/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.
 */
package org.ofbiz.service.asterisk.websocket;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.atomic.AtomicInteger;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.apache.catalina.websocket.MessageInbound;
import org.apache.catalina.websocket.StreamInbound;
import org.apache.catalina.websocket.WebSocketServlet;
import org.apache.catalina.websocket.WsOutbound;
import org.apache.commons.lang3.StringEscapeUtils;
import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.service.asterisk.AsteriskServiceProvider;


@SuppressWarnings("deprecation")
public class AsteriskSocket extends WebSocketServlet {
    public static String module = AsteriskSocket.class.getName();
    private static final long serialVersionUID = 1L;
    private final AtomicInteger sessionId = new AtomicInteger(0);
    @Override
    public void init() throws ServletException {
        super.init();
        asp.setSockets(sessions);
    }

    @Override
    protected StreamInbound createWebSocketInbound(String subProtocol,
            HttpServletRequest request) {
        return new AsteriskSocketSession(sessionId.incrementAndGet());
    }

    public final class AsteriskSocketSession extends MessageInbound {
        public final int id;
        public AsteriskSocketSession(int id) {
            super();
            this.id = id;
        }

        public int getId() {
            return id;
        }


        @Override
        protected void onBinaryMessage(ByteBuffer message) throws IOException {
        }

        @Override
        protected void onTextMessage(CharBuffer msg) throws IOException {
             Debug.logInfo("^^^^^^^^^^^^^^^^^^^^^^^^^message received " + msg.toString(), module);
        }
        @Override
        protected void onOpen(WsOutbound outbound) {
            if(Debug.verboseOn()) {
                Debug.logInfo("^^^^^^^^^^^^^^^^^^^^^^^^^create session " + this.getId(), module);
            }
            sessions.add(this);
        }

        @Override
        protected void onClose(int status) {
            if(Debug.verboseOn()) {
                Debug.logInfo("^^^^^^^^^^^^^^^^^^^^^^^^^destroy sessions " + this.getId(), module);
            }
            sessions.remove(this);
        }
    }
}