mcp-codesentry/src/utils/logger.ts

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import winston from 'winston';
import path from 'path';
import { fileURLToPath } from 'url';
import { dirname } from 'path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

// Create logs directory if it doesn't exist
const _logsDir = path.join(__dirname, '../../logs');

const logLevel = process.env.LOG_LEVEL || 'info';

export const logger = winston.createLogger({
  level: logLevel,
  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: 'software-architect-mcp' },
  transports: [
    // Console transport with colorized output
    new winston.transports.Console({
      format: winston.format.combine(
        winston.format.colorize(),
        winston.format.simple()
      ),
    }),
  ],
});

// Add file transport if LOG_FILE_PATH is specified
if (process.env.LOG_FILE_PATH) {
  logger.add(
    new winston.transports.File({
      filename: process.env.LOG_FILE_PATH,
      maxsize: 5242880, // 5MB
      maxFiles: 5,
      format: winston.format.combine(
        winston.format.uncolorize(),
        winston.format.json()
      ),
    })
  );
}