from datetime import datetime, timedelta, timezone
from typing import Any, Dict, Optional

from jose import JWTError, jwt
from passlib.context import CryptContext

from ..config import settings

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


def verify_password(plain_password: str, hashed_password: str) -> bool:
    return pwd_context.verify(plain_password, hashed_password)


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


def create_access_token(data: Dict[str, Any], expires_delta: Optional[timedelta] = None) -> str:
    to_encode = data.copy()
    expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.jwt_expire_minutes))
    to_encode.update({"exp": expire})
    return jwt.encode(to_encode, settings.jwt_secret, algorithm=settings.jwt_algorithm)


def decode_token(token: str) -> Dict[str, Any]:
    try:
        payload = jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_algorithm])
        return payload
    except JWTError as exc:
        raise ValueError("Invalid token") from exc