# frozen_string_literal: true

module ExportsHelper

  PAGE_MARGINS = {
    top: "5",
    bottom: "10",
    left: "12",
    right: "12",
  }

  def font_face
    @formatting[:font_face].presence || "Arial, Helvetica, Sans-Serif"
  end

  def font_size
    @formatting[:font_size].presence || "12"
  end

  def margin_top
    get_margin_value_for_side(:top)
  end

  def margin_bottom
    get_margin_value_for_side(:bottom)
  end

  def margin_left
    get_margin_value_for_side(:left)
  end

  def margin_right
    get_margin_value_for_side(:right)
  end

  def plan_attribution(attribution)
    attribution = Array(attribution)
    prefix = attribution.many? ? _("Creators:") : _("Creator:")
    "<strong>#{prefix}</strong> #{attribution.join(', ')}"
  end

  private

  def get_margin_value_for_side(side)
    side = side.to_sym
    if @formatting.dig(:margin, side).is_a?(Integer)
      @formatting[:margin][side] * 4
    else
      @formatting.dig(:margin, side).presence || PAGE_MARGINS[side]
    end
  end

end