#!/usr/bin/env bash

# ***This script was made by Clay Gomera (Drake)***
#  - Description: A dwmblocks script to print the current power profile and battery status
#  - Dependencies: dwm, dwmblocks, power-profiles-daemon

# this variable will store the current power profile
currntpwr=$(powerprofilesctl get)
if [ "${currntpwr}" = "performance" ]; then
	pwr=" | 󰓅 Performance "
elif [ "${currntpwr}" = "balanced" ]; then
	pwr=" | 󰾅 Balanced "
elif [ "${currntpwr}" = "power-saver" ]; then
	pwr=" | 󰾆 PowerSaver "
fi

# loop through all the available batteries and get it's current capacity
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") 
			# this variable will store the percentage of remaining charge
			percentage="$(cat "$battery/capacity" 2>&1)"
			# updates the status icon based on the battery percentage
			if [ "$percentage" -le 20 ]; then
				status=" 󰁻"
			elif [ "$percentage" -le 30 ]; then
				status=" 󰁼"
			elif [ "$percentage" -le 40 ]; then
				status=" 󰁽"
			elif [ "$percentage" -le 50 ]; then
				status=" 󰁾"
			elif [ "$percentage" -le 60 ]; then
				status=" 󰁿"
			elif [ "$percentage" -le 70 ]; then
				status=" 󰂀"
			elif [ "$percentage" -le 80 ]; then
				status=" 󰂁"
			elif [ "$percentage" -le 90 ]; then
				status=" 󰂂"
			else
				status=" 󰁹"
			fi
			;;
		"Charging")
			# this variable will store the percentage of remaining charge
			percentage="$(cat "$battery/capacity" 2>&1)"
			# updates the status icon based on the battery percentage while charging
			if [ "$percentage" -le 10 ]; then
				status=" 󰢜"
			elif [ "$percentage" -le 20 ]; then
				status=" 󰂆"
			elif [ "$percentage" -le 30 ]; then
				status=" 󰂇"
			elif [ "$percentage" -le 40 ]; then
				status=" 󰂈"
			elif [ "$percentage" -le 50 ]; then
				status=" 󰢝"
			elif [ "$percentage" -le 60 ]; then
				status=" 󰂉"
			elif [ "$percentage" -le 70 ]; then
				status=" 󰢞"
			elif [ "$percentage" -le 80 ]; then
				status=" 󰂊"
			elif [ "$percentage" -le 90 ]; then
				status=" 󰂋"
			else
				status=" 󰂅"
			fi
			;;
		"Not charging") 
			echo " 󰂃 " && exit 0 # just in case
			;;
		"Unknown") 
			echo " 󰂃 " && exit 0 # just in case
			;;
		*) exit 1 ;; # just exit if there isn't a battery on the system
	esac

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

	# print everything
	printf "%s%s%d%%%s" "$status" "$warn " "$percentage" "$pwr"; unset warn
done && printf "\\n"