import assert from 'node:assert/strict';
import test from 'node:test';
import fs from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import { randomBytes, pbkdf2Sync, createCipheriv, createHmac } from 'node:crypto';
import { isSuppressed, reachedHalf, suppressionDuration } from '../src/utils/drawer-preference.ts';
import { serviceInquiryCopy } from '../src/data/service-inquiry.ts';
import { decryptPortalStream, encryptPortalStream, validatePortalPayload, portalAlgorithm } from '../src/utils/portal-crypto.mjs';
import { collectResource, resourceReferences, rewriteResources } from './portal-resources.mjs';
import { isFormACompletion } from '../src/utils/jotform-completion.ts';
import { portalLinkPresentation } from '../src/utils/portal-presentation.ts';

test('completion envelope requires exact origin, active frame window and string Form A ID', () => {
  const source = {};
  const check = (event, frame, active) => isFormACompletion(event, frame, active,
    'https://form.jotform.com/262946078314059?formContext=consultation&language=en');
  const data = { action: 'submission-completed', formID: '262946078314059' };
  const event = { origin: 'https://form.jotform.com', source, data };
  assert.equal(check(event, source, true), true);
  assert.equal(check({ ...event, data: JSON.stringify(data) }, source, true), true);
  for (const change of [
    { origin: 'https://form.jotform.com.evil.invalid' }, { origin: 'null' }, { origin: 'http://form.jotform.com' },
    { source: {} }, { source: null }, { data: { ...data, formID: 'other' } },
    { data: { ...data, formID: 262946078314059 } }, { data: { ...data, action: 'load' } },
    { data: '{broken' }, { data: [] }, { data: null }, { data: 'x'.repeat(4097) },
  ]) assert.equal(check({ ...event, ...change }, source, true), false);
  assert.equal(check(event, source, false), false);
  assert.equal(check(event, null, true), false);
  assert.equal(isFormACompletion(event, source, true, undefined), false);
  assert.equal(isFormACompletion(event, source, true, 'broken'), false);
});

test('portal presentation translates only explicit button tokens/brand fills and contact protocols', () => {
  assert.equal(portalLinkPresentation(['hs-button', 'untrusted'], '', 'https:'), 'portal-resource-button');
  assert.equal(portalLinkPresentation([], 'rgb(255, 189, 89)', 'https:'), 'portal-resource-button');
  assert.equal(portalLinkPresentation(['arbitrary'], 'url(https://example.invalid)', 'https:'), undefined);
  assert.equal(portalLinkPresentation([], '', 'mailto:'), 'portal-contact-link');
  assert.equal(portalLinkPresentation([], '', 'tel:'), 'portal-contact-link');
});

