// wf-storefront.jsx — Screen 3: Create storefront (PUC-4/5/7). A/B + states.
const { Screen: FScreen, Wordmark: FWordmark, TopBar: FTopBar, AccountChip: FAccountChip,
  Field: FField, Banner: FBanner, AuthCard: FAuthCard, StateBlock: FStateBlock,
  WF_T: FT, WF_DS: FDS } = window;
const { Button: FButton, Soul: FSoul, Eyebrow: FEyebrow } = FDS;

function CreateForm({ s = {} }) {
  return (
    <>
      <div>
        <FEyebrow style={{ margin: '0 0 12px' }}>One storefront, fully yours</FEyebrow>
        <h1 style={{ fontFamily: FT.disp, fontWeight: 700, letterSpacing: '-0.015em', fontSize: 26, color: FT.star, margin: '0 0 8px', lineHeight: 1.1 }}>Create your storefront</h1>
        <p style={{ fontFamily: FT.body, fontSize: 14.5, lineHeight: 1.5, color: FT.soft, margin: 0 }}>
          This is the one thing to do right now. Nothing here costs anything or commits you to anything.
        </p>
      </div>
      {s.alreadyOwns && <FBanner title="Your account already has its storefront">
        ecomm is one storefront per account today. <a href="#" style={{ color: FT.lilac, textDecoration: 'none' }}>Go to your admin →</a>
      </FBanner>}
      <FField label="Storefront name" optional
        placeholder="e.g. Studio Fern" value={s.name}
        helper="You can leave this blank — we'll pick a placeholder name you can change later." />
      {s.blankPreview && (
        <div style={{ display: 'flex', alignItems: 'center', gap: 9, marginTop: -6, fontFamily: FT.body, fontSize: 13, color: FT.mute }}>
          <span aria-hidden="true" style={{ color: FT.lilac }}>◇</span>
          Saves as <span style={{ color: FT.soft, fontStyle: 'italic', fontFamily: FT.body }}>“mara's storefront”</span> — change it any time.
        </div>
      )}
      <FButton variant="primary" href="#" disabled={s.creating}>
        {s.creating ? 'Creating…' : 'Create storefront'}
      </FButton>
    </>
  );
}

// ── Direction A — centered card ────────────────────────────────────────────
function CreateA({ device = 'desktop', s = {} }) {
  const desktop = device === 'desktop';
  return (
    <FScreen starfield>
      <FTopBar pad={desktop ? '0 32px' : '0 18px'} left={<FWordmark size={desktop ? 24 : 21} />}
        right={desktop ? <FAccountChip /> : <SignOutMini />} />
      <div style={{ flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center', padding: desktop ? 32 : 18 }}>
        <FAuthCard width={desktop ? 440 : '100%'}><CreateForm s={s} /></FAuthCard>
      </div>
    </FScreen>
  );
}

// ── Direction B — split (the frame begins to form) ─────────────────────────
function CreateB({ device = 'desktop', s = {} }) {
  const desktop = device === 'desktop';
  if (!desktop) {
    return (
      <FScreen>
        <div style={{ background: `${window.WF_STARFIELD}, var(--wv-night)`, borderBottom: `1px solid ${FT.hair}`, padding: '20px 22px', display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
          <FWordmark size={21} />
          <SignOutMini />
        </div>
        <div style={{ flex: 1, padding: '24px 22px', display: 'flex', flexDirection: 'column', gap: 20, justifyContent: 'center' }}>
          <CreateForm s={s} />
        </div>
      </FScreen>
    );
  }
  return (
    <FScreen style={{ flexDirection: 'row' }}>
      <aside style={{ flex: '0 0 44%', background: `${window.WF_STARFIELD}, var(--wv-night)`, borderRight: `1px solid ${FT.hair}`, padding: '40px 46px', display: 'flex', flexDirection: 'column', justifyContent: 'space-between', overflow: 'hidden' }}>
        <FWordmark size={26} />
        <div style={{ maxWidth: 360 }}>
          <FSoul size="lg" tone="gold" as="p">Build the<br />dictionary first.</FSoul>
          <p style={{ fontFamily: FT.body, fontSize: 14.5, lineHeight: 1.6, color: FT.mute, marginTop: 20 }}>
            One storefront, claimed by you. The frame you see now is the one your catalog, orders and settings will live in.
          </p>
        </div>
        <FAccountChip />
      </aside>
      <div style={{ flex: 1, display: 'flex', alignItems: 'center', justifyContent: 'center', padding: '0 64px' }}>
        <div style={{ width: '100%', maxWidth: 420, display: 'flex', flexDirection: 'column', gap: 20 }}>
          <CreateForm s={s} />
        </div>
      </div>
    </FScreen>
  );
}

function SignOutMini() {
  return <button style={{ fontFamily: FT.disp, fontWeight: 500, fontSize: 13, color: FT.star, background: 'transparent', border: 'none', cursor: 'pointer', padding: 0 }}>Sign out</button>;
}

// ── States stack ───────────────────────────────────────────────────────────
function CreateStates() {
  return (
    <div style={{ display: 'flex', flexDirection: 'column', gap: 22 }}>
      <FStateBlock label="Blank name" note="allowed → default generated">
        <div style={{ display: 'flex', flexDirection: 'column', gap: 12 }}>
          <FField label="Storefront name" optional placeholder="e.g. Studio Fern"
            helper="Leave blank and we'll name it for you." />
          <div style={{ display: 'flex', alignItems: 'center', gap: 9, fontFamily: FT.body, fontSize: 13, color: FT.mute }}>
            <span aria-hidden="true" style={{ color: FT.lilac }}>◇</span>
            Saves as <span style={{ color: FT.soft, fontStyle: 'italic' }}>“mara's storefront”</span>
          </div>
        </div>
      </FStateBlock>
      <FStateBlock label="Creating" note="button busy">
        <FButton variant="primary" href="#" disabled>Creating…</FButton>
      </FStateBlock>
      <FStateBlock label="Already owns one" note="409 · defense in depth (PUC-7)">
        <FBanner title="Your account already has its storefront">
          ecomm is one storefront per account today. <a href="#" style={{ color: FT.lilac, textDecoration: 'none' }}>Go to your admin →</a>
        </FBanner>
      </FStateBlock>
    </div>
  );
}

Object.assign(window, { CreateA, CreateB, CreateStates });