            if (!beanManager.getContext(SessionScoped.class).isActive() || client == null) {
                return;
            }
            client.setTestFlag();

        } catch (Exception e) {
            logger.log("Unable to set test flag: {0}", e.getMessage());
        }
    }

}