session.py

import json
import base64
import globals
from encryptor import Decrypt

def iniciar_sesion(usuario_entry, contrasena_entry, update_error_message, main_view_instance):
    # Obtener datos del usuario y contraseña
    user = usuario_entry.get()
    contrasena = contrasena_entry.get()
    isUser = False
    isPass = False
  
    # Leer el archivo JSON que contiene la información de los usuarios
    with open('./users.json', 'r') as f:
        data = json.load(f)
        
        if user in data:
            isUser = True
            encrypted_message_string = data[user]['password']
            
            if encrypted_message_string == contrasena:
                isPass = True
                main_view_instance.reset_incorrect_password_count()  # Reset the incorrect password count on successful login
            else:
                main_view_instance.incorrect_password_count += 1  # Increment the incorrect password count  

            if not isUser:
                update_error_message('Usuario no registrado')
            else:
                update_error_message('')  # Clear the error message or hide it

                if not isPass and main_view_instance.incorrect_password_count >= 3:
                    #UserStatus(user, False)
                    update_error_message('Usuario bloqueado')
                elif not isPass:
                    update_error_message('Contraseña incorrecta')
                else:
                    if data[user]['confirm'] == True:
                        globals.user_session = user
                        if data[user]['tipo'] == "alumn":
                            return 1
                        elif data[user]['tipo'] == "cat":
                            return 2
                        elif data[user]['tipo'] == "admin":
                            return 3