module PackagesHelper

  # Return a query of all screenshots that the current user may see
  # Consists of:
  # - approved (public) screenshots
  # - screenshots uploaded by the user
  # - all screenshots if the user is an admin
  def screenshots_visible_to_user(package)
    if user_signed_in? and current_user.is_admin?
      # User is an admin and can view all screenshots
      package.screenshots
    # TODO: User logins and assigned screenshots will come in a later version
    # elsif user_signed_in?
    #   package.screenshots.where(id: (current_user.screenshots.select(:id))) | \
    #   package.screenshots.where(approved: true).order('created_at DESC')
    else
      package.screenshots.where(uploaderhash: session.id.to_s) | \
      package.screenshots.where(approved: true).order('created_at DESC')
    end
  end

  def screenshot_uploaded_by_current_user?(screenshot)
    screenshot.uploaderhash == session.id.to_s
  end

  # Return the description and/or the version of the package
  def screenshot_caption(screenshot)
    str = []
    str << screenshot.description if screenshot.description.present?
    str << "#{screenshot.package.name} version #{screenshot.version}" if screenshot.version.present?
    str << "uploaded #{time_ago_in_words(screenshot.created_at)} ago"
    str.join(' ∙ ')
  end


  # Show filled/empty star icons from FontAwesome
  # depending on the rating (1-5)
  # def star_rating(rating)
  #   filled_stars = fa_icon('star') * rating
  #   empty_stars = fa_icon('star-o') * (5-rating)
  #   (filled_stars+empty_stars).html_safe
  # end
end