class SemanticLogger::Formatters::OpenTelemetry

def level
  hash[:level]       = log.level.to_s
  hash[:level_index] = severity_number(log.level_index)
end

def payload
  return unless log.payload.respond_to?(:empty?) && !log.payload.empty?
  hash[:payload] = log.payload.transform_keys!(&:to_s)
end

def severity_number(severity)
  case severity
  when :trace
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_TRACE
  when :debug
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_DEBUG
  when :info
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_INFO
  when :warn
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_WARN
  when :error
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_ERROR
  when :fatal
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_FATAL
  else
    ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_UNSPECIFIED
  end
end