const HolesailLogger = require('holesail-logger');
// Define LOG_LEVELS explicitly since they may not be accessible from the logger instance
const LOG_LEVELS = {
  DEBUG: 0,
  INFO: 1,
  WARN: 2,
  ERROR: 3
};
// Create a singleton instance of HolesailLogger with minLevel from .env
let logger;
try {
  logger = new HolesailLogger({
    enabled: true,
    prefix: 'P2NS',
    level: parseInt(process.env.LOG_LEVEL || 0)
  });
  // Test logger initialization
  logger.log({ type: LOG_LEVELS.INFO, msg: 'Logger initialized successfully' });
} catch (error) {
  console.error(`Failed to initialize HolesailLogger: ${error.message}`);
  // Fallback to console-based logging
  logger = {
    log: ({ type, msg }) => {
      const timestamp = new Date().toISOString();
      const levelStr = type === 0 ? 'DEBUG' : type === 1 ? 'INFO' : type === 2 ? 'WARN' : type === 3 ? 'ERROR' : 'UNKNOWN';
      const consoleMethod = type === 2 ? console.warn : type === 3 ? console.error : console.log;
      consoleMethod(`${timestamp} [P2NS] [${levelStr}] ${msg}`);
    }
  };
}
// Wrapper functions to support prefix parameter and correct log level
function logDebug(prefix, message) {
  logger.log({ type: LOG_LEVELS.DEBUG, msg: `[${prefix}] ${message}` });
}
function logInfo(prefix, message) {
  logger.log({ type: LOG_LEVELS.INFO, msg: `[${prefix}] ${message}` });
}
function logWarn(prefix, message) {
  logger.log({ type: LOG_LEVELS.WARN, msg: `[${prefix}] ${message}` });
}
function logError(prefix, message) {
  logger.log({ type: LOG_LEVELS.ERROR, msg: `[${prefix}] ${message}` });
}

/**
 * Update log level at runtime
 * @param {number} newLevel - New log level (0-3)
 */
function updateLogLevel(newLevel) {
  try {
    // Recreate logger with new level
    logger = new HolesailLogger({
      enabled: true,
      prefix: 'P2NS',
      level: newLevel
    });
    logger.log({ type: LOG_LEVELS.INFO, msg: `Log level updated to ${newLevel}` });
  } catch (error) {
    console.error(`Failed to update logger level: ${error.message}`);
    // Fallback logger
    logger = {
      log: ({ type, msg }) => {
        const timestamp = new Date().toISOString();
        const levelStr = type === 0 ? 'DEBUG' : type === 1 ? 'INFO' : type === 2 ? 'WARN' : type === 3 ? 'ERROR' : 'UNKNOWN';
        const consoleMethod = type === 2 ? console.warn : type === 3 ? console.error : console.log;
        if (type >= newLevel) {
          consoleMethod(`${timestamp} [P2NS] [${levelStr}] ${msg}`);
        }
      }
    };
  }
}

module.exports = { logDebug, logInfo, logWarn, logError, updateLogLevel };