#!/usr/bin/env python3
import socket
import struct
import time
import os
import tempfile
from datetime import datetime
from pynput import mouse
from PIL import ImageGrab

HOST_IP = "192.168.124.1"
HOST_PORT = 9999
client_socket = None
click_count = 0


def connect_to_server():
    """Connect to Windows host"""
    global client_socket
    while True:
        try:
            client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            client_socket.settimeout(5)
            client_socket.connect((HOST_IP, HOST_PORT))
            print("✓ Connected to server!")
            return
        except Exception as e:
            print(f"Connection failed. Retrying in 5 seconds...")
            time.sleep(5)


def send_click(x, y):
    """Send click data to server"""
    global client_socket
    try:
        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")[:-3]
        click_record = f"pg.click({x}, {y})  # {timestamp}"

        click_bytes = click_record.encode("utf-8")

        # Send: 'C' + length (2 bytes) + data
        message = b"C" + struct.pack("!H", len(click_bytes)) + click_bytes
        client_socket.sendall(message)

        print(f"Sent: {click_record}")
        return True

    except Exception as e:
        print(f"Error sending click: {e}")
        connect_to_server()
        return False


def send_screenshot(filename):
    """Send screenshot file to server"""
    global client_socket
    try:
        if not os.path.exists(filename):
            return False

        file_size = os.path.getsize(filename)
        basename = os.path.basename(filename)
        basename_bytes = basename.encode("utf-8")

        # Send: 'S' + fname_len (1 byte) + filename + file_size (4 bytes) + file_data
        message = b"S" + struct.pack("!B", len(basename_bytes)) + basename_bytes
        client_socket.sendall(message)

        # Send file size
        client_socket.sendall(struct.pack("!I", file_size))

        # Send file content
        with open(filename, "rb") as f:
            while True:
                chunk = f.read(8192)
                if not chunk:
                    break
                client_socket.sendall(chunk)

        print(f"Screenshot sent: {basename}")
        return True

    except Exception as e:
        print(f"Error sending screenshot: {e}")
        connect_to_server()
        return False


def take_and_send_screenshot():
    """Take screenshot and send to server"""
    global click_count
    try:
        click_count += 1

        # Use temp directory to avoid permission issues
        temp_dir = tempfile.gettempdir()
        filename = os.path.join(temp_dir, f"vm_{click_count}.png")

        print("Taking screenshot...")
        img = ImageGrab.grab()
        img.save(filename)

        send_screenshot(filename)

        # Clean up local file
        try:
            os.remove(filename)
        except:
            pass

    except Exception as e:
        print(f"Screenshot error: {e}")


def on_click(x, y, button, pressed):
    """Mouse click callback"""
    if pressed and button.name == "left":
        send_click(x, y)
        take_and_send_screenshot()


def main():
    print("=" * 60)
    print("Click Recorder Client (Ubuntu VM)")
    print("=" * 60)
    print(f"Connecting to {HOST_IP}:{HOST_PORT}...\n")

    connect_to_server()

    print("Recording clicks... Press Ctrl+C to stop\n")

    listener = mouse.Listener(on_click=on_click)
    listener.start()

    try:
        while True:
            time.sleep(1)
    except KeyboardInterrupt:
        print("\n\nStopped!")


if __name__ == "__main__":
    main()