import { PerspectiveCamera } from "three";
import { TrackballControls } from "three/addons/controls/TrackballControls.js";

export function setHomeCamera(camera: PerspectiveCamera): void {
  camera.position.set(4, 2.6, 6.6);
  camera.up.set(0, 1, 0);
  camera.lookAt(0, 0, 0);
}

export function createCameraControls(
  camera: PerspectiveCamera,
  element: HTMLElement,
) {
  // Set the home view before construction so reset restores position and up.
  setHomeCamera(camera);
  const controls = new TrackballControls(camera, element);
  controls.noPan = true;
  controls.staticMoving = true; // Stop on release; no residual spin after reset.
  controls.rotateSpeed = 1.5;
  controls.minDistance = 3.8;
  controls.maxDistance = 12;
  controls.keys = ["", "", ""];

  return controls;
}