/*
 * 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.geode.internal.process;

import static org.apache.commons.lang3.StringUtils.EMPTY;

import java.nio.file.Path;

import org.apache.geode.util.internal.GeodeGlossary;

/**
 * Enumeration of GemFire {@link ControllableProcess} types and the file names associated with
 * controlling its lifecycle.
 *
 * @since GemFire 8.0
 */
public enum ProcessType {
  LOCATOR("LOCATOR", "vf.gf.locator"), SERVER("SERVER", "vf.gf.server");

  public static final String PROPERTY_TEST_PREFIX =
      GeodeGlossary.GEMFIRE_PREFIX + "test.ProcessType.TEST_PREFIX";

  private static final String SUFFIX_PID = "pid";
  private static final String SUFFIX_STOP_REQUEST = "stop.cmd";
  private static final String SUFFIX_STATUS_REQUEST = "status.cmd";
  private static final String SUFFIX_STATUS = "status";

  private final String name;
  private final String fileName;

  ProcessType(final String name, final String fileName) {
    this.name = name;
    this.fileName = fileName;
  }

  public String getPidFileName() {
    return System.getProperty(PROPERTY_TEST_PREFIX, EMPTY) + fileName
        + '.' + SUFFIX_PID;
  }

  public String getStopRequestFileName() {
    return System.getProperty(PROPERTY_TEST_PREFIX, EMPTY) + fileName
        + '.' + SUFFIX_STOP_REQUEST;
  }

  public String getStatusRequestFileName() {
    return System.getProperty(PROPERTY_TEST_PREFIX, EMPTY) + fileName
        + '.' + SUFFIX_STATUS_REQUEST;
  }

  public String getStatusFileName() {
    return System.getProperty(PROPERTY_TEST_PREFIX, EMPTY) + fileName
        + '.' + SUFFIX_STATUS;
  }

  public int readPid(Path workingDir) {
    return ProcessUtils.readPid(workingDir.resolve(getPidFileName()));
  }

  @Override
  public String toString() {
    return name;
  }
}
