import { describe, expect, it } from "vitest";
import {
  allAccepted,
  allRejected,
  hasConsent,
  parseConsent,
  readConsentCookie,
  serializeConsent,
  CONSENT_VERSION,
} from "@/lib/consent";

describe("consentement aux témoins", () => {
  it("sérialise et relit un consentement", () => {
    const c = allAccepted();
    expect(parseConsent(serializeConsent(c))).toMatchObject({
      analytics: true,
      marketing: true,
      necessary: true,
    });
  });
  it("ignore une valeur corrompue ou d'une autre version", () => {
    expect(parseConsent("%7Bnope")).toBeNull();
    expect(
      parseConsent(
        encodeURIComponent(
          JSON.stringify({ version: CONSENT_VERSION + 1, analytics: true, marketing: true }),
        ),
      ),
    ).toBeNull();
    expect(
      parseConsent(
        encodeURIComponent(JSON.stringify({ version: CONSENT_VERSION, analytics: "oui" })),
      ),
    ).toBeNull();
  });
  it("lit le témoin dans un en-tête Cookie", () => {
    const header = `foo=1; phi_consent=${serializeConsent(allRejected())}; bar=2`;
    expect(readConsentCookie(header)).toMatchObject({ analytics: false, marketing: false });
    expect(readConsentCookie("foo=1")).toBeNull();
  });
  it("les témoins nécessaires sont toujours autorisés, les autres jamais sans choix", () => {
    expect(hasConsent(null, "necessary")).toBe(true);
    expect(hasConsent(null, "analytics")).toBe(false);
    expect(hasConsent(allAccepted(), "marketing")).toBe(true);
  });
});