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/*
 * Copyright (c) 2007 through 2024 David Berkman
 *
 * This file is part of the SmallMind Code Project.
 *
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 *
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * ...or...
 *
 * 2) The terms of the Apache License, Version 2.0.
 *
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License or Apache License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 *
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.memcached.cubby.command;

import java.nio.charset.StandardCharsets;
import org.smallmind.memcached.cubby.UnexpectedResponseException;
import org.smallmind.memcached.cubby.response.Response;
import org.smallmind.memcached.cubby.response.ResponseCode;
import org.smallmind.memcached.cubby.translator.KeyTranslator;

public class NoopCommand extends Command {

  private static final byte[] BYTES = "mn\r\n".getBytes(StandardCharsets.UTF_8);

  private String key;

  @Override
  public String getKey () {

    return key;
  }

  public NoopCommand setKey (String key) {

    this.key = key;

    return this;
  }

  @Override
  public byte[] construct (KeyTranslator keyTranslator) {

    return BYTES;
  }

  @Override
  public Result process (Response response)
    throws UnexpectedResponseException {

    if (response.getCode().equals(ResponseCode.MN)) {

      return new Result(null, true, response.getCas());
    } else {
      throw new UnexpectedResponseException("Unexpected response code(%s)", response.getCode().name());
    }
  }
}