#!/usr/bin/env bash
# regex allows waybar to display ampersand
track=$(playerctl metadata --format "{{artist}} - {{title}}"| sed -e "s/&/&/")

if [ "$(playerctl metadata --format "{{artist}}")" == "" ] ; then
    text=""
    class="noPlayers"
    tooltip=""
    echo '{"text"': \"$text\",' "tooltip"': \"$tooltip\", '"class"': \"$class\"'}'
    exit 0
fi

return_stuff() { # text tooltip class
echo hi
}

flash_if_track_changed () {
    if (( $(< /tmp/moe.avalanche.music-iteration) > "$1" )) ; then
    	echo 0 > /tmp/moe.avalanche.music-iteration
    	echo $track > /tmp/moe.avalanche.music-current-track
    	return
    fi

    if [ "$(< /tmp/moe.avalanche.music-current-track)" == "$track" ] ; then
	return
    else
	if [[ $(( $(< /tmp/moe.avalanche.music-iteration) % 2 )) -eq 0 ]] ; then # if even
	    text=" ${track,,}"
        else
	    text=">> ${track,,}"
	fi
        echo $(($(< /tmp/moe.avalanche.music-iteration)+1)) > /tmp/moe.avalanche.music-iteration
    fi
    
    class="track-changed"
    tooltip="== $(playerctl metadata --format {{album}}) ==\n>> changing track..."
    echo '{"text"': \"$text\",' "tooltip"': \"$tooltip\", '"class"': \"$class\"'}'
    exit 0
    
}
        
flash_if_paused () {
if [ $(playerctl status) == "Paused" ] ; then
    if [ $(< /tmp/moe.avalanche.music-disp) == "1" ] ; then
        text="|| ${track,,}"
	echo "0" > /tmp/moe.avalanche.music-disp
    elif [ $(< /tmp/moe.avalanche.music-disp) == "0" ] ; then
	text="${track,,}"
	echo "1" > /tmp/moe.avalanche.music-disp
    else
        echo "paused: ${track,,}"
	echo "0" > /tmp/moe.avalanche.music-disp
    fi
    class="pausedd"
    tooltip="== $(playerctl metadata --format {{album}}) ==\n=> paused, click to play"
    echo '{"text"': \"$text\",' "tooltip"': \"$tooltip\", '"class"': \"$class\"'}'
    exit 0
fi
}

#
#    CONFIG (comment out undesired features)
#

flash_if_paused
flash_if_track_changed 5 # arg is number of flashes

#
#    END OF CONFIG
#

text=">> ${track,,}"
class="default"
tooltip="== $(playerctl metadata --format {{album}}) ==\n=> playing, click to pause"
echo '{"text"': \"$text\",' "tooltip"': \"$tooltip\", '"class"': \"$class\"'}'