import httpx

from app.config import get_settings

settings = get_settings()


async def exchange_code_for_token(code: str) -> dict:
    async with httpx.AsyncClient() as client:
        resp = await client.post(
            f"{settings.sso_base_url}/oauth/token",
            data={
                "grant_type": "authorization_code",
                "code": code,
                "redirect_uri": settings.sso_redirect_uri,
                "client_id": settings.sso_client_id,
                "client_secret": settings.sso_client_secret,
            },
            headers={"Content-Type": "application/x-www-form-urlencoded"},
        )
        resp.raise_for_status()
        return resp.json()


async def fetch_sso_userinfo(access_token: str) -> dict:
    async with httpx.AsyncClient() as client:
        resp = await client.get(
            f"{settings.sso_base_url}/oauth/userinfo",
            headers={"Authorization": f"Bearer {access_token}"},
        )
        resp.raise_for_status()
        return resp.json()