#!/usr/bin/env bash 

# You can call this script like this:
# volumecontrol up
# volumecontrol down
# volumecontrol mute

function get_volume {
    # amixer get Master | grep '%' | head -n 1 | cut -d '[' -f 2 | cut -d '%' -f 1
    # pactl get-sink-volume @DEFAULT_SINK@ | grep -Po '\d+(?=%)' | head -n 1
    pactl get-sink-volume @DEFAULT_SINK@ | grep '%' | cut -d '%' -f 1 | cut -d ' ' -f 6
}

function is_mute {
    # amixer get Master | grep '%' | grep -oE '[^ ]+$' | grep off > /dev/null
    pactl get-sink-mute @DEFAULT_SINK@ | grep 'Mute: yes' >> /dev/null
}

function send_notification {
	volume=$(get_volume)
    # Make the bar with the special character ─ (it's not dash -)
    # https://en.wikipedia.org/wiki/Box-drawing_character
	if [[ $volume == "100" ]]; then
		icon=""
	elif [[ $volume -ge "89" && $volume -le "100" ]]; then
		icon=""
	elif [[ $volume -ge "79" && $volume -le "90" ]]; then
		icon=""
	elif [[ $volume -ge "69" && $volume -le "80" ]]; then
		icon=""
	elif [[ $volume -ge "59" && $volume -le "70" ]]; then
		icon=""
	elif [[ $volume -ge "49" && $volume -le "60" ]]; then
		icon=""
	elif [[ $volume -ge "39" && $volume -le "50" ]]; then
		icon=""
	elif [[ $volume -ge "29" && $volume -le "40" ]]; then
		icon=""
	elif [[ $volume -ge "19" && $volume -le "30" ]]; then
		icon=""
	elif [[ $volume -ge "9" && $volume -le "20" ]]; then
		icon=""
	elif [[ $volume -gt "0" && $volume -le "10" ]]; then
		icon=""
	elif [[ $volume -eq "0" ]]; then
		icon=""
		# volume="M "
	fi
bar=$(seq -s "─" $(($volume/5)) | sed 's/[0-9]//g')
# Send the notification
fyi --hint=string:x-canonical-private-synchronous:volumecontrol -u normal "$icon  $bar  $volume"
}

case $1 in
    up)
	# Set the volume on (if it was muted)
	# amixer set Master on > /dev/null
	pactl set-sink-mute @DEFAULT_SINK@ 0
	# Up the volume (+ 2%)
	# amixer sset Master 2%+ > /dev/null
	pactl set-sink-volume @DEFAULT_SINK@ +2%
	send_notification
	# canberra-gtk-play -i audio-volume-change
	;;
    down)
	# amixer set Master on > /dev/null
	pactl set-sink-mute @DEFAULT_SINK@ 0
	# amixer sset Master 2%- > /dev/null
	pactl set-sink-volume @DEFAULT_SINK@ -2%
	send_notification
	# canberra-gtk-play -i audio-volume-change
	;;
    mute)
    	# Toggle mute
	# amixer set Master 1+ toggle > /dev/null
	pactl set-sink-mute @DEFAULT_SINK@ toggle
	if is_mute ; then
	icon="󰝟"
	fyi --hint=string:x-canonical-private-synchronous:volumecontrol -u normal "$icon  Audio Muted"
	else
	    send_notification
	    # canberra-gtk-play -i audio-volume-change
	fi
	;;
    *)
	volume="$(get_volume)"

	if [[ $volume == "100" ]]; then
		icon=""
	elif [[ $volume -ge "89" && $volume -le "100" ]]; then
		icon=""
	elif [[ $volume -ge "79" && $volume -le "90" ]]; then
		icon=""
	elif [[ $volume -ge "69" && $volume -le "80" ]]; then
		icon=""
	elif [[ $volume -ge "59" && $volume -le "70" ]]; then
		icon=""
	elif [[ $volume -ge "49" && $volume -le "60" ]]; then
		icon=""
	elif [[ $volume -ge "39" && $volume -le "50" ]]; then
		icon=""
	elif [[ $volume -ge "29" && $volume -le "40" ]]; then
		icon=""
	elif [[ $volume -ge "19" && $volume -le "30" ]]; then
		icon=""
	elif [[ $volume -ge "9" && $volume -le "20" ]]; then
		icon=""
	elif [[ $volume -gt "0" && $volume -le "10" ]]; then
		icon=""
	elif [[ $volume -eq "0" ]]; then
		icon="󰝟"
		volume="M "
	fi


if is_mute; then
		icon="󰝟"
		volume="M "
fi

printf "%s" "$icon  $volume%"
  ;;
esac