/** Browser-safe workspace path normalization shared by Portal and Vite client imports. */

/** Normalize workspace HTML paths so `demo.html` and `public/demo.html` match. */
export function normalizeWorkspaceRelativePath(relativePath) {
  const parts = String(relativePath ?? '')
    .replace(/^\/+/, '')
    .split('/')
    .filter((part) => part && part !== '.' && part !== '..');
  if (parts.length === 0) return '';
  if (parts[0].toLowerCase() === 'public') return parts.join('/');
  if (parts.length === 1 && parts[0].toLowerCase().endsWith('.html')) return `public/${parts[0]}`;
  return parts.join('/');
}

export function resolvePageWorkspaceRelativePath(snapshot) {
  if (!snapshot || typeof snapshot !== 'object') return null;
  return normalizeWorkspaceRelativePath(snapshot.relative_path) || null;
}

export function resolveAssetWorkspaceRelativePath({
  categoryCode = null,
  originalFilename = null,
  explicitPath = null,
} = {}) {
  const explicit = normalizeWorkspaceRelativePath(explicitPath);
  if (explicit) return explicit;
  const filename = String(originalFilename ?? '')
    .replace(/\\/g, '/')
    .replace(/^\/+/, '');
  if (!filename) return null;
  if (/^(?:public|oa)\//i.test(filename)) {
    return normalizeWorkspaceRelativePath(filename);
  }
  const category = String(categoryCode ?? '').trim();
  if (category === 'public' || category === 'oa') {
    return normalizeWorkspaceRelativePath(`${category}/${filename}`);
  }
  return null;
}