#!/bin/bash
# You can call this script like this:
# $./volume.sh up
# $./volume.sh down
# $./volume.sh mute

# Original from: https://gist.github.com/sebastiencs/5d7227f388d93374cebdf72e783fbd6a

function get_volume {
    pamixer --get-volume
}

function is_mute {
    pamixer --get-volume-human | grep muted > /dev/null
}

function send_notification {
    volume=`get_volume`
    icon_quiet="/usr/share/icons/Adwaita/48x48/status/audio-volume-low-symbolic.symbolic.png"
    icon_loud="/usr/share/icons/Adwaita/48x48/status/audio-volume-high-symbolic.symbolic.png"
    icon_medium="/usr/share/icons/Adwaita/48x48/status/audio-volume-medium-symbolic.symbolic.png"
    icon_muted="/usr/share/icons/Adwaita/48x48/status/audio-volume-muted-symbolic.symbolic.png"
    # Make the bar with the special character ─ (it's not dash -)
    # https://en.wikipedia.org/wiki/Box-drawing_character
    bar=$(seq -s "─" $(($volume / 5)) | sed 's/[0-9]//g')
    # Send the notification
#    if  [ "$volume" == "muted" ]; then
        icon="/usr/share/icons/Adwaita/48x48/status/audio-volume-muted-symbolic.symbolic.png"
        #dunstify -i "$icon" -t 2000 --replace 2593 -u normal "    $bar"
        dunstify "$volume""  ""$bar" -i "/usr/share/icons/Adwaita/48x48/status/audio-volume-muted-symbolic.symbolic.png" -t 2000 -h int:value:"$volume" -h string:synchronous:"$bar" --replace=555
    #else
    #    if [ "$volume" -lt "10" ]; then
    #        icon="/usr/share/icons/Adwaita/48x48/status/audio-volume-low-symbolic.symbolic.png"
    #    else
    #        if [ "$volume" -lt "30" ]; then
    #            icon="/usr/share/icons/Adwaita/48x48/status/audio-volume-medium-symbolic.symbolic.png"
    #        else
    #            if [ "$volume" -lt "70" ]; then
    #                icon="/usr/share/icons/Adwaita/48x48/status/audio-volume-high-symbolic.symbolic.png"
    #            fi
    #        fi
    #    fi
    #fi

}

case $1 in
    up)
	# Set the volume on (if it was muted)
	#amixer -D pulse set Master on > /dev/null
	# Up the volume (+ 5%)
    pamixer -i 5
    canberra-gtk-play -i audio-volume-change -d "changeVolume"
	send_notification
	;;
    down)
	#amixer -D pulse set Master on > /dev/null
    pamixer -d 5
    canberra-gtk-play -i audio-volume-change -d "changeVolume"
	send_notification
	;;
    mute)
    	# Toggle mute
	pamixer -t
	if is_mute ; then
	    dunstify -i audio-volume-muted -t 2000 -r 2593 -u normal "Mute"
	else
        canberra-gtk-play -i audio-volume-change -d "changeVolume"
	    send_notification
	fi
	;;
esac