import requests
import json
from typing import Union, List
from django.conf import settings
import time
import logging

logger = logging.getLogger('services')

class ProofyEmailVerifier:
    BASE_URL = "https://api.proofy.io"

    def __init__(self):
        self.PROOFY_USER_ID = settings.PROOFY_USER_ID
        self.PROOFY_API_KEY = settings.PROOFY_API_KEY

    def initiate_bulk_verification(self, input_data: List[str]) -> str:
        """
        Initiates the bulk email verification process.
        Returns the 'cid' to track the verification process.
        """
        if not isinstance(input_data, list):
            raise ValueError("Input data must be a list of email addresses.")

        response = requests.post(
            f"{self.BASE_URL}/verifylist",
            params={"aid": self.PROOFY_USER_ID, "key": self.PROOFY_API_KEY},
            data=json.dumps(input_data),
            headers={"Content-Type": "application/json"},
        )

        if response.status_code == 200:
            cid = response.json().get("cid")
            logger.info(f"Bulk email verification initiated successfully. CID: {cid}")
            return cid
        else:
            logger.error(f"Error initiating bulk email verification: {response.text}")
            raise ValueError("Error initiating bulk email verification: " + response.text)

    def fetch_bulk_verification_results(self, cid: str) -> List[dict]:
        """
        Fetches the results of bulk email verification using the provided 'cid'.
        Returns the verification results or a message if not yet complete.
        """
        response = requests.get(
            f"{self.BASE_URL}/getlistresult",
            params={"aid": self.PROOFY_USER_ID, "key": self.PROOFY_API_KEY, "cid": cid},
        )

        if response.status_code == 200:
            data = response.json()
            if data.get("checked"):
                logger.info(f"Verification results for CID {cid}: {data.get('result')}")
                return data.get("result", [])
            else:
                logger.warning(f"Verification not yet complete for CID {cid}.")
                return [{"message": "Check not yet complete. Please retry later."}]
        else:
            logger.error(f"Error retrieving results for CID {cid}: {response.text}")
            raise ValueError("Error retrieving check result: " + response.text)