import type { ExportMode } from "./filename";

const KEY = "voiced.exportMode";

/** The last export mode this viewer used; searchable until one is chosen. A per-viewer convenience only. */
export function loadExportMode(): ExportMode {
  try {
    const v = localStorage.getItem(KEY);
    if (v === "searchable" || v === "flattened") return v;
  } catch {
    // Storage can be blocked or empty; the default is fine.
  }
  return "searchable";
}

export function saveExportMode(mode: ExportMode): void {
  try {
    localStorage.setItem(KEY, mode);
  } catch {
    // Not remembering is harmless.
  }
}

export const EXPORT_MODE_LABEL: Record<ExportMode, string> = {
  searchable: "Searchable PDF (copy-pasteable text)",
  flattened: "Flattened PDF (image only)",
};