module Fog
  module Compute
    class Google

      class Mock

        def list_servers(zone_name)
          zone = self.data[:zones][zone_name]
          raise Fog::Errors::Error.new("Invalid value for field 'zone': '#{zone_name}'.  Unknown zone.") if zone.nil?
          servers = self.data[:servers].values.select{|s| s["zone"] == zone["selfLink"]}
          build_response(:body => {
            "kind" => "compute#instanceList",
            "selfLink" => "https://www.googleapis.com/compute/v1beta15/projects/#{@project}/zones/#{zone_name}/instances",
            "id" => "projects/#{@project}/zones/#{zone_name}/instances",
            "items" => servers
          })
        end

      end

      class Real

        def list_servers(zone_name)
          api_method = @compute.instances.list
          parameters = {
            'project' => @project,
            'zone' => zone_name,
          }

          result = self.build_result(api_method, parameters)
          response = self.build_response(result)
        end

      end

    end
  end
end