class StatelyDB::Error

def self.from(error)
  return error if error.is_a?(StatelyDB::Error)
  if error.is_a?(GRPC::BadStatus)
    status = error.to_rpc_status
    unless status.nil? || status.details.empty?
      raw_detail = status.details[0]
      if raw_detail.type_url == "type.googleapis.com/stately.errors.StatelyErrorDetails"
        error_details = Stately::Errors::StatelyErrorDetails.decode(raw_detail.value)
        upstream_cause = error_details.upstream_cause.empty? ? nil : StandardError.new(error_details.upstream_cause) # rubocop:disable Metrics/BlockNesting
        return new(error_details.message, code: error.code, stately_code: error_details.stately_code,
                                          cause: upstream_cause)
      end
    end
  end
  new(error.message, code: GRPC::Core::StatusCodes::UNKNOWN, stately_code: "Unknown", cause: error)
end