import { test, expect, type APIRequestContext } from '../../../../../job-tracker-ui/node_modules/@playwright/test';

const api = 'http://localhost:5302/api';
const password = 'E2ePassword123!';
async function login(request: APIRequestContext, email: string) {
  expect((await request.post(`${api}/auth/login`, { data: { email, password } })).status()).toBe(200);
  const me = await (await request.get(`${api}/auth/me`)).json();
  const csrf = (await request.storageState()).cookies.find(cookie => cookie.name === 'XSRF-TOKEN')!.value;
  return { 'X-CSRF-TOKEN': csrf, 'X-Session-Context': me.sessionContext as string };
}

test('Finite 250-job dashboard load and edits preserve report request counts', async ({ page, playwright }, info) => {
  test.setTimeout(120000);
  const admin = await playwright.request.newContext();
  try {
    const adminHeaders = await login(admin, 'e2e@example.test');
    const email = `p8-performance-${Date.now()}@example.test`;
    expect((await admin.post(`${api}/users`, { headers: adminHeaders, data: { email, password, roles: [] } })).status()).toBe(200);
    const headers = await login(page.request, email);
    const company = await page.request.post(`${api}/companies`, { headers, data: { name: 'Finite dashboard performance fixture' } });
    expect(company.status()).toBe(201);
    const companyId = (await company.json()).id;
    for (let index = 0; index < 250; index++) {
      expect((await page.request.post(`${api}/jobapplications`, { headers, data: { companyId, jobTitle: `Dashboard ${index}`, status: 'Applied', dateApplied: new Date().toISOString(), tags: 'TypeScript', salaryMin: 600000, salaryMax: 850000, salaryCurrency: 'NOK', salaryPeriod: 'year' } })).status()).toBe(201);
    }
    await page.route('**/*', route => ['localhost', '127.0.0.1'].includes(new URL(route.request().url()).hostname) ? route.continue() : route.abort());
    const reports = ['stats', 'analytics-overview', 'reminders', 'analytics', 'tags', 'tag-trends'];
    const counts: Record<string, number> = {};
    page.on('request', request => {
      const name = new URL(request.url()).pathname.replace('/api/jobapplications/', '');
      if (request.method() === 'GET' && reports.includes(name)) counts[name] = (counts[name] ?? 0) + 1;
    });
    const observations = [];
    for (const width of [1440, 320]) {
      await page.setViewportSize({ width, height: 900 });
      const beforeLoad = { ...counts };
      const started = Date.now();
      await page.goto('/dashboard');
      await expect(page.getByRole('link', { name: 'Tracked jobs: 250', exact: true })).toBeVisible();
      await expect(page.locator('[data-dashboard-widget]')).toHaveCount(9);
      // The existing shell badge and dashboard independently read reminders on entry.
      await expect.poll(() => reports.every(name => counts[name] === (beforeLoad[name] ?? 0) + (name === 'reminders' ? 2 : 1))).toBe(true);
      const loadMs = Date.now() - started;
      const beforeEdits = { ...counts };
      await page.getByRole('button', { name: 'Customize dashboard', exact: true }).click();
      const editor = page.getByRole('region', { name: 'Editing dashboard', exact: true });
      const editStarted = Date.now();
      await editor.getByRole('checkbox', { name: 'Job tags', exact: true }).uncheck();
      await editor.getByRole('checkbox', { name: 'Job tags', exact: true }).check();
      const row = editor.locator('[data-layout-row="funnel"]');
      await row.locator('select').selectOption(width === 1440 ? 'full' : 'standard');
      await row.getByRole('button', { name: /earlier/ }).click();
      const editMs = Date.now() - editStarted;
      const saveStarted = Date.now();
      const write = page.waitForResponse(response => response.url() === `${api}/auth/preferences/dashboard` && response.request().method() === 'PUT');
      await editor.getByRole('button', { name: 'Save layout', exact: true }).click();
      expect((await write).status()).toBe(200);
      await expect(editor).toHaveCount(0);
      expect(counts).toEqual(beforeEdits);
      observations.push({ width, fixtureJobs: 250, loadMs, editSequenceMs: editMs, acknowledgedSaveMs: Date.now() - saveStarted,
        reportRequests: Object.fromEntries(reports.map(name => [name, counts[name] - (beforeLoad[name] ?? 0)])),
        renderer: await page.evaluate(() => ({ domElements: document.querySelectorAll('*').length,
          heapBytes: (performance as Performance & { memory?: { usedJSHeapSize: number } }).memory?.usedJSHeapSize ?? null })) });
    }
    await info.attach('finite-dashboard-performance', { body: JSON.stringify({ observations,
      limitation: 'Two local unthrottled Chromium viewport observations; no Phase7 timing comparison, capacity/SLA, physical mobile resource or sustained drag-frame guarantee.' }, null, 2), contentType: 'application/json' });
  } finally { await admin.dispose(); }
});