#!/usr/bin/env bash

prct=$(acpi 2>/dev/null | grep 'Discharging' | awk '{print $4}' | sed 's/,//')
batid=$(acpi 2>/dev/null | grep 'Discharging' | awk '{print $2}' | sed 's/://')

# If not supported
if [[ $(acpi 2>&1 | grep 'No support') ]]; then
	echo "No battery" >&2;
	exit 1
fi

# If charged
if [[ $(acpi | grep 'Discharging' | wc -c) -eq $(acpi | grep 'Charging' | wc -c) ]]; then
	echo "BAT charged"
	exit
fi

# If charging
if [[ "$(acpi | grep 'Charging' | wc -c)" -gt 0 ]]; then 
	chg_id=$(acpi | grep 'Charging' | awk '{print $2'} | sed 's/://')
	chg_prct=$(acpi | grep 'Charging' | awk '{print $4'} | sed 's/,//')

	echo "BAT$chg_id $chg_prct +"
	exit
fi

# If discharging
echo "BAT$batid $prct -"