const timeConverter = (hoursAgo) => {
  const date = new Date();
  date.setTime(date.getTime() - (parseInt(hoursAgo) * 60 * 60 * 1000));
  
  return {
    indonesian: date.toLocaleString('id-ID', {
      timeZone: 'Asia/Jakarta'
    }),
    iso: date.toISOString()
  };
};

const parseRelativeTime = (relativeTimeString) => {
  const match = relativeTimeString.match(/(\d+)(hr|h|hours?|min|m|minutes?|d|days?)\s*ago/i);
  
  if (!match) {
    throw new Error('Invalid relative time format');
  }
  
  const value = parseInt(match[1]);
  const unit = match[2].toLowerCase();
  
  const date = new Date();
  
  switch (unit) {
    case 'hr':
    case 'h':
    case 'hour':
    case 'hours':
      date.setTime(date.getTime() - (value * 60 * 60 * 1000));
      break;
    case 'min':
    case 'm':
    case 'minute':
    case 'minutes':
      date.setTime(date.getTime() - (value * 60 * 1000));
      break;
    case 'd':
    case 'day':
    case 'days':
      date.setTime(date.getTime() - (value * 24 * 60 * 60 * 1000));
      break;
    default:
      throw new Error('Unsupported time unit');
  }
  
  return {
    indonesian: date.toLocaleString('id-ID', {
      timeZone: 'Asia/Jakarta'
    }),
    iso: date.toISOString(),
    timestamp: date.getTime()
  };
};


console.log('4 hours ago:', parseRelativeTime('4hr ago'));
console.log('30 minutes ago:', parseRelativeTime('30min ago'));
console.log('2 days ago:', parseRelativeTime('2d ago'));
console.log('Original timeConverter:', timeConverter('4'));