import type { PageRef } from '../pdf/pdfTypes';

export function getSelectedPagesInVisualOrder(
  pages: PageRef[],
  selectedPageIds: string[]
): PageRef[] {
  if (pages.length === 0 || selectedPageIds.length === 0) return [];

  const selectedSet = new Set(selectedPageIds);
  return pages.filter((page) => selectedSet.has(page.id));
}

export function createSelectionWorkspaceName(
  pdfName: string,
  selectedPageCount: number
): string {
  const baseName = pdfName.replace(/\.pdf$/i, '') || 'Untitled';
  const suffix =
    selectedPageCount === 1
      ? '1-page-selection'
      : `${selectedPageCount}-page-selection`;

  return `${baseName} - ${suffix}`;
}

export function createSelectionPdfName(
  pdfName: string,
  selectedPageCount: number
): string {
  return `${createSelectionWorkspaceName(pdfName, selectedPageCount)}.pdf`;
}