################################################################################
# (C) Copyright 2016-2017 Hewlett Packard Enterprise Development LP
#
# 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.
################################################################################

require_relative '../oneview_resource'

Puppet::Type.type(:oneview_rack).provide :c7000, parent: Puppet::OneviewResource do
  desc 'Provider for OneView Rack using the C7000 variant of the OneView API'

  confine feature: :oneview
  confine true: login[:hardware_variant] == 'C7000'

  mk_resource_methods

  # Provider methods
  def exists?
    super([nil, :found, :absent])
  end

  def create
    super(:add)
  end

  def destroy
    racks = @resource_type.find_by(@client, @data)
    raise 'No racks matching the specified data were found' if racks.empty?
    racks.each do |rack|
      Puppet.notice "\n\n Removing rack named: #{rack['name']}, with uri: #{rack['uri']}\n"
      rack.remove
      @property_hash.clear
    end
  end

  def get_device_topology
    pretty get_single_resource_instance.get_device_topology
    true
  end

  def add_rack_resource
    raise 'A "rackMounts" attribute is required within data with the options of the resource to be added' unless @data['rackMounts']
    rack_resources = @data.delete('rackMounts')
    rack = get_single_resource_instance
    rack_resources.each do |new_resources|
      uri = get_mount_uri(new_resources)
      rack.add_rack_resource(uri, new_resources)
    end
    rack.update
    @property_hash[:data] = rack.data
    true
  end

  def remove_rack_resource
    raise 'A "rackMounts" attribute is required within data with the options of the resource to be removed' unless @data['rackMounts']
    rack_resources = @data.delete('rackMounts')
    rack = get_single_resource_instance
    rack_resources.each do |new_resources|
      uri = get_mount_uri(new_resources)
      rack.remove_rack_resource(uri)
    end
    rack.update
    @property_hash[:data] = rack.data
    true
  end

  def get_mount_uri(new_resource)
    uri = {}
    uri['uri'] = new_resource.delete('uri') if new_resource['uri']
    uri['uri'] = new_resource.delete('mountUri') if new_resource['mountUri']
    uri
  end
end
