#!/usr/bin/env python
from main import app
from app.models import User

from sqlalchemy.exc import SQLAlchemyError

import sys
from getpass import getpass

with app.app_context():
    try: users = User.query.all()
    except SQLAlchemyError as exception:
        sys.exit('Database error:', exception)
    print('')
    print('This interface will allow you to override the password for an administrator account.')
    print('To exit this interface, press Ctrl + C.')
    print('')
    while True:
        username = input('Username: ')
        user = None
        for _user in users:
            if _user.get_username() == username:
                user = _user
                break
        if not user:
            print(f'Error: User \'{username}\' does not exist.')
            continue
        else: break
    while True:
        email = input('Email address: ')
        if not email == user.get_email():
            print(f'Error: Incorrect email address for user \'{username}\'.')
            continue
        else: break
    print('')
    print('Authenticated using username and email address.')
    print('Update the password for the account below.')
    print('')
    while True:
        password = getpass('Enter password: ')
        if len(password) < 6 or len(password) > 20:
            print(f'Error: Password must be between 6 and 20 characters long.')
        reenter_password = getpass('Reenter password: ')
        if not password == reenter_password:
            print(f'Error: Entered passwords do not match.')
            continue
        else: break
    success, message = user.update(password=password)
    if not success:
        sys.exit(message)
    print('')
    print(f'Success: Password for user \'{username}\' has been updated.')