web/packages/design-system/lib/components/Map/InteractiveMap/index.tsx

"use client"

import { Map, type MapProps, useMap } from "@vis.gl/react-google-maps"
import { useEffect, useState } from "react"
import { useIntl } from "react-intl"

import { IconButton } from "../../IconButton"

import { HOTEL_PAGE, MAP_RESTRICTIONS } from "../mapConstants"

import { useZoomControls } from "@scandic-hotels/common/hooks/map/useZoomControls"

import { HotelListingMapContent } from "./HotelListingMapContent"
import PoiMapMarkers from "./PoiMapMarkers"

import styles from "./interactiveMap.module.css"

import { Lang } from "@scandic-hotels/common/constants/language"
import { HotelPin, MarkerInfo, PointOfInterest } from "../types"

export type InteractiveMapProps = {
  lang: Lang
  coordinates: {
    lat: number
    lng: number
  }
  activePoi?: string | null
  hotelPins?: HotelPin[]
  pointsOfInterest?: PointOfInterest[]
  markerInfo?: MarkerInfo
  mapId: string
  closeButton: React.ReactNode
  fitBounds?: boolean
  hoveredHotelPin?: string | null
  activeHotelPin?: string | null

  isUserLoggedIn: boolean
  onTilesLoaded?: () => void
  onActivePoiChange?: (poi: string | null) => void

  onClickHotel?: (hotelId: string) => void

  /**
   * Called when a hotel pin is hovered.
   * @param args when null, it means the hover has ended
   * @returns
   */
  onHoverHotelPin?: (
    args: { hotelName: string; hotelId: string } | null
  ) => void

  /**
   * Called when a hotel pin is activated.
   * @param args when null, it means nothing is active
   * @returns
   */
  onSetActiveHotelPin?: (
    args: { hotelName: string; hotelId: string } | null
  ) => void
}

export function InteractiveMap({
  lang,
  coordinates,
  pointsOfInterest,
  activePoi,
  hotelPins,
  mapId,
  closeButton,
  markerInfo,
  fitBounds = true,
  hoveredHotelPin,
  activeHotelPin,
  isUserLoggedIn,
  onClickHotel,
  onHoverHotelPin,
  onSetActiveHotelPin,
  onTilesLoaded,
  onActivePoiChange,
}: InteractiveMapProps) {
  const intl = useIntl()
  const map = useMap()
  const [hasInitializedBounds, setHasInitializedBounds] = useState(false)
  const { zoomIn, zoomOut, isMaxZoom, isMinZoom } = useZoomControls(HOTEL_PAGE)

  const mapOptions: MapProps = {
    defaultZoom: HOTEL_PAGE.DEFAULT_ZOOM,
    minZoom: HOTEL_PAGE.MIN_ZOOM,
    maxZoom: HOTEL_PAGE.MAX_ZOOM,
    defaultCenter: coordinates,
    disableDefaultUI: true,
    clickableIcons: false,
    mapId,
    gestureHandling: "greedy",
    restriction: MAP_RESTRICTIONS,
  }

  useEffect(() => {
    if (map && hotelPins?.length && !hasInitializedBounds) {
      if (fitBounds) {
        const bounds = new google.maps.LatLngBounds()
        hotelPins.forEach((marker) => {
          bounds.extend(marker.coordinates)
        })
        map.fitBounds(bounds, 100)
      }
      setHasInitializedBounds(true)
    }
  }, [map, fitBounds, hotelPins, hasInitializedBounds])

  return (
    <div className={styles.mapContainer}>
      <Map {...mapOptions} onTilesLoaded={onTilesLoaded}>
        {hotelPins && (
          <HotelListingMapContent
            lang={lang}
            isUserLoggedIn={isUserLoggedIn}
            hotelPins={hotelPins}
            setActiveHotel={onSetActiveHotelPin}
            setHoveredHotel={onHoverHotelPin}
            activeHotel={activeHotelPin}
            hoveredHotel={hoveredHotelPin}
            onClickHotel={onClickHotel}
          />
        )}
        {pointsOfInterest && markerInfo && (
          <PoiMapMarkers
            coordinates={coordinates}
            pointsOfInterest={pointsOfInterest}
            onActivePoiChange={onActivePoiChange}
            activePoi={activePoi}
            markerInfo={markerInfo}
          />
        )}
      </Map>
      <div className={styles.ctaButtons}>
        {closeButton}
        <div className={styles.zoomButtons}>
          <IconButton
            variant="Elevated"
            className={styles.zoomButton}
            onClick={zoomOut}
            aria-label={intl.formatMessage({
              id: "map.zoomOut",
              defaultMessage: "Zoom out",
            })}
            isDisabled={isMinZoom}
            iconName="remove"
          />

          <IconButton
            variant="Elevated"
            className={styles.zoomButton}
            onClick={zoomIn}
            aria-label={intl.formatMessage({
              id: "map.zoomIn",
              defaultMessage: "Zoom in",
            })}
            isDisabled={isMaxZoom}
            iconName="add"
          />
        </div>
      </div>
    </div>
  )
}