import httpx
import logging
from typing import Optional
from schemas import NormalizedVitals
from config import settings

logger = logging.getLogger(__name__)

async def forward_vitals_to_api(vitals: NormalizedVitals) -> bool:
    """
    Attempts to POST the normalized vitals to the configured target API.
    Returns True if successful, False otherwise.
    """
    url = settings.target_api_url
    headers = {"Content-Type": "application/json"}
    
    if settings.api_token:
        headers["Authorization"] = f"Bearer {settings.api_token}"

    try:
        async with httpx.AsyncClient(timeout=10.0) as client:
            response = await client.post(
                url,
                json=vitals.model_dump(mode="json"),
                headers=headers
            )
            response.raise_for_status()
            logger.info(f"Successfully forwarded vitals for device {vitals.device_id}")
            return True
            
    except httpx.HTTPStatusError as e:
        logger.error(f"API returned HTTP {e.response.status_code}: {e.response.text}")
    except httpx.RequestError as e:
        logger.error(f"Request to API failed: {e}")
    except Exception as e:
        logger.error(f"Unexpected error forwarding to API: {e}")

    return False