// Session 50 — Parlay Lab UI: context behaviors + components (source-asserted,
// matching the repo's frontend test pattern) + legKey logic.

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('ParlayContext (Session 50 extensions)', () => {
  const src = read('contexts/ParlayContext.tsx');
  it('legs carry team/game/archetype for the correlation model', () => {
    expect(src).toContain('team?: string;');
    expect(src).toContain('game?: string;');
    expect(src).toContain('archetype?: string;');
  });
  it('addLeg dedupes by player|stat|line|direction and caps at maxLegs', () => {
    expect(src).toContain('legKey');
    expect(src).toContain('prev.length >= maxLegsRef.current');
  });
  it('auto-grades via /api/parlay/grade when legs >= 2', () => {
    expect(src).toContain("fetch('/api/parlay/grade'");
    expect(src).toContain('if (legs.length < 2)');
    expect(src).toContain('setCombined');
  });
  it('exposes combined/correlation/payout + tier cap', () => {
    for (const k of ['combined', 'correlation', 'payout', 'maxLegs', 'setMaxLegs', 'atCap', 'hasLeg']) {
      expect(src).toContain(k);
    }
  });
  it('removeLeg + clear reset state', () => {
    expect(src).toContain('const removeLeg');
    expect(src).toContain('const clear = useCallback(() => setLegs([])');
  });
});

describe('StatStrip "+" button', () => {
  const src = read('components/vyndr/StatStrip.tsx');
  it('renders an add/remove parlay button on graded props', () => {
    expect(src).toContain('onAddLeg');
    expect(src).toContain('isLegActive');
    expect(src).toContain('<ParlayBtn p={p} />');
    expect(src).toContain("active ? '✓' : '+'");
  });
});

describe('GameCard wires the "+" to the parlay', () => {
  const src = read('components/vyndr/GameCard.tsx');
  it('uses useParlay and builds a leg with team + game', () => {
    expect(src).toContain('useParlay');
    expect(src).toContain('stripHandlers');
    expect(src).toContain('game: gameId');
  });
  it('toggles the leg (add if absent, remove if present)', () => {
    expect(src).toContain('if (existing) removeLeg(existing.id); else addLeg(leg);');
  });
});

describe('GradeResultCard add-to-parlay (scan page)', () => {
  it('GradeResultCard has the Add to Parlay action', () => {
    expect(read('components/vyndr/GradeResultCard.tsx')).toContain('Add to Parlay');
  });
  it('scan page wires onAddToParlay → addLeg', () => {
    const src = read('app/scan/page.tsx');
    expect(src).toContain('onAddToParlay');
    expect(src).toContain('addLeg(');
  });
});

describe('ParlayPanel', () => {
  const src = read('components/vyndr/ParlayPanel.tsx');
  it('renders legs (player + grade), combined grade, correlation warning, payout', () => {
    expect(src).toContain('PARLAY LAB');
    expect(src).toContain('COMBINED GRADE');
    expect(src).toContain('correlation?.warning');
    expect(src).toContain('EST. PAYOUT');
  });
  it('floating badge with leg count when closed', () => {
    expect(src).toContain('Open Parlay Lab');
    expect(src).toContain('{legs.length}');
  });
  it('tier-gates: free blurs payout + caps at 2, desk/analyst full', () => {
    expect(src).toContain('TIER_MAX = { free: 2, analyst: 4, desk: 6 }');
    expect(src).toContain("filter: 'blur(6px)'");
    expect(src).toContain('__goPaywall');
    expect(src).toContain('setMaxLegs(tierMaxLegs');
  });
  it('CLEAR ALL resets the slip', () => {
    expect(src).toContain('CLEAR ALL');
    expect(src).toContain('onClick={clear}');
  });
  it('is mounted globally in the layout', () => {
    const layout = read('app/layout.tsx');
    expect(layout).toContain('<ParlayPanel />');
    expect(layout).not.toContain('<ParlayTray />');
  });
});