import winston from 'winston';

const TransportOptions = {
  maxsize: 20 * 1024 * 1024, // 20MB
  maxFiles: 14,
  tailable: true,
  format: winston.format.combine(winston.format.json()),
};

export const logger = winston.createLogger({
  level: 'info',
  format: winston.format.combine(
    winston.format.timestamp({
      format: 'YYYY-MM-DD HH:mm:ss.SSS',
    })
  ),
  transports: [
    new winston.transports.File({
      filename: 'logs/combined.log',
      ...TransportOptions,
    }),
  ],
  exceptionHandlers: [
    new winston.transports.File({
      filename: 'logs/exceptions.log',
      ...TransportOptions,
      handleExceptions: true,
    }),
  ],
  rejectionHandlers: [
    new winston.transports.File({
      filename: 'logs/rejections.log',
      ...TransportOptions,
    }),
  ],
});

if (process.env.NODE_ENV !== 'production') {
  logger.add(
    new winston.transports.Console({
      format: winston.format.combine(
        winston.format.colorize(),
        winston.format.simple(),
        winston.format.printf(
          (info) => `${info.level}: ${info.message}${info.stack ? `\n${info.stack}` : ''}`
        )
      ),
      handleExceptions: true,
    })
  );
}

export const httpLogger = winston.createLogger({
  level: 'http',
  transports: [
    new winston.transports.File({
      filename: 'logs/http.log',
      level: 'http',
      ...TransportOptions,
      format: winston.format.printf(({ message }) => JSON.stringify(message)),
    }),
  ],
});