import { describe, expect, it } from 'vitest';
import type { EnvironmentObservation } from '../../src/domain/environment-context';
import { inferGpoEnvironmentContexts } from '../../server/gpo/gpo-environment-context';

function fact(property: string, value: string, subject = 'computer-information.domain-controllers', state = 'observed') {
  return { id: `synthetic-${property}-${value}`, property, originalValue: value, subject: { type: subject }, state } as EnvironmentObservation;
}
describe('GPO environment context evidence', () => {
  it('uses the DC operating system instead of domain or forest functional levels', () => {
    const contexts = inferGpoEnvironmentContexts([
      fact('operating_system.name', 'Windows 2019'),
      fact('domain.functional_level', 'Windows Server 2016'),
      fact('forest.functional_level', 'Windows Server 2016')
    ]);
    expect(contexts).toHaveLength(1);
    expect(contexts[0]).toMatchObject({ productFamily: 'Windows Server', productVersion: '2019', role: 'Domain Controller',
      sourceObservationIds: ['synthetic-operating_system.name-Windows 2019'] });
  });
  it('does not infer roles from generic server inventory, functional levels or missing evidence', () => {
    expect(inferGpoEnvironmentContexts([
      fact('domain.functional_level', 'Windows Server 2022'),
      fact('operating_system.name', 'Windows Server 2022', 'computer-information.operating-systems'),
      fact('operating_system.name', 'Windows Server 2022', 'computer-information.domain-controllers', 'unknown')
    ])).toEqual([]);
  });
});