#encoding: utf-8
# Infelizmente não é possível colocar todas as regras...
#
# http://pt.wikipedia.org/wiki/Plural e
# http://pt.wikipedia.org/wiki/Singular
module Inflector
  ActiveSupport::Inflector.inflections do |inflect|
    inflect.clear

    inflect.plural(/$/,  's')
    inflect.plural(/(s)$/i,  '\1')
    inflect.plural(/^(paí)s$/i, '\1ses')
    inflect.plural(/(z|r)$/i, '\1es')
    inflect.plural(/al$/i,  'ais')
    inflect.plural(/el$/i,  'eis')
    inflect.plural(/ol$/i,  'ois')
    inflect.plural(/ul$/i,  'uis')
    inflect.plural(/([^aeou])il$/i,  '\1is')
    inflect.plural(/m$/i,   'ns')
    inflect.plural(/^(japon|escoc|ingl|dinamarqu|fregu|portugu)ês$/i,  '\1eses')
    inflect.plural(/^(|g)ás$/i,  '\1ases')
    inflect.plural(/ão$/i,  'ões')
    inflect.plural(/^(irm|m)ão$/i,  '\1ãos')
    inflect.plural(/^(alem|c|p)ão$/i,  '\1ães')

    # Sem acentos...
    inflect.plural(/ao$/i,  'oes')
    inflect.plural(/^(irm|m)ao$/i,  '\1aos')
    inflect.plural(/^(alem|c|p)ao$/i,  '\1aes')

    inflect.singular(/([^ê])s$/i, '\1')
    inflect.singular(/^(á|gá|paí)s$/i, '\1s')
    inflect.singular(/(r|z)es$/i, '\1')
    inflect.singular(/([^p])ais$/i, '\1al')
    inflect.singular(/eis$/i, 'el')
    inflect.singular(/ois$/i, 'ol')
    inflect.singular(/uis$/i, 'ul')
    inflect.singular(/(r|t|f|v)is$/i, '\1il')
    inflect.singular(/ns$/i, 'm')
    inflect.singular(/sses$/i, 'sse')
    inflect.singular(/^(.*[^s]s)es$/i, '\1')
    inflect.singular(/ães$/i, 'ão')
    inflect.singular(/aes$/i, 'ao')
    inflect.singular(/ãos$/i, 'ão')
    inflect.singular(/aos$/i, 'ao')
    inflect.singular(/ões$/i, 'ão')
    inflect.singular(/oes$/i, 'ao')
    inflect.singular(/(japon|escoc|ingl|dinamarqu|fregu|portugu)eses$/i,  '\1ês')
    inflect.singular(/^(g|)ases$/i,  '\1ás')

    # #irregulares
#    irregulares = {'país' => 'paises'}
#
#
#    irregulares.each do |key, value|
#      inflect.plural(/^#{key.to_s}$/, value)
#      inflect.singular(/^#{value}$/, key.to_s)
#    end

    inflect.uncountable %w( tórax tênis ônibus lápis fênix )
  end
end