import { describe, expect, it } from 'vitest';

import { buildHealthReport, isHealthRequest } from './health.js';

describe('buildHealthReport', () => {
  it('reports ok with HTTP 200 when the database is reachable', () => {
    const { httpStatus, body } = buildHealthReport('1.2.3', { ok: true });
    expect(httpStatus).toBe(200);
    expect(body.status).toBe('ok');
    expect(body.service).toBe('collab');
    expect(body.version).toBe('1.2.3');
    expect(body.checks).toEqual([{ name: 'database', status: 'ok' }]);
    expect(typeof body.time).toBe('string');
  });

  it('reports unhealthy with HTTP 503 and the detail when the database is down', () => {
    const { httpStatus, body } = buildHealthReport('1.2.3', {
      ok: false,
      detail: 'connection refused',
    });
    expect(httpStatus).toBe(503);
    expect(body.status).toBe('unhealthy');
    expect(body.checks).toEqual([
      { name: 'database', status: 'failed', detail: 'connection refused' },
    ]);
  });
});

describe('isHealthRequest', () => {
  it('matches the internal and proxied health paths on GET/HEAD', () => {
    expect(isHealthRequest('GET', '/healthz')).toBe(true);
    expect(isHealthRequest('HEAD', '/healthz')).toBe(true);
    expect(isHealthRequest('GET', '/healthz?probe=1')).toBe(true);
    expect(isHealthRequest('GET', '/collab/healthz')).toBe(true);
    expect(isHealthRequest('GET', '/collab/healthz/')).toBe(true);
  });

  it('does not match other methods, the WebSocket path, or the root', () => {
    expect(isHealthRequest('POST', '/healthz')).toBe(false);
    expect(isHealthRequest('GET', '/collab')).toBe(false);
    expect(isHealthRequest('GET', '/')).toBe(false);
    expect(isHealthRequest('GET', undefined)).toBe(false);
  });
});