const winston = require('winston');
const path = require('path');
const fs = require('fs');
const paths = require('./paths');

const logDir = path.join(paths.getBasePath(), 'logs');

if (!fs.existsSync(logDir)) {
  fs.mkdirSync(logDir, { recursive: true });
}

const baseLogger = winston.createLogger({
  level: process.env.LOG_LEVEL || 'info',
  format: winston.format.combine(
    winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
    winston.format.errors({ stack: true }),
    winston.format.splat(),
    winston.format.json()
  ),
  defaultMeta: { service: 'remote-screen' },
  transports: [
    new winston.transports.File({
      filename: path.join(logDir, 'error.log'),
      level: 'error'
    }),
    new winston.transports.File({
      filename: path.join(logDir, 'combined.log')
    })
  ]
});

if (process.env.NODE_ENV !== 'production' && !process.pkg) {
  baseLogger.add(new winston.transports.Console({
    format: winston.format.combine(
      winston.format.colorize(),
      winston.format.simple()
    )
  }));
}

function createLogger(moduleName) {
  return baseLogger.child({ module: moduleName });
}

module.exports = baseLogger;
module.exports.createLogger = createLogger;