"""Helper functions for the integration."""

from homeassistant.components import http
from .views.loader import AsyncTemplateRenderer


def get_url(path: str) -> str:
    """Returns the requested path appended to the current request base URL."""
    if (req := http.current_request.get()) is None:
        raise RuntimeError("No current request in context")

    base_uri = str(req.url).split("/auth", 2)[0]
    return f"{base_uri}{path}"


async def get_view(template: str, parameters: dict | None = None) -> str:
    """Returns the generated HTML of the requested view."""
    if parameters is None:
        parameters = {}

    renderer = AsyncTemplateRenderer()
    return await renderer.render_template(f"{template}.html", **parameters)