Winston Logger

import winston from "winston";
import morgan from "morgan";

const levels = {
  error: 0,
  warn: 1,
  info: 2,
  http: 3,
  debug: 4,
};

const level = () => {
  const env = process.env.NODE_ENV || "development";
  const isDevelopment = env === "development";
  return isDevelopment ? "debug" : "warn";
};

const colors = {
  error: "red",
  warn: "yellow",
  info: "green",
  http: "magenta",
  debug: "white",
};

winston.addColors(colors);

const format = winston.format.combine(
  winston.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss:ms" }),
  winston.format.colorize({ all: true }),
  winston.format.printf(
    (info) => `${info.timestamp} ${info.level}: ${info.message}`
  )
);

const transports = [
  new winston.transports.Console(),
  // Add File transport if needed for production
  // new winston.transports.File({
  //   filename: 'logs/error.log',
  //   level: 'error',
  // }),
  // new winston.transports.File({ filename: 'logs/all.log' }),
];

export const logger = winston.createLogger({
  level: level(),
  levels,
  format,
  transports,
});

export const apiLogger = morgan(
  ":method :url :status :res[content-length] - :response-time ms",
  {
    stream: {
      write: (message) => logger.http(message.trim()),
    },
  }
);