#!/usr/bin/env sh

# expects a line from monsterwm's output as argument ("$1")
# prints formatted output to be used as input for bar
# reference: bar by LemonBoy -- https://github.com/LemonBoy/bar

# desktop status
for desk; do
	d="${desk%%:*}" desk="${desk#*:}" # desktop id
	w="${desk%%:*}" desk="${desk#*:}" # window count
	l="${desk%%:*}" desk="${desk#*:}" # layout mode
	c="${desk%%:*}" desk="${desk#*:}" # is current desktop
	u="$desk"                         # has urgent hint

	# desktop id
	case "$d" in
		0) d=" \f2\\fr term" ;; 1) d=" \f4\\fr web" ;;
		2) d=" \f3\\fr japan " ;; 3) d=" \f1\\fr files " ;;
	esac

	# current desktop
	if [ $c -ne 0 ]
	then bg="\b0" un="\u6" fg="\f9"
		case "$l" in
			0) s="" ;; 1) s="" ;; 2) s="" ;;
			3) s="" ;; 4) s="" ;; 5) s="" ;;
		esac && s="\b8\u8 $s \br\ur"
	fi

	# has urgent hint or no windows
	[ $u -ne 0 ] && un="\u2"
	[ $w -eq 0 ] && w="-"

	in="$in$bg$fg$un $d \f5[$w] \ur\br\fr"
	unset bg fg un
done

# torrent status
torrent_status="$(transmission-remote -l | awk '$2!="100%"&&$5~/^[[:digit:]]+$/{t=$5" "$6;s=$(11);for(i=12; i<=NF; ++i)s=s" "$i;exit}END{if(s)print t" :: "s}')"
[ -z "$torrent_status" ] && torrent_status="Idle"

# music status
music=$(cmus-remote -Q | awk '$2 == "artist"{a=substr($0,12)} $2 == "title"{t=substr($0,11); exit} END{printf("%s - %s\n",a,t); exit(!t)}')
[ $? -ne 0 ] && mstat="\f3\fr" music="Not playing" || mstat="\f3\fr"


# volume status
if [ "$(amixer get Master | sed -nr '$ s:.*\[(.+)]$:\1:p')" == "off" ]
then vol="[m]" vstat="volume:"
else
	vol="$(amixer get PCM | sed -nr '$ s:.*\[(.+%)].*:\1:p')"
	if   [ "${vol%\%}" -le 10 ]; then vstat=""
	elif [ "${vol%\%}" -le 20 ]; then vstat="";
	else vstat=""; fi
fi

# window title
wname=$(xtitle)


# date and time
date="$(date +"%a %d %b %R")" dstat="\f6\fr"

# symbols
arrow=""
tor="\f4\fr"

# left statusbar info
printf '\\l'
printf '%s ' "$in" "$arrow" "$s"

# center statusbar info
printf '\\c'
printf '\\b7\\u7 %s \\br\\ur\\fr' "$wname"

# right statusbar info
printf '\\r'
printf '\\b7\\u0\\f1 %s \\br\\ur\\fr %s ' \
	"$tor"    "$torrent_status"         \
	"$mstat"    "$music"                  \
	"$vstat"    "$vol"                    \
	"$dstat"    "$date"

# end of statusbar info
printf '\n'