send_ntfy

#!/bin/bash

ntfy_topic="YOUR_NTFY_TOPIC"
UPS_name="" # set your UPS name here, use "upsc -l" to find it
alert_at=(25 50 75 85 90 95 98)



if [[ -z "$UPS_name" ]]; then

	UPS_name=$(upsc -l 2>/dev/null)
	
	if [[ "$UPS_name" ]]; then
		echo "UPS_name not set, using \"$UPS_name\""
		
		actual=$(upsc $UPS_name battery.charge 2>/dev/null)
		actual=$((actual))
		
		if ! [[ "$actual" =~ ^[0-9]+$ ]]; then
			echo "ERROR : charge on the UPS not found" >&2; exit 1 
		fi

	else
		echo "UPS_name not set, nothing found"
		exit 1
	fi

fi


declare previous_msg=""

#quit if process already started
nb_process=$(pgrep -c send_ntfy)
if [ $nb_process -ne 1 ]; then
  echo "send_ntfy is already running $nb_process"
  exit 1
fi



function go_test() {
  actual=$(upsc $UPS_name battery.charge 2>/dev/null)
  

  actual=$((actual))
  
  #echo battery : $actual
  
  
  go_alert=-1
  
	for i in "${alert_at[@]}"; do
	  (( actual <= i  )) && go_alert=$i && break
	done
	
	
	if [ $go_alert -ne -1 ]; then
	
		echo  Supprime alerte egale et superieur a $go_alert
		ii=0
		for i in "${alert_at[@]}"; do
			(( go_alert <= i  )) && alert_at[$ii]=0
			((ii++))
		done
		
		send_alert
	fi
}

function send_alert() {

secs=$(upsc $UPS_name battery.runtime 2>/dev/null)
charge=$(upsc $UPS_name battery.charge 2>/dev/null)


msg="$charge%, $((secs/60)) mins left (estimated)"

if [ "$previous_msg" = "$msg" ]; then
	return
fi

previous_msg=$msg

curl -H "Tags: rotating_light" -H "Title: UPS Offline" -d "$msg" ntfy.sh/$ntfy_topic

}



while true; do

status=$(upsc $UPS_name ups.status 2>/dev/null)

if [ "$status" = "OL" ]; then

	charge=$(upsc $UPS_name battery.charge 2>/dev/null)
	curl -H "Tags: electric_plug" -H "Title: UPS Online" -d "$charge%" ntfy.sh/$ntfy_topic

        echo "Battery is Online, exiting."
	exit 0
fi

go_test
sleep 5
done