"""Security: password hashing + JWT."""
from __future__ import annotations

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

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

from app.config import settings

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


def hash_password(password: str) -> str:
    return _pwd_ctx.hash(password)


def verify_password(plain: str, hashed: str) -> bool:
    try:
        return _pwd_ctx.verify(plain, hashed)
    except Exception:
        return False


def create_access_token(subject: str, extra: dict[str, Any] | None = None) -> str:
    now = datetime.now(timezone.utc)
    payload = {
        "sub": subject,
        "iat": now,
        "exp": now + timedelta(minutes=settings.access_token_expire_minutes),
        "type": "access",
    }
    if extra:
        payload.update(extra)
    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)


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