import requests
import json
from datetime import datetime
from typing import List, Dict, Any, Optional

# Create a session object to reuse TCP connections
session = requests.Session()

def _make_api_request(
    method: str,
    base_url: str,
    auth: str,
    endpoint: str,
    payload: Optional[Dict[str, Any]] = None,
) -> Any:
    """
    A helper function to make API requests.

    Args:
        method: The HTTP method to use (e.g., 'GET', 'POST').
        base_url: The base URL of the API.
        auth: The authorization token.
        endpoint: The API endpoint to call.
        payload: The data to send with the request.

    Returns:
        The JSON response from the API.
    """
    url = f"{base_url}/{endpoint}"
    headers = {"Authorization": f"Basic {auth}"}
    try:
        response = session.request(method, url, headers=headers, data=payload)
        response.raise_for_status()
        return response
    except (requests.exceptions.RequestException, json.JSONDecodeError) as e:
        # Log the error for debugging purposes
        print(f"API request failed: {e}")
        return None


def get_urls(base_url: str, auth: str) -> List[Dict[str, Any]]:
    """Retrieves user account streams from the API."""
    response = _make_api_request("GET", base_url, auth, "getUserAccounts/streams")
    return response.json() if response else []


def get_user_accounts(base_url: str, auth: str) -> List[Dict[str, Any]]:
    """Retrieves user accounts from the API."""
    response = _make_api_request("GET", base_url, auth, "getUserAccounts")
    if not response:
        return []

    accounts = response.json()
    for account in accounts:
        account["expiaryDate_rendered"] = datetime.utcfromtimestamp(
            account["expiaryDate"]
        ).strftime("%d/%m/%Y")
    return accounts


def delete_user_account(base_url: str, auth: str, stream: str, username: str) -> bool:
    """Deletes a user account via the API."""
    payload = {"stream": stream, "user": username}
    response = _make_api_request(
        "POST", base_url, auth, "deleteAccount", payload=payload
    )
    return response and "Deleted" in response.text


def add_user_account(
    base_url: str, auth: str, username: str, password: str, stream: str
) -> bool:
    """Adds a user account via the API."""
    payload = {"username": username, "password": password, "stream": stream}
    response = _make_api_request(
        "POST", base_url, auth, "addAccount", payload=payload
    )
    return response and response.status_code == 200


def get_stream_names(base_url: str, auth: str) -> List[str]:
    """Retrieves a list of stream names from the API."""
    response = _make_api_request("GET", base_url, auth, "getStreamNames")
    return response.json() if response else []