#!/bin/sh

SINK="@DEFAULT_AUDIO_SINK@"
NOTIFY_ID=9990
NOTIFY_URGENCY="low"

action="${1:-}"
[ -z "$action" ] && exit 1

if [ "$action" = "toggle" ]; then
    wpctl set-mute "$SINK" "$action" || exit 1
else
    wpctl set-volume "$SINK" "$action" || exit 1
fi

volume="$(wpctl get-volume "$SINK")"
case "$volume" in
*\[MUTED\]*) muted=1 ;;
*) muted=0 ;;
esac
volume="${volume% \[MUTED\]}"
volume="${volume#Volume: }"
volume="${volume%.*}${volume#*.}"
volume="${volume#0}"

if [ "$muted" -eq 1 ]; then
    icon="audio-volume-muted-symbolic"
    title="Volume Muted"
else
    case "$volume" in
    [0-9] | [1-2][0-9] | 3[0-3]) icon="audio-volume-low-symbolic" ;;
    3[4-9] | [4-5][0-9] | 6[0-6]) icon="audio-volume-medium-symbolic" ;;
    6[7-9] | [7-9][0-9] | 100) icon="audio-volume-high-symbolic" ;;
    esac
    title="Volume"
fi

notify-send -r "$NOTIFY_ID" -u "$NOTIFY_URGENCY" -h int:value:"$volume" -i "$icon" "$title"
update-pipe volume 'monitors volume'