import tkinter as tk
import speech_recognition as sr
import pyttsx3
import wikipedia
import datetime

# Initialize the speech synthesizer
engine = pyttsx3.init()
engine.setProperty('rate', 150)  # Speech rate
engine.setProperty('volume', 0.9)  # Volume level

# Function for the bot to speak
def speak(text):
    engine.say(text)
    engine.runAndWait()

# Function to listen to the user
def listen():
    recognizer = sr.Recognizer()
    with sr.Microphone() as source:
        print("I'm listening...")
        recognizer.adjust_for_ambient_noise(source)  # Adjust for ambient noise
        try:
            audio = recognizer.listen(source, timeout=10)  # Limit the waiting time
            command = recognizer.recognize_google(audio, language="en-US")  # Process in English
            print(f"You said: {command}")
            return command.lower()
        except sr.UnknownValueError:
            speak("Sorry, I didn't understand. Can you repeat?")
            return None
        except sr.RequestError:
            speak("Error accessing the speech recognition service.")
            return None

# Main function to process commands
def process_command(command):
    if "time" in command:
        now = datetime.datetime.now().strftime("%H:%M")
        speak(f"The time is now {now}.")
    elif "wikipedia" in command:
        speak("What would you like to search on Wikipedia?")
        query = listen()
        if query:
            try:
                result = wikipedia.summary(query, sentences=2)
                speak(f"According to Wikipedia: {result}")
            except wikipedia.exceptions.PageError:
                speak("Sorry, I couldn't find any information on that.")
            except wikipedia.exceptions.DisambiguationError:
                speak("The term is ambiguous. Please be more specific.")
    elif "exit" in command:
        speak("Shutting down the system. Goodbye!")
        root.destroy()
    else:
        speak("Sorry, I can't process that command yet.")

# Function to start the assistant
def start_assistant():
    speak("Hello, I am your virtual assistant. How can I help you?")
    command = listen()
    if command:
        process_command(command)

# Create the GUI
root = tk.Tk()
root.title("Voice Assistant")
root.geometry("300x200")
root.configure(bg="#2B2B2B")

# Add a button to start the assistant
start_button = tk.Button(root, text="Start Assistant", command=start_assistant, bg="green", fg="white", font=("Helvetica", 14))
start_button.pack(pady=50)

# Run the GUI
root.mainloop()