import winston from 'winston';
import { env } from '../config/env';

const logFormat = winston.format.combine(
    winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
    winston.format.errors({ stack: true }),
    winston.format.json()
);

const consoleFormat = winston.format.combine(
    winston.format.colorize(),
    winston.format.timestamp({ format: 'HH:mm:ss' }),
    winston.format.printf(({ timestamp, level, message, ...meta }) => {
        const metaStr = Object.keys(meta).length ? JSON.stringify(meta) : '';
        return `${timestamp} [${level}]: ${message} ${metaStr}`;
    })
);

export const logger = winston.createLogger({
    level: env.NODE_ENV === 'development' ? 'debug' : 'info',
    format: logFormat,
    transports: [
        new winston.transports.Console({ format: consoleFormat }),
        new winston.transports.File({ filename: 'logs/error.log', level: 'error' }),
        new winston.transports.File({ filename: 'logs/combined.log' }),
    ],
});