import subprocess
import sys
import json
import re

class VolumeMonitor:
    def get_vol_info(self):
        try:
            # Получаем громкость + состояние
            raw = subprocess.check_output(["wpctl", "get-volume", "@DEFAULT_AUDIO_SINK@"]).decode().strip()
            
            # Получаем громкость
            match = re.search(r"(\d\.\d+)", raw)
            vol_val = float(match.group(1)) if match else 0.0
            percent = int(vol_val * 100)
            
            # Проверяем наличие метки muted
            is_muted = "[MUTED]" in raw
            
            return json.dumps({"volume": percent, "muted": is_muted})
        except Exception:
            return json.dumps({"volume": 0, "muted": False})

    def push_update(self):
        sys.stdout.write(f"{self.get_vol_info()}\n")
        sys.stdout.flush()

    def run(self):
        self.push_update()
        proc = subprocess.Popen(["pactl", "subscribe"], stdout=subprocess.PIPE, text=True)
        
        for line in proc.stdout:
            if "sink" in line or "server" in line:
                self.push_update()

if __name__ == "__main__":
    VolumeMonitor().run()