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import TIMapUtils
import GoogleMaps

open class GoogleMapManager<DataModel>: BaseMapManager<GMSMapView,
                                                        GooglePlacemarkManager<DataModel>,
                                                        GoogleClusterPlacemarkManager<DataModel>,
                                                        GMSCameraUpdate> {

    public init<IF: MarkerIconFactory, CIF: MarkerIconFactory>(map: GMSMapView,
                                                               positionGetter: @escaping PositionGetter,
                                                               iconFactory: IF?,
                                                               clusterIconFactory: CIF?,
                                                               mapViewDelegate: GMSMapViewDelegate? = nil,
                                                               selectPlacemarkHandler: @escaping SelectPlacemarkHandler)
    where IF.Model == DataModel, CIF.Model == [DataModel] {

        let placemarkManagerCreator: PlacemarkManagerCreator = {
            guard let position = positionGetter($0) else {
                return nil
            }

            return GooglePlacemarkManager(dataModel: $0,
                                          position: position,
                                          iconFactory: iconFactory?.asAnyMarkerIconFactory(),
                                          tapHandler: $1)
        }

        let clusterPlacemarkManagerCreator: ClusterPlacemarkManagerCreator = {
            GoogleClusterPlacemarkManager(placemarkManagers: $0,
                                          iconFactory: clusterIconFactory,
                                          mapDelegate: mapViewDelegate,
                                          tapHandler: $1)
        }

        super.init(map: map,
                   placemarkManagerCreator: placemarkManagerCreator,
                   clusterPlacemarkManagerCreator: clusterPlacemarkManagerCreator,
                   selectPlacemarkHandler: selectPlacemarkHandler)
    }

    public convenience init(map: GMSMapView,
                            positionGetter: @escaping PositionGetter,
                            mapViewDelegate: GMSMapViewDelegate? = nil,
                            selectPlacemarkHandler: @escaping SelectPlacemarkHandler) {

        self.init(map: map,
                  positionGetter: positionGetter,
                  iconFactory: nil as DefaultMarkerIconFactory<DataModel>?,
                  clusterIconFactory: nil as DefaultClusterMarkerIconFactory<DataModel>?,
                  mapViewDelegate: mapViewDelegate,
                  selectPlacemarkHandler: selectPlacemarkHandler)
    }

    public convenience init(map: GMSMapView,
                            mapViewDelegate: GMSMapViewDelegate? = nil,
                            selectPlacemarkHandler: @escaping SelectPlacemarkHandler) where DataModel: MapLocatable, DataModel.Position == CLLocationCoordinate2D {

        self.init(map: map,
                  positionGetter: { $0.position },
                  mapViewDelegate: mapViewDelegate,
                  selectPlacemarkHandler: selectPlacemarkHandler)
    }

    open override func set(items: [DataModel]) {
        super.set(items: items)

        clusterPlacemarkManager?.addMarkers(to: map)
    }

    open override func remove(clusterPlacemarkManager: GoogleClusterPlacemarkManager<DataModel>) {
        super.remove(clusterPlacemarkManager: clusterPlacemarkManager)

        clusterPlacemarkManager.removeMarkers()
    }
}