module Fog
  module VcloudDirector
    class Compute
      class Real
        # Gets capabilities for the VM identified by id.
        #
        # @param [String] id Object identifier of the VM.
        # @return [Excon::Response]
        #   * body<~Hash>:
        #    * :href<~String> - The URI of the entity.
        #    * :type<~String> - The MIME type of the entity.
        #    * :MemoryHotAddEnabled<~String> - True if the virtual machine
        #      supports addition of memory while powered on.
        #    * :CpuHotAddEnabled<~String> - True if the virtual machine
        #      supports addition of virtual CPUs while powered on.
        #
        # @see http://pubs.vmware.com/vcd-51/topic/com.vmware.vcloud.api.reference.doc_51/doc/operations/GET-VmCapabilities.html
        def get_vm_capabilities(id)
          request(
            :expects    => 200,
            :idempotent => true,
            :method     => 'GET',
            :parser     => Fog::ToHashDocument.new,
            :path       => "vApp/#{id}/vmCapabilities"
          )
        end
      end

      class Mock

        def get_vm_capabilities(id)

          type = 'application/vnd.vmware.vcloud.vmCapabilitiesSection+xml'

          unless vm = data[:vms][id]
            raise Fog::VcloudDirector::Compute::Forbidden.new(
              'This operation is denied.'
            )
          end

          Excon::Response.new(
            :status => 200,
            :headers => {'Content-Type' => "#{type};version=#{api_version}"},
            :body => get_vm_capabilities_section_body(id, vm)
          )

        end

        def get_vm_capabilities_section_body(id, vm)
          {
            :type => "application/vnd.vmware.vcloud.vmCapabilitiesSection+xml",
            :href => make_href("vApp/#{id}/vmCapabilities/"),
            :MemoryHotAddEnabled => "false",
            :CpuHotAddEnabled => "false",
          }
        end

      end
    end
  end
end
