import { describe, expect, it } from 'vitest';
import {
  ASSET_TYPE_LABELS,
  ASSET_TYPES,
  type AssetType,
  isPlaceableType,
} from '../../src/core/model/AssetTypes';
import { assetMenuGroups } from '../../src/editor/panels/assetMenu';

const labels = (types: AssetType[]) => types.map((type) => ASSET_TYPE_LABELS[type]);

describe('assetMenuGroups', () => {
  it('offers every type exactly once', () => {
    const flat = assetMenuGroups().flat();
    expect([...flat].sort()).toEqual([...ASSET_TYPES].sort());
  });

  it('splits into placeable first, library second (#43)', () => {
    const [placeable, library] = assetMenuGroups();
    expect(placeable!.every(isPlaceableType)).toBe(true);
    expect(library!.some(isPlaceableType)).toBe(false);
  });

  it('sorts each group by its label, not by declaration order', () => {
    for (const group of assetMenuGroups()) {
      expect(labels(group)).toEqual([...labels(group)].sort());
    }
    // Declaration order starts with Scene, which is not placeable and no longer leads the menu.
    expect(assetMenuGroups()[0]![0]).not.toBe('scene');
  });

  it('leaves ASSET_TYPES alone – it is also the serialisation order', () => {
    assetMenuGroups();
    expect(ASSET_TYPES[0]).toBe('scene');
  });
});