const test = require('node:test');
const assert = require('node:assert/strict');

const {
  clearPublicSystemConfigCache,
  getPublicSystemConfigCache,
  getStalePublicSystemConfigCache,
  setPublicSystemConfigCache,
} = require('../src/services/publicSystemConfigCache');

test.afterEach(() => {
  clearPublicSystemConfigCache();
});

test('returns a cached website config before its expiry', () => {
  const config = { site_name: '脉象' };
  setPublicSystemConfigCache(config, 5000, 1000);

  assert.equal(getPublicSystemConfigCache(5999), config);
});

test('does not return an expired website config', () => {
  const config = { site_name: '旧名称' };
  setPublicSystemConfigCache(config, 5000, 1000);

  assert.equal(getPublicSystemConfigCache(6000), null);
  assert.equal(getStalePublicSystemConfigCache(), config);
});

test('clears the cached website config after an update', () => {
  setPublicSystemConfigCache({ site_name: '旧名称' }, 5000, 1000);
  clearPublicSystemConfigCache();

  assert.equal(getPublicSystemConfigCache(1001), null);
});