import assert from 'node:assert/strict';
import test from 'node:test';

import {
  DEFAULT_VALID_DAYS,
  ensurePeriodActivated,
  enrichLicenseEntry,
  getEffectiveExpSec,
  isFixedKey,
  isPeriodKey,
  parseProductKeyExpiry,
  resolveTokenExp,
  SECONDS_PER_DAY,
} from '../lib/licenseLogic.mjs';

void test('parseProductKeyExpiry defaults to period', () => {
  const r = parseProductKeyExpiry({});
  assert.equal(r.ok, true);
  assert.equal(r.validDays, DEFAULT_VALID_DAYS);
});

void test('parseProductKeyExpiry rejects conflicting expiry fields', () => {
  const r = parseProductKeyExpiry({ expiresAtSec: 100, validDays: 30 });
  assert.equal(r.ok, false);
  assert.equal(r.error, 'conflicting_expiry');
});

void test('ensurePeriodActivated sets exp once for period keys', () => {
  const pk = { validDays: 10 };
  const first = ensurePeriodActivated(pk, 1000);
  assert.equal(first.changed, true);
  assert.equal(first.exp, 1000 + 10 * SECONDS_PER_DAY);
  assert.equal(pk.activatedAtSec, 1000);

  const second = ensurePeriodActivated(pk, 5000);
  assert.equal(second.changed, false);
  assert.equal(second.exp, first.exp);
});

void test('resolveTokenExp for fixed and period keys', () => {
  const fixed = { expiresAtSec: 9999 };
  assert.equal(resolveTokenExp(fixed, 100), 9999);
  assert.ok(isFixedKey(fixed));

  const period = { validDays: 7, licenseExpSec: 7000 };
  assert.equal(resolveTokenExp(period, 100), 7000);
  assert.ok(isPeriodKey(period));
});

void test('enrichLicenseEntry exposes expiry metadata', () => {
  const fixed = enrichLicenseEntry(
    { key: 'k', sub: 's', pid: 'p', maxDevices: 1, expiresAtSec: 123 },
    [],
    false,
  );
  assert.equal(fixed.expiryMode, 'fixed');
  assert.equal(fixed.effectiveExpSec, 123);

  const period = enrichLicenseEntry(
    { key: 'k', sub: 's', pid: 'p', maxDevices: 1, validDays: 30 },
    [],
    false,
  );
  assert.equal(period.expiryMode, 'period');
  assert.equal(period.effectiveExpSec, null);
  assert.equal(getEffectiveExpSec({ validDays: 30, licenseExpSec: 555 }), 555);
});