const fs = require('fs');
const winston = require('winston');

// Create a logs directory if it doesn't exist
if (!fs.existsSync('logs')) {
    fs.mkdirSync('logs');
}

// Define custom log levels
const customLevels = {
    levels: {
        error: 0,
        warn: 1,
        info: 2
    },
    colors: {
        error: 'bold white redBG',
        warn: 'bold red',
        info: 'yellow'
    },
};

// Add colors to winston
winston.addColors(customLevels.colors);

// Configure winston logger
const logger = winston.createLogger({
    levels: customLevels.levels,
    format: winston.format.combine(
        winston.format.colorize(),
        winston.format.timestamp(),
        winston.format.printf(({ timestamp, level, message }) => {
            return `${timestamp} ${level}: ${message}`;
        })
    ),
    transports: [
        new winston.transports.Console(),
        new winston.transports.File({ filename: 'logs/app.log' })
    ]
});

const initializeLogging = () => {
    logger.info('Logging system initialized');
};

module.exports = { logger, initializeLogging };