asafschers/scoruby

# frozen_string_literal: true

module Scoruby
  module Predicates
    class SimpleSetPredicate
      IS_IN = 'isIn'

      attr_reader :field, :array

      def initialize(pred_xml)
        attributes = pred_xml.attributes
        @field     = attributes['field'].value.to_sym
        @array     = single_or_quoted_words(pred_xml.children[0].content)
        @operator  = attributes['booleanOperator'].value
      end

      def true?(features)
        @array.include? features[@field] if @operator == IS_IN
      end

      def missing?(features)
        !features.keys.include?(@field)
      end

      private

      def single_or_quoted_words(string)
        string.split(/\s(?=(?:[^"]|"[^"]*")*$)/)
              .reject(&:empty?)
              .map { |w| w.tr('"', '') }
      end
    end
  end
end