desc "knows", I18n.t("scripts.knows")
respond(/knows/i) do
  say KnownFormmater.new(know_how).format
end

class KnownFormmater
  def initialize(actions)
    @actions = actions
    @max_size = @actions.keys.map(&:length).max
  end

  def format
    @actions.inject("```\n") { |_message, command|
      _message << format_command(command) + "\n"
    } + "```"
  end

  private

  def name(command_name)
    pad = @max_size - command_name.length
    (" " * pad) + command_name
  end

  def format_command(command)
    message = name command.first
    message << ": #{command.last}" if command.last
    message
  end
end