class Array

# File lib/sentencify/sentencize.rb, line 4
def sentencize(options = {})
  assert_sentenciable options

  default_connectors = {
    image:                    false,
    limit:                    5,
    empty:                    'No element found',
    words_connector:          ', ',
    two_words_connector:      ' and ',
    last_word_connector:      ' and ',
    final_singular_connector: ' other',
    final_plural_connector:   ' others'
  }

  if defined?(I18n)
    i18n_connectors = I18n.translate(:sentencify, default: {})
    default_connectors.merge! i18n_connectors
  end

  options           = default_connectors.merge! options
  will_sentencized  = self.dup
  will_sentencized  = will_sentencized.map! { |o| o[options[:on]] } if options[:on] && !options[:image]

  case length
  when 0
    options[:empty]
  when 1
    will_sentencized[0]
  when 2
    "#{will_sentencized[0]}#{options[:two_words_connector]}#{will_sentencized[1]}"
  else
    if options[:limit] >= length
      "#{will_sentencized[0...-1].join(options[:words_connector])}#{options[:last_word_connector]}#{will_sentencized[-1]}"
    else
      nb_others = length - options[:limit]
      others    = (nb_others != 1) ? options[:final_plural_connector] : options[:final_singular_connector]
      "#{will_sentencized[0..options[:limit]-1].join(options[:words_connector])}#{options[:last_word_connector]}#{nb_others}#{others}"
    end
  end
end

# File lib/sentencify/sentencize.rb, line 47
def assert_sentenciable(options = {})
  options.assert_valid_keys(:on, :image, :limit, :empty, :words_connector, :two_words_connector, :last_word_connector, :final_singular_connector, :final_plural_connector)
end