// server/services/system.test.ts
import { describe, expect, it } from "vitest";
import { getSystemMetrics, getSystemStatus, systemInternals } from "./system.js";

describe("system service", () => {
  it("publie un status serveur stable", () => {
    const status = getSystemStatus(new Date("2026-06-05T10:00:00.000Z"));

    expect(status).toMatchObject({
      app: "system_update",
      version: "0.1.0",
      apiVersion: "1",
      serverTime: "2026-06-05T10:00:00.000Z",
    });
    expect(status.uptimeSeconds).toBeGreaterThanOrEqual(0);
  });

  it("publie des métriques serveur sans secret", () => {
    const metrics = getSystemMetrics(new Date("2026-06-05T10:00:00.000Z"));

    expect(metrics.collectedAt).toBe("2026-06-05T10:00:00.000Z");
    expect(metrics.process.rssMb).toBeGreaterThan(0);
    expect(metrics.host.totalMemoryMb).toBeGreaterThan(0);
    expect(JSON.stringify(metrics)).not.toContain("password");
  });

  it("arrondit à deux décimales", () => {
    expect(systemInternals.round2(12.345)).toBe(12.35);
  });
});