#!/usr/bin/env groovy

// IP Address Regex http://www.regular-expressions.info/examples.html
currentIp = ("http://whatsmyip.us/".toURL().text =~/\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b/)[0]

println currentIp

def ipLog = new File("ip-log.txt")

recentIp = ipLog.readLines().last().tokenize(",").last().trim()

if (currentIp!= recentIp) {
  Mailer.deliverIpAddressChangeMessage currentIp
  println "IP Address has changed, it is now: ${currentIp}. Sending Message."
  ipLog << "${new Date()}, ${currentIp}\n"
}