import configuration from '../../config/configuration';

describe('T-Bank configuration', () => {
  const originalEnv = process.env;

  beforeEach(() => {
    process.env = { ...originalEnv };
  });

  afterAll(() => {
    process.env = originalEnv;
  });

  it('uses conservative defaults for T-Bank integration', () => {
    delete process.env.T_BANK_BASE_URL;
    delete process.env.T_BANK_RATE_LIMIT_PER_SECOND;
    delete process.env.CACHE_TBANK_PORTFOLIO_TTL;

    const config = configuration();

    expect(config.tbank.baseUrl).toBe('invest-public-api.tbank.ru:443');
    expect(config.tbank.rateLimitPerSecond).toBe(5);
    expect(config.cache.tbankPortfolioTtl).toBe(60);
    expect(config.cache.tbankPositionsTtl).toBe(60);
  });

  it('reads T-Bank token and TTL overrides from environment', () => {
    process.env.T_BANK_TOKEN = 'secret-token';
    process.env.T_BANK_BASE_URL = 'sandbox-invest-public-api.tbank.ru:443';
    process.env.T_BANK_CA_CERT_PATH = '/tmp/tbank-root-ca.pem';
    process.env.T_BANK_RATE_LIMIT_PER_SECOND = '2';
    process.env.CACHE_TBANK_ACCOUNTS_TTL = '120';
    process.env.CACHE_TBANK_POSITIONS_TTL = '45';

    const config = configuration();

    expect(config.tbank.token).toBe('secret-token');
    expect(config.tbank.baseUrl).toBe('sandbox-invest-public-api.tbank.ru:443');
    expect(config.tbank.caCertPath).toBe('/tmp/tbank-root-ca.pem');
    expect(config.tbank.rateLimitPerSecond).toBe(2);
    expect(config.cache.tbankAccountsTtl).toBe(120);
    expect(config.cache.tbankPositionsTtl).toBe(45);
  });
});