/*
 * Copyright (c) 2005-2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you 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.
 */

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.context.PrivilegedCarbonContext;

import javax.websocket.*;
import javax.websocket.server.PathParam;
import javax.websocket.server.ServerEndpoint;

@ServerEndpoint(value = "/t/{tdomain}/{adaptorname}")
public class TenantSubscriptionEndpoint extends SubscriptionEndpoint {

    private static final Log log = LogFactory.getLog(TenantSubscriptionEndpoint.class);
    private int tenantId;

    @OnOpen
    public void onOpen (Session session, @PathParam("adaptorname") String adaptorName, @PathParam("tdomain") String tdomain) {
        if (log.isDebugEnabled()) {
            log.debug("WebSocket opened, for Session id: "+session.getId()+", for tenant domain"+tdomain+", for the Adaptor:"+adaptorName);
        }

        try {
            PrivilegedCarbonContext.startTenantFlow();
            PrivilegedCarbonContext.getThreadLocalCarbonContext().setTenantDomain(tdomain, true);
            tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
            websocketLocalOutputCallbackRegisterService.subscribe(adaptorName, session);
        } finally {
            PrivilegedCarbonContext.endTenantFlow();
        }
    }

    @OnMessage
    public void onMessage (Session session, String message, @PathParam("adaptorname") String adaptorName, @PathParam("tdomain") String tdomain) {
        if (log.isDebugEnabled()) {
            log.debug("Received and dropped message from client. Message: " + message+", for Session id: "+session.getId()+", for tenant domain"+tdomain+", for the Adaptor:"+adaptorName);
        }
    }

    @OnClose
    public void onClose (Session session, CloseReason reason, @PathParam("adaptorname") String adaptorName, @PathParam("tdomain") String tdomain) {
        super.onClose(session, reason, adaptorName, tenantId);
    }

    @OnError
    public void onError (Session session, Throwable throwable, @PathParam("adaptorname") String adaptorName, @PathParam("tdomain") String tdomain) {
        super.onError(session, throwable, adaptorName, tenantId);
    }
}
