#!/bin/bash
# Loop through all attached batteries and format the info
currntpwr=$(powerprofilesctl get)
if [ "${currntpwr}" = "performance" ]; then
	pwr=" | 󰓅 Performance "
elif [ "${currntpwr}" = "balanced" ]; then
	pwr=" | 󰾅 Balanced "
elif [ "${currntpwr}" = "power-saver" ]; then
	pwr=" | 󰾆 PowerSaver "
fi

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") 
			# Calculates the percentage of remaining charge
			percentage="$(cat "$battery/capacity" 2>&1)"
			# Updates the status icon based on the battery percentage
			if [ "$percentage" -lt 20 ]
			then
				status=" 󰁻"
			elif [ "$percentage" -lt 30 ]
			then
				status=" 󰁼"
			elif [ "$percentage" -lt 40 ]
			then
				status=" 󰁽"
			elif [ "$percentage" -lt 50 ]
			then
				status=" 󰁾"
			elif [ "$percentage" -lt 60 ]
			then
				status=" 󰁿"
			elif [ "$percentage" -lt 70 ]
			then
				status=" 󰂀"
			elif [ "$percentage" -lt 80 ]
			then
				status=" 󰂁"
			elif [ "$percentage" -lt 90 ]
			then
				status=" 󰂂"
			fi
			;;
		"Charging") 
			# Calculates the percentage of remaining charge
			percentage="$(cat "$battery/capacity" 2>&1)"
			# Updates the status icon based on the battery percentage while charging
			if [ "$percentage" -lt 10 ]
			then
				status=" 󰢜"
			elif [ "$percentage" -lt 20 ]
			then
				status=" 󰂆"
			elif [ "$percentage" -lt 30 ]
			then
				status=" 󰂇"
			elif [ "$percentage" -lt 40 ]
			then
				status=" 󰂈"
			elif [ "$percentage" -lt 50 ]
			then
				status=" 󰢝"
			elif [ "$percentage" -lt 60 ]
			then
				status=" 󰂉"
			elif [ "$percentage" -lt 70 ]
			then
				status=" 󰢞"
			elif [ "$percentage" -lt 80 ]
			then
				status=" 󰂊"
			elif [ "$percentage" -lt 90 ]
			then
				status=" 󰂋"
			else
				status=" 󰂅"
			fi
			;;
		"Not charging") 
			status=" 󰂃" 
			;;
		"Unknown") 
			status=" 󰂃" 
			;;
		*) exit 1 ;;
	esac

	# Will make a warn variable if discharging and low
	[ "$status" = " 󰁺" ] && [ "$percentage" -le 10 ] && warn="󱈸"

	# Prints the info
	printf "%s%s%d%%%s" "$status" "$warn " "$percentage" "$pwr"; unset warn
done && printf "\\n"