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

const logsDir = path.join(process.env.DATA_PATH || './data', 'logs');
if (!fs.existsSync(logsDir)) {
  fs.mkdirSync(logsDir, { recursive: true });
}

const logger = {
  info: (message, meta = {}) => {
    const logEntry = {
      timestamp: new Date().toISOString(),
      level: 'info',
      message,
      ...meta
    };
    console.log(JSON.stringify(logEntry));
  },

  error: (message, error = null, meta = {}) => {
    const logEntry = {
      timestamp: new Date().toISOString(),
      level: 'error',
      message,
      error: error ? { message: error.message, stack: error.stack } : null,
      ...meta
    };
    console.error(JSON.stringify(logEntry));
  },

  warn: (message, meta = {}) => {
    const logEntry = {
      timestamp: new Date().toISOString(),
      level: 'warn',
      message,
      ...meta
    };
    console.warn(JSON.stringify(logEntry));
  }
};

module.exports = logger;