from datetime import datetime, timedelta, timezone

import bcrypt
from jose import JWTError, jwt

from app.config import settings


def hash_password(password: str) -> str:
    return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()


def verify_password(plain: str, hashed: str) -> bool:
    return bcrypt.checkpw(plain.encode(), hashed.encode())


def create_access_token(data: dict) -> str:
    to_encode = data.copy()
    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encode.update({"exp": expire})
    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)


def decode_access_token(token: str) -> dict | None:
    try:
        return jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
    except JWTError:
        return None