import { OramaClient } from "@oramacloud/client";

import { excerptFor, highlight, SEARCH_LIMIT } from "./types.ts";
import type { SearchFn } from "./types.ts";

interface OramaCloudRecord {
  url: string;
  title: string;
  description?: string;
  content?: string;
}

/**
 * Orama Cloud: the browser queries the hosted index directly with the public
 * endpoint + API key. Records are pushed at build time by the sync step.
 */
export const createSearch = (opts: {
  endpoint: string;
  apiKey: string;
}): SearchFn => {
  const client = new OramaClient({
    api_key: opts.apiKey,
    endpoint: opts.endpoint,
  });
  return async (query, options) => {
    const results = await client.search({
      limit: SEARCH_LIMIT,
      term: query,
      // The sync carries `locale` on every record so an i18n site can scope
      // hosted results to the active language.
      ...(options?.locale && { where: { locale: options.locale } }),
    });
    const hits = (results?.hits ?? []).map((hit) => {
      const doc: OramaCloudRecord = hit.document;
      return {
        content: doc.content ?? "",
        excerpt: highlight(
          excerptFor(doc.description ?? "", doc.content ?? "", query),
          query
        ),
        title: highlight(doc.title, query),
        url: doc.url,
      };
    });
    return { hits, sections: [] };
  };
};