/**
 * Placeholder - will be extracted from frontend/src/hooks/
 */

import { useQuery } from '@tanstack/react-query';

interface WikidataEntity {
  id: string;
  label: string;
  description?: string;
  claims: Record<string, unknown>;
}

interface WikidataOptions {
  language?: string;
  enabled?: boolean;
}

/**
 * Hook for fetching Wikidata entity data
 */
export function useWikidata(entityId: string, options: WikidataOptions = {}) {
  const { language = 'en', enabled = true } = options;

  return useQuery({
    queryKey: ['wikidata', entityId, language],
    queryFn: async (): Promise<WikidataEntity | null> => {
      if (!entityId) return null;

      const response = await fetch(
        `https://www.wikidata.org/wiki/Special:EntityData/${entityId}.json`
      );

      if (!response.ok) {
        throw new Error(`Wikidata fetch failed: ${response.statusText}`);
      }

      const data = await response.json();
      const entity = data.entities[entityId];

      return {
        id: entity.id,
        label: entity.labels?.[language]?.value || entity.id,
        description: entity.descriptions?.[language]?.value,
        claims: entity.claims || {},
      };
    },
    enabled: enabled && !!entityId,
    staleTime: 1000 * 60 * 60 * 24, // Cache for 24 hours
  });
}