from kivy.uix.screenmanager import Screen
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
from kivy.uix.button import Button
from kivy.uix.popup import Popup
from kivy.uix.image import Image
from kivy.uix.behaviors import ButtonBehavior
from kivy.clock import Clock
import os
import json
from config import RESOURCES_FOLDER, CREDENTIALS_FILE
from utils import encrypt_data, decrypt_data, check_server_settings, save_server_settings, test_connection


class LoginScreen(Screen):
    def login(self):
        username = self.ids.username_input.text.strip()
        password = self.ids.username_input.text.strip()

        if not username or not password:
            self.manager.get_screen("home").ids.result_label.text = "Please fill in all fields."
            return

        credentials = {"username": username, "password": password}
        encrypted_data = encrypt_data(json.dumps(credentials))
        with open(CREDENTIALS_FILE, "wb") as file:
            file.write(encrypted_data)

        self.manager.current = "home"