import type { DmsPermissionResource } from '#/api/x/dms/permission';

import { describe, expect, it } from 'vitest';

import { compareFolders, folderMenuAvailability } from '../folderMenuRules';

function folder(id: string, parentId?: string, sortCode = 0): DmsPermissionResource {
  return {
    createdAt: '2026-08-27T00:00:00Z',
    id,
    name: id,
    parentId,
    resourceType: 'FOLDER',
    revision: 0,
    sortCode,
    sourceId: id,
    sourceType: 'SYSTEM',
  };
}

describe('folder context menu rules', () => {
  it('enables sibling reorder only when an adjacent sibling exists', () => {
    const siblings = [folder('a', 'root', 1024), folder('b', 'root', 2048), folder('c', 'root', 3072)];

    expect(folderMenuAvailability(siblings[0]!, siblings, [siblings[0]!]).canMoveUp).toBe(false);
    expect(folderMenuAvailability(siblings[1]!, siblings, [siblings[1]!])).toMatchObject({ canMoveDown: true, canMoveUp: true });
    expect(folderMenuAvailability(siblings[2]!, siblings, [siblings[2]!]).canMoveDown).toBe(false);
  });

  it('protects roots and rejects cyclic or no-op cut paste targets', () => {
    const root = folder('root');
    const source = folder('source', 'root');
    const child = folder('child', 'source');

    expect(folderMenuAvailability(root, [root], [root]).canDelete).toBe(false);
    expect(folderMenuAvailability(child, [child], [root, source, child], { mode: 'cut', source }).canPaste).toBe(false);
    expect(folderMenuAvailability(root, [root], [root], { mode: 'cut', source }).canPaste).toBe(false);
  });

  it('orders folders by stable sort code and id', () => {
    const values = [folder('c', 'root', 2048), folder('b', 'root', 1024), folder('a', 'root', 1024)];
    expect(values.sort(compareFolders).map((item) => item.id)).toEqual(['a', 'b', 'c']);
  });
});