const pino = require('pino')

const PinoLevelToSeverityLookup = {
  trace: 'DEBUG',
  debug: 'DEBUG',
  info: 'INFO',
  warn: 'WARNING',
  error: 'ERROR',
  fatal: 'CRITICAL',
};

const logger = defaultConfig =>
  pino({
    ...defaultConfig,
    messageKey: 'message',
    formatters: {
    level(label, number) {
      return {
        severity: PinoLevelToSeverityLookup[label] || PinoLevelToSeverityLookup['info'],
        level: number,
      }
    },},
    mixin: () => ({ name: 'custom-pino-instance' }),
  })

module.exports = {
  logger,
}