import test from 'node:test';
import assert from 'node:assert/strict';
import { evaluateDomainAccess, parseDomainAccessHandoff } from './domain-access.js';

const NOW = 1_786_291_200_000;
const DIGEST = 'a'.repeat(64);
const COMMIT = 'b'.repeat(40);

const validHandoff = {
  connectionReceipt: {
    connectionId: 'CONN-001',
    domainId: 'DOM-FIFTH-0001',
    manifestDigest: DIGEST,
    nodeId: 'LOCAL-001',
    receiptId: 'RECEIPT-001',
    state: 'online',
  },
  manifest: {
    digest: DIGEST,
    domainId: 'DOM-FIFTH-0001',
    schema: 'gh-aios.domain-manifest/v1',
    signerId: 'GH-LIGHTHOUSE-001',
    sourceCommit: COMMIT,
    verifierReceipt: {
      manifestDigest: DIGEST,
      signerId: 'GH-LIGHTHOUSE-001',
      state: 'verified',
      verifiedAt: NOW - 1_000,
      verifierId: 'GH-MANIFEST-VERIFIER-001',
    },
  },
  sessionCapability: {
    capabilityId: 'CAP-001',
    domainId: 'DOM-FIFTH-0001',
    expiresAt: NOW + 60_000,
    nodeId: 'LOCAL-001',
    scopes: ['domain:enter'],
  },
} as const;

test('a local workspace remains available without claiming domain runtime access', () => {
  const status = evaluateDomainAccess({ accountVerified: false, domainId: 'DOM-FIFTH-0001', nodeId: '' }, NOW);
  assert.equal(status.localWorkspaceAllowed, true);
  assert.equal(status.runtimeReady, false);
  assert.equal(status.stage, 'login-required');
});

test('a verified Forgejo account is not a domain runtime session', () => {
  const status = evaluateDomainAccess({ accountVerified: true, domainId: 'DOM-FIFTH-0001', nodeId: 'JD-FD-PRIMARY' }, NOW);
  assert.equal(status.stage, 'identity-verified');
  assert.deepEqual(status.blockers, [
    'verified_domain_manifest_missing',
    'scoped_session_capability_missing',
    'matching_connection_receipt_missing',
  ]);
});

test('runtime access requires matching manifest, scoped capability and online receipt', () => {
  const handoff = parseDomainAccessHandoff(validHandoff, 'DOM-FIFTH-0001', 'LOCAL-001', NOW);
  const status = evaluateDomainAccess({
    accountVerified: true,
    domainId: 'DOM-FIFTH-0001',
    nodeId: 'LOCAL-001',
    ...handoff,
  }, NOW);
  assert.equal(status.runtimeReady, true);
  assert.equal(status.stage, 'runtime-ready');
  assert.deepEqual(status.blockers, []);
});

test('mismatched or expired evidence fails closed', () => {
  const status = evaluateDomainAccess({
    accountVerified: true,
    connectionReceipt: { connectionId: 'CONN-001', domainId: 'DOMAIN-OTHER', manifestDigest: DIGEST, nodeId: 'LOCAL-001', receiptId: 'RECEIPT-001', state: 'online' },
    domainId: 'DOM-FIFTH-0001',
    manifest: validHandoff.manifest,
    nodeId: 'LOCAL-001',
    sessionCapability: { capabilityId: 'CAP-001', domainId: 'DOM-FIFTH-0001', expiresAt: NOW, nodeId: 'LOCAL-001', scopes: ['domain:enter'] },
  }, NOW);
  assert.equal(status.runtimeReady, false);
  assert.ok(status.blockers.includes('scoped_session_capability_missing'));
  assert.ok(status.blockers.includes('matching_connection_receipt_missing'));
});

test('a verified boolean cannot substitute for an external verifier receipt', () => {
  assert.throws(() => parseDomainAccessHandoff({
    ...validHandoff,
    manifest: {
      digest: DIGEST,
      domainId: 'DOM-FIFTH-0001',
      schema: 'gh-aios.domain-manifest/v1',
      signerId: 'GH-LIGHTHOUSE-001',
      sourceCommit: COMMIT,
      verified: true,
    },
  }, 'DOM-FIFTH-0001', 'LOCAL-001', NOW), /domain_access_handoff_invalid/);
});

test('unknown fields and malformed digests fail closed', () => {
  assert.throws(() => parseDomainAccessHandoff({
    ...validHandoff,
    manifest: { ...validHandoff.manifest, digest: 'not-a-digest' },
    trusted: true,
  }, 'DOM-FIFTH-0001', 'LOCAL-001', NOW), /domain_access_handoff_invalid/);
});

test('the handoff is bound to the requested domain, node and manifest digest', () => {
  assert.throws(() => parseDomainAccessHandoff({
    ...validHandoff,
    connectionReceipt: { ...validHandoff.connectionReceipt, manifestDigest: 'c'.repeat(64) },
  }, 'DOM-FIFTH-0001', 'LOCAL-001', NOW), /domain_access_handoff_invalid/);
  assert.throws(() => parseDomainAccessHandoff(validHandoff, 'DOM-FIFTH-0001', 'OTHER-NODE', NOW), /domain_access_handoff_invalid/);
});