# frozen_string_literal: true
# Copyright (c) 2011-2017 VMware, Inc.  All Rights Reserved.
# SPDX-License-Identifier: MIT

class RbVmomi::VIM::ResourcePool
  # Retrieve a child ResourcePool.
  # @param name [String] Name of the child.
  # @return [VIM::ResourcePool]
  def find name
    _connection.searchIndex.FindChild(entity: self, name: name)
  end

  # Retrieve a descendant of this ResourcePool.
  # @param path [String] Path delimited by '/'.
  # @return [VIM::ResourcePool]
  def traverse path
    es = path.split('/').reject(&:empty?)
    es.inject(self) do |f, e|
      f.find(e) || return
    end
  end

  def resourcePoolSubTree fields = []
    self.class.resourcePoolSubTree [self], fields
  end

  def self.resourcePoolSubTree objs, fields = []
    fields = (fields + ['name', 'resourcePool']).uniq
    filterSpec = RbVmomi::VIM.PropertyFilterSpec(
      objectSet: objs.map do |obj|
        RbVmomi::VIM.ObjectSpec(
          obj: obj,
          selectSet: [
            RbVmomi::VIM.TraversalSpec(
              name: 'tsRP',
              type: 'ResourcePool',
              path: 'resourcePool',
              skip: false,
              selectSet: [
                RbVmomi::VIM.SelectionSpec(name: 'tsRP')
              ]
            )
          ]
        )
      end,
      propSet: [{
        pathSet: fields,
        type: 'ResourcePool'
      }]
    )

    propCollector = objs.first._connection.propertyCollector
    result = propCollector.RetrieveProperties(specSet: [filterSpec])

    Hash[result.map do |x|
      [x.obj, x.to_hash]
    end]
  end
end
