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

vi.mock('$api', () => {
	const state = { authed: false, username: 'demo' };
	return {
		setUnauthorizedHandler: vi.fn(),
		authApi: {
			session: vi.fn(async () => ({ isAuthenticated: state.authed })),
			whoami: vi.fn(async () => ({ username: state.username, is_staff: false })),
			login: vi.fn(async () => {
				state.authed = true;
				state.username = 'demo';
				return { detail: 'ok' };
			}),
			logout: vi.fn(async () => {
				state.authed = false;
				state.username = 'demo';
			}),
			register: vi.fn(async (u: string) => {
				state.authed = true;
				state.username = u;
				return { detail: 'ok' };
			})
		}
	};
});
vi.mock('$app/navigation', () => ({ goto: vi.fn() }));

import { get } from 'svelte/store';
import { authStore } from '$auth';

beforeEach(() => authStore.logout());

describe('authStore', () => {
	it('starts unknown then resolves anonymous', async () => {
		const s = await authStore.refresh();
		expect(s.status).toBe('anonymous');
		expect(get(authStore).username).toBeNull();
	});

	it('becomes authenticated after login', async () => {
		await authStore.login('demo', 'demo');
		const s = get(authStore);
		expect(s.status).toBe('authenticated');
		expect(s.username).toBe('demo');
		expect(s.isStaff).toBe(false);
	});

	it('registers, auto-logs-in, and exposes the new username', async () => {
		await authStore.register('newbie', 'newbie@example.com', 's3curePass!');
		const s = get(authStore);
		expect(s.status).toBe('authenticated');
		expect(s.username).toBe('newbie');
	});
});