from datetime import datetime, timedelta
from jose import JWTError, jwt
from passlib.context import CryptContext
from app.core.config import settings

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

def create_access_token(data: dict, expires_delta: timedelta = None):
    """Create JWT access token"""
    to_encode = data.copy()
    if expires_delta:
        expire = datetime.utcnow() + expires_delta
    else:
        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
    to_encode.update({"exp": expire})
    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
    return encoded_jwt

def verify_token(token: str):
    """Verify JWT token"""
    try:
        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
        return True
    except JWTError:
        return False

def get_password_hash(password: str):
    """Hash password"""
    return pwd_context.hash(password)

def verify_password(plain_password: str, hashed_password: str):
    """Verify password against hash"""
    return pwd_context.verify(plain_password, hashed_password)