/**
 * 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.
 */

#include "hdfs-ownership.h"

namespace hdfs::tools {
Ownership::Ownership(const std::string &user_and_group) {
  const auto owner_end = user_and_group.find(':');
  if (owner_end == std::string::npos) {
    user_ = user_and_group;
    return;
  }

  user_ = user_and_group.substr(0, owner_end);
  group_ = user_and_group.substr(owner_end + 1);
}

bool Ownership::operator==(const Ownership &other) const {
  const auto same_user = user_ == other.user_;
  if (group_.has_value() && other.group_.has_value()) {
    return same_user && group_.value() == other.group_.value();
  }

  if (!group_.has_value() && !other.group_.has_value()) {
    return same_user;
  }
  return false;
}
} // namespace hdfs::tools
