from argon2 import PasswordHasher
import db
from models import User
import logging
#Logging

logging.basicConfig(
    filename='auth/user.log',  # Log to a file
    level=logging.DEBUG,  # Log everything (DEBUG and above)
    format='%(asctime)s %(levelname)s %(message)s'
)

logging.info('Application started')
try:
    logging.debug('Debug info here')
except Exception as e:
    logging.exception('An error occurred')

session = db.session

def create_user(username, password, role):
    user = username
    passwd = PasswordHasher().hash(password)
    new_item = User(username=user, password=passwd, role=role)

def check_login(username, password):
    result = session.query(User.password).filter_by(username=username).first()
    hash_passwd = result[0] if result else None
    valid = False
    try:
        valid = PasswordHasher().verify(hash_passwd, password)
        if valid == True:
            return valid
    except Exception as e:
        logging.error(e)
        return False

def delete_user(username, password):
    result = session.query(User.password).filter_by(username=username).first()
    hash_password = result[0] if result else None
    valid = False
    try:
        valid = PasswordHasher().verify(hash_password, password)
    except Exception as e:
        logging.error(e)
    if valid == True:
        try:
            session.query(User).filter_by(username=username).delete()
            session.commit()
            logging.info(f"User {username} was successfully deleted")
        except Exception as e:
            logging.error(e)

def check_username(username):
    try:
        exists = session.query(User).filter_by(username=username).first() is not None
        return exists  # True if taken, False if available
    except db.IntegrityError as e:
        if e.errno == 1062:
            logging.error("Username taken")
            return True #If the username is not available it returns True

def get_role(username):
    result = session.query(User.role).filter_by(username=username).first()
    return result[0] if result else None