/**
 * 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 kafka.perf

import joptsimple.OptionParser


class PerfConfig(args: Array[String]) {
  val parser = new OptionParser
  val topicOpt = parser.accepts("topic", "REQUIRED: The topic to consume from.")
    .withRequiredArg
    .describedAs("topic")
    .ofType(classOf[String])
  val numMessagesOpt = parser.accepts("messages", "The number of messages to send or consume")
    .withRequiredArg
    .describedAs("count")
    .ofType(classOf[java.lang.Long])
    .defaultsTo(Long.MaxValue)
  val reportingIntervalOpt = parser.accepts("reporting-interval", "Interval at which to print progress info.")
    .withRequiredArg
    .describedAs("size")
    .ofType(classOf[java.lang.Integer])
    .defaultsTo(5000)
  val dateFormatOpt = parser.accepts("date-format", "The date format to use for formatting the time field. " +
    "See java.text.SimpleDateFormat for options.")
    .withRequiredArg
    .describedAs("date format")
    .ofType(classOf[String])
    .defaultsTo("yyyy-MM-dd HH:mm:ss:SSS")
  val showDetailedStatsOpt = parser.accepts("show-detailed-stats", "If set, stats are reported for each reporting " +
    "interval as configured by reporting-interval")
  val hideHeaderOpt = parser.accepts("hide-header", "If set, skips printing the header for the stats ")
}