#!/usr/bin/env python
# -*- coding: utf-8 -*-
################################################################################
import time
import urllib2
import re
import smtplib

def findstring(url):
	"""find if document's last update date is equal to current date"""

	doc = urllib2.urlopen(url).read()
	doctime = re.search(r'Catalogue g&eacute;n&eacute