dazzl-tv/mongoid-enum

# frozen_string_literal: true

module Mongoid
  module Enum
    module Dazzl
      module Validators
        class MultipleValidator < ActiveModel::EachValidator
          def validate_each(record, attribute, values)
            values = Array(values)

            if options[:allow_nil]
              add_error_message record, attribute \
                unless all_included?(values, options[:in])
            elsif values.empty? || !all_included?(values, options[:in])
              add_error_message record, attribute
            end
          end

          def add_error_message(record, attribute)
            record.errors[attribute] << (
              options[:message] ||
              "is not in #{options[:in].join ', '}"
            )
          end

          def all_included?(values, allowed)
            (values - allowed).empty?
          end

          def self.kind
            :custom
          end
        end
      end
    end
  end
end