# encoding: UTF-8

class TextNlp
  class Synonyms
   
    def initialize(synonyms = [])
      @synonyms = {}
      @expressions = Expressions.new
      synonyms.each do |synos|
        name = synos.shift
        register(name,synos)
      end
    end
    
    def register(name,synonyms)
      name.normalize!
      synonyms.each do |synonym|
        synonym.normalize!
        @expressions << synonym
        @synonyms[synonym] = name
      end
    end
    
    def transform(text)
      @expressions.expressionize(text).map { |expr| @synonyms.key?(expr) ? @synonyms[expr] : expr }.compact.join(' ')
    end
  
  end
end