#!/bin/sh
# Give a battery name (e.g. BAT0) as an argument.

case $BLOCK_BUTTON in
    3) pgrep -x dunst >/dev/null && notify-send "🔋 Battery module" "🔋: discharging
🛑: not charging
♻: stagnant charge
🔌: charging
⚡: charged
❗: battery very low!
- Text color reflects charge left" ;;
esac

for battery in /sys/class/power_supply/BAT?
do
capacity=$(cat "$battery"/capacity) || exit
status=$(cat "$battery"/status)

if [ "$capacity" -ge 75 ]; then
	color="#00ff00"
elif [ "$capacity" -ge 50 ]; then
	color="#ffffff"
elif [ "$capacity" -ge 25 ]; then
	color="#ffff00"
else
	color="#ff0000"
	warn="❗"
fi

[ -z $warn ] && warn=" "

[ "$status" = "Charging" ] && color="#ffffff"

printf "%s%s%s\n" "$(echo "$status" | sed "s/,//;s/Discharging/🔋/;s/Not charging/🛑/;s/Charging/🔌/;s/Unknown/♻️/;s/Full/⚡/;s/ 0*/ /g;s/ :/ /g")" "$warn" "$(echo "$capacity" | sed -e 's/$/%/')"
done