#!/bin/sh
# Give a battery name (e.g. BAT0) as an argument.

# get xresources colors
for x in "$(xrdb -query | grep color | sed "s/.*\./export /g;s/:\s*/=\"/g;s/$/\"/g" | sed 's/\*//g')"; do
    eval "$x";
done

capacity=$(cat /sys/class/power_supply/"$1"/capacity) || exit
status=$(cat /sys/class/power_supply/"$1"/status)

if [ "$capacity" -ge 75 ]; then
    color="$color10"
elif [ "$capacity" -ge 50 ]; then
    color="$color15"
elif [ "$capacity" -ge 25 ]; then
    color="$color11"
else
    color="$color9"
    warn="❗"
fi

[ -z $warn ] && warn=" "

[ "$status" = "Charging" ] && color="$color15"

printf "<span color='%s'>%s%s%s</span>" "$color" "$(echo "$status" | sed -e "s/,//;s/Discharging/🔋/;s/Not Charging/🛑/;s/Charging/🔌/;s/Unknown/♻️/;s/Full/⚡/;s/ 0*/ /g;s/ :/ /g")" "$warn" "$(echo "$capacity" | sed -e 's/$/%/')"