import { createLogger, format, transports } from 'winston';

const { combine, timestamp, printf, colorize } = format;

// Define custom log format
const logFormat = printf(({ level, message, timestamp }) => {
    return `[${timestamp}] ${level}: ${message}`;
});

//create logger
const logger = createLogger({
    level: process.env.NODE_ENV === 'production' ? 'info' : 'debug',
    format: combine(
        timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
        colorize(),
        logFormat
    ),
    transports: [
        new transports.Console(),
        new transports.File({ filename: 'logs/calmerge.log' })
    ]
});

export default logger;