module ApiValidator
  class Assertion

    attr_reader :value, :path, :type, :format
    def initialize(path, value, options = {})
      @path, @value, @type, @format = path, value, options.delete(:type), options.delete(:format)
    end

    def to_hash(options = {})
      _h = { :op => "test", :path => path, :value => stringified_value }
      _h.delete(:value) if type && value.nil?
      _h[:type] = "regexp" if Regexp === value
      _h[:type] = type if type
      _h[:format] = format if format
      _h
    end

    def stringified_value
      if Regexp === value
        regex = value.to_s.
          sub(%r|\(\?-mix:(.*)\)|) { $1 }.
          gsub("\\A", "^").
          gsub("\\Z", "$")
        "/#{regex}/"
      else
        value
      end
    end

  end
end