class Kameleoon::Configuration::CustomDataInfo

def self.mapping_identifier?(custom_data_info, custom_data)
  !custom_data_info.nil? && (custom_data.id == custom_data_info.mapping_identifier_index) && \
    !(custom_data.values.empty? || custom_data.values[0].empty?)
end

def initialize(hashes)
  @local_only = Set[]
  @visitor_scope = Set[]
  unless hashes.nil?
    for hash in hashes
      index = hash['index']
      @local_only.add(index) if hash['localOnly']
      @visitor_scope.add(index) if hash['scope'] == SCOPE_VISITOR
      if hash['isMappingIdentifier']
        unless @mapping_identifier_index.nil?
          Logging::KameleoonLogger.warning('More than one mapping identifier is set. Undefined behavior ' \
                                    'may occur on cross-device reconciliation.')
        end
        @mapping_identifier_index = index
      end
    end
  end
end

def local_only?(index)
  @local_only.include?(index)
end

def mapping_identifier?(index)
  index == @mapping_identifier_index
end

def visitor_scope?(index)
  @visitor_scope.include?(index)
end