from dotenv import load_dotenv
from os import getenv
import requests

load_dotenv()

TURNSTILE_SECRET = getenv("CLOUDFLARE_TURNSTILE_SECRET").encode("utf-8")


# https://developers.cloudflare.com/turnstile/get-started/server-side-validation/, modified
# returns response if success, returns None if unsuccessful.
def validate_turnstile(token, remoteip=None) -> tuple:
    url = 'https://challenges.cloudflare.com/turnstile/v0/siteverify'

    data = {
        'secret': TURNSTILE_SECRET,
        'response': token
    }

    if remoteip:
        data['remoteip'] = remoteip

    try:
        response = requests.post(url, data=data, timeout=10)
        response.raise_for_status()
        return response.json()
    except requests.RequestException as e:
        print(f"Turnstile validation error: {e}")
        return None