import test from 'node:test';
import assert from 'node:assert/strict';
import policyModule from '../src/shared/deployment-policy.cjs';

const { evaluateDeploymentPolicy } = policyModule;

test('deployment freeze and maintenance windows fail closed with reasoned overrides', () => {
  const profile = { deploymentPolicy: { frozen: true, freezeReason: 'Incident', requireNote: true, maintenanceWindows: [{ days: [1], start: '09:00', end: '10:00' }] } };
  const now = new Date(2026, 6, 28, 12, 0); // Tuesday
  assert.throws(() => evaluateDeploymentPolicy(profile, { now, note: 'Release' }), (error) => error.code === 'DEPLOYMENT_POLICY_BLOCKED');
  assert.throws(() => evaluateDeploymentPolicy(profile, { now, note: 'Release', override: true }), /override reason/i);
  const result = evaluateDeploymentPolicy(profile, { now, note: 'Release', override: true, reason: 'Emergency recovery' });
  assert.equal(result.overridden, true);
  assert.equal(result.violations.length, 2);
});

test('deployment policy accepts an in-window release with required note', () => {
  const now = new Date(2026, 6, 27, 9, 30); // Monday
  const profile = { deploymentPolicy: { requireNote: true, maintenanceWindows: [{ days: [1], start: '09:00', end: '10:00' }] } };
  assert.equal(evaluateDeploymentPolicy(profile, { now, note: 'Version 1.2' }).allowed, true);
  assert.throws(() => evaluateDeploymentPolicy(profile, { now }), /release note/i);
});

test('overnight maintenance windows continue into the following day', () => {
  const profile = { deploymentPolicy: { maintenanceWindows: [{ days: [1], start: '22:00', end: '02:00' }] } };
  assert.equal(evaluateDeploymentPolicy(profile, { now: new Date(2026, 6, 27, 23, 0) }).allowed, true);
  assert.equal(evaluateDeploymentPolicy(profile, { now: new Date(2026, 6, 28, 1, 0) }).allowed, true);
  assert.throws(() => evaluateDeploymentPolicy(profile, { now: new Date(2026, 6, 28, 3, 0) }), /outside/);
});