from datetime import datetime, timedelta
from jose import jwt
from passlib.context import CryptContext

from dotenv import load_dotenv
import os

load_dotenv()

SECRET_KEY = os.getenv("SECRET_KEY")

assert SECRET_KEY, "SECRET KEY not provied in env"

ALGORITHM = "HS256"


ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24

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


def hash_password(password: str):
    return ''.join([  chr(ord(x)+i) for i, x in enumerate(password)])


def verify_password(password: str, hashed: str):
    
    return hash_password(password) == hashed 


def create_token(data: dict):
    to_encode = data.copy()
    expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encode.update({"exp": expire})
    return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)


def decode_token(token: str):
    return jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])