module Panda
  module Core
    module Media
      extend ActiveSupport::Concern

      included do
        has_one_attached :featured_image
        has_many_attached :attachments

        validates :featured_image, content_type: [:png, :jpg, :jpeg],
          size: {less_than: 5.megabytes}
      end

      def image_url(variant: nil)
        return nil unless featured_image.attached?

        case variant
        when :thumbnail
          featured_image.variant(resize_to_fill: [200, 200]).processed
        when :medium
          featured_image.variant(resize_to_fill: [400, 400]).processed
        else
          featured_image
        end
      end
    end
  end
end