#!/usr/bin/env python
# -*- coding: utf-8 -*-

import datetime
import json
from typing import Any, Union

import jwt
from passlib.context import CryptContext

from core.config import settings

ALGORITHM: str = "HS256"

pwd_context = CryptContext(schemes=["bcrypt"],
                           deprecated="auto",
                           bcrypt__default_rounds=8)


async def create_token(subject: Union[str, Any],
                       expires_delta: datetime.timedelta = None) -> str:
    if expires_delta:
        expire = datetime.datetime.now() + expires_delta
    else:
        expire = datetime.datetime.now() + datetime.timedelta(
            minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encoded = {"exp": expire, "sub": json.dumps(subject)}
    encoded_jwt = jwt.encode(to_encoded,
                             settings.SECRET_KEY,
                             algorithm=ALGORITHM)
    return encoded_jwt


async def verify_password(plain_password: str, hashed_password: str):
    return pwd_context.verify(plain_password, hashed_password)


def hashed_password(password: str) -> str:
    return pwd_context.hash(password)