class EditableChamp::EditableChampComponent < ApplicationComponent
  def initialize(form:, champ:, seen_at: nil)
    @form, @champ, @seen_at = form, champ, seen_at
    @attribute = :value
  end

  def champ_component
    @champ_component ||= component_class.new(form: @form, champ: @champ, seen_at: @seen_at)
  end

  private

  def has_label?(champ)
    types_without_label = [
      TypeDeChamp.type_champs.fetch(:header_section),
      TypeDeChamp.type_champs.fetch(:explication),
      TypeDeChamp.type_champs.fetch(:repetition),
      TypeDeChamp.type_champs.fetch(:linked_drop_down_list)
    ]
    !types_without_label.include?(@champ.type_champ)
  end

  def component_class
    "EditableChamp::#{@champ.type_champ.camelcase}Component".constantize
  end

  def html_options
    {
      class: class_names(
        {
          'editable-champ': true,
          "editable-champ-#{@champ.type_champ}": true,
          champ_component.dsfr_group_classname => true
        }.merge(champ_component.input_group_error_class_names)
      ),
      data: { controller: stimulus_controller, **data_dependent_conditions, **stimulus_values }
    }.deep_merge(champ_component.fieldset_error_opts)
  end

  def fieldset_element_attributes
    {
      id: @champ.input_group_id,
      "hidden": !@champ.visible?
    }
  end

  def stimulus_values
    if @champ.fetch_external_data_pending?
      { turbo_poll_url_value: }
    else
      {}
    end
  end

  def turbo_poll_url_value
    if @champ.private?
      if Champ.update_by_stable_id?
        annotation_instructeur_dossier_path(@champ.dossier.procedure, @champ.dossier, @champ.stable_id, row_id: @champ.row_id, with_public_id: true)
      else
        annotation_instructeur_dossier_path(@champ.dossier.procedure, @champ.dossier, @champ)
      end
    else
      if Champ.update_by_stable_id?
        champ_dossier_path(@champ.dossier, @champ.stable_id, row_id: @champ.row_id, with_public_id: true)
      else
        champ_dossier_path(@champ.dossier, @champ)
      end
    end
  end

  def stimulus_controller
    if autosave_enabled?
      # This is an editable champ. Lets find what controllers it might need.
      controllers = ['autosave']

      if @champ.fetch_external_data_pending?
        controllers << 'turbo-poll'
      end

      controllers.join(' ')
    end
  end

  def data_dependent_conditions
    if @champ.dependent_conditions?
      { "dependent-conditions": "true" }
    else
      {}
    end
  end

  def autosave_enabled?
    !@champ.carte? && !@champ.block? && @champ.fillable?
  end
end