/*
 * 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.rocketmq.tools.command.message;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.rocketmq.client.QueryResult;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.remoting.RPCHook;
import org.apache.rocketmq.tools.admin.DefaultMQAdminExt;
import org.apache.rocketmq.tools.command.SubCommand;
import org.apache.rocketmq.tools.command.SubCommandException;

public class QueryMsgByKeySubCommand implements SubCommand {

    @Override
    public String commandName() {
        return "queryMsgByKey";
    }

    @Override
    public String commandDesc() {
        return "Query Message by Key";
    }

    @Override
    public Options buildCommandlineOptions(Options options) {
        Option opt = new Option("t", "topic", true, "topic name");
        opt.setRequired(true);
        options.addOption(opt);

        opt = new Option("k", "msgKey", true, "Message Key");
        opt.setRequired(true);
        options.addOption(opt);

        return options;
    }

    @Override
    public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) throws SubCommandException {
        DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

        defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

        try {
            final String topic = commandLine.getOptionValue('t').trim();
            final String key = commandLine.getOptionValue('k').trim();

            this.queryByKey(defaultMQAdminExt, topic, key);
        } catch (Exception e) {
            throw new SubCommandException(this.getClass().getSimpleName() + " command failed", e);
        } finally {
            defaultMQAdminExt.shutdown();
        }
    }

    private void queryByKey(final DefaultMQAdminExt admin, final String topic, final String key)
        throws MQClientException, InterruptedException {
        admin.start();

        QueryResult queryResult = admin.queryMessage(topic, key, 64, 0, Long.MAX_VALUE);
        System.out.printf("%-50s %4s %40s%n",
            "#Message ID",
            "#QID",
            "#Offset");
        for (MessageExt msg : queryResult.getMessageList()) {
            System.out.printf("%-50s %4d %40d%n", msg.getMsgId(), msg.getQueueId(), msg.getQueueOffset());
        }
    }
}
