import { beforeAll, describe, expect, it, vi } from "vitest";

vi.mock("@hivegrid/config", () => ({
  loadRequiredWebConfig: () => ({
    nodeEnv: "test",
    routing: {},
    sessionSecret: "test-session-secret-that-is-long-enough",
  }),
  resolveSessionCookiePolicy: () => ({
    name: "app_analytics",
    httpOnly: true,
    path: "/",
    sameSite: "lax",
    secure: false,
  }),
}));

let generateAnalyticsUserId: () => string;

beforeAll(async () => {
  ({ generateAnalyticsUserId } = await import("./analyticsCookie.server"));
});

describe("analytics identifier", () => {
  it("uses a compact 128-bit base64url identifier", () => {
    const first = generateAnalyticsUserId();
    const second = generateAnalyticsUserId();

    expect(first).toMatch(/^[A-Za-z0-9_-]{22}$/);
    expect(Buffer.from(first, "base64url")).toHaveLength(16);
    expect(second).not.toBe(first);
  });
});