/*
 * 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.log4j.chainsaw;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.MDC;
import org.apache.log4j.NDC;
import org.apache.log4j.helpers.Constants;
import org.apache.log4j.plugins.Receiver;
import org.apache.log4j.spi.LocationInfo;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.spi.ThrowableInformation;

import java.util.HashMap;
import java.util.Map;


/**
 * Class designed to stress, and/or test the Chainsaw GUI by sending it
 * lots of Logging Events.
 *
 * @author Scott Deboy &lt;sdeboy@apache.org&gt;
 */
public class Generator extends Receiver implements Runnable {
    private static final Logger logger1 =
        Logger.getLogger("com.mycompany.mycomponentA");
    private static final Logger logger2 =
        Logger.getLogger("com.mycompany.mycomponentB");
    private static final Logger logger3 =
        Logger.getLogger("com.someothercompany.corecomponent");
    private final String baseString_;
    private Thread thread;
    private boolean shutdown;

    public Generator(String name) {
        setName(name);
        baseString_ = name;
    }

    private LoggingEvent createEvent(
        Level level, Logger logger, String msg, Throwable t) {
        ThrowableInformation ti = new ThrowableInformation(t);
        Map<String, String> properties = new HashMap<>();
        properties.put(Constants.APPLICATION_KEY, getName());
        properties.put(Constants.HOSTNAME_KEY, "localhost");
        LocationInfo li = new LocationInfo("file", logger.getClass().getName(), "method", "123");
        LoggingEvent e = new LoggingEvent(
            logger.getClass().getName(), logger, System.currentTimeMillis(), level, msg, "Thread=1", ti, "NDC value", li, properties);
        return e;
    }

    public void run() {
        NDC.push(baseString_);
        MDC.put("some string", "some value" + baseString_);

        int i = 0;

        while (!shutdown) {
            doPost(createEvent(Level.TRACE, logger1, "tracemsg" + i++, null));
            doPost(
                createEvent(
                    Level.DEBUG, logger1,
                    "debugmsg " + i++
                        + " g dg sdfa sadf sdf safd fsda asfd sdfa sdaf asfd asdf fasd fasd adfs fasd adfs fads afds afds afsd afsd afsd afsd afsd fasd asfd asfd afsd fasd afsd",
                    null));
            doPost(createEvent(Level.INFO, logger1, "infomsg " + i++, null));
            doPost(createEvent(Level.WARN, logger1, "warnmsg " + i++, null));
            doPost(createEvent(Level.ERROR, logger1, "errormsg " + i++, null));
            doPost(createEvent(Level.FATAL, logger1, "fatalmsg " + i++, new Exception("someexception-" + baseString_)));
            doPost(createEvent(Level.TRACE, logger2, "tracemsg" + i++, null));
            doPost(
                createEvent(
                    Level.DEBUG, logger2,
                    "debugmsg " + i++
                        + " g dg sdfa sadf sdf safd fsda asfd sdfa sdaf asfd asdf fasd fasd adfs fasd adfs fads afds afds afsd afsd afsd afsd afsd fasd asfd asfd afsd fasd afsd",
                    null));
            doPost(createEvent(Level.INFO, logger2, "infomsg " + i++, null));
            doPost(createEvent(Level.WARN, logger2, "warnmsg " + i++, null));
            doPost(createEvent(Level.ERROR, logger2, "errormsg " + i++, null));
            doPost(createEvent(Level.FATAL, logger2, "fatalmsg " + i++, new Exception("someexception-" + baseString_)));
            doPost(createEvent(Level.TRACE, logger3, "tracemsg" + i++, null));
            doPost(
                createEvent(
                    Level.DEBUG, logger3,
                    "debugmsg " + i++
                        + " g dg sdfa sadf sdf safd fsda asfd sdfa sdaf asfd asdf fasd fasd adfs fasd adfs fads afds afds afsd afsd afsd afsd afsd fasd asfd asfd afsd fasd afsd",
                    null));
            doPost(createEvent(Level.INFO, logger3, "infomsg " + i++, null));
            doPost(createEvent(Level.WARN, logger3, "warnmsg " + i++, null));
            doPost(createEvent(Level.ERROR, logger3, "errormsg " + i++, null));
            doPost(createEvent(Level.FATAL, logger3, "fatalmsg " + i++, new Exception("someexception-" + baseString_)));

            try {
                Thread.sleep(1000);
            } catch (InterruptedException ie) {
            }
        }
    }

    /* (non-Javadoc)
     * @see org.apache.log4j.plugins.Plugin#shutdown()
     */
    public void shutdown() {
        shutdown = true;
    }

    /* (non-Javadoc)
     * @see org.apache.log4j.spi.OptionHandler#activateOptions()
     */
    public void activateOptions() {
        thread = new Thread(this);
        thread.setPriority(Thread.MIN_PRIORITY);
        thread.start();
    }
}