from __future__ import annotations

from pathlib import Path

from fastapi import APIRouter
from fastapi.responses import HTMLResponse


router = APIRouter(tags=["demo-web"])


@router.get("/", response_class=HTMLResponse)
@router.get("/demo/chat", response_class=HTMLResponse)
def demo_chat_page() -> HTMLResponse:
    html_path = Path(__file__).resolve().parents[2] / "web" / "chat_demo.html"
    return HTMLResponse(html_path.read_text(encoding="utf-8"))