#!/bin/bash
# Wait for pipewire/pulseaudio to be ready
until pactl info &>/dev/null; do
    sleep 0.5
done

WOB_SOCK="${XDG_RUNTIME_DIR}/wob.sock"

pactl subscribe 2>/dev/null | grep --line-buffered "sink" | while read -r _; do
    vol=$(pactl get-sink-volume @DEFAULT_SINK@ | grep -oP '\d+(?=%)' | head -1)
    muted=$(pactl get-sink-mute @DEFAULT_SINK@ | grep -c yes)
    if [ "$muted" -gt 0 ]; then
        echo 0 > "$WOB_SOCK"
    else
        echo "$vol" > "$WOB_SOCK"
    fi
done