#!/bin/sh

BAR_BG='#1a343a'
BAR_FG='#e2f6e1'
ACTIVE_BG='#3585ce'
URGENT_BG='#ff0000'
FREE_FG='#808080'

PANEL_FIFO=~/.panel-fifo

[ -e "$PANEL_FIFO" ] && rm -f "$PANEL_FIFO"
mkfifo "$PANEL_FIFO"

bspc subscribe > "$PANEL_FIFO" &

xtitle -sf 'T%s\n' > "$PANEL_FIFO" &

while true; do
    echo "C$(date '+%H:%M')"
    sleep 1
done > "$PANEL_FIFO" &

while read -r line ; do
    case "$line" in
	C*)
	    clock="${line#?}"
	    ;;
	T*)
	    title="${line#?}"
	    ;;
	W*)
	    wm=
	    IFS=':' set -- ${line#?}
	    while [ $# -gt 0 ]; do
		item="$1"
		name="${item#?}"
		case "$item" in
		    [fFOoUu]*)
			case "$item" in
			    [OF]*)
				BG="${ACTIVE_BG}"
				FG="-"
				;;
			    o*)
				BG="-"
				FG="-"
				;;
			    f*)
				BG="-"
				FG="${FREE_FG}"
				;;
			    [uU]*)
				BG="${URGENT_BG}"
				FG="-"
				;;
			esac
			wm="${wm}%{B${BG}}%{F${FG}}%{A:bspc desktop -f ${name}:} ${name} %{A}%{B-}%{F-}"
		esac
		shift
	    done
	    ;;
    esac
    printf "%s\n" "  ${wm}  ${title}%{r}${clock}  "
done < "$PANEL_FIFO" | lemonbar -B "${BAR_BG}" -F "${BAR_FG}" -n panel -f Iosevka:pixelsize=30:antialias=true:autohint=true | sh