test('global preference validates expiry, corrupted values and clock anomalies', () => {
  const now = 10000000000;
  for (const raw of [null, '', 'NaN', '-1', '1.5', 'Infinity', String(now), String(now - 1), String(now + suppressionDuration + 1)]) assert.equal(isSuppressed(raw, now), false);
  assert.equal(isSuppressed(String(now + suppressionDuration), now), true);
  assert.equal(isSuppressed(String(now + 1), now), true);
});
test('half-scroll handles short, restored, resized and overscrolled pages', () => {
  assert.equal(reachedHalf(0, 500, 800), false);
  assert.equal(reachedHalf(100, 800, 800), false);
  assert.equal(reachedHalf(499, 1800, 800), false);
  assert.equal(reachedHalf(500, 1800, 800), true);
  assert.equal(reachedHalf(-10, 1800, 800), false);
  assert.equal(reachedHalf(500, 2800, 800), false);
});
test('four service configurations are bilingual without adding an Academy route', async () => {
  assert.equal(Object.keys(serviceInquiryCopy).length, 4);
  for (const variants of Object.values(serviceInquiryCopy)) for (const copy of Object.values(variants)) {
    assert.ok(copy.heading && copy.introduction); assert.ok(!copy.introduction.includes('—'));
  }
  const { formAConsultationTestPlacements } = await import('../src/utils/form-integration.ts');
  assert.equal(formAConsultationTestPlacements.length, 9);
  assert.ok(!formAConsultationTestPlacements.some((p) => p.route.includes('preparatory')));
});
test('legacy independent crypto fixture and two-view separation round-trip', async () => {
  const pass = randomBytes(32).toString('base64'), other = randomBytes(32).toString('base64');
  const salt = randomBytes(16), iv = randomBytes(16), keys = pbkdf2Sync(pass, salt, 200000, 64, 'sha256');
  const cipher = createCipheriv('aes-256-cbc', keys.subarray(0, 32), iv);
  const ct = Buffer.concat([cipher.update('<h2>Synthetic staff</h2>'), cipher.final()]);
  const mac = createHmac('sha256', keys.subarray(32)).update(Buffer.concat([iv, ct])).digest();
  const stream = { id: 'synthetic-staff', iter: 200000, salt: salt.toString('base64'), iv: iv.toString('base64'), hmac: mac.toString('base64'), ct: ct.toString('base64') };
  const second = await encryptPortalStream('synthetic-management', '<h2>Synthetic management</h2>', other);
  validatePortalPayload({ alg: portalAlgorithm, streams: [stream, second] });
  assert.equal(await decryptPortalStream(stream, pass), '<h2>Synthetic staff</h2>');
  assert.equal(await decryptPortalStream(second, pass), null);
  assert.equal(await decryptPortalStream(stream, other), null);
  assert.equal(await decryptPortalStream(second, other), '<h2>Synthetic management</h2>');
  assert.equal(await decryptPortalStream({ ...stream, hmac: randomBytes(32).toString('base64') }, pass), null);
  assert.throws(() => validatePortalPayload({ alg: portalAlgorithm, streams: [stream, stream] }));
});
test('resource extraction reconciles duplicate views and rewrites only approved implemented links', () => {
  const html = '<h2>Synthetic</h2><a href="/hubfs/example.pdf">Example</a><a href="/hubfs/example.pdf">Again</a><a href="https://unapproved.invalid/form">Other</a>';
  const refs = resourceReferences(html, 'synthetic');
  assert.equal(refs.length, 2); assert.equal(new Set(refs.map((r) => r.sourceUrl)).size, 1);
  const record = { references: refs, rewriteApproved: true, destinationImplemented: true, destinationVerified: true, deliveryPath: '/staff-resources/example.pdf', classification: 'STAFF-INTERNAL' };
  assert.throws(() => rewriteResources(html, [record]));
  const result = rewriteResources(html, [{ ...record, destinationAccessControlled: true }]);
  assert.equal(result.count, 2); assert.ok(result.html.includes('>Again</a>')); assert.ok(result.html.includes('https://unapproved.invalid/form'));
  assert.equal(rewriteResources(html, []).html, html);
});
test('private collector validates binary, reuses hash, rejects errors and unapproved redirects', async () => {
  const dir = await fs.mkdtemp(path.join(os.tmpdir(), 'aia-private-test-'));
  try {
    const resource = { sourceUrl: 'https://www.azinstitute4autism.com/hubfs/synthetic.pdf' };
    const good = await collectResource(resource, dir, undefined, async () => new Response('%PDF-1.7\nSynthetic', { headers: { 'content-type': 'application/pdf' } }));
    assert.equal(good.downloadStatus, 'downloaded');
    const again = await collectResource(good, dir, undefined, () => { throw new Error('must not fetch'); });
    assert.equal(again.downloadStatus, 'verified-existing');
    await assert.rejects(collectResource(resource, dir, undefined, async () => new Response('<html>Error</html>', { headers: { 'content-type': 'application/pdf' } })));
    await assert.rejects(collectResource(resource, dir, undefined, async () => new Response('', { status: 302, headers: { location: 'https://unapproved.invalid/hubfs/file' } })));
  } finally { await fs.rm(dir, { recursive: true }); }
});

test('portal input requires every local gate and rejects missing or malformed ciphertext', async () => {
  const { readPortalInput } = await import('../src/utils/portal-input.mjs');
  const dir = await fs.mkdtemp(path.join(os.tmpdir(), 'aia-portal-input-'));
  try {
    const pass = randomBytes(24).toString('base64');
    const streams = await Promise.all(['one','two'].map((id) => encryptPortalStream(id, '<p>Synthetic</p>', pass)));
    const file = path.join(dir, 'fixture.json'); await fs.writeFile(file, JSON.stringify({ alg: portalAlgorithm, streams }), { mode: 0o600 });
    const options = { approved: 'true', indexing: 'false', environment: 'isolated-test', file };
    assert.ok(readPortalInput(options));
    for (const changed of [{ approved: undefined }, { approved: 'false' }, { indexing: 'true' }, { indexing: undefined }, { environment: 'production' }, { file: '/missing-fixture' }]) assert.equal(readPortalInput({ ...options, ...changed }), undefined);
    await fs.writeFile(file, '<h1>Not encrypted</h1>'); assert.equal(readPortalInput(options), undefined);
  } finally { await fs.rm(dir, { recursive: true }); }
});