# ErrorMessagesLocalizedFor
module ActionView
  module Helpers
    module ActiveRecordHelper
      def error_messages_localized_for(*params)
        options = params.last.is_a?(Hash) ? params.pop.symbolize_keys : {}
        objects = params.collect {|object_name| instance_variable_get("@#{object_name}") }.compact
        count   = objects.inject(0) {|sum, object| sum + object.errors.count }
        unless count.zero?
          html = {}
          [:id, :class].each do |key|
            if options.include?(key)
              value = options[key]
              html[key] = value unless value.blank?
            else
              html[key] = 'errorExplanation'
            end
          end
          header_message = pluralize(count,_('error')) + " " +  _('prohibitedthis') + " " + _((options[:object_name] || params.first).to_s.gsub('_', ' ')) + " " + _('fromsaving')
          error_messages = objects.map {|object| object.errors.full_messages_localized.map {|field| content_tag(:li,_(field[0].downcase) + " " + _(field[1]))}}

          content_tag(:div,
            content_tag(options[:header_tag] || :h2, header_message) <<
              content_tag(:p, _('fieldproblems')) <<
              content_tag(:ul, error_messages),
            html
          )
        else
          ''
        end
      end
    end
  end
end

module ActiveRecord
  class Errors
    def full_messages_localized
      full_messages = []
      i=0
      @errors.each_key do |attr|
        @errors[attr].each do |msg|
          i+=1
          next if msg.nil?

          if attr == "base"
            full_messages << [i,msg]
          else
            full_messages << [@base.class.human_attribute_name(attr).to_s,msg]
          end
        end
      end
      full_messages
    end
  end
end