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/*-
 * -\-\-
 * Helios Client
 * --
 * Copyright (C) 2016 Spotify AB
 * --
 * Licensed 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 com.spotify.helios.common.descriptors;

import static java.util.Arrays.asList;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableMap;
import java.util.Map;

/**
 * A set of port names, that is map keys, together with ServicePortParameters containing optional
 * metadata for a port.
 *
 * A typical JSON representation might be:
 * 
 * {
 *   "http" : { }
 * }
 * 
 */
@JsonIgnoreProperties(ignoreUnknown = true)
public class ServicePorts extends Descriptor {

  private final Map ports;

  public ServicePorts(@JsonProperty("ports") final Map ports) {
    this.ports = ports;
  }

  public Map getPorts() {
    return ports;
  }

  @Override
  public boolean equals(final Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null || getClass() != obj.getClass()) {
      return false;
    }

    final ServicePorts that = (ServicePorts) obj;

    if (ports != null ? !ports.equals(that.ports) : that.ports != null) {
      return false;
    }

    return true;
  }

  @Override
  public int hashCode() {
    return ports != null ? ports.hashCode() : 0;
  }

  @Override
  public String toString() {
    return "ServicePorts{"
           + "ports=" + ports
           + '}';
  }

  public static ServicePorts of(final String... ports) {
    return of(asList(ports));
  }

  private static ServicePorts of(final Iterable ports) {
    final ImmutableMap.Builder builder = ImmutableMap.builder();
    for (final String port : ports) {
      builder.put(port, new ServicePortParameters(null));
    }
    return new ServicePorts(builder.build());
  }
}