#!/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

# acpi alternative
# acpi | sed "s/Battery [0-9]: //;s/[Dd]ischarging, /🔋/;s/[Nn]ot charging, /🛑/;s/[Cc]harging, /🔌/;s/[Uu]nknown, /♻️/;s/[Ff]ull, /⚡/;s/ \(remaining\|until charged\)//"; exit

# Check if battery directories are detected
[ ! -e /sys/class/power_supply/BAT?* ] && echo "No battery found" && exit 1

# Defines the formatting for the info from the battery folders
format()
{
	# Will make a warn variable if discharging and low
	[ $(cat "$1/status") = "[Dd]ischarging" ] && [ $(cat "$1/capacity") -le 25 ] && local warn="❗ "
	# Sets up the status and capacity
	status=$(cat "$1/status")
	case "$status" in
		"Full")
			status="⚡ "
			;;
		"Discharging")
			status="🔋 "
			;;
		"Not charging")
			status="🛑 "
			;;
		"Unknown")
			status="♻️/ "
			;;
	esac
	capacity=$(cat "$1/capacity")
	# Prints the info
	printf "%s%s%d%%\n" "$status" "$warn" "$capacity"
}

# Loop through all attached batteries and format the info
for battery in /sys/class/power_supply/BAT?*
do
	format $battery
done && return 0