import imaplib

import sys

import os

import time

from os import path



''' Versie 1.0 dd 31-12-2014

    	Versie 1.0.1 dd 03-01-2015 Loop verwijderd zodat programma periodiek via cron gestart kan worden



    	Versie 1.1 dd 08-01-2015 Send Email message to dutch pocsag group.
	Versie 1.2 dd 20-4-2017 Send page to dapnet


Programma voor detecteren van nieuwe Email

ingeval van nieuwe mail wordt er een bericht verstuurd naar de een ARDUINO

'''



old_lastmail = 0                         # Aantal UNSEEN messages van vorige controle

mailuser = 'user@gmail.com'          # user

mailpassword = 'pass'          # pass

uidfile='/home/pi/email_uid.dat'     # File to keep uid from last message

sendto="dapnet"                          # leave as is...



def save_lastuid(lastuid):

    lastuidfile = open (uidfile, 'w')

    lastuidfile.write(lastuid)

    lastuidfile.close()



def get_lastuid():

    if not (path.isfile(uidfile)):

      lastuid=0

    else:

      lastuidfile = open (uidfile, 'r')

      lastuid=lastuidfile.readline()

      lastuidfile.close

    return lastuid


mail = imaplib.IMAP4_SSL('imap.gmail.com')

mail.login(mailuser, mailpassword)



mail.select("INBOX") # connect to inbox.



result, data = mail.uid('search', None, '(UNSEEN)')     # Get UNSEEN messages



ids = data[0] # data is a list.

id_list = ids.split() # ids is a space separated string

total_mails=len(id_list)



# Check last UID element in list


if ids:                            # Check UID from lastmail message

  lastmail = id_list[-1]           # If UID greater then UID from previous run then new mail

  old_lastmail=get_lastuid()

  if lastmail > old_lastmail:

    print ("You have new mail and you have " + str(total_mails) + " unseen messages")

    old_lastmail = lastmail

    if sendto == "dapnet" or sendto == "both":

      os.system("sh nieuwe_mail.sh")

      print ("Sending page to dapnet...")

    save_lastuid(lastmail) # Save last UID in datafile

    ...
    make nieuwe_mail.sh with following content:
    curl -H "Content-Type: application/json" -X POST -u USER:PASSWORD -d '{ "text": "FUNKRUFTEXT", "callSignNames": ["RUFZEICHEN"], "transmitterGroupNames": ["SENDERGRUPPENNAME"], "emergency": false }' URL/calls
    ...


# End code sending Email



  else:

    print ("No new mail and " + str(total_mails) + " unseen messages")

else:

  print ("No new mail and no unseen messages")



mail.logout()