#!/usr/bin/env bash
# Adjust volume and emit current percentage to the wob overlay FIFO.
# Usage: wob-volume.sh up|down

set -u

case "${1:-}" in
    up)   wpctl set-volume -l 1 @DEFAULT_AUDIO_SINK@ 5%+ ;;
    down) wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%- ;;
    *)    echo "usage: $0 up|down" >&2; exit 2 ;;
esac

fifo="${XDG_RUNTIME_DIR:-/tmp}/hypr-wob.${HYPRLAND_INSTANCE_SIGNATURE:-default}"
[[ -p "$fifo" ]] || exit 0
wpctl get-volume @DEFAULT_AUDIO_SINK@ | awk '{printf "%d\n", $2*100}' > "$fifo"