// Wave 4B — Parlay Lab page (/parlay). Source-asserts the dedicated builder:
// an independent (non-slate) leg source, useParlay/legKey wiring, the
// correlation-flag caution, and the tier-aware leg cap.

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');

describe('Parlay Lab page exists at /parlay', () => {
  it('the route file is present', () => {
    expect(fs.existsSync(path.join(WEB, 'app', 'parlay', 'page.tsx'))).toBe(true);
  });
});

describe('/parlay — independent leg source (not the live slate)', () => {
  const src = read('app/parlay/page.tsx');
  it('browses pre-graded props from /api/snapshot/:sport', () => {
    expect(src).toContain('/api/snapshot/');
  });
  it('resolves players via /api/players/search (per sport)', () => {
    expect(src).toContain('/api/players/search');
  });
  it('does NOT depend on the live Slate component', () => {
    expect(src).not.toContain("from '@/components/Slate'");
    expect(src).not.toContain('slateAdapter');
  });
  it('offers the three parlay sports', () => {
    for (const s of ['MLB', 'NBA', 'WNBA']) expect(src).toContain(s);
  });
});

describe('/parlay — assembles a slip via useParlay + legKey', () => {
  const src = read('app/parlay/page.tsx');
  it('imports useParlay and legKey', () => {
    expect(src).toContain('useParlay');
    expect(src).toContain('legKey');
  });
  it('adds legs through addLeg and dedupes/toggles by leg key', () => {
    expect(src).toContain('addLeg(');
    expect(src).toContain('hasLeg(');
    expect(src).toContain('removeLeg(');
  });
  it('renders the PARLAY SLIP with combined grade + correlation + payout from context', () => {
    expect(src).toContain('PARLAY SLIP');
    expect(src).toContain('combined');
    expect(src).toContain('correlation');
    expect(src).toContain('payout');
  });
});

describe('/parlay — correlation-flag caution', () => {
  const src = read('app/parlay/page.tsx');
  it('surfaces parlayService correlation warning as a caution flag', () => {
    expect(src).toContain('correlation?.warning');
    expect(src).toContain('CORRELATION FLAG');
  });
});

describe('/parlay — tier-aware leg cap + free upsell', () => {
  const src = read('app/parlay/page.tsx');
  it('drives the leg cap from the user tier (free 2 / analyst 4 / desk 6)', () => {
    expect(src).toContain('useAuth');
    expect(src).toContain('setMaxLegs');
    expect(src).toContain('free: 2');
    expect(src).toContain('desk: 6');
  });
  it('honors atCap and blurs the payout for free tier with the paywall upsell', () => {
    expect(src).toContain('atCap');
    expect(src).toContain('__goPaywall');
    expect(src).toContain("blur(");
  });
});

describe('/parlay is reachable (open route, not gated)', () => {
  const routes = require('../../web/src/lib/routes.js');
  it('is an OPEN route (free funnel, like scan/dashboard)', () => {
    expect(routes.OPEN_ROUTES).toContain('/parlay');
    expect(routes.isGatedRoute('/parlay')).toBe(false);
  });
});

describe('legacy ParlayTray is retired', () => {
  it('the dead component file is gone', () => {
    expect(fs.existsSync(path.join(WEB, 'components', 'ParlayTray.tsx'))).toBe(false);
  });
});