#!/usr/bin/python3
import traceback
import sys
import subprocess

msg = ''

try:
    if sys.argv[1] == 'media-play-pause':
        subprocess.check_call(['playerctl', 'play-pause'])
        msg = subprocess.check_output(['playerctl', 'status']).decode('utf-8').strip()
    elif sys.argv[1] == 'media-lower-volume':
        subprocess.check_call([
            'pactl',
            'set-sink-volume',
            '@DEFAULT_SINK@',
            '-5%'
        ])
        msg = subprocess.check_output([
            'pactl',
            'get-sink-volume',
            '@DEFAULT_SINK@'
        ]).decode('utf-8').strip()
    elif sys.argv[1] == 'media-raise-volume':
        subprocess.check_call([
            'pactl',
            'set-sink-volume',
            '@DEFAULT_SINK@',
            '+5%'
        ])
        msg = subprocess.check_output([
            'pactl',
            'get-sink-volume',
            '@DEFAULT_SINK@'
        ]).decode('utf-8').strip()
    else:
        raise NotImplementedError
except:
    msg = 'not implemented\n%s' % traceback.format_exc()

subprocess.check_call([
    'notify-send',
    'commands',
    msg
])