#!/bin/bash

URGENT_VALUE=10

state=$(acpi 2> /dev/null | grep Battery)
if [[ $? -ne 0 ]]; then
    # No battery
    exit 0
fi

power=$(echo $state | grep -Po '\d+(?=%)')
charging_state=$(echo $state | grep -Po '(Charging|Discharging)')
time_remaining=$(echo $state | grep -Po '[\d:]+(?=:\d+ (until charged|remaining))')
color=''

if [[ "${power}" -gt 87 ]]; then
    icon=" "
elif [[ "${power}" -gt 63 ]]; then
     icon=" "
elif [[ "${power}" -gt 38 ]]; then
     icon=" "
elif [[ "${power}" -gt 13 ]]; then
     icon=" "
elif [[ "${power}" -le 13 ]]; then
     icon=" "
else
    icon=" "
fi

if [[ "${power}" -le "${URGENT_VALUE}" ]]; then
  color='#ff9980'
fi

if [[ "${charging_state}" = "Discharging" ]]; then
    echo "${icon} ${power}% |$time_remaining|"
    echo "${icon} ${power}%"
    [[ -n $color ]] && echo $color
else
    [[ $power -eq 100 ]] && echo " ${power}%" || \
        echo " ${power}% |$time_remaining|"
    echo " ${power}%"
fi