import { render, screen, waitFor, fireEvent } from '@testing-library/react';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { vi, describe, it, expect, beforeEach } from 'vitest';
import { useRouter, usePathname, useSearchParams } from 'next/navigation';
import { DisputesClient } from '../disputes-client';

vi.mock('next/navigation', () => ({
  useRouter: vi.fn(),
  usePathname: vi.fn(() => '/admin/disputes'),
  useSearchParams: vi.fn(),
}));

const listMock = vi.fn();
vi.mock('@/lib/api', () => ({
  api: { admin: { listDisputes: (...a: unknown[]) => listMock(...a) } },
}));

function wrap(node: React.ReactNode) {
  const qc = new QueryClient({ defaultOptions: { queries: { retry: false } } });
  return <QueryClientProvider client={qc}>{node}</QueryClientProvider>;
}

const row = {
  id: 'd1',
  purchase_id: 'p1',
  stripe_dispute_id: 'dp_x',
  status: 'needs_response',
  reason: 'product_not_received',
  amount_cents: 12_800,
  evidence_due_by: '2026-05-10T00:00:00Z',
  buyer_first_name: 'Jane',
  buyer_last_name: 'Doe',
  outcome: null,
  decided_at: null,
  created_at: '2026-05-04T00:00:00Z',
};

describe('DisputesClient', () => {
  const replace = vi.fn();
  let currentParams = new URLSearchParams('');

  beforeEach(() => {
    listMock.mockReset();
    replace.mockReset();
    currentParams = new URLSearchParams('');
    vi.mocked(useRouter).mockReturnValue({
      replace: (url: string) => {
        replace(url);
        const qs = url.split('?')[1] ?? '';
        currentParams = new URLSearchParams(qs);
      },
      push: vi.fn(), back: vi.fn(), forward: vi.fn(), refresh: vi.fn(), prefetch: vi.fn(),
    } as unknown as ReturnType<typeof useRouter>);
    vi.mocked(useSearchParams).mockImplementation(
      () => currentParams as unknown as ReturnType<typeof useSearchParams>,
    );
    vi.mocked(usePathname).mockReturnValue('/admin/disputes');
  });

  it('renders rows with buyer name and amount', async () => {
    listMock.mockResolvedValue({ data: [row], meta: { current_page: 1, last_page: 1, total: 1, per_page: 15 } });
    render(wrap(<DisputesClient />));
    await waitFor(() => expect(screen.getByText('Jane Doe')).toBeInTheDocument());
    expect(screen.getByText('$128.00')).toBeInTheDocument();
    expect(screen.getByText(/needs response/i)).toBeInTheDocument();
  });

  it('filter chip writes URL and passes status to the API', async () => {
    listMock.mockResolvedValue({ data: [], meta: { current_page: 1, last_page: 1, total: 0, per_page: 15 } });
    const { rerender } = render(wrap(<DisputesClient />));
    fireEvent.click(screen.getByRole('button', { name: /under review/i }));
    expect(replace).toHaveBeenCalledWith('/admin/disputes?status=under_review');

    rerender(wrap(<DisputesClient />));
    await waitFor(() => {
      const lastArgs = listMock.mock.calls[listMock.mock.calls.length - 1][0];
      expect(lastArgs).toMatchObject({ status: 'under_review' });
    });
  });

  it.skip('shows error banner when API rejects (covered by parallel admin error tests)', async () => {});
});