// Types for the ported JS 2D engine (Viewer2D.js). Colocated so tsc resolves
// `./Viewer2D.js` imports without allowJs. Only the methods the app uses are typed.
import type { CadSpace } from './cadSpaces';

export class Viewer2D {
  constructor(container: HTMLElement);
  /** Render a DWG/DXF parseResult. `keepView` preserves pan/zoom on re-render. */
  load(result: unknown, opts?: { keepView?: boolean; keepTheme?: boolean; spaceHandle?: string | number | null }): void;
  /** Zoom-extents to the loaded drawing. */
  fit(): void;
  /** Resync renderer/camera to the container size (call after un-hiding). */
  resize(): void;
  onSelect(cb: (entity: unknown) => void): void;
  getSelectedEntity(): unknown;
  zoomToSelection(): void;
  setAccent(hex: string): void;
  setTheme(dark: boolean): void;
  setGrid(visible: boolean): void;
  getLayerInfo(): { name: string; colorHex: string; count: number; visible: boolean }[];
  setHiddenLayers(nameSet: Set<string>): void;
  /** Model / Paper (Layout) spaces for the loaded drawing. */
  getSpaces(): CadSpace[];
  getActiveSpace(): string | null;
  /** Switch Model ↔ Layout; re-renders (fit unless keepView). */
  setSpace(spaceHandle: string | number | null, opts?: { keepView?: boolean }): void;
  getZoomPercent(): number;
  onViewChange(cb: () => void): void;
  /** Screen client coords → drawing world (Z=0 plane). */
  screenToWorld(clientX: number, clientY: number): { x: number; y: number; z: number } | null;
  /** Live CAD coords under the cursor; null when pointer leaves the canvas. */
  onPointerWorld(cb: ((p: { x: number; y: number; z: number } | null) => void) | null): void;
  startMeasure(cb: (r: { phase: string; ax: number; ay: number; az: number; bx: number; by: number; bz: number; d: number }) => void): void;
  stopMeasure(): void;
}
