dotfiles/bin/battery-daemon

#!/bin/bash

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=20
# how often to check battery status, in seconds
check_interval=120

is_first_start=true

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/^[[:space:]]*time to empty:[[:space:]]*//')
  
  # check if battery is low and discharging
  if [ "$battery_level" -lt "$warning_level" ] && [ "$discharging" -eq 1 ] && [ "$is_first_start" = false ];  
  then
    dunstify -a "Battery" \
      "Low battery: ${battery_level}%" \
      "Battery is low ($time_to_empty left)" \
      -r 100 \
      -i "$notify_icons/battery-low.png"
    mpv "/home/q/.config/alarm/low-battery-sound.mp3" > /dev/null 2>&1
    # check_interval=$check_interval/2+$check_interval
    check_interval=$(python -c "print(round($check_interval*1.5))")
  fi

  if [ "$battery_level" -gt 80 ] && [ "$discharging" -eq 0 ] && ["$is_first_start" = false]; then
    dunstify -a "Battery" \
      "Battery is charged: ${battery_level}%" \
      -r 100 \
      -i "$notify_icons/battery-charged.png"
    check_interval=300
  fi

  sleep ${check_interval}s
  
  if [ "$is_first_start" = true ]; then
    is_first_start=false
    echo $is_first_start 
  fi
done