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

export interface BtcMapPlace {
  id: number;
  lat: number;
  lon: number;
  icon: string;
  name: string;
  address?: string;
  opening_hours?: string;
  verified_at?: string;
  boosted_until?: string;
  website?: string;
  phone?: string;
  description?: string;
}

interface UseBtcMapPlacesOptions {
  lat: number;
  lon: number;
  radiusKm?: number;
  enabled?: boolean;
}

/**
 * Fetches Bitcoin-accepting places from BTC Map API within a radius
 */
export function useBtcMapPlaces({ lat, lon, radiusKm = 25, enabled = true }: UseBtcMapPlacesOptions) {
  return useQuery({
    queryKey: ['btcmap-places', lat.toFixed(2), lon.toFixed(2), radiusKm],
    queryFn: async () => {
      const fields = 'id,lat,lon,icon,name,address,opening_hours,verified_at,boosted_until,website,phone,description';
      const url = `https://api.btcmap.org/v4/places/search?lat=${lat}&lon=${lon}&radius_km=${radiusKm}&fields=${fields}`;
      
      console.log('[useBtcMapPlaces] Fetching:', url);
      
      const response = await fetch(url);
      
      if (!response.ok) {
        throw new Error(`BTC Map API error: ${response.status}`);
      }
      
      const places: BtcMapPlace[] = await response.json();
      console.log('[useBtcMapPlaces] Found', places.length, 'places');
      
      return places;
    },
    enabled: enabled && lat !== 0 && lon !== 0,
    staleTime: 5 * 60 * 1000, // 5 minutes
    gcTime: 30 * 60 * 1000, // 30 minutes cache
    refetchOnWindowFocus: false,
  });
}

/**
 * Get Material Icons URL for a BTC Map place icon
 */
export function getBtcMapIconUrl(icon: string): string {
  return `https://fonts.gstatic.com/s/i/short-term/release/materialsymbolsoutlined/${icon}/default/24px.svg`;
}

/**
 * Check if a place was recently verified (within last 6 months)
 */
export function isRecentlyVerified(verifiedAt?: string): boolean {
  if (!verifiedAt) return false;
  const sixMonthsAgo = new Date();
  sixMonthsAgo.setMonth(sixMonthsAgo.getMonth() - 6);
  return new Date(verifiedAt) > sixMonthsAgo;
}

/**
 * Check if a place is currently boosted
 */
export function isBoosted(boostedUntil?: string): boolean {
  if (!boostedUntil) return false;
  return new Date(boostedUntil) > new Date();
}