import React from 'react';
import { usePresence } from '../hooks/usePresence';
import { useAuth } from '../context/AuthContext';

function PresenceBar() {
  const { isAuthenticated } = useAuth();
  const { viewers } = usePresence();

  if (!isAuthenticated) return null;

  const otherViewers = viewers.filter(v => v !== 'me');
  if (otherViewers.length === 0) return null;

  return (
    <div className="container mx-auto px-2 sm:px-4 pt-3">
      <div className="bg-white dark:bg-gray-800 rounded-lg shadow-sm border border-gray-200 dark:border-gray-700 px-4 py-2">
        <div className="flex items-center gap-3">
          <span className="text-xs text-gray-500 dark:text-gray-400 uppercase tracking-wider font-medium flex-shrink-0">
            who's here?
          </span>
          <div className="flex flex-wrap gap-1.5">
            {viewers.map((name, i) => (
              <span
                key={`${name}-${i}`}
                className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium ${
                  name === 'me'
                    ? 'bg-indigo-100 dark:bg-indigo-900/40 text-indigo-700 dark:text-indigo-300'
                    : 'bg-gray-100 dark:bg-gray-700 text-gray-700 dark:text-gray-300'
                }`}
              >
                {name}
              </span>
            ))}
          </div>
        </div>
      </div>
    </div>
  );
}

export default PresenceBar;