/*
 * 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
 *
 *   https://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.accumulo.core.volume;

import java.io.IOException;
import java.util.Set;

import org.apache.accumulo.core.conf.AccumuloConfiguration;
import org.apache.accumulo.core.conf.ConfigurationTypeHelper;
import org.apache.accumulo.core.conf.Property;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

public class VolumeConfiguration {

  public static FileSystem fileSystemForPath(String path, Configuration conf) throws IOException {
    return path.contains(":") ? new Path(path).getFileSystem(conf) : FileSystem.get(conf);
  }

  public static Set<String> getVolumeUris(AccumuloConfiguration conf) {
    var volumes = conf.get(Property.INSTANCE_VOLUMES);
    if (volumes == null || volumes.isBlank()) {
      throw new IllegalArgumentException(
          "Missing required property " + Property.INSTANCE_VOLUMES.getKey());
    }
    return ConfigurationTypeHelper.getVolumeUris(volumes);
  }

}
