// Rendu headless de chaque écran, avec les données de démonstration
// préchargées, pour vérifier que la chaîne API → sélecteurs → rendu ne lève pas.
// Lancement : npx tsx --tsconfig tsconfig.app.json scripts/smoke.tsx
import { createElement } from 'react';
import { renderToString } from 'react-dom/server';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { RouterProvider, createMemoryRouter } from 'react-router-dom';

import { EDITION_ID, api } from '@/api';
import { queryKeys } from '@/api/hooks';
import { routes } from '@/app/router';

const paths = [
  '/grille',
  '/benevoles',
  '/publication',
  '/mobile-benevole',
  '/mobile-referent',
  '/configuration',
];

async function prefetch(client: QueryClient) {
  const e = EDITION_ID;
  await Promise.all([
    client.prefetchQuery({ queryKey: queryKeys.volunteers, queryFn: () => api.volunteers.list(e) }),
    client.prefetchQuery({ queryKey: queryKeys.positions, queryFn: () => api.positions.list(e) }),
    client.prefetchQuery({ queryKey: queryKeys.shifts(), queryFn: () => api.shifts.list(e) }),
    client.prefetchQuery({ queryKey: queryKeys.assignments(), queryFn: () => api.assignments.list(e) }),
    client.prefetchQuery({ queryKey: queryKeys.matrix, queryFn: () => api.matrix.get(e) }),
  ]);
}

async function checkMockApi() {
  const e = EDITION_ID;
  const [volunteers, positions, shifts, assignments, matrix] = await Promise.all([
    api.volunteers.list(e),
    api.positions.list(e),
    api.shifts.list(e),
    api.assignments.list(e),
    api.matrix.get(e),
  ]);

  const openShift = matrix.positions.flatMap((p) => p.shifts).find((s) => s.confirmed + s.proposed < s.min_staff);
  const candidate = volunteers.find(
    (v) => !assignments.some((a) => a.shift_id === openShift?.shift_id && a.volunteer_id === v.id),
  );
  const validation = openShift && candidate
    ? await api.assignments.validate(e, { volunteer_id: candidate.id, shift_id: openShift.shift_id })
    : { blocking: false, violations: [] };

  let dupError = 'none';
  const existing = assignments[0];
  try {
    await api.assignments.create(e, { volunteer_id: existing.volunteer_id, shift_id: existing.shift_id });
  } catch (err) {
    dupError = err instanceof Error ? err.message : String(err);
  }

  console.log(
    JSON.stringify(
      {
        volunteers: volunteers.length,
        positions: positions.length,
        shifts: shifts.length,
        assignments: assignments.length,
        matrixPositions: matrix.positions.length,
        matrixShifts: matrix.positions.reduce((n, p) => n + p.shifts.length, 0),
        sampleValidation: validation.violations.map((v) => v.code),
        duplicateCreateRejectedWith: dupError,
      },
      null,
      2,
    ),
  );
}

let failures = 0;

await checkMockApi().catch((err) => {
  failures += 1;
  console.error('FAIL checkMockApi', err);
});

for (const path of paths) {
  try {
    const client = new QueryClient({ defaultOptions: { queries: { retry: false } } });
    await prefetch(client);
    const router = createMemoryRouter(routes, { initialEntries: [path] });
    const html = renderToString(
      createElement(QueryClientProvider, { client }, createElement(RouterProvider, { router })),
    );
    console.log(`ok   ${path.padEnd(20)} ${html.length} octets`);
  } catch (error) {
    failures += 1;
    console.error(`FAIL ${path}`, error);
  }
}

process.exit(failures ? 1 : 0);