#!/bin/dash

# ^c$var^ = fg color
# ^b$var^ = bg color

interval=0

# load colors
# . ~/.config/chadwm/scripts/bar_themes/onedark
. ~/.config/chadwm/scripts/bar_themes/catppuccin

cpu() {
  cpu_val=$(grep -o "^[^ ]*" /proc/loadavg)

  printf "^c$black^ ^b$green^ CPU"
  printf "^c$white^ ^b$grey^ $cpu_val"
}

pkg_updates() {
  #updates=$({ timeout 20 doas xbps-install -un 2>/dev/null || true; } | wc -l) # void
  #updates=$({ timeout 20 checkupdates 2>/dev/null || true; } | wc -l) # arch
  updates=$(apt search "~U" | wc -l 2> /dev/null)  # apt (ubuntu, debian etc)
  # updates=$({ timeout 20 aptitude search '~U' 2>/dev/null || true; } | wc -l)  # apt (ubuntu, debian etc)

  if [ -z "$updates" ]; then
    printf "  ^c$green^ 󰦘  Fully Updated"
  else
    printf "  ^c$black^ ^b$yellow^ 󰦗 ^d^%s" "^c$yellow^ $updates pkgs"
  fi
}

battery() {
  get_capacity="$(cat /sys/class/power_supply/BAT1/capacity)"
  case "$(cat /sys/class/power_supply/BAT1/status 2> /dev/null)" in
    Discharging) printf "^c$black^ ^b$red^ 󰂃 ^d^%s" "^c$red^ $get_capacity%";;
    "Not charging") printf "^c$black^ ^b$yellow^ 󰂃 ^d^%s" "^c$yellow^ $get_capacity%";;
    Charging) printf "^c$black^ ^b$green^ 󱊥 ^d^%s" "^c$green^ $get_capacity%";;
    Unknown) printf "^c$black^ ^b$red^ 󰂑 ^d^%s" "^c$red^ $get_capacity%";;
    Full) printf "^c$black^ ^b$green^ 󱟢 ^d^%s" "^c$white^ $get_capacity%";;
  esac
}

brightness() {
  printf "^c$black^ ^b$darkblue^ 󰃞 ^d^%s" "^c$blue^ $(cat /sys/class/backlight/*/brightness) "
  # printf "^c$red^%.0f\n" $(cat /sys/class/backlight/*/brightness)
}

mem() {
  printf "^c$black^ ^b$darkblue^ 󰍛"
  printf "^c$blue^ ^b$grey^ $(free -h | awk '/^Mem/ { print $3 }' | sed s/i//g)"
}

wlan() {
	case "$(cat /sys/class/net/wl*/operstate 2>/dev/null)" in
	up) printf "^c$black^ ^b$green^ 󰀂 ^d^%s" ;;
	down) printf "^c$black^ ^b$red^ 󰯡 ^d^%s" ;;
	esac
}

nettrafic() {
  # Module showing network traffic. Shows how much data has been received (RX) or
  # transmitted (TX) since the previous time this script ran. So if run every
  # second, gives network traffic per second.

  case $BLOCK_BUTTON in
    1) setsid -f "$TERMINAL" -e bmon ;;
    3) notify-send "🌐 Network traffic module" "🔻: Traffic received
  🔺: Traffic transmitted" ;;
    6) "$TERMINAL" -e "$EDITOR" "$0" ;;
  esac

  update() {
      sum=0
      for arg; do
          read -r i < "$arg"
          sum=$(( sum + i ))
      done
      cache=/tmp/${1##*/}
      [ -f "$cache" ] && read -r old < "$cache" || old=0
      printf %d\\n "$sum" > "$cache"
      printf %d\\n $(( sum - old ))
  }

  rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes)
  tx=$(update /sys/class/net/[ew]*/statistics/tx_bytes)

  printf "^c$blue^ 🔻%4sB 🔺%4sB\\n" $(numfmt --to=iec $rx $tx)
}

clock() {
	printf "^c$black^ ^b$darkblue^ 󰥔 "
	printf "^c$black^^b$blue^ $(date)  "
  # printf "^c$black^ ^b$blue^ $(date '+(%a) %d-%m-%y %T')  "
	# printf "^c$black^^b$blue^ $(date '+%H:%M')  "
}

while true; do

  [ "$interval" = 0 ] || [ $(($interval % 3600)) = 0 ] && updates=$(pkg_updates)
  interval=$((interval + 1))

  sleep 1 && xsetroot -name "$updates $(battery) $(brightness) $(cpu) $(mem) $(wlan) $(nettrafic) $(clock)"
done