#!/bin/bash

PHONE_IP=${phone_ip}
PHONE_USER=${phone_user}
PLUG_IP=${plug_ip}
MIN=${min}
MAX=${max}

if ! ssh -o 'StrictHostKeyChecking no' -p 8022 $PHONE_USER@$PHONE_IP 'true'
then
  echo "ERROR: cant connect to phone via ssh"
  exit 51
fi
AKKU=$(ssh -o 'StrictHostKeyChecking no' -p 8022 $PHONE_USER@$PHONE_IP termux-battery-status | jq -r .percentage)
echo "akku is at $AKKU% ($MIN%/$MAX%)"

if ! curl --head --silent --fail "http://$PLUG_IP/cm?cmnd=Power" --output /dev/null
then
  echo "ERROR: cant connect to plug via http"
  exit 52
fi
PLUG_IS=$(curl -s "http://$PLUG_IP/cm?cmnd=Power" | jq -r .POWER)
echo "plug is $PLUG_IS"

if [[ $AKKU -lt $MIN ]] && [[ $PLUG_IS = OFF ]]
then
  TURN_PLUG=ON
elif [[ $AKKU -gt $MAX ]] && [[ $PLUG_IS = ON ]]
then
  TURN_PLUG=OFF
else
  echo "nothing to do"
  exit 0
fi

echo "turning plug $TURN_PLUG"
if curl --silent "http://$PLUG_IP/cm?cmnd=Power%20$TURN_PLUG" | jq -r .POWER | grep -q "^$TURN_PLUG\$"
then
  echo "SUCCESS"
  exit 0
else
  echo "ERROR"
  exit 53
fi