/**
 * Client auth store (auth-store.ts). Focus: the session lifecycle invariants
 * the auth bootstrap/logout depend on — `clear()` (logout) must also end any
 * in-flight initialization so the (app) layout can't keep spinning on a stale
 * `initializing: true` if logout fires before the bootstrap settled, and
 * `setUser` must always terminate initialization.
 */
import { beforeEach, describe, expect, it } from "vitest";
import { authStore, hasSession, useAuthStore } from "@/lib/auth-store";
import type { User } from "@/lib/types";

const user = { id: "u1", email: "a@b.c", name: "A" } as unknown as User;

describe("auth-store", () => {
  beforeEach(() => {
    // Reset to the initial (signed-out, initializing) state.
    useAuthStore.setState({ user: null, accessToken: null, initializing: true });
  });

  it("setUser stores the user + token and ends initialization", () => {
    authStore.setUser(user, "tok-1");
    expect(authStore.user?.id).toBe("u1");
    expect(authStore.accessToken).toBe("tok-1");
    expect(useAuthStore.getState().initializing).toBe(false);
    expect(hasSession()).toBe(true);
  });

  it("setAccessToken swaps the token without clearing the user", () => {
    authStore.setUser(user, "tok-1");
    authStore.setAccessToken("tok-2");
    expect(authStore.accessToken).toBe("tok-2");
    expect(authStore.user?.id).toBe("u1");
  });

  it("clear() resets user + token AND ends initialization (the logout fix)", () => {
    // Mid-bootstrap: an access token was just stored, user not yet set,
    // initialization still spinning.
    authStore.setAccessToken("tok-1");
    expect(useAuthStore.getState().initializing).toBe(true);

    authStore.clear();
    expect(authStore.user).toBeNull();
    expect(authStore.accessToken).toBeNull();
    expect(hasSession()).toBe(false);
    // The regression guard: clear() must not leave `initializing: true`.
    expect(useAuthStore.getState().initializing).toBe(false);
  });

  it("clear() is idempotent when already signed out", () => {
    authStore.clear();
    authStore.clear();
    expect(authStore.user).toBeNull();
    expect(authStore.accessToken).toBeNull();
    expect(useAuthStore.getState().initializing).toBe(false);
  });
});