// A ?share=TOKEN URL shows a read-only view of someone else's project. No
// login is needed, so this runs independently of auth.
import { useEffect, useState } from 'react';
import { getSharedProject } from '../syncService.js';

export function useSharedView() {
  const [token] = useState(() => new URLSearchParams(window.location.search).get('share'));
  const [project, setProject] = useState(null);
  const [error, setError] = useState('');

  useEffect(() => {
    if (!token) return;
    getSharedProject(token).then((result) => {
      if (result.ok) setProject(result.data);
      else setError(result.error ?? 'This share link is invalid or has been revoked.');
    });
  }, [token]);

  return { token, project, error };
}