#!/usr/bin/env bash
set -euf -o pipefail

HEART='\uf21e'
WIFI='\ufaa8'

if [ -d /sys/class/power_supply/BAT0 ]; then
	battery_info="$(head -n 1 /sys/class/power_supply/BAT0/capacity)%"
	current_charge=$(echo "$battery_info" | grep -o '[0-9]\+%' | awk '{sub (/%/, "", $1); print $1}')

	if [[ $current_charge -lt 11 ]]; then
		echo -n '#[fg=colour9]'
	elif [[ $current_charge -lt 31 ]]; then
		echo -n '#[fg=colour126]'
	elif [[ $current_charge -lt 51 ]]; then
		echo -n '#[fg=colour201]'
	elif [[ $current_charge -lt 71 ]]; then
		echo -n '#[fg=colour178]'
	elif [[ $current_charge -lt 90 ]]; then
		echo -n '#[fg=colour11]'
	else
		echo -n '#[fg=colour123]'
	fi
	echo -ne "$HEART $current_charge"
fi

if ping -q -w 1 -c 1 "$(ip r | grep -m 1 default | cut -d ' ' -f 3)" >/dev/null
then
	net="$(awk 'NR == 3 { print substr($3, 1, length($3) - 1) }' /proc/net/wireless)"
	echo -ne " #[fg=colour177]$WIFI${net} "
fi