#!/bin/sh

PIDFILE="/run/turtlewatch.pid"
WEBPATH="/var/www/zeus/htdocs/turtletemp"
TEMPREADER="Debug/tempreader"

stop() {
	echo "Setting stop page"
	cat "$WEBPATH/template-off.html"  > $WEBPATH/index.html
	rm $PIDFILE
}

showerrorpage() {
	echo "Setting error page"
	cat "$WEBPATH/template-off.html"  > $WEBPATH/index.html
}


trap stop EXIT

run() {
	TR_NEW_CYCLE=0
	
	for i in `$TEMPREADER --once --atmin=5 --atmax=11 --itmin=5 --itmax=11 --ihmin=40 --ihmax=80 /dev/ttyUSB0 | grep -v "^#"`; do
		echo $i
		eval export $i
	done
	#echo "--"
	#set
	#echo "vv"
	
	if [ "$TR_NEW_CYCLE" != "1" ]; then
		showerrorpage
		return
	fi
	
	if [ "$TR_TRIP" == "1" ]; then
		TRIPCOLOR="red"
		TRIP="visible"
	else
		TRIPCOLOR="green"
		TRIP="hidden"
	fi	
	
	DATE=`date +"%a %H:%M:%S %d.%m.%y"`
	
	cat "$WEBPATH/template.html" \
		| sed "s/{TRIPCOLOR}/$TRIPCOLOR/g" \
 	        | sed "s/{IT}/$TR_SENS_I_TEMP/g" \
 	        | sed "s/{IH}/$TR_SENS_I_HUMI/g" \
                | sed "s/{AT}/$TR_SENS_A_TEMP/g" \
                | sed "s/{AH}/$TR_SENS_A_HUMI/g" \
                | sed "s/{DATE}/$DATE/g" \
                | sed "s/{TRIP}/$TRIP/g" \
		> $WEBPATH/index.html
	
	
}

if [ -f $PIDFILE ]; then
	echo "Already running, killing other instance "`cat $PIDFILE`
	kill -TERM `cat $PIDFILE`
	sleep 1
	rm $PIDFILE
fi	

echo "Abort with STRG-C"
echo $$ > $PIDFILE

while [ "1" == "1" ]; do
	run
	sleep 10
done