import { applyHttpTimeouts, HttpTimeoutSink } from './http-timeouts';

describe('applyHttpTimeouts', () => {
  const sink = (): HttpTimeoutSink => ({ requestTimeout: 0, headersTimeout: 0, keepAliveTimeout: 0 });

  it('writes requestTimeout, headersTimeout, and keepAliveTimeout onto the server from the config', () => {
    const s = sink();
    applyHttpTimeouts(s, { requestTimeoutMs: 300000, headersTimeoutMs: 70000, keepAliveTimeoutMs: 5000 });

    expect(s.requestTimeout).toBe(300000);
    expect(s.headersTimeout).toBe(70000);
    expect(s.keepAliveTimeout).toBe(5000);
  });

  it('keeps a valid headersTimeout (> keepAliveTimeout) unchanged', () => {
    const s = sink();
    applyHttpTimeouts(s, { requestTimeoutMs: 300000, headersTimeoutMs: 65000, keepAliveTimeoutMs: 5000 });
    expect(s.headersTimeout).toBe(65000);
  });

  it('auto-bumps headersTimeout above keepAliveTimeout when misconfigured (Node requires headers > keepAlive)', () => {
    const s = sink();
    applyHttpTimeouts(s, { requestTimeoutMs: 300000, headersTimeoutMs: 5000, keepAliveTimeoutMs: 5000 });
    expect(s.headersTimeout).toBeGreaterThan(s.keepAliveTimeout);
  });

  it('reports the resolved (post-bump) values so boot can log what was actually applied', () => {
    const report = applyHttpTimeouts(sink(), {
      requestTimeoutMs: 300000,
      headersTimeoutMs: 5000,
      keepAliveTimeoutMs: 5000,
    });
    expect(report.requestTimeoutMs).toBe(300000);
    expect(report.keepAliveTimeoutMs).toBe(5000);
    expect(report.headersTimeoutMs).toBeGreaterThan(report.keepAliveTimeoutMs);
  });
});