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screens/settings_screen.py

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+import kivy
+from kivy.app import App
+from kivy.uix.screenmanager import ScreenManager, Screen
+import os
+import json
+from kivy.clock import Clock
+from kivy.properties import StringProperty, ListProperty
+from utils import (
+    generate_key, load_key, encrypt_data, decrypt_data,
+    check_server_settings, save_server_settings,
+    test_connection, get_devices_from_server, save_route_to_file, fetch_positions_for_selected_day
+)
+from datetime import date
+from kivy.uix.popup import Popup
+from kivy.uix.gridlayout import GridLayout
+from kivy.uix.button import Button
+from kivy.uix.label import Label
+from kivy.uix.boxlayout import BoxLayout
+from threading import Thread
+from kivy.clock import mainthread
+from kivy.uix.image import Image
+from kivy.uix.behaviors import ButtonBehavior
+from kivy.uix.progressbar import ProgressBar
+import webbrowser
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from PIL import Image
+import time
+from config import RESOURCES_FOLDER, CREDENTIALS_FILE
+
+class SettingsScreen(Screen):
+    server_response = "Waiting to test connection..."
+
+    def on_pre_enter(self):
+        settings = check_server_settings()
+        if settings:
+            self.ids.server_url_input.text = settings.get("server_url", "")
+            self.ids.username_input.text = settings.get("username", "")
+            self.ids.password_input.text = settings.get("password", "")
+            self.ids.token_input.text = settings.get("token", "")
+        else:
+            self.ids.server_url_input.text = ""
+            self.ids.username_input.text = ""
+            self.ids.password_input.text = ""
+            self.ids.token_input.text = ""
+
+    def test_connection(self):
+        server_url = self.ids.server_url_input.text.strip()
+        username = self.ids.username_input.text.strip()
+        password = self.ids.password_input.text.strip()
+        token = self.ids.token_input.text.strip()
+        result = test_connection(server_url, username, password, token)
+        self.server_response = result["message"]
+        self.ids.result_label.text = self.server_response
+
+    def save_settings(self):
+        server_url = self.ids.server_url_input.text.strip()
+        username = self.ids.username_input.text.strip()
+        password = self.ids.password_input.text.strip()
+        token = self.ids.token_input.text.strip()
+        if not server_url or not username or not password or not token:
+            self.ids.result_label.text = "Please fill in all fields."
+            return
+        settings_data = {
+            "server_url": server_url,
+            "username": username,
+            "password": password,
+            "token": token,
+        }
+        try:
+            save_server_settings(settings_data)
+            self.ids.result_label.text = "Settings saved successfully!"
+            self.manager.current = "home"
+        except Exception as e:
+            self.ids.result_label.text = f"Failed to save settings: {str(e)}"
+# get trip from server screen
+
+
+
+# trhis screen is used to create a new user
+# register screen 
+class RegisterScreen(Screen):
+    def create_user(self):
+        """Handle user creation."""
+        username = self.ids.set_username_input.text.strip()
+        password = self.ids.set_password_input.text.strip()
+        confirm_password = self.ids.confirm_password_input.text.strip()
+        email = self.ids.set_email_input.text.strip()
+
+        if not username or not password or not confirm_password or not email:
+            self.ids.result_label.text = "Please fill in all fields."
+            return
+
+        if password != confirm_password:
+            self.ids.result_label.text = "Passwords do not match."
+            return
+
+        # Check if the username or email already exists
+        if self.user_exists(username, email):
+            self.ids.result_label.text = "User or email already exists."
+            return
+
+        # Save user data (encrypted)
+        user_data = {
+            "username": username,
+            "password": password,
+            "email": email,
+        }
+        encrypted_data = encrypt_data(json.dumps(user_data))
+
+        try:
+            with open(CREDENTIALS_FILE, "ab") as file:  # Append encrypted data
+                file.write(encrypted_data + b"\n")  # Add a newline for separation
+        except Exception as e:
+            self.ids.result_label.text = f"Failed to save user: {str(e)}"
+            return
+
+        self.ids.result_label.text = "User created successfully!"
+        # Navigate back to the login screen
+        self.manager.current = "login"
+    def user_exists(self, username, email):
+        """Check if a username or email already exists in the credentials.enc file."""
+        try:
+            with open(CREDENTIALS_FILE, "rb") as file:
+                for line in file:
+                    decrypted_data = decrypt_data(line.strip())
+                    user = json.loads(decrypted_data)
+                    if user["username"] == username or user["email"] == email:
+                        return True
+        except FileNotFoundError:
+            pass
+        except Exception as e:
+            self.ids.result_label.text = f"Error checking user: {str(e)}"
+        return False