"use client";

import { useCallback, useState } from "react";
import {
  APIProvider,
  Map,
  AdvancedMarker,
  InfoWindow,
} from "@vis.gl/react-google-maps";
import type { Restaurant } from "@/lib/api";

const SEOUL_CENTER = { lat: 37.5665, lng: 126.978 };
const API_KEY = process.env.NEXT_PUBLIC_GOOGLE_MAPS_API_KEY || "";

interface MapViewProps {
  restaurants: Restaurant[];
  onSelectRestaurant?: (r: Restaurant) => void;
}

export default function MapView({ restaurants, onSelectRestaurant }: MapViewProps) {
  const [selected, setSelected] = useState<Restaurant | null>(null);

  const handleMarkerClick = useCallback(
    (r: Restaurant) => {
      setSelected(r);
      onSelectRestaurant?.(r);
    },
    [onSelectRestaurant]
  );

  return (
    <APIProvider apiKey={API_KEY}>
      <Map
        defaultCenter={SEOUL_CENTER}
        defaultZoom={12}
        mapId="tasteby-map"
        className="h-full w-full"
      >
        {restaurants.map((r) => (
          <AdvancedMarker
            key={r.id}
            position={{ lat: r.latitude, lng: r.longitude }}
            onClick={() => handleMarkerClick(r)}
          />
        ))}

        {selected && (
          <InfoWindow
            position={{ lat: selected.latitude, lng: selected.longitude }}
            onCloseClick={() => setSelected(null)}
          >
            <div className="max-w-xs p-1">
              <h3 className="font-bold text-base">{selected.name}</h3>
              {selected.cuisine_type && (
                <p className="text-sm text-gray-600">{selected.cuisine_type}</p>
              )}
              {selected.address && (
                <p className="text-xs text-gray-500 mt-1">{selected.address}</p>
              )}
              {selected.price_range && (
                <p className="text-xs text-gray-500">{selected.price_range}</p>
              )}
              <button
                onClick={() => onSelectRestaurant?.(selected)}
                className="mt-2 text-sm text-blue-600 hover:underline"
              >
                상세 보기
              </button>
            </div>
          </InfoWindow>
        )}
      </Map>
    </APIProvider>
  );
}