#!/bin/bash

SINK="@DEFAULT_SINK@"
LIMIT=150
ADJUSTMENT=$1

function limit_level() {
    level="$(pactl get-sink-volume "$SINK" | grep '^Volume' | cut -d' ' -f5 | grep -o "[[:digit:]]*")"

    if [[ "$level" -gt "$LIMIT" ]]; then
        echo "Limiting volume to: $1"
        set_level $LIMIT%
    fi
}

function set_level() {
    echo "Desired volume adjustment: $1"
    pactl set-sink-volume "$SINK" "$1"
}

if [[ "$ADJUSTMENT" == set-*-mute ]]; then
    echo "Desired volume adjustment: $1"
    pactl "$ADJUSTMENT" "$SINK" toggle
else
    set_level "$ADJUSTMENT"
    limit_level $LIMIT
fi

killall -SIGUSR1 i3status