module TTY::Table::Renderer

def assert_border_class(border_class)
  return unless border_class
  unless border_class <= TTY::Table::Border
    raise TypeError,
          "#{border_class} should inherit from TTY::Table::Border"
  end
  unless border_class.characters
    raise NoImplementationError,
          "#{border_class} should implement def_border"
  end
end

def render(table, options = {}, &block)
  renderer = select(options[:renderer]).new(table, options)
  yield renderer if block_given?
  renderer.render
end

def render_with(border_class, table, options = {}, &block)
  assert_border_class(border_class)
  options[:border_class] = border_class if border_class
  render(table, options, &block)
end

def select(type)
  RENDERER_MAPPER[type || :basic]
end