pulibrary / orangelight / 0e37073d-109c-440c-949f-49d2aa86311b

class Orangelight::GuidedSearchFieldsComponent < Blacklight::Component

  def label_tag_default_for(key)

    params_key = params[key]

    if params_key.present?

      params_key

    elsif params['search_field'] == key || guided_context(key)

      params['q']

    else

      param_for_field key

    end

  end

  def advanced_key_value

    advanced_search_fields.map do |field|

      [field[1][:label], field[0]]

    end

  end

  def guided_field(field_num, default_val)

    search_field = params[:search_field]

    search_field_for_advanced_search = advanced_search_fields[search_field]

    return search_field_for_advanced_search.key || default_val if first_search_field_selector?(field_num) && no_advanced_search_fields_specified? && search_field && search_field_for_advanced_search

    params[field_num] || param_for_field(field_num) || default_val

  end

  def guided_context(key)

    search_field = params[:search_field]

    first_search_field?(key) &&

      search_field && advanced_search_fields[search_field]

  end

  def guided_radio(op_num, operator)

    op_num_from_params = params[op_num]

    if op_num_from_params

      op_num_from_params == operator

    else

      operator == 'AND'

    end

  end

  def advanced_search_fields

    blacklight_config.search_fields.select do |_key, value|

      include_in_advanced_search = value.include_in_advanced_search

      include_in_advanced_search || include_in_advanced_search.nil?

    end

  end

  def first_search_field_selector?(key)

    %i[clause_0_field].include? key

  end

  def no_advanced_search_fields_specified?

    %i[clause_0_field clause_1_field clause_2_field].none? do |key|

      params[key].present?

    end

  end

  def param_for_field(field_identifier)

    field_identifier_string = field_identifier.to_s

    return unless field_identifier_string.start_with? 'clause'

    components = field_identifier_string.split('_')

    params.dig(*components)

  end

  def first_search_field?(key)

    %i[q1 clause_0_query].include? key

  end

  delegate :blacklight_config, to: :helpers

end