#!/bin/bash

if ! systemctl --user is-active mpd &>/dev/null
then
	origstatus='off'
else
	origstatus="$(mpc status | sed -n '2p' | grep -Eo '^\[.*\]' | tr -d '[]')"
	[[ -z "$origstatus" ]] && origstatus='stop'
fi
	

case $BLOCK_BUTTON in
	1) mpc -q prev ;;
	2) mpc -q toggle ;;
	3) mpc -q next ;;
	4) mpc -q seek +5 ;;
	5) mpc -q seek -5 ;;
esac

status="<span foreground=\"#6699CC\">"
case $origstatus in
	stop ) status="<span foreground=\"#F2777A\">" ;;
	paused ) status="<span foreground=\"#FFCC66\">" ;;
	playing ) status="<span foreground=\"#99CC99\">" ;;
	off ) status="<span foreground=\"#515151\">" ;;
esac

if [[ "$origstatus" != "stop" ]] && [[ "$origstatus" != "off" ]]
then
	if [[ ! -f /dev/shm/mpd ]]
	then
		mpc -f '[[%artist%, ]%title%|[%file%]' current > /dev/shm/mpd
	fi
	
	song=$(</dev/shm/mpd)

	song="${song//&/and}"
	
	scroll="$(</dev/shm/mpd-scroll)"

	if  [[ -z "${scroll// /}" ]]
	then
		cp /dev/shm/mpd /dev/shm/mpd-scroll
	else
		song="$(</dev/shm/mpd-scroll)"
		echo "${song:1}                                              " > /dev/shm/mpd-scroll
	fi

	alltime="$(mpc status | column -t -o '	' | sed -n '2p' | cut -f3)"
	elapsed_time="$(dateconv -f "%0H:%0M" "${alltime%/*}" || echo "--:--")"
	total_time="$(dateconv -f "%0H:%0M" "${alltime#*/}" || echo "--:--")"
	left_time="$(datediff -f "%0H:%0M" "$elapsed_time" "$total_time" || echo "--:--")"

	time="[$elapsed_time $left_time $total_time]"
	shorttime="$elapsed_time $left_time"
	
	if [[ "$time" = "[  ]" ]] || [[ -z "$time" ]]
	then
		time="[--:-- --:-- --:--]"
	fi
	
	if [[ -z "$shorttime" ]] || [[ "$shorttime" = " " ]]
	then
		shorttime="--:-- --:--"
	fi
	
	if [[ "${#shorttime}" -eq 6 ]]
	then
		shorttime="${shorttime}--:--"
	fi

	echo "${song:0:25} $status$time</span>"
	echo "${song:0:10} $status$shorttime</span>"
else
	[[ -f /dev/shm/mpd ]] && rm /dev/shm/mpd
	[[ -f /dev/shm/mpd-scroll ]] && rm /dev/shm/mpd-scroll
	echo "$status[--:-- --:-- --:--]</span>"
	echo "$status--:-- --:--</span>"
fi