#!/bin/bash

#
json=$(curl -s https://status.chapril.org/api/v1/version)

#
regexp='.*"data":\s*"([^"]+)".*'
if [[ $json =~ $regexp ]]; then
    currentVersion=${BASH_REMATCH[1]}
else
    currentVersion=
fi

#
regexp='.*"tag_name":\s*"v([^"]+)".*'
if [[ $json =~ $regexp ]]; then
    lastVersion=${BASH_REMATCH[1]}
else
    lastVersion=
fi

#echo "$currentVersion"
#echo "$lastVersion"

if [ -z "$currentVersion" ]; then
    echo "WARNING : current version not found."
    result=1
elif [ -z "$lastVersion" ]; then
    echo "WARNING : last version not found."
    result=1
elif [ $currentVersion = $lastVersion ]; then
    echo "OK"
    result=0
else
    echo "WARNING : new version available, current is $currentVersion, last is $lastVersion."
    result=1
fi    

exit $result