/**
 * 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.metron.stellar.common.configuration;

import com.google.common.base.Function;
import org.apache.metron.stellar.common.Constants;
import org.apache.metron.stellar.common.utils.JSONUtils;

import java.io.IOException;
import java.util.Map;

public enum ConfigurationType implements Function<String, Object> {

  GLOBAL("global",".", s -> {
    try {
      return JSONUtils.INSTANCE.load(s, JSONUtils.MAP_SUPPLIER);
    } catch (IOException e) {
      throw new RuntimeException("Unable to load " + s, e);
    }
  });

  String name;
  String directory;
  String zookeeperRoot;
  Function<String,?> deserializer;

  ConfigurationType(String name, String directory, Function<String, ?> deserializer) {
    this.name = name;
    this.directory = directory;
    this.zookeeperRoot = Constants.ZOOKEEPER_TOPOLOGY_ROOT + "/" + name;
    this.deserializer = deserializer;
  }

  public String getName() {
    return name;
  }

  public String getDirectory() {
    return directory;
  }

  public Object deserialize(String s) {
    return deserializer.apply(s);
  }

  @Override
  public Object apply(String s) {
    return deserialize(s);
  }

  public String getZookeeperRoot() {
    return zookeeperRoot;
  }
}
