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

const isAuthenticatedMock = vi.fn();
const getMeMock = vi.fn();
const loginMock = vi.fn();
const clearTokensMock = vi.fn();

vi.mock('../api/auth', () => ({
  getAuthClient: () => ({
    isAuthenticated: isAuthenticatedMock,
    getMe: getMeMock,
    login: loginMock,
    clearTokens: clearTokensMock,
    getAccessToken: vi.fn(() => null),
  }),
}));

import { useAuthStore } from './auth-store';

function resetStore() {
  useAuthStore.setState({
    isAuthenticated: false,
    isLoading: false,
    email: null,
  });
}

describe('useAuthStore', () => {
  beforeEach(() => {
    vi.clearAllMocks();
    resetStore();
  });

  it('bootstrap sets authenticated when token exists', async () => {
    isAuthenticatedMock.mockReturnValue(true);
    getMeMock.mockResolvedValueOnce({ email: 'test@example.com' });
    await useAuthStore.getState().bootstrap();
    expect(useAuthStore.getState().isAuthenticated).toBe(true);
    expect(useAuthStore.getState().email).toBe('test@example.com');
  });

  it('bootstrap sets unauthenticated when no token', async () => {
    isAuthenticatedMock.mockReturnValue(false);
    await useAuthStore.getState().bootstrap();
    expect(useAuthStore.getState().isAuthenticated).toBe(false);
    expect(useAuthStore.getState().email).toBeNull();
  });

  it('bootstrap clears tokens on getMe failure', async () => {
    isAuthenticatedMock.mockReturnValue(true);
    getMeMock.mockRejectedValueOnce(new Error('expired'));
    await useAuthStore.getState().bootstrap();
    expect(clearTokensMock).toHaveBeenCalled();
    expect(useAuthStore.getState().isAuthenticated).toBe(false);
  });

  it('signIn sets authenticated on success', async () => {
    loginMock.mockResolvedValueOnce(undefined);
    const ok = await useAuthStore.getState().signIn('test@example.com', 'pass');
    expect(ok).toBe(true);
    expect(useAuthStore.getState().isAuthenticated).toBe(true);
    expect(useAuthStore.getState().email).toBe('test@example.com');
  });

  it('signIn returns false on failure', async () => {
    loginMock.mockRejectedValueOnce(new Error('bad credentials'));
    const ok = await useAuthStore.getState().signIn('bad@example.com', 'wrong');
    expect(ok).toBe(false);
    expect(useAuthStore.getState().isAuthenticated).toBe(false);
    expect(clearTokensMock).toHaveBeenCalled();
  });

  it('signOut clears state', () => {
    useAuthStore.setState({ isAuthenticated: true, email: 'test@example.com' });
    useAuthStore.getState().signOut();
    expect(useAuthStore.getState().isAuthenticated).toBe(false);
    expect(useAuthStore.getState().email).toBeNull();
    expect(clearTokensMock).toHaveBeenCalled();
  });
});