#!/usr/bin/env bash

################################
# Shows info about sound/volume.
# Allows simple volume controls.
#
# Thanks to [@EliteTK](https://gist.github.com/EliteTK/36d061fa24372fb70312),
# for the big speed gain when switching to `ponymix`
#
# Dependencies:
# - ponymix
# - ttf-font-icons
#
# @return {Number}: Current volume
################################

dir=$(dirname $0)
source $dir/util.sh

full=""
short=""
status=0

step=${BLOCK_INSTANCE:-5}

getVolume() {
	ponymix get-volume
}

isMuted() {
	ponymix is-muted
}

case $BLOCK_BUTTON in
	# right click
	# mute/unmute
	3) ponymix toggle >/dev/null ;;

	# scroll up
	# raise volume
	4) ponymix increase $step >/dev/null ;;

	# scroll down
	# lower volume
	5) ponymix decrease $step >/dev/null ;;
esac

vol=$(getVolume)

# level-based icon
if (( $vol == 0 )); then
	icon=""
elif (( $vol < 34 )); then
	icon=""
elif (( $vol < 67 )); then
	icon=""
else
	icon=""
fi

# determine mute status
if isMuted; then
	status=33
fi

full="$icon $vol%"
short=$vol

echo $full
echo $short
exit $status