module SortedCountryHelper
  def all_country_options(selected = nil)
    quick_options = options_for_select(quick_list, selected: selected)

    # no double select
    selected = quick_list.map(&:second).include?(selected) ? '' : selected

    all_options = options_for_select([['---', '---']] + all_sorted_truncated,
                                     selected: selected, disabled: ['---'])
    quick_options + all_options
  end

  def quick_list
    [
      %w[Estonia EE],
      %w[Finland FI],
      %w[Latvia LV],
      %w[Lithuania LT],
      ['Russian Federation', 'RU'],
      %w[Sweden SE],
      ['United States', 'US'],
    ]
  end

  def all_sorted
    Country.all.sort_by(&:name)
  end

  def all_sorted_truncated
    all_sorted.map { |country| [country.name.truncate(26), country.alpha2] }
  end
end