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

import bcrypt
from jose import jwt

from app.core.config import settings


def hash_password(password: str) -> str:
    return bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")


def verify_password(plain_password: str, hashed_password: str) -> bool:
    return bcrypt.checkpw(plain_password.encode("utf-8"), hashed_password.encode("utf-8"))


def create_access_token(subject: Any, session_version: int = 0) -> str:
    expires_delta = timedelta(minutes=settings.access_token_expire_minutes)
    expire = datetime.now(timezone.utc) + expires_delta
    to_encode = {
        "exp": expire,
        "sub": str(subject),
        "sv": session_version,
        "iss": settings.jwt_issuer,
        "aud": settings.jwt_audience,
    }
    return jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)


def decode_access_token(token: str) -> dict[str, Any]:
    return jwt.decode(
        token,
        settings.secret_key,
        algorithms=[settings.algorithm],
        issuer=settings.jwt_issuer,
        audience=settings.jwt_audience,
    )