import os
from pathlib import Path
from jose import JWTError, jwt
from datetime import datetime, timedelta
from dotenv import load_dotenv

from app.logging_utils import get_logger

load_dotenv(Path(__file__).resolve().parent / ".env")
load_dotenv()
logger = get_logger(__name__)

SECRET_KEY = os.getenv("JWT_SECRET_KEY", "change-me")
ALGORITHM = "HS256"
ACCESS_TOKEN_EXPIRE_MINUTES = 600


def create_access_token(data: dict):
    to_encode = data.copy()

    expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encode.update({"exp": expire})

    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
    return encoded_jwt


def verify_token(token: str):
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        logger.info("A user token was verified successfully for user %s.", payload.get("user_id"))
        return payload
    except JWTError as e:
        logger.warning("Token verification failed. Error: %s.", str(e))
        return None