#! /bin/bash

echo '{"message": "test message"}'
exit

# Initialize
PASSWD_FILE="/usr/local/www/cgi-bin/doorcontrol-cgi/passwd"
QUERY_STRING=$1
LOCKFILE="./doorcontrol-main.lock"
. parse_query_string.sh
#

# Exit if instance already running
if [ -e "$LOCKFILE" ]; then
  exit 1
else
  touch "$LOCKFILE"
fi

# Check password
read apiKey <"${PASSWD_FILE}"
if [ "${param[apiKey]}" != "${apiKey}" ]; then
  echo '{"message": "Invalidcredentials"}'
  rm "$LOCKFILE"
  exit 1
fi

LABEL_FILE=$(grep -l pcf8574a /sys/class/gpio/*/*label)
BASE_FILE="$(dirname $LABEL_FILE)/base"
BASE=$(cat $BASE_FILE)

for (( i=0; i<=7; i=i+1 )); do
    PIN[$i]=$(($BASE+$i))
done

if [ ! -e "/sys/class/gpio/gpio${PIN[7]}/value" ]; then 
    echo "${PIN[7]}" > /sys/class/gpio/export
fi

#echo "Waiting ..."
sleep ${param[delay]}

echo '{"message": "Unlocked"}'

#echo "out" > /sys/class/gpio/gpio${PIN[7]}/direction

#echo "0" > /sys/class/gpio/gpio${PIN[7]}/value
#echo "UNLOCKED"
#sleep 2
#echo "1" > /sys/class/gpio/gpio${PIN[7]}/value

#echo "<p>Unlocked</p>"

rm "$LOCKFILE"