/**
 * Copyright 2016 LinkedIn Corp. All rights reserved.
 *
 * Licensed 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.
 */
package com.github.ambry.tools.perf.rest;

import com.github.ambry.config.Config;
import com.github.ambry.config.Default;
import com.github.ambry.config.VerifiableProperties;
import com.github.ambry.rest.RestMethod;


/**
 * Configuration parameters associated with performance tests.
 */
class PerfConfig {
  // General

  /**
   * Size in bytes of the blob that will used for GET/POST.
   */
  @Config("perf.blob.size")
  @Default("10485760")
  public final long perfBlobSize;

  /**
   * Size in bytes of the user metadata that will used for GET/HEAD/POST.
   */
  @Config("perf.user.metadata.size")
  @Default("1024")
  public final int perfUserMetadataSize;

  // PerfNioServer

  /**
   * Size in bytes of each chunk that will created during POST by the {@link PerfNioServer}.
   */
  @Config("perf.nio.server.chunk.size")
  @Default("8192")
  public final int perfNioServerChunkSize;

  /**
   * Number of concurrent requests.
   */
  @Config("perf.nio.server.concurrency")
  @Default("1")
  public final int perfNioServerConcurrency;

  /**
   * {@link RestMethod} desired in the {@link com.github.ambry.rest.RestRequest} generated by {@link PerfNioServer}.
   */
  @Config("perf.request.rest.method")
  @Default("GET")
  public final RestMethod perfRequestRestMethod;

  // PerfRouter

  /**
   * Size in bytes of each chunk that will created during GET by the {@link PerfRouter}.
   */
  @Config("perf.router.chunk.size")
  @Default("1048576")
  public final int perfRouterChunkSize;

  public PerfConfig(VerifiableProperties verifiableProperties) {
    // General
    perfBlobSize = verifiableProperties.getLong("perf.blob.size", 10485760);
    perfUserMetadataSize = verifiableProperties.getIntInRange("perf.user.metadata.size", 1024, 0, 81920);

    // PerfNioServer
    perfNioServerChunkSize = verifiableProperties.getIntInRange("perf.nio.server.chunk.size", 8192, 1, 10485760);
    perfNioServerConcurrency =
        verifiableProperties.getIntInRange("perf.nio.server.concurrency", 1, 1, Integer.MAX_VALUE);
    perfRequestRestMethod = RestMethod.valueOf(
        verifiableProperties.getString("perf.request.rest.method", RestMethod.GET.toString()).toUpperCase());

    // PerfRouter
    perfRouterChunkSize = verifiableProperties.getIntInRange("perf.router.chunk.size", 1048576, 1, 10485760);
  }
}