import os
import re
import subprocess
import logging


class XWindow:
    def __init__(self):
        self.window = self._run(["getactivewindow"])
        if not self.window:
            self.name = ""
            self.cls = ""
            self.pid = ""
        else:
            self.name = self._run(["getwindowname", self.window])
            self.cls = self._run(["getwindowclassname", self.window])
            self.pid = self._run(["getwindowpid", self.window])
        self.keywords = list(re.findall("\w+", self.name.lower()))

    def _run(self, cmd) -> str:
        cmd = ["xdotool"] + cmd
        p = subprocess.run(cmd, capture_output=True)
        if p.returncode != 0:
            return ""
        return p.stdout.decode().strip()

    def minimize(self):
        self._run(["windowminimize", self.window])

    def quit(self):
        self._run(["windowquit", self.window])


def notify(message: str) -> None:
    """ Notify user via the Xorg notify-send command. """
    logging.debug(f"notify: {message}")
    env = {
        **os.environ,
        "DBUS_SESSION_BUS_ADDRESS": "unix:path=/run/user/1000/bus"
    }
    user = env.get("SUDO_USER", None)
    if user is None:
        cmd = ["notify-send", message]
    else:
        cmd = ["runuser", "-m", "-u", user, "notify-send", message]
    subprocess.run(cmd, env=env)