from flask import session, flash
from .models import Sessions
from argon2 import PasswordHasher
import time

ph = PasswordHasher()

def digest(password):
    return ph.hash(password)

def verify(expected, given):
    try:
        return ph.verify(expected, given)
    except:
        return False

def is_logged_in():
    if "pyrom_session_key" not in session:
        return False
    sess = Sessions.find({"key": session["pyrom_session_key"]})
    if not sess:
        return False
    if sess.expires_at < int(time.time()):
        session.clear()
        sess.delete()
        # flash('Your session expired.;Please log in again.', InfoboxKind.INFO)
        return False
    return True