#!/bin/sh

# Prints all batteries, their percentage remaining and an emoji corresponding
# to charge status ( for plugged up,  for discharging on battery, etc.).

case $BLOCK_BUTTON in
3) notify-send " Battery module" ": discharging
: not charging
: stagnant charge
: charging
: charged
: battery very low!
- Scroll to change adjust xbacklight." ;;
4) xbacklight -inc 10 ;;
5) xbacklight -dec 10 ;;
6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac

# Loop through all attached batteries and format the info
for battery in /sys/class/power_supply/BAT?*; do
# If non-first battery, print a space separator.
[ -n "${capacity+x}" ] && printf " "
# Sets up the status and capacity
case "$(cat "$battery/status" 2>&1)" in
"Full") status="" ;;
"Discharging") status="" ;;
"Charging") status="" ;;
"Not charging") status="" ;;
"Unknown") status="" ;;
*) exit 1 ;;
esac
capacity="$(cat "$battery/capacity" 2>&1)"
# Will make a warn variable if discharging and low
[ "$status" = "" ] && [ "$capacity" -le 25 ] && warn=""
# Prints the info
printf "%s%s%d%%" "$status" "$warn" "$capacity"; unset warn
done && printf "\\n"