import * as winston from 'winston';
import path from 'path';

const hformat = winston.format.printf(
  ({ level, label, message, timestamp, ...metadata }) => {
    let msg = `${timestamp} [${level}]${
      label ? `[${label}]` : ''
    }: ${message} `;
    if (Object.keys(metadata).length > 0) {
      msg += JSON.stringify(metadata);
    }
    return msg;
  }
);

const logger = winston.createLogger({
  level: process.env.LOG_LEVEL || 'debug',
  format: winston.format.combine(
    winston.format.splat(),
    winston.format.timestamp(),
    hformat
  ),
  transports: [
    new winston.transports.Console({
      format: winston.format.combine(
        winston.format.colorize(),
        winston.format.splat(),
        winston.format.timestamp(),
        hformat
      ),
    }),
    new winston.transports.File({
      filename: path.join(__dirname, '../config/logs/overseerr.log'),
      maxsize: 20971520,
      maxFiles: 6,
    }),
  ],
});

export default logger;