import { renderHook, waitFor, act } from '@testing-library/react';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { http, HttpResponse } from 'msw';
import { createElement } from 'react';
import { describe, expect, it, vi } from 'vitest';
import { server } from '@/mocks/server';
import { API_BASE } from '@/features/auth/mocks/fixtures';
import { useAddCmsInstance } from './useAddCmsInstance';

function createWrapper() {
    const queryClient = new QueryClient({
        defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
    });
    return ({ children }: { children: React.ReactNode }) =>
        createElement(QueryClientProvider, { client: queryClient }, children);
}

const CMS_URL = `${API_BASE}/api/v1/CmsInstances`;

describe('useAddCmsInstance', () => {
    it('returns created instance on success', async () => {
        const { result } = renderHook(() => useAddCmsInstance(), { wrapper: createWrapper() });

        await act(async () => {
            await result.current.mutateAsync({
                name: 'Test CMS',
                url: 'http://test.example.com',
                apiKey: 'secret',
            });
        });

        await waitFor(() => expect(result.current.isSuccess).toBe(true));
        expect(result.current.data?.name).toBe('Test CMS');
    });

    it('calls onError callback on HTTP 400', async () => {
        server.use(http.post(CMS_URL, () => HttpResponse.json({}, { status: 400 })));

        const onError = vi.fn();
        const { result } = renderHook(() => useAddCmsInstance({ onError }), {
            wrapper: createWrapper(),
        });

        await act(async () => {
            try {
                await result.current.mutateAsync({ name: 'X', url: 'http://x.com', apiKey: 'k' });
            } catch {
                // expected
            }
        });

        await waitFor(() => expect(onError).toHaveBeenCalled());
    });
});