dotfiles/bin/battery-daemon

#!/bin/sh

for pid in $(pidof -x battery); do
    if [ "$pid" != $$ ]; then
        kill -9 "$pid"
    fi
done

notify_icons="/home/q/.config/dunst/icons"

# notify when below this percentage
warning_level=30
# how often to check battery status, in seconds
check_interval=300

while true; do
  path_to_battery=$(upower -e | grep BAT)
  battery_level=$(upower -i "$path_to_battery"  | grep -E "percentage" | sed 's/[^0-9]//g')
  discharging=$(upower   -i "$path_to_battery"  | grep -E "state" | grep -c "discharging")
  time_to_empty=$(upower -i "$path_to_battery"  | grep -E "time to empty" | sed 's/[^0-9,.]//g')
  
  # check if battery is low and discharging
  if [ "$battery_level" -lt "$warning_level" ] && [ "$discharging" -eq 1 ]    
  then
    dunstify -a "Battery" \
      "Low battery: ${battery_level}%" \
      "Battery is low ($time_to_empty hours left)" \
      -r 100 \
      -i "$notify_icons/battery-low.png"
    mpv "/home/q/.config/alarm/low-battery-sound.mp3" > /dev/null 2>&1
  fi

  if [ "$battery_level" -gt 80 ] && [ "$discharging" -eq 0 ]; then
    dunstify -a "Battery" \
      "Battery is charged: ${battery_level}%" \
      -r 100 \
      -i "$notify_icons/battery-charged.png"
  fi

  sleep ${check_interval}s
done