logger.js

const pino = require('pino')
const path = require('path')
const {
  LOG_LEVEL,
  ENABLE_LOGGING,
  MAX_LOGS,
  LOGGER_VERBOSE,
} = require('@src/config')

const levels = {
  crit: 60,
  error: 50,
  warn: 40,
  info: 20,
}

const rotatingLogStream = require('file-stream-rotator').getStream({
  filename: path.join(__dirname, '/logs/app-%DATE%'),
  frequency: 'daily',
  extension: '.log',
  max_logs: MAX_LOGS,
  date_format: 'YYYYMMDD',
  verbose: LOGGER_VERBOSE,
})

const streams = Object.keys(levels).map((level) => {
  return {
    level,
    stream: rotatingLogStream,
  }
})

const logger = pino(
  {
    level: LOG_LEVEL,
    customLevels: levels,
    useOnlyCustomLevels: true,
    formatters: {
      level: (label) => {
        return { level: label }
      },
    },
    enabled: ENABLE_LOGGING,
  },
  pino.multistream(streams, { levels, dedupe: true })
)

const logs = (level, methodName, message) => {
  logger[level](`${methodName} - ${message}`)
}

module.exports = { logs }