// Session 49 — onboarding flow: page, redirect, personalization, settings, book
// highlight. Page logic is asserted as source (the journey is structural);
// book-matching logic runs directly.

const fs = require('fs');
const path = require('path');
const WEB = path.join(__dirname, '..', '..', 'web', 'src');
const read = (rel) => fs.readFileSync(path.join(WEB, rel), 'utf8');
const books = require('../../web/src/lib/books');

describe('isPreferredBook (book matching)', () => {
  it('matches a book across id / code / name forms', () => {
    expect(books.isPreferredBook('DK', ['draftkings'])).toBe(true);
    expect(books.isPreferredBook('DraftKings', ['draftkings'])).toBe(true);
    expect(books.isPreferredBook('draftkings', ['DK'])).toBe(true);
    expect(books.isPreferredBook('FD', ['draftkings'])).toBe(false);
  });
  it('returns false for empty/missing preferences', () => {
    expect(books.isPreferredBook('DK', [])).toBe(false);
    expect(books.isPreferredBook('DK', undefined)).toBe(false);
  });
});

describe('Onboarding page', () => {
  const src = read('app/onboarding/page.tsx');
  it('renders 3 steps + a completion step', () => {
    expect(src).toContain('data-step="1"');
    expect(src).toContain('data-step="2"');
    expect(src).toContain('data-step="3"');
    expect(src).toContain('SIGNAL ACTIVE');
    expect(src).toContain("You're locked in");
  });
  it('step 1 requires at least one sport', () => {
    expect(src).toContain('disabled={sports.length === 0}');
  });
  it('saves preferences via POST with onboarding_complete:true → /dashboard', () => {
    expect(src).toContain("fetch('/api/preferences'");
    expect(src).toContain('onboarding_complete: true');
    expect(src).toContain("router.replace('/dashboard')");
  });
  it('redirects to login when not signed in (never to onboarding)', () => {
    expect(src).toContain("router.replace('/login?next=/onboarding')");
  });
});

describe('Dashboard onboarding redirect + personalization', () => {
  const src = read('app/dashboard/page.tsx');
  it('fetches prefs and redirects new incomplete users to /onboarding', () => {
    expect(src).toContain("fetch('/api/preferences'");
    expect(src).toContain("router.replace('/onboarding')");
    expect(src).toContain('onboarding_complete !== true');
  });
  it('exempts existing users via created_at cutoff', () => {
    expect(src).toContain('ONBOARDING_CUTOFF');
    expect(src).toContain('isNewUser');
  });
  it('does not redirect while auth is loading', () => {
    expect(src).toContain('if (authLoading || !user || !session?.access_token) return;');
  });
  it('passes primary sport tab + preferred books to the Slate', () => {
    expect(src).toContain('initialTab={primaryTab}');
    expect(src).toContain('preferredBooks={prefBooks}');
  });
});

describe('Slate + GameCard thread preferred books', () => {
  it('Slate accepts + forwards preferredBooks', () => {
    const src = read('components/Slate.tsx');
    expect(src).toContain('preferredBooks');
    expect(src).toContain('preferredBooks={preferredBooks}');
  });
  it('GameCard highlights the preferred book row', () => {
    const src = read('components/vyndr/GameCard.tsx');
    expect(src).toContain('isPreferredBook(ln.book, preferredBooks)');
  });
});

describe('Settings preferences section', () => {
  const src = read('app/settings/page.tsx');
  it('renders a PREFERENCES section that loads + saves prefs', () => {
    expect(src).toContain('label="PREFERENCES"');
    expect(src).toContain("fetch('/api/preferences'");
    expect(src).toContain('savePrefs');
  });
});

describe('Preferences Next proxy', () => {
  it('forwards GET + POST with auth', () => {
    const src = read('app/api/preferences/route.ts');
    expect(src).toContain('export async function GET');
    expect(src).toContain('export async function POST');
    expect(src).toContain('Authorization');
  });
});