from fastapi import Depends, HTTPException, status
from fastapi.security import APIKeyHeader

API_KEY = "your_api_key_here"  # Replace with a secure key or load from env
api_key_header = APIKeyHeader(name="X-API-Key")

def get_api_key(api_key: str = Depends(api_key_header)):
    if api_key != API_KEY:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Invalid or missing API Key",
        )
    return api_key