Save and reopen

import type * as THREE from 'three';
import { ProjectFileError, ProjectManager, type ProjectFile } from '@opengeometry/floorkit';

export function openManager(scene: THREE.Scene, project: ProjectFile): ProjectManager {
  const manager = new ProjectManager(project);
  scene.add(manager.root);
  return manager;
}

export function save(manager: ProjectManager): string {
  return manager.save();
}

export function closeManager(scene: THREE.Scene, manager: ProjectManager): void {
  scene.remove(manager.root);
  manager.dispose();
}

export function reopen(scene: THREE.Scene, current: ProjectManager, text: string): ProjectManager {
  const next = ProjectManager.open(text);
  closeManager(scene, current);
  scene.add(next.root);
  return next;
}

export function tryOpen(text: string): ProjectManager | undefined {
  try {
    return ProjectManager.open(text);
  } catch (error) {
    if (error instanceof ProjectFileError) {
      console.error(`${error.code} at ${error.path}`);
      return undefined;
    }
    throw error;
  }
}