require 'fog/collection'
require 'fog/vcloud/models/shared/server'

module Fog
  module Vcloud
    module Shared

      module Mock
        def servers(options = {})
          Fog::Vcloud::Shared::Servers.new(options.merge(:connection => self))
        end
      end

      module Real
        def servers(options = {})
          Fog::Vcloud::Shared::Servers.new(options.merge(:connection => self))
        end
      end

      class Servers < Fog::Collection

        model Fog::Vcloud::Shared::Server

        def all
          data = connection.get_vdc(vdc_id).body['ResourceEntities'].select do |entity|
            entity['type'] == 'application/vnd.vmware.vcloud.vApp+xml'
          end
          load(data)
        end

        def get(server_id)
          if server_id && server = connection.get_vapp(server_id).body
            new(server)
          elsif !server_id
            nil
          end
        rescue Excon::Errors::Forbidden
          nil
        end

        def vdc_id
          @vdc_id ||= connection.default_vdc_id
        end

        private

        def vdc_id=(new_vdc_id)
          @vdc_id = new_vdc_id
        end

      end

    end
  end
end