YT_URL_opener

import pynput
import keyboard
import pyperclip
import win32gui
import subprocess
import time
import logging
from urllib.parse import urlparse

# pip install pynput keyboard pyperclip pywin32

# Configure logging to output to console
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(message)s')

# Path to MPC-HC executable (update if necessary)
MPC_HC_PATH = r"C:\Program Files\MPC-HC\mpc-hc64.exe"

# Define the hotkey for the Firefox extension
EXTENSION_HOTKEY = ['ctrl', 'shift', 'u']  # Ctrl+Shift+U for the addon

# Define the hotkey for the Python script
SCRIPT_HOTKEY = ['alt', 'u']  # Alt+U to trigger the script

# Constant delay for key presses and releases (in seconds)
KEY_DELAY = 0.2

def on_hotkey():
    """
    Triggered by Alt+U. Triggers a Firefox extension to copy the current tab's URL,
    then opens it in MPC-HC if it’s a valid YouTube URL.
    """
    logging.debug("Hotkey Alt+U detected")

    try:
        # Check if Firefox is the active window
        hwnd = win32gui.GetForegroundWindow()
        window_title = win32gui.GetWindowText(hwnd)
        class_name = win32gui.GetClassName(hwnd)
        logging.debug(f"Active window: {window_title} (Class: {class_name})")

        if class_name == "MozillaWindowClass":
            logging.debug("Firefox detected, proceeding with extension trigger")

            time.sleep(0.5)

            # Save current clipboard content
            original_clipboard = pyperclip.paste()
            logging.debug(f"Original clipboard: {original_clipboard}")

            # Simulate the Firefox extension hotkey dynamically
            for key in EXTENSION_HOTKEY:
                keyboard.press(key)
                time.sleep(KEY_DELAY)  # Use constant delay for each press
            for key in reversed(EXTENSION_HOTKEY):
                keyboard.release(key)
                time.sleep(KEY_DELAY)  # Use constant delay for each release
            logging.debug(f"Simulated extension hotkey: {EXTENSION_HOTKEY}")
            time.sleep(1)  # Wait for the extension to copy the URL

            # Retrieve the URL from the clipboard
            url = pyperclip.paste()
            logging.debug(f"Copied URL: {url}")

            # Check if clipboard content changed
            if url != original_clipboard:
                logging.debug("Clipboard updated successfully")

                # Validate the URL
                parsed = urlparse(url)
                if parsed.scheme and parsed.netloc:
                    logging.debug("URL is valid")
                    if parsed.netloc.endswith('youtube.com') or parsed.netloc == 'youtu.be':
                        subprocess.Popen([MPC_HC_PATH, url])
                        logging.debug("Opened YouTube URL in MPC-HC")
                    else:
                        logging.debug("Not a YouTube URL")
                else:
                    logging.debug("Invalid URL")
            else:
                logging.debug("Clipboard unchanged, extension may have failed")
        else:
            logging.debug("Active window is not Firefox, ignoring")
    except Exception as e:
        logging.error(f"Error: {e}")

# Dynamically construct the hotkey string for pynput
# Modifiers need < >, regular keys do not
modifiers = {'ctrl', 'shift', 'alt', 'cmd'}
hotkey_parts = [f'<{key}>' if key in modifiers else key for key in SCRIPT_HOTKEY]
hotkey_string = '+'.join(hotkey_parts)

# Set up the global hotkey listener
with pynput.keyboard.GlobalHotKeys({
    hotkey_string: on_hotkey
}) as h:
    logging.info(f"Script started, listening for {SCRIPT_HOTKEY}")
    h.join()