//
// Copyright 2025 DXOS.org
//

import { type ControlProps, type GlobeController } from '../components/index.ts';

const ZOOM_FACTOR = 0.1;

export const useGlobeZoomHandler = (controller: GlobeController | null | undefined): ControlProps['onAction'] => {
  return (event) => {
    if (!controller) {
      return;
    }

    switch (event) {
      case 'zoom-in': {
        controller.setZoom((zoom) => {
          return zoom * (1 + ZOOM_FACTOR);
        });
        break;
      }
      case 'zoom-out': {
        controller.setZoom((zoom) => {
          return zoom * (1 - ZOOM_FACTOR);
        });
        break;
      }
    }
  };
};