#!/bin/bash

# Requires https://www.google.com/settings/security/lesssecureapps for gmail.

CONFIG_FILE="${BLOCK_INSTANCE}"
CONFIG_FILE=${CONFIG_FILE/\~/$HOME}

# Config file needs the following settings:
#MAIL_USER="user@domain.tld"
#MAIL_PASSWORD="secret"

if [[ ! -f "${CONFIG_FILE}" ]]; then
  echo "${CONFIG_FILE}"
  exit 33
fi

source "${CONFIG_FILE}"

COUNT=`curl -su $MAIL_USER:$MAIL_PASSWORD https://mail.google.com/mail/feed/atom || echo "<fullcount>unknown number of</fullcount>"`
COUNT=`echo "$COUNT" | grep -oPm1 "(?<=<fullcount>)[^<]+" `
if [ "$COUNT" = "0" ]; then
	echo ""
else
	echo $COUNT
fi