import logging

import requests
from requests.auth import HTTPBasicAuth
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.permissions import AllowAny
from rest_framework.request import Request
from rest_framework.response import Response
from django.conf import settings

from labs.labs_core import stateless_functions as stateless
from labs.api.serializers.cert import (
    TLMSCallbackSerializer,
)
from labs.certificate.tlms import sync_tlms_certificates_for_user

logger = logging.getLogger(__name__)


TLMS_API_BASE_URL = "https://edu.pingcap.com/"


def get_tlms_user_info(user_id: str):
    url = f"{TLMS_API_BASE_URL}/api/v1/users/id:{user_id}"
    response = requests.get(url, auth=HTTPBasicAuth(settings.TLMS_API_KEY, ""))
    return response.json()


class TLMSCallbackEndpoint(APIView):
    permission_classes = (AllowAny,)

    def get(self, request: Request) -> Response:
        serializer = TLMSCallbackSerializer(data=request.query_params)
        serializer.is_valid(raise_exception=True)
        user = serializer.validated_data.get("user")
        course = serializer.validated_data.get("course")

        user_info = get_tlms_user_info(user)
        stateless.learner_exam_complete_handler(user_info, course)
        sync_tlms_certificates_for_user(user_info)
        return Response({"message": "Callback received"})