#!/bin/sh
base="/sys/class/power_supply/BAT0/"
low=25
med=50
high=75
icon_charging_high=󱊦
icon_charging_low=󱊤
icon_charging_med=󱊥
icon_charging_dry=󰢟
icon_high=󱊣
icon_low=󱊡
icon_med=󱊢
icon_dry=󰂎

full=$(< $base/energy_full_design)
now=$(< $base/energy_now)
stat=$(< $base/status)
percent=$(echo "result = $now / $full * 100; scale=0; result / 1" | bc -l)

if [ "$stat" = "Discharging" ]; then
	[ $percent -lt $low ] && printf $icon_dry
	[ $percent -ge $low ] && [ $percent -lt $med ] && printf $icon_low
	[ $percent -ge $med ] && [ $percent -lt $high ] && printf $icon_med
	[ $percent -ge $high ] && printf $icon_high
else
	[ $percent -lt $low ] && printf $icon_charging_dry
	[ $percent -ge $low ] && [ $percent -lt $med ] && printf $icon_charging_low
	[ $percent -ge $med ] && [ $percent -lt $high ] && printf $icon_charging_med
	[ $percent -ge $high ] && printf $icon_charging_high
fi

printf " %s%%\n" $percent