#!/bin/bash

function volumedelta() {
  local CURRENT_VOLUME=$( pacmd list-sinks | grep -A 15 '* index' | awk '/volume: front/{ print $5 }' | sed 's/[%|,]//g')
  local NEW_VOLUME=$(( $CURRENT_VOLUME + $1 ))
  local NEW_VOLUME=$(( $NEW_VOLUME > 100 ? 100 : $NEW_VOLUME ))
  local NEW_VOLUME=$(( $NEW_VOLUME < 0 ? 0 : $NEW_VOLUME ))
  pactl set-sink-volume '@DEFAULT_SINK@' "${NEW_VOLUME}%"
}
case $1 in
  up)
    volumedelta 10
    pactl set-sink-mute '@DEFAULT_SINK@' 0
    ;;
  down)
    volumedelta -10
    ;;
  off)
    volumedelta -9999
    ;;
  max)
    volumedelta 9999
    pactl set-sink-mute '@DEFAULT_SINK@' 0
    ;;
  toggle_mute)
    pactl set-sink-mute '@DEFAULT_SINK@' toggle
    ;;
  full_mute)
    pactl set-sink-mute '@DEFAULT_SINK@' 1
    pactl set-sink-volume '@DEFAULT_SINK@' 0
    ;;
esac
pkill -SIGUSR1 i3status
VOLUME=$( pacmd list-sinks | grep -A 15 '* index' | awk '/volume: front/{ print $5 }' | sed 's/[%|,]//g' )
MUTED=$( pacmd list-sinks | grep -A 15 '* index' | awk '/muted:/{ print $2 }' | grep -m1 yes )
ID_LOCATION=/run/user/$(id -u)/i3-helpers/volume-notification-id
OLD_ID=$(<"$ID_LOCATION")
NEW_ID=$(dunstify --appname=brightness.sh --timeout=3000 --hints="int:value:$VOLUME" --printid "${OLD_ID:+--replace="${OLD_ID}"}" "Volume" "${VOLUME}%${MUTED:+ (Muted)}" )
mkdir -p $(dirname "$ID_LOCATION")
echo "$NEW_ID" >"$ID_LOCATION"