import winston from "winston";

export default function ({
  service = "pubsub",
  postfix = "",
  level = "info",
} = {}) {
  return winston.createLogger({
    level,
    format: winston.format.combine(
      winston.format.colorize(),
      winston.format.simple()
    ),
    defaultMeta: { service: `${service}:${postfix}` },
    transports: [new winston.transports.Console()],
  });
}

//Gets logger's level from CLI input, defaults to 'info'
export function getLevel(num) {
  const [logLevel] = Object.entries(winston.config.npm.levels)
    .filter(([name, value]) => value === num)
    .shift() || ["info"];
  return logLevel;
}