// Vérifs headless : flux d'auth du mock + rendu de chaque écran.
// Lancement : npx tsx --tsconfig tsconfig.app.json scripts/smoke.tsx
import { createElement, type ReactNode } from 'react';
import { renderToString } from 'react-dom/server';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { MemoryRouter, RouterProvider, createMemoryRouter } from 'react-router-dom';

import {
  ApiError,
  DEMO_COORDINATOR_EMAIL,
  DEMO_COORDINATOR_PASSWORD,
  EDITION_ID,
  api,
  devMagicToken,
  setAuthToken,
} from '@/api';
import type { AccountRead } from '@/api/schema';
import { queryKeys } from '@/api/hooks';
import { AuthContext, AuthProvider, type AuthContextValue } from '@/auth/auth-context';
import { routes } from '@/app/router';
import { ConfigPage } from '@/pages/ConfigPage';
import { GrillePage } from '@/pages/GrillePage';
import { MobileLeadPage } from '@/pages/MobileLeadPage';
import { MobileVolunteerPage } from '@/pages/MobileVolunteerPage';
import { VolunteerViewPage } from '@/pages/VolunteerViewPage';

const e = EDITION_ID;
let failures = 0;
const fail = (label: string, err: unknown) => {
  failures += 1;
  console.error(`FAIL ${label}`, err);
};

let coordinator: AccountRead | null = null;
let volunteerAccount: AccountRead | null = null;
let leadAccount: AccountRead | null = null;
let coordinatorToken = '';

async function checkAuth() {
  let badRejected = 'non';
  try {
    await api.auth.login(e, { email: DEMO_COORDINATOR_EMAIL, password: 'faux' });
  } catch (err) {
    badRejected = err instanceof ApiError ? err.code : String(err);
  }

  const session = await api.auth.login(e, {
    email: DEMO_COORDINATOR_EMAIL,
    password: DEMO_COORDINATOR_PASSWORD,
  });
  coordinator = session.account;
  coordinatorToken = session.access_token;
  setAuthToken(coordinatorToken);
  const me = await api.auth.me();

  const vols = await api.volunteers.list(e);
  const volEmail = vols.find((v) => v.email)?.email ?? '';
  await api.auth.requestMagicLink(e, { email: volEmail });
  const raw = devMagicToken(volEmail);
  volunteerAccount = raw ? (await api.auth.verifyMagicLink(e, { token: raw })).account : null;

  await api.auth.requestMagicLink(e, { email: 'referent1@lessonsdautomne.fr' });
  const leadRaw = devMagicToken('referent1@lessonsdautomne.fr');
  leadAccount = leadRaw ? (await api.auth.verifyMagicLink(e, { token: leadRaw })).account : null;

  setAuthToken(coordinatorToken);
  console.log(
    JSON.stringify(
      {
        badPasswordRejectedWith: badRejected,
        loginRole: session.account.role,
        meRole: me.role,
        magicVolunteerRole: volunteerAccount?.role,
        magicVolunteerLinked: Boolean(volunteerAccount?.volunteer_id),
        magicLeadRole: leadAccount?.role,
      },
      null,
      2,
    ),
  );
}

async function prefetchCore(client: QueryClient) {
  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) }),
  ]);
}

function authValue(account: AccountRead): AuthContextValue {
  return {
    status: 'authed',
    account,
    loginWithPassword: async () => account,
    requestMagicLink: async () => {},
    verifyMagicLink: async () => account,
    logout: () => {},
  };
}

async function renderProtected(
  label: string,
  account: AccountRead,
  node: ReactNode,
  extra?: (client: QueryClient) => Promise<void>,
) {
  try {
    const client = new QueryClient({ defaultOptions: { queries: { retry: false } } });
    await prefetchCore(client);
    if (extra) await extra(client);
    const html = renderToString(
      createElement(
        QueryClientProvider,
        { client },
        createElement(
          AuthContext.Provider,
          { value: authValue(account) },
          createElement(MemoryRouter, null, node),
        ),
      ),
    );
    console.log(`ok   ${label.padEnd(26)} ${html.length} octets`);
  } catch (err) {
    fail(label, err);
  }
}

function renderPublic(path: string) {
  try {
    const client = new QueryClient();
    const router = createMemoryRouter(routes, { initialEntries: [path] });
    const html = renderToString(
      createElement(
        QueryClientProvider,
        { client },
        createElement(AuthProvider, null, createElement(RouterProvider, { router })),
      ),
    );
    console.log(`ok   ${path.padEnd(26)} ${html.length} octets`);
  } catch (err) {
    fail(path, err);
  }
}

// --------------------------------------------------------------------------- //
await checkAuth().catch((err) => fail('checkAuth', err));

renderPublic('/connexion');
renderPublic('/connexion/coordination');

if (coordinator) {
  setAuthToken(coordinatorToken);
  await renderProtected('/grille', coordinator, createElement(GrillePage));
  await renderProtected('/benevoles', coordinator, createElement(VolunteerViewPage));
  await renderProtected('/configuration', coordinator, createElement(ConfigPage));
}
if (volunteerAccount) {
  const vid = volunteerAccount.volunteer_id as string;
  await renderProtected(
    '/mobile-benevole',
    volunteerAccount,
    createElement(MobileVolunteerPage),
    async (client) => {
      await client.prefetchQuery({
        queryKey: queryKeys.assignments({ volunteerId: vid }),
        queryFn: () => api.assignments.list(e, { volunteerId: vid }),
      });
      await client.prefetchQuery({
        queryKey: ['volunteer', e, vid],
        queryFn: () => api.volunteers.get(e, vid),
      });
    },
  );
}
if (leadAccount) {
  await renderProtected('/mobile-referent', leadAccount, createElement(MobileLeadPage));
}

process.exit(failures ? 1 : 0);