= simple_form_for [patient, training_session],
                  as: :training_session,
                  html: { autocomplete: "off" },
                  wrapper: "horizontal_form" do |f|

  / This hidden input exists only so that posted form params have 'training_session' at the top
  / eg params[:training_session][:document], otherwise we just get params[:document] and that would
  / confound our .permit/.require expectations in the controller.
  = f.input :ignore_me, as: :hidden
  = f.association :training_site,
      collection: Renalware::PD::TrainingSite.ordered,
      wrapper: :horizontal_small

  = f.association :training_type,
      collection: Renalware::PD::TrainingType.ordered,
      wrapper: :horizontal_medium

  = f.simple_fields_for :document, training_session.document  do |fdoc|
    = fdoc.input :started_on, as: :date_picker, wrapper: :horizontal_datepicker
    = fdoc.input :trainer, wrapper: :horizontal_medium
    = fdoc.input :training_duration,
            collection: Renalware::PD::TrainingDurationPresenter.dropdown_options,
            wrapper: :horizontal_small
    = fdoc.input :outcome, as: :inline_radio_buttons, wrapper: :horizontal_medium
    = fdoc.input :training_comments, as: :text, input_html: { rows: 5 }

  = f.submit "Save", class: "button"
  span= " or "
  = link_to "cancel", patient_pd_dashboard_path(patient)