import { frenchWordListCatalog } from "./index.js";
import type { PolyglotWordListItem } from "@polyglot-bundles/word-list-base";

/** A word entry with a guaranteed stable id */
export type VocabEntry = PolyglotWordListItem & { id: string };

/** Look up a word by its canonical id across all sets in this catalog. */
export async function getVocabById(id: string): Promise<VocabEntry | undefined> {
  for (const descriptor of frenchWordListCatalog.descriptors) {
    const set = await descriptor.load();
    const word = set.words.find((w) => w.id === id);
    if (word?.id) return word as VocabEntry;
  }
  return undefined;
}

/** Return all unique vocab entries across all sets, deduped by id. */
export async function getAllVocabEntries(): Promise<VocabEntry[]> {
  const seen = new Set<string>();
  const entries: VocabEntry[] = [];
  for (const descriptor of frenchWordListCatalog.descriptors) {
    const set = await descriptor.load();
    for (const word of set.words) {
      if (word.id && !seen.has(word.id)) {
        seen.add(word.id);
        entries.push(word as VocabEntry);
      }
    }
  }
  return entries;
}