/**
 * 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.apache.activemq.transport.amqp.joram;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.net.URI;
import java.util.Hashtable;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.qpid.jms.JmsConnectionFactory;
import org.apache.qpid.jms.JmsQueue;
import org.apache.qpid.jms.JmsTopic;
import org.objectweb.jtests.jms.admin.Admin;

/**
 *
 */
public class ActiveMQAdmin implements Admin {

    Context context;
    {
        // enableJMSFrameTracing();
        try {
            // Use the jetty JNDI context since it's mutable.
            final Hashtable<String, String> env = new Hashtable<String, String>();
            env.put("java.naming.factory.initial", "org.eclipse.jetty.jndi.InitialContextFactory");
            env.put("java.naming.factory.url.pkgs", "org.eclipse.jetty.jndi");
            ;
            context = new InitialContext(env);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @SuppressWarnings("resource")
    static public void enableJMSFrameTracing() {
        try {
            String outputStreamName = "amqp-trace.txt";
            final PrintStream out = new PrintStream(new FileOutputStream(new File(outputStreamName)));
            Handler handler = new Handler() {
                @Override
                public void publish(LogRecord r) {
                    out.println(String.format("%s:%s", r.getLoggerName(), r.getMessage()));
                }

                @Override
                public void flush() {
                    out.flush();
                }

                @Override
                public void close() throws SecurityException {
                    out.close();
                }
            };

            Logger log = Logger.getLogger("FRM");
            log.addHandler(handler);
            log.setLevel(Level.FINEST);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    protected BrokerService createBroker() throws Exception {
        return BrokerFactory.createBroker(new URI("broker://()/localhost" + "?persistent=false&useJmx=false&advisorySupport=false&schedulerSupport=false"));
    }

    @Override
    public String getName() {
        return getClass().getName();
    }

    static BrokerService broker;
    static int port;

    @Override
    public void startServer() throws Exception {
        if (broker != null) {
            stopServer();
        }
        if (System.getProperty("basedir") == null) {
            File file = new File(".");
            System.setProperty("basedir", file.getAbsolutePath());
        }
        broker = createBroker();
        TransportConnector connector = broker.addConnector(getConnectorURI());
        broker.start();
        port = connector.getConnectUri().getPort();
    }

    protected String getConnectorURI() {
        return "amqp://localhost:0";
    }

    @Override
    public void stopServer() throws Exception {
        broker.stop();
        broker = null;
    }

    @Override
    public void start() throws Exception {
    }

    @Override
    public void stop() throws Exception {
    }

    @Override
    public Context createContext() throws NamingException {
        return context;
    }

    @Override
    public void createQueue(String name) {
        try {
            context.bind(name, new JmsQueue(name));
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void createTopic(String name) {
        try {
            context.bind(name, new JmsTopic(name));
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void deleteQueue(String name) {
        try {
            context.unbind(name);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void deleteTopic(String name) {
        try {
            context.unbind(name);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void createConnectionFactory(String name) {
        try {
            final JmsConnectionFactory factory = new JmsConnectionFactory("amqp://localhost:" + port);
            context.bind(name, factory);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void deleteConnectionFactory(String name) {
        try {
            context.unbind(name);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void createQueueConnectionFactory(String name) {
        createConnectionFactory(name);
    }

    @Override
    public void createTopicConnectionFactory(String name) {
        createConnectionFactory(name);
    }

    @Override
    public void deleteQueueConnectionFactory(String name) {
        deleteConnectionFactory(name);
    }

    @Override
    public void deleteTopicConnectionFactory(String name) {
        deleteConnectionFactory(name);
    }
}