main.py

"""Launcher for SecureVoiceSystem GUIs.

Runs three independent GUI windows:
  - Sender: records and sends audio (encrypted or raw)
  - Middleman: intercepts, optionally modifies, and forwards
  - Receiver: receives and plays (decrypts if needed)

Uses a single mainloop with update() calls.
"""

import customtkinter as ctk
import sys
from gui.sender_gui import SenderGUI
from gui.middleman_gui import MiddlemanGUI
from gui.receiver_gui import ReceiverGUI


def main():
    """Launch all three GUIs using a single event loop."""
    ctk.set_appearance_mode("dark")
    ctk.set_default_color_theme("blue")
    
    print("[MAIN] Starting SecureVoiceSystem...")
    print("[MAIN] Launching Sender, Middleman, and Receiver GUIs")
    
    # Create GUI instances
    try:
        sender = SenderGUI()
        middleman = MiddlemanGUI()
        receiver = ReceiverGUI()
    except Exception as e:
        print(f"[ERROR] Failed to create GUIs: {e}")
        return
    
    # Position windows side-by-side
    sender.geometry("+50+50")
    middleman.geometry("+600+50")
    receiver.geometry("+1150+50")
    
    print("[MAIN] GUIs created successfully")
    print("[MAIN] Use Sender → Send to trigger Middleman and Receiver updates")
    
    # Import for event processing
    from logic import network_utils
    
    # Single event loop managing all windows
    while True:
        try:
            sender.update()
            
            # Process middleman events
            network_utils.process_middleman_events(middleman._handle_packet_intercepted)
            middleman.update()
            
            # Process receiver events
            network_utils.process_receiver_events(receiver)
            receiver.update()
        except Exception as e:
            print(f"[MAIN] Event loop error: {e}")
            break


if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\n[MAIN] Interrupted by user")
    except Exception as e:
        print(f"[MAIN] Fatal error: {e}")
        sys.exit(1)