"""
Generate a minimal, SEO-friendly landing page HTML for Yield domains.
The content comes from LLM-generated config stored on YieldDomain.
No placeholders or demo content: if required fields are missing, caller should error.
"""
from __future__ import annotations
from html import escape
from app.models.yield_domain import YieldDomain
def render_yield_landing_html(*, yield_domain: YieldDomain, cta_url: str) -> str:
headline = (yield_domain.landing_headline or "").strip()
intro = (yield_domain.landing_intro or "").strip()
cta_label = (yield_domain.landing_cta_label or "").strip()
if not headline or not intro or not cta_label:
raise ValueError("Yield landing config missing (headline/intro/cta_label)")
# Simple premium dark theme, fast to render, readable.
# Important: CTA must point to cta_url (which will record the click + redirect).
return f"""
{escape(headline)}
"""