#!/bin/bash

notify_host="https://notify.everwatch.global"
channel="EWG"
alertType=""
msgTitle=""
message=""
tag="exclamation"
priority="3"
state=""

case "$NAGIOS_NOTIFICATIONTYPE" in
  PROBLEM) tag="bangbang";;
  RECOVERY) tag="ok";;
  ACKNOWLEDGEMENT) tag="ok_hand";;
  FLAPPINGSTART) tag="hatched_chick";;
  FLAPPINGSTOP) tag="hourglass_flowing_sand";;
  DOWNTIMESTART) tag="sleeping_bed";;
  DOWNTIMEEND) tag="sunny";;
  *) tag="exclamation";;
esac

do_notify() {
  [ -n "$1" ] && channel="${channel}-${1}"
  curl -s \
        -H "Title: ${msgTitle}" \
        -H "Tags: ${tag}" \
        -H "Priority: ${priority}" \
        -d "${message}" \
        ${notify_host}/${channel}
}

do_host() {
  msgTitle="HOST ${NAGIOS_NOTIFICATIONTYPE}"
  message="$NAGIOS_NOTIFICATIONTYPE $NAGIOS_HOSTNAME is $NAGIOS_HOSTSTATE $NAGIOS_LONGDATETIME"
  do_notify "Hosts"
}

do_service() {
  msgTitle="SERVICE ${NAGIOS_NOTIFICATIONTYPE}"
  message="$NAGIOS_NOTIFICATIONTYPE $NAGIOS_SERVICEDESC @ $NAGIOS_HOSTALIAS is $NAGIOS_SERVICESTATE $NAGIOS_LONGDATETIME"
  do_notify "Services"
}

while [ -n "$1" ]; do
  case "$1" in
    -t|--type) alertType="$2"; shift 2;;
    *) shift 1;;
  esac
done

case "$alertType" in
  h|host|host) do_host;;
  s|svc|service) do_service;;
  *) shift 1;;
esac

exit