1 files changed, 36 insertions, 0 deletions
diff --git a/laptop/.config/hypr/scripts/battery-notifier.sh b/laptop/.config/hypr/scripts/battery-notifier.sh
new file mode 100755
index 0000000..d586879
--- /dev/null
+++ b/laptop/.config/hypr/scripts/battery-notifier.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+while true; do
+	# get battery status
+	acpi_info=$(acpi)
+	stat=$(echo $acpi_info | awk -F" " '{print $3}')
+	stat=${stat::-1}
+	perc=$(echo $acpi_info | awk -F" " '{print $4}')
+	perc=${perc::-2}
+
+	# check if battery is discharging
+	if [[ $stat == Discharging ]]; then
+		# send notification if low power
+		if [[ $perc -le 15 ]]; then
+			notify-send -a Battery BATTERY\ CRITICAL\  -h int:value:$perc -u critical
+		elif [[ $perc -le 30 ]]; then
+			notify-send -a Battery Battery\ low\  -h int:value:$perc
+		fi
+	fi
+
+	# calculate time until next check using interpolating polynomial
+	#  of points (battery %, time [s] until next check):
+	# 	(100, 600)
+	# 	(50, 120)
+	# 	(30, 60)
+	# 	(15, 30)
+	# 	(0, 0)
+	x1=$(echo "scale=10; 188/85*$perc" | bc)
+	x2=$(echo "scale=10; -603/29750*$perc*$perc" | bc)
+	x3=$(echo "scale=10; 113/297500*$perc*$perc*$perc" | bc)
+	x4=$(echo "scale=10; 3/1487500*$perc*$perc*$perc*$perc" | bc)
+	sleep_time=$(echo $x1+$x2+$x3+$x4 | bc | awk -F"." '{print $1}')
+
+	# sleep for calculated time
+	sleep $sleep_time
+done