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

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

from app.core.config import get_settings

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


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(subject: str, extra: Optional[dict[str, Any]] = None) -> str:
    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.access_token_expire_minutes)
    payload = {"sub": subject, "exp": expire, "type": "access"}
    if extra:
        payload.update(extra)
    return jwt.encode(payload, settings.secret_key, algorithm="HS256")


def create_refresh_token(subject: str) -> str:
    expire = datetime.now(timezone.utc) + timedelta(days=settings.refresh_token_expire_days)
    payload = {"sub": subject, "exp": expire, "type": "refresh"}
    return jwt.encode(payload, settings.secret_key, algorithm="HS256")


def decode_token(token: str) -> dict[str, Any]:
    return jwt.decode(token, settings.secret_key, algorithms=["HS256"])