#!/bin/sh

PANEL_FIFO=/tmp/panel-top-fifo
PANEL_HEIGHT=18

PANEL_FONT_FAMILY="JetBrains Mono Medium"
ICON_FONT2="IPAGothic"
ICON_FONT="SauceCodePro Nerd Font Mono"

# setup
if [ $(pgrep -cx panel-top) -gt 1 ] ; then
  printf "%s\n" "The panel is already running." >&2 
  exit 1
fi

trap 'trap - TERM; kill 0' INT TERM QUIT EXIT

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

bspc subscribe report > "$PANEL_FIFO" &
# find out how to make this scroll
xtitle -sf 'X%s\n\n' -t 30 > "$PANEL_FIFO" &

# time and date
while true;
do
    echo "D$(date '+%d.%m.%Y %H:%M:%S')"
    sleep 1
done > "$PANEL_FIFO" &

# battery
while true;
do
    for battery in /sys/class/power_supply/BAT?
    do
        mode=$(cat "$battery"/status)
        percent=$(cat "$battery"/capacity)
        symbol=""

        if [ "$mode" = "Discharging" ]; then
            symbol=''
        elif [ "$mode" = "Charging" ]; then
            symbol=''
        else
            symbol=''
        fi

        echo "B$symbol $percent%"
    done
    sleep 10
done > "$PANEL_FIFO" &

# backlight
lemonlight > "$PANEL_FIFO" &

# cpu temp
while true;
do
    temp=$(sensors | awk '/^Tdie:/ {print $2}')
    echo "T $temp"
    sleep 10
done > "$PANEL_FIFO" &

# wifi
while true;
do
    for wifi in /sys/class/net/w*
    do
        state=$(cat "$wifi"/operstate)

        if [ "$state" = "up" ]; then # if connected
            echo "N直  "
        else
            echo "N睊   "
        fi
    done
    sleep 5
done > "$PANEL_FIFO" &

# volume
# initial volume
lemonvol > "$PANEL_FIFO" &
# python volume watcher
lemonvol.py > "$PANEL_FIFO" &

# ram
while true;
do
    mem=$(free -h --mega | awk '/^Mem:/ {print $3 "/" $2}')

    printf  "%s\n" "R $mem"
    sleep 10
done > "$PANEL_FIFO"  &

# cpu
while true;
do
    lemoncpu > "$PANEL_FIFO"
    sleep 5
done > "$PANEL_FIFO" &

# mpc song status
lemonsong-status > "$PANEL_FIFO" &

# mpc playing song
while true
do
    song=$(mpc current)
    printf "%s\n" "M $song" > "$PANEL_FIFO"
    mpc idle player > /dev/null 2>&1
done &

. panel_colors

cat "$PANEL_FIFO" | panel_bar-top | lemonbar -g x$PANEL_HEIGHT -o -1 -f "$PANEL_FONT_FAMILY"-8 -f "$ICON_FONT"-9 -f "$ICON_FONT2"-7 -F "$COLOR_FOREGROUND" -B "$COLOR_BACKGROUND" -u  2 | sh &

sleep 1
xdo above -t $(xdo id -n root) $(xdo id -n lemonbar)

wait