#!/usr/bin/bash


###
#
# Options Section
#
###

set -e
set -u
set -o pipefail


###
#
# Runtime Environment
#
###

/usr/bin/gpioset '0' '17'='1'

while [ 1 ]; do
  SIGNAL=$(/usr/bin/gpioget '0' '4')
  if [ "${SIGNAL}" -eq '0' ]; then
    /usr/bin/sleep '0.2s'
  else
    PULSE=$(/bin/date '+%s%N' | /usr/bin/cut '-b1-13')
    while [ "${SIGNAL}" -eq '1' ]; do
      /usr/bin/sleep '0.02s'
      if [ $(($(/bin/date '+%s%N' | /usr/bin/cut '-b1-13')-${PULSE})) -gt '600' ]; then
        /usr/sbin/poweroff
        exit 0
      fi
      SIGNAL=$(/usr/bin/gpioget '0' '4')
    done
    if [ $(($(/usr/bin/date '+%s%N' | /usr/bin/cut '-b1-13')-${PULSE})) -gt '200' ]; then
      /usr/sbin/reboot
      exit 0
    fi
  fi
done