//
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import TIMapUtils
import GoogleMaps
import GoogleMapsUtils

open class GooglePlacemarkManager<Model>: BaseItemPlacemarkManager<GMSMarker, Model, CLLocationCoordinate2D>,
                                          GMUClusterItem {

    // MARK: - GMUClusterItem

    /// Point (coordinates) itself of the current placemark manager
    public var position: CLLocationCoordinate2D {
        placemarkPosition
    }
    
    /// The current state of a manager's placemark
    override public var state: MarkerState {
        didSet {
            guard let placemark = placemark else {
                return
            }
            
            placemark.icon = iconFactory?.markerIcon(for: dataModel, state: state)
        }
    }

    public init(dataModel: Model,
                position: CLLocationCoordinate2D,
                iconFactory: AnyMarkerIconFactory<DataModel>?,
                tapHandler: TapHandlerClosure?) {

        super.init(placemarkPosition: position,
                   dataModel: dataModel,
                   iconFactory: iconFactory,
                   tapHandler: tapHandler)
    }

    // MARK: - PlacemarkManager

    override open func configure(placemark: GMSMarker) {
        super.configure(placemark: placemark)
        
        /*
         Note: it is required not to just resetting a state but setting a value depending
               on a previous state due to Google Maps' map re-rendering on zoom to save
               an appearance of the pin as it was previously
         */
        self.state = state == .default ? .default : .selected
    }
}