const fs = require('fs')
const path = require('path')
const winston = require('winston')

const logDirectory = path.join(__dirname, '/log/')

// ensure log directory exists
if (!fs.existsSync(logDirectory)) {
  fs.mkdirSync(logDirectory)
}

let logger = winston.createLogger({
  level: process.env.NODE_ENV !== 'production' ? 'error' : 'debug',
  transports: [
    new winston.transports.File({
      level: 'info',
      filename: path.join(logDirectory, '/ircbot.log'),
      handleExceptions: true,
      json: true,
      maxsize: 5242880,
      maxFiles: 5,
      colorize: false,
      timestamp: true
    }),
    new winston.transports.Console({
      level: 'debug',
      handleExceptions: true,
      json: false,
      colorize: true,
      timestamp: true
    })
  ],
  exceptionHandlers: [
    new winston.transports.Console({
      json: false,
      timestamp: true
    }),
    new winston.transports.File({
      filename: logDirectory + '/exceptions.log',
      json: false
    })
  ],
  exitOnError: false
})

logger.stream = {
  write: function (message, encoding) {
    logger.info(message)
  }
}

module.exports = logger