// @vitest-environment jsdom

import '@testing-library/jest-dom/vitest';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { cleanup, render, screen, waitFor, within } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { HttpResponse, http } from 'msw';
import { setupServer } from 'msw/node';
import { afterAll, afterEach, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
import { createMemoryRouter, RouterProvider } from 'react-router-dom';
import { SettingsRoute } from '../../apps/dashboard/src/features/settings/settings-route.js';

const config = {
  rateLimit: { minDelayBetweenMessagesMs: 300_000, maxMessagesPerHour: 8, jitterMs: 60_000 },
  browser: { dryRun: true },
  reddit: { prioritizeRecentPosts: false, recentWindowMinutes: 60, maxReadyCandidates: 25, physiqueTargeting: { enabled: false, minScore: 1, maxScore: 10 } },
  subreddits: [{ name: 'casualconversation', type: 'chat', weight: 2, tone: 'default' }],
  tones: ['default', 'dominant', 'submissive', 'playful', 'direct', 'gentle', 'kink-friendly', 'teasing'],
};

function pushSettings(overrides: Record<string, unknown> = {}) {
  return {
    enabled: false,
    serverUrl: 'https://ntfy.sh',
    topic: '',
    priority: 'default',
    events: {
      imageReceived: true,
      replyReceived: false,
      messageFailed: false,
      botStopped: false,
      rateLimited: false,
      sessionExpired: true,
      syncFailed: false,
    },
    hasAuthToken: false,
    ...overrides,
  };
}

let settings = pushSettings();
let saved: unknown[] = [];

const server = setupServer(
  http.get('/api/config', () => HttpResponse.json(config)),
  http.get('/api/accounts', () => HttpResponse.json([])),
  http.get('/api/push-notifications', () => HttpResponse.json(settings)),
  http.put('/api/push-notifications', async ({ request }) => {
    const body = await request.json() as Record<string, unknown>;
    saved.push(body);
    settings = pushSettings({ ...body, events: { ...settings.events, ...(body.events as object) } });
    return HttpResponse.json(settings);
  }),
);

function renderSettings() {
  const queryClient = new QueryClient({
    defaultOptions: { queries: { retry: false }, mutations: { retry: false } },
  });
  const router = createMemoryRouter([{ path: '/settings', element: <SettingsRoute /> }], {
    initialEntries: ['/settings?section=notifications'],
  });
  return render(
    <QueryClientProvider client={queryClient}>
      <RouterProvider router={router} />
    </QueryClientProvider>,
  );
}

function panel() {
  return screen.getByRole('region', { name: 'Notifications' });
}

beforeAll(() => server.listen({ onUnhandledRequest: 'error' }));
beforeEach(() => {
  settings = pushSettings();
  saved = [];
});
afterEach(() => {
  cleanup();
  server.resetHandlers();
  vi.restoreAllMocks();
});
afterAll(() => server.close());

describe('push notification settings', () => {
  it('shows the notifications section with every selectable event', async () => {
    renderSettings();

    const section = await screen.findByRole('region', { name: 'Notifications' });
    expect(within(section).getByLabelText(/Server URL/)).toHaveValue('https://ntfy.sh');
    expect(within(section).getByRole('group', { name: /Events to notify me about \(2 of 7\)/ })).toBeInTheDocument();
    expect(within(section).getByRole('checkbox', { name: /Image received/ })).toBeChecked();
    expect(within(section).getByRole('checkbox', { name: /Reply received/ })).not.toBeChecked();
    expect(within(section).getByText(/No access token is configured/)).toBeInTheDocument();
  });

  it('saves the topic and event selection the operator picked', async () => {
    const user = userEvent.setup();
    renderSettings();
    await screen.findByRole('region', { name: 'Notifications' });

    await user.click(within(panel()).getByRole('checkbox', { name: /Send push notifications/ }));
    await user.type(within(panel()).getByLabelText(/Topic/), 'redditbot-7f3a9c21');
    await user.click(within(panel()).getByRole('checkbox', { name: /Reply received/ }));
    await user.click(within(panel()).getByRole('button', { name: /Save notifications/ }));

    await waitFor(() => expect(saved).toHaveLength(1));
    expect(saved[0]).toMatchObject({
      enabled: true,
      topic: 'redditbot-7f3a9c21',
      events: { imageReceived: true, replyReceived: true },
    });
    expect(await within(panel()).findByText('Notifications saved.')).toBeInTheDocument();
  });

  it('refuses to save an enabled configuration with no topic', async () => {
    const user = userEvent.setup();
    renderSettings();
    await screen.findByRole('region', { name: 'Notifications' });

    await user.click(within(panel()).getByRole('checkbox', { name: /Send push notifications/ }));
    await user.click(within(panel()).getByRole('button', { name: /Save notifications/ }));

    expect(within(panel()).getByText(/A topic is required/)).toBeInTheDocument();
    expect(saved).toHaveLength(0);
  });

  it('rejects a topic containing characters ntfy will not accept', async () => {
    const user = userEvent.setup();
    renderSettings();
    await screen.findByRole('region', { name: 'Notifications' });

    await user.type(within(panel()).getByLabelText(/Topic/), 'not a topic!');
    await user.click(within(panel()).getByRole('button', { name: /Save notifications/ }));

    expect(within(panel()).getByText(/only contain letters, numbers/)).toBeInTheDocument();
    expect(saved).toHaveLength(0);
  });

  it('sends a test notification and reports the delivery outcome', async () => {
    settings = pushSettings({ enabled: true, topic: 'redditbot-7f3a9c21' });
    server.use(http.post('/api/push-notifications/test', () => HttpResponse.json({
      delivered: false,
      reason: 'ntfy responded 403 Forbidden',
    })));
    const user = userEvent.setup();
    renderSettings();
    await screen.findByRole('region', { name: 'Notifications' });

    await user.click(within(panel()).getByRole('button', { name: /Send test/ }));

    expect(await within(panel()).findByText(/ntfy responded 403 Forbidden/)).toBeInTheDocument();
  });

  it('will not send a test until unsaved changes are saved', async () => {
    settings = pushSettings({ enabled: true, topic: 'redditbot-7f3a9c21' });
    const user = userEvent.setup();
    renderSettings();
    await screen.findByRole('region', { name: 'Notifications' });

    await user.click(within(panel()).getByRole('checkbox', { name: /Sync failed/ }));

    expect(within(panel()).getByRole('button', { name: /Send test/ })).toBeDisabled();
  });

  it('reports that an access token is configured without revealing it', async () => {
    settings = pushSettings({ hasAuthToken: true });
    renderSettings();

    const section = await screen.findByRole('region', { name: 'Notifications' });
    expect(within(section).getByText(/An access token is configured/)).toBeInTheDocument();
  });
});