export interface PotreeNamespace {
  Viewer: new (element: HTMLElement) => PotreeViewerInstance;
  loadPointCloud: (url: string, name: string, callback?: (e: PotreeLoadEvent) => void) => void;
  PointSizeType?: { ADAPTIVE?: number };
}

export interface PotreeViewerInstance {
  setEDLEnabled(enabled: boolean): void;
  setFOV(fov: number): void;
  setPointBudget(budget: number): void;
  setBackground(type: string): void;
  loadGUI(callback?: () => void): void;
  setLanguage(lang: string): void;
  scene: { addPointCloud(pointcloud: PotreePointCloud): void };
  fitToScreen(): void;
}

export interface PotreeLoadEvent {
  pointcloud: PotreePointCloud;
}

interface PotreePointCloud {
  material: PotreePointCloudMaterial;
}

interface PotreePointCloudMaterial {
  size: number;
  pointSizeType?: number;
}

declare global {
  interface Window {
    Potree?: PotreeNamespace;
  }
}

declare const Potree: PotreeNamespace;
export default Potree;
export { Potree };

export function loadPotreeAssets(opts?: { baseUrl?: string }): Promise<PotreeNamespace>;