import { describe, test } from 'node:test';
import assert from 'node:assert/strict';
import { validateDslText } from '@arbiter/evidence-dsl/validation/DSLValidation';

describe('DSL injectable predicates (* prefix)', () => {
  test('allows injectable predicates with * prefix in evidence bodies', () => {
    const dsl = `
      definition Doc { id: string }
      definition Proof { issued_at: timestamp }
      fact owns(user: User, doc: Doc)
      source *mfa(user: User) PROVIDES Proof
      source *webauthn(user: User) PROVIDES Proof

      evidence can_delete(user: User, doc: Doc) {
        owns(user, doc)
        *mfa(user)
        *webauthn(user)
      }
    `;

    const result = validateDslText(dsl);
    assert.equal(result.success, true, result.errors.join('\n'));
    assert.equal(result.errors.length, 0);
  });

  test('injectable facts parse with * prefix', () => {
    const dsl = `
      definition Doc { id: string }
      fact *device_link(user: User, device: string)

      evidence is_trusted(user: User) {
        *device_link(user, "trusted_device_01")
      }
    `;

    const result = validateDslText(dsl);
    assert.equal(result.success, true, result.errors.join('\n'));
    assert.equal(result.errors.length, 0);
  });

  test('allows within constraints on injectable predicates', () => {
    const dsl = `
      definition Doc { id: string }
      definition Proof { issued_at: timestamp }
      fact owns(user: User, doc: Doc)
      source *mfa(user: User) PROVIDES Proof within 10m

      evidence can_delete(user: User, doc: Doc) {
        owns(user, doc)
        *mfa(user)
      }
    `;

    const result = validateDslText(dsl);
    assert.equal(result.success, true, result.errors.join('\n'));
    assert.equal(result.errors.length, 0);
  });
});
