module FlixCloud
  module Extensions
    # Both methods ripped directly out of rails
    module Hash
      def deep_merge(other_hash)
        self.merge(other_hash) do |key, oldval, newval|
          oldval = oldval.to_hash if oldval.respond_to?(:to_hash)
          newval = newval.to_hash if newval.respond_to?(:to_hash)
          oldval.class.to_s == 'Hash' && newval.class.to_s == 'Hash' ? oldval.deep_merge(newval) : newval
        end
      end

      # Returns a new hash with +self+ and +other_hash+ merged recursively.
      # Modifies the receiver in place.
      def deep_merge!(other_hash)
        replace(deep_merge(other_hash))
      end
    end
  end
end

Hash.send(:include, FlixCloud::Extensions::Hash) unless Hash.instance_methods.include?('deep_merge')