import { MapboxResult } from "./mapboxService";

// Exporting MapboxResult from mapboxService to keep compatibility 
// but using Google Maps to fetch the data.

const GOOGLE_MAPS_KEY = import.meta.env.VITE_GOOGLE_MAPS_KEY || "";

/**
 * Busca endereços e locais usando a API de Geocoding do Google
 */
export async function searchGoogleLocation(query: string, country: string = "br"): Promise<MapboxResult[]> {
  if (!GOOGLE_MAPS_KEY || GOOGLE_MAPS_KEY.includes("YOUR")) {
    console.warn("⚠️ Google Maps Token não configurado em .env.local");
    return [];
  }

  try {
    const encodedQuery = encodeURIComponent(query);
    const url = `https://maps.googleapis.com/maps/api/geocode/json?address=${encodedQuery}&components=country:${country}&language=pt-BR&key=${GOOGLE_MAPS_KEY}`;

    const response = await fetch(url);
    const data = await response.json();

    if (data.status !== "OK" || !data.results) {
      if (data.status !== "ZERO_RESULTS") {
        console.error("Google Maps API Error:", data.status, data.error_message);
      }
      return [];
    }

    return data.results.map((result: any) => {
      // Find components
      const getComponent = (type: string) => {
        const comp = result.address_components.find((c: any) => c.types.includes(type));
        return comp ? comp.long_name : "";
      };
      const getShortComponent = (type: string) => {
        const comp = result.address_components.find((c: any) => c.types.includes(type));
        return comp ? comp.short_name : "";
      };

      const street = getComponent("route");
      const number = getComponent("street_number");
      const city = getComponent("administrative_area_level_2") || getComponent("locality");
      const state = getShortComponent("administrative_area_level_1");
      const zip = getComponent("postal_code");

      // Verify if it's a POI by checking the types of the location
      const isPoi = result.types.includes("establishment") || result.types.includes("stadium") || result.types.includes("point_of_interest");
      
      let placeName = undefined;
      let finalStreet = street;

      if (isPoi) {
        // Obter o nome do estabelecimento do formatted_address (ex: "Allianz Parque, Av. Francisco Matarazzo...")
        placeName = result.address_components.find((c: any) => c.types.includes("establishment") || c.types.includes("point_of_interest"))?.long_name;
        if (!placeName && result.formatted_address) {
           placeName = result.formatted_address.split(",")[0];
        }
      }

      // Se a query não conseguiu resolver route/street, usa a formatação 
      if (!finalStreet) finalStreet = result.formatted_address;

      return {
        placeName,
        description: placeName ? `${placeName} - ${result.formatted_address}` : result.formatted_address,
        street: finalStreet,
        number,
        city,
        state,
        zip,
        lat: result.geometry.location.lat,
        lng: result.geometry.location.lng,
        mapLink: `https://www.google.com/maps/search/?api=1&query=${result.geometry.location.lat},${result.geometry.location.lng}`,
      };
    });
  } catch (error) {
    console.error("Erro ao buscar no Google Maps:", error);
    return [];
  }
}

/**
 * Busca reversa via Google Maps Geocoding
 */
export async function reverseGeocodeGoogle(lat: number, lng: number): Promise<MapboxResult | null> {
  if (!GOOGLE_MAPS_KEY) return null;

  try {
    const url = `https://maps.googleapis.com/maps/api/geocode/json?latlng=${lat},${lng}&language=pt-BR&key=${GOOGLE_MAPS_KEY}`;
    const response = await fetch(url);
    const data = await response.json();

    if (data.status === "OK" && data.results.length > 0) {
      const result = data.results[0];

      const getComponent = (type: string) => {
        const comp = result.address_components.find((c: any) => c.types.includes(type));
        return comp ? comp.long_name : "";
      };
      const getShortComponent = (type: string) => {
        const comp = result.address_components.find((c: any) => c.types.includes(type));
        return comp ? comp.short_name : "";
      };

      const street = getComponent("route") || result.formatted_address;
      const number = getComponent("street_number");
      const city = getComponent("administrative_area_level_2") || getComponent("locality");
      const state = getShortComponent("administrative_area_level_1");
      const zip = getComponent("postal_code");

      return {
        description: result.formatted_address,
        street,
        number,
        city,
        state,
        zip,
        lat,
        lng,
        mapLink: `https://www.google.com/maps/search/?api=1&query=${lat},${lng}`,
      };
    }
    return null;
  } catch (error) {
    console.error("Erro no reverse geocode do Google:", error);
    return null;
  }
}