import { renderHook, waitFor } from '@testing-library/react';
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { useNodeStatus } from './useNodeStatus';
import { getNodeStatus } from '../../api';

vi.mock('../../api', () => ({ getNodeStatus: vi.fn() }));

describe('useNodeStatus', () => {
    beforeEach(() => vi.clearAllMocks());

    it('fetches node status on mount', async () => {
        getNodeStatus.mockResolvedValue({ redis_ok: true, workers: [], links: [] });
        const { result } = renderHook(() => useNodeStatus(100000));
        await waitFor(() => expect(result.current.data).toBeTruthy());
        expect(result.current.data.redis_ok).toBe(true);
        expect(result.current.loading).toBe(false);
        expect(result.current.error).toBeNull();
    });

    it('captures fetch error', async () => {
        getNodeStatus.mockRejectedValue(new Error('boom'));
        const { result } = renderHook(() => useNodeStatus(100000));
        await waitFor(() => expect(result.current.error).toBeTruthy());
        expect(result.current.error.message).toBe('boom');
    });
});