#!/usr/bin/env sh

PW_FOLDER='/opt/idssys/powerwall'
PW_LOGFOLDER=${PW_FOLDER}/logs
PW_LOGFILE=${PW_LOGFOLDER}/logfile
PW_LOGPOWER=${PW_LOGFOLDER}/log-power
[ ! -f ${PW_LOGFILE} ] && touch ${PW_LOGFILE}
[ ! -f ${PW_LOGPOWER} ] && touch ${PW_LOGPOWER}

SENDNOTICE2(){
	TITLE=${1}
	MESSAGE="${2}

$(date)"
	MSGSOUND=Cosmic
	PUSHOVER_APP_TOKEN="aduyec9mcuoaxir5pavirb8tioixpe"
	PUSHOVER_USER_TOKEN="ubt1csryf5rwa1j96de8revt2fvw4j"
	
	if [ "${3}" = "2" ]; then
		PRIORITY="${3}&retry=60&expire=600"
		MSGSOUND=alien
	elif [ "${3}" = "1" ]; then
		PRIORITY="${3}"
		MSGSOUND=siren
	elif [ "${3}" != "" ]; then
		PRIORITY=${3}
	else
		PRIORITY=0
	fi
	curl -d "token=${PUSHOVER_APP_TOKEN}&user=${PUSHOVER_USER_TOKEN}&message=${MESSAGE}&title=${TITLE}&priority=${PRIORITY}&sound=${MSGSOUND}" https://api.pushover.net/1/messages.json
}

while true; do
	upsinfo=$(upsc CP1500PFCLCD)
	if [ "${upsinfo}" != "" ]; then
		OFFSITE_VOLTIN=$(echo "${upsinfo}" | grep 'input.voltage:' | sed 's/.*: //')
		OFFSITE_BATT_RUNTIME=$(echo "${upsinfo}" | grep 'battery.runtime:' | sed 's/.*: //')
		OFFSITE_BATT_RUNTIME=`echo "scale=2; ${OFFSITE_BATT_RUNTIME}/60" | bc`
		OFFSITE_BATT_CAP=$(echo "${upsinfo}" | grep 'battery.charge:' | sed 's/.*: //')
	
		if [ ${OFFSITE_VOLTIN%.*} > 105 ]; then
			if [ -f ${PW_TMPFOLDER}/power.offsite.ac.low ]; then
				echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - Offsite Back to Normal Voltage" >> ${PW_LOGPOWER}
				echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - OFFSITE POWER NOMINAL AGAIN" >> ${PW_LOGFILE}
				SENDNOTICE2 "OFFSITE POWER NOMINAL AGAIN" "Normal voltage detected
		VOLTAGE: ${OFFSITE_VOLTIN}'Volts"
				rm -f ${PW_TMPFOLDER}/power.offsite.ac.*
			fi
			if [ -f ${PW_TMPFOLDER}/power.offsite.off ]; then
				if [ ! -f ${PW_TMPFOLDER}/power.offsite.restored ]; then
					touch ${PW_TMPFOLDER}/power.offsite.restored

				elif [ $(expr `date +%s` - $(stat -f %m ${PW_TMPFOLDER}/power.offsite.restored)) > 60 ]; then
					SENDNOTICE2 "OFFSITE HOST POWER" "Powering offsite host(s) back on after power was restored"
					for offsite_host in "${PW_OFFSITEHOSTS[@]}"; do
						# HOSTPOWER ${offsite_host} on >/dev/null 2>&1
					done
					rm -f ${PW_TMPFOLDER}/power.offsite.*
					echo "POWERING ON HOST"
				fi

			else
				[ $(expr `date +%s` - $(stat -f %m ${PW_LOGPOWER})) > 300 ] && echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - Offsite Normal Voltage" >> ${PW_LOGPOWER}
			fi
			echo "NORMAL: ${OFFSITE_VOLTIN}"
		else
			echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - OFFSITE POWER OFF/LOW POWER" >> ${PW_LOGPOWER}
			echo "($(date +'%Y-%m-%d %H:%M:%S')) - ${OFFSITE_VOLTIN}'Volts - OFFSITE POWER OFF/LOW POWER" >> ${PW_LOGFILE}

			if [ ! -f ${PW_TMPFOLDER}/power.offsite.ac.low ] || [ $(expr `date +%s` - $(stat -f %m ${PW_TMPFOLDER}/power.offsite.ac.low)) > 240 ]; then
				SENDNOTICE2 "OFFSITE POWER ALERT - POWER OFF/LOW!!" "Power off or low voltage detected
		BATT CAPACITY: ${OFFSITE_BATT_CAP}'(percent)
		BATT RUNTIME: ${OFFSITE_BATT_RUNTIME}'Mins" 1
				touch ${PW_TMPFOLDER}/power.offsite.ac.low
			fi

			if [ ${OFFSITE_BATT_CAP%.*} < 95 ] && [ ! -f ${PW_TMPFOLDER}/power.offsite.off ]; then
				SENDNOTICE2 "OFFSITE HOST POWER" "Powering DOWN offsite host(s) due to power outage" 1
				# SHUTDOWN_OFFSITE &
				touch ${PW_TMPFOLDER}/power.offsite.off
				echo "SHUTTING DOWN HOST"
			fi
			echo "LOW/OFF: ${OFFSITE_VOLTIN}"
		fi
		
	else
		SENDNOTICE2 "NUT DRIVER FAILUER" "Restarting NUT service"
		/usr/local/etc/rc.d/nut.sh restart
		sleep 10s
	fi
	sleep 10s
done

exit 0