import serial import threading import ttkbootstrap as ttk # Modern UI Library from tkinter import messagebox, StringVar from pymongo import MongoClient from datetime import datetime # MongoDB Setup client = MongoClient("replace with your mongodb uri") db = client["toll_system"] users_collection = db["users"] log_collection = db["logs"] # Constants SERIAL_PORT = "replace with serial port name" # Adjust based on your system BAUD_RATE = 9600 TOLL_AMOUNT = 50 # Fixed toll fee # Setup Serial ser = serial.Serial(SERIAL_PORT, BAUD_RATE, timeout=1) # Tkinter Setup (Modern UI) root = ttk.Window(themename="darkly") root.title("Smart Toll System") root.geometry("750x500") # Notebook (Tabs) notebook = ttk.Notebook(root) notebook.pack(expand=True, fill="both") # Home Frame (Status + Recharge Input) home_frame = ttk.Frame(notebook, padding=20) notebook.add(home_frame, text="🏠 Home") status_label = ttk.Label(home_frame, text="Waiting for users...", font=("Arial", 14, "bold")) status_label.pack(pady=10) uid_label = ttk.Label(home_frame, text="", font=("Arial", 12)) uid_label.pack(pady=5) # Recharge Section (Initially Hidden) recharge_frame = ttk.Frame(home_frame) recharge_label = ttk.Label(recharge_frame, text="Enter Recharge Amount:", font=("Arial", 12)) recharge_entry = ttk.Entry(recharge_frame, font=("Arial", 12)) vehicle_label = ttk.Label(recharge_frame, text="Vehicle Number:", font=("Arial", 12)) vehicle_entry = ttk.Entry(recharge_frame, font=("Arial", 12)) confirm_button = ttk.Button(recharge_frame, text="Confirm") # Log Section (Global Logs) log_frame = ttk.Frame(notebook, padding=10) notebook.add(log_frame, text="📜 Logs") log_text = ttk.Text(log_frame, height=15, width=75, wrap="word", font=("Consolas", 10)) log_text.pack(pady=10) # User Logs Section user_log_frame = ttk.Frame(notebook, padding=10) notebook.add(user_log_frame, text="🚗 Vehicle Logs") vehicle_var = StringVar() vehicle_dropdown = ttk.Combobox(user_log_frame, textvariable=vehicle_var, font=("Arial", 12)) vehicle_dropdown.pack(pady=5) load_user_logs_button = ttk.Button(user_log_frame, text="Load Logs", command=lambda: load_user_logs(vehicle_var.get())) load_user_logs_button.pack(pady=5) user_log_text = ttk.Text(user_log_frame, height=15, width=75, wrap="word", font=("Consolas", 10)) user_log_text.pack(pady=10) # Function to update logs def update_log(uid, vehicle, message): log_entry = {"time": datetime.now(), "event": message} log_collection.insert_one(log_entry) users_collection.update_one( {"uid": uid}, {"$push": {"logs": log_entry}} ) load_logs() # Handle UID Processing def process_uid(uid): root.after(0, lambda: handle_uid(uid)) def handle_uid(uid): status_label.config(text="Checking database...") uid_label.config(text=f"UID: {uid}") user = users_collection.find_one({"uid": uid}) if user: balance = user["balance"] vehicle = user["vehicle"] if balance >= TOLL_AMOUNT: new_balance = balance - TOLL_AMOUNT users_collection.update_one({"uid": uid}, {"$set": {"balance": new_balance}}) update_log(uid, vehicle, f"✅ {vehicle} ({uid}) passed. New balance: {new_balance}") send_to_arduino(new_balance) status_label.config(text=f"Vehicle ID:{vehicle} \nBalance: {new_balance}") root.after(2000, reset_home_screen) else: show_recharge_ui(uid, vehicle, balance, new_user=False) else: show_recharge_ui(uid, None, 0, new_user=True) # Show Recharge UI (Dynamic for New Users) def show_recharge_ui(uid, vehicle, balance, new_user=False): recharge_entry.delete(0, "end") # Clear previous input recharge_frame.pack(pady=10) # Remove vehicle fields if not needed for widget in recharge_frame.winfo_children(): widget.pack_forget() # Recharge label & entry recharge_label.pack(side="top", pady=2) recharge_entry.pack(side="top", pady=2) if new_user: vehicle_entry.delete(0, "end") # Clear vehicle entry field vehicle_label.pack(side="top", pady=2) vehicle_entry.pack(side="top", pady=2) status_label.config(text=f"🆕 New User: {uid}. Enter Vehicle Number & Recharge:") else: status_label.config(text=f"⚠ Low Balance for: {vehicle}") confirm_button.pack(side="top", pady=5) confirm_button.config(command=lambda: process_recharge(uid, vehicle, balance, new_user)) # Process Recharge def process_recharge(uid, vehicle, balance, new_user=False): try: amount = int(recharge_entry.get()) new_balance = amount if new_user else balance + amount new_balance -= TOLL_AMOUNT if new_user: vehicle = vehicle_entry.get().strip() if not vehicle: messagebox.showerror("Error", "Enter a valid vehicle number!") return users_collection.insert_one({"uid": uid, "vehicle": vehicle, "balance": new_balance, "logs": []}) update_log(uid, vehicle, f"🆕 New User {vehicle} ({uid}) created. Initial Balance: {new_balance}") else: users_collection.update_one({"uid": uid}, {"$set": {"balance": new_balance}}) update_log(uid, vehicle, f"💰 Recharge: {amount} for {vehicle} ({uid}). New Balance: {new_balance}") send_to_arduino(new_balance) status_label.config(text=f"Balance: {new_balance}") except ValueError: messagebox.showerror("Error", "Invalid input! Enter a valid amount.") recharge_frame.pack_forget() root.after(2000, reset_home_screen) # Reset Home Screen def reset_home_screen(): status_label.config(text="Waiting for users...") uid_label.config(text="") # Send balance to Arduino def send_to_arduino(balance): ser.write(str(balance).encode()) # Load user logs by vehicle number def load_user_logs(vehicle): user_log_text.delete("1.0", "end") user = users_collection.find_one({"vehicle": vehicle}) if user and "logs" in user: for log in user["logs"]: log_time = log["time"].strftime("%H:%M:%S") log_event = log["event"] user_log_text.insert("end", f"{log_time} - {log_event}\n") else: user_log_text.insert("end", "No logs available for this vehicle.\n") # Populate vehicle dropdown def load_vehicle_dropdown(): vehicles = users_collection.find({}, {"vehicle": 1}) vehicle_dropdown["values"] = [user["vehicle"] for user in vehicles] root.after(5000, load_vehicle_dropdown) # Serial Read Thread def serial_read(): while True: if ser.in_waiting: uid = ser.readline().decode().strip() if uid and uid != "System Ready...": process_uid(uid) def load_logs(): log_text.delete("1.0", "end") # Clear log text box # Fetch logs from MongoDB logs = log_collection.find().sort("time", -1) # Show latest first for log in logs: log_time = log["time"].strftime("%Y-%m-%d %H:%M:%S") log_event = log["event"] log_text.insert("end", f"{log_time} - {log_event}\n") log_text.yview_moveto(1) # Scroll to latest log threading.Thread(target=serial_read, daemon=True).start() # Initialize UI load_vehicle_dropdown() # Run GUI root.mainloop()