#!/usr/bin/env bash

# Selects player based on if they're playing or if they have a cover
# Note: Being played takes priority
select_player () {
	playingplayer=""
	coverplayer=""
	totalplayer=""
	playerctl -l | while read -r player;
	do
		art=`playerctl --player="$player" metadata mpris:artUrl 2> /dev/null`
		status=`playerctl --player="$player" status 2> /dev/null`
		[[ $status == "Playing" ]] && playingplayer="$player"
		[[ $art != "" ]] && coverplayer="$player"
		[[ $status == "Playing" && $art != "" ]] && totalplayer="$player"
		[[ ! -z $coverplayer ]] && player="$coverplayer"
		[[ ! -z $playingplayer ]] && player="$playingplayer"
		[[ ! -z $totalplayer ]] && player="$totalplayer"
		echo "$player"
	done;
}	

update_cover () {
	if [[ -z $newimg ]] 
    then
		newimg="$imgdir/music.png"
		cp "$newimg" "$imgdir/currmedia.png"
		echo "Image is unknown, using template"
	elif [[ `echo $newimg | grep -c "file://"` -gt 0 ]]
	then
		cp "`echo $newimg | sed 's/file:\/\///g'`" "$imgdir/currmedia.png"
		echo "Image is a file, succesfully coppied"
	else
		curl "$newimg" -o "$imgdir/currmedia.png" -s
		echo "Image is an url, succesfully downloaded"
	fi;
	$eww update cover="$imgdir/currmedia.png"
}


imgdir="$HOME/.config/eww/mybar/images"
lastimg="none"
eww="eww -c $HOME/.config/eww/mybar"

while true; do
	if [[ ! -z `playerctl status` ]]
	then
		player=`select_player | tail -1`
		status=""
		status=`playerctl --player="$player" status`
		echo "Selected $player as player"

		# Update status button
		if [[ $status == "Playing" ]]
		then
			$eww update media_status=""
		else
			$eww update media_status=""
		fi;
		
		# Update title and artist
		title=`playerctl --player="$player" metadata xesam:title`
		[[ -z $title ]] && title="No title"
		title_parsed=`$HOME/.config/eww/mybar/scripts/parse_jp "$title"`
		$eww update title="$title"
		$eww update title_parsed="$title_parsed"

		artist=`playerctl --player="$player" metadata xesam:artist`
		[[ -z $artist ]] && artist="No artist"
		artist_parsed=`$HOME/.config/eww/mybar/scripts/parse_jp "$artist"`
		$eww update artist="$artist"
		$eww update artist_parsed="$artist_parsed"

		# Update length and position
		position=`playerctl --player="$player" position`
		[[ -z $position ]] && position=0
		$eww update position="$position"
		length=`playerctl --player="$player" metadata mpris:length`
		length=`python -c "print($length/1000000)"`
		[[ -z $length ]] && length=100
		$eww update length="$length"

		newimg=`playerctl --player="$player" metadata mpris:artUrl 2> /dev/null\
                | sed "s/https:\/\/i.ytimg.com\/vi\//https:\/\/img.youtube.com\/vi\//g"\
                | sed "s/hq/maxres/g"`

	    if [[ "$newimg" != "$lastimg" ]]
	    then
	        echo "New image $newimg detected"
	        lastimg=$newimg
			update_cover&
        fi;
	else
		# Update everything to default values
		$eww update media_status=""
		$eww update title_parsed="No title"
		$eww update title="No title"
		$eww update artist="No artist"
		$eww update artist_parsed="No artist"
		$eww update position=0
		$eww update length=100
		$eww update cover="images/music.png"
		lastimg=""
	fi;
	sleep 1
    echo ""
done;