import httpx
from sqlalchemy.ext.asyncio import AsyncSession

from app.models.notification_log import NotificationLog
from app.models.user import User

EXPO_PUSH_URL = "https://exp.host/--/api/v2/push/send"


async def send_push_notification(
    db: AsyncSession,
    user: User,
    title: str,
    body: str,
    notif_type: str,
    registration_id: str | None = None,
) -> None:
    delivery_status = "skipped"

    if user.expo_push_token:
        payload = {
            "to": user.expo_push_token,
            "title": title,
            "body": body,
            "data": {"type": notif_type, "registration_id": registration_id},
            "sound": "default",
        }
        try:
            async with httpx.AsyncClient(timeout=10.0) as client:
                response = await client.post(EXPO_PUSH_URL, json=payload)
            delivery_status = "sent" if response.status_code == 200 else "failed"
        except Exception:
            delivery_status = "failed"

    log = NotificationLog(
        user_id=user.id,
        registration_id=registration_id,
        type=notif_type,
        title=title,
        body=body,
        delivery_status=delivery_status,
    )
    db.add(log)
    await db.commit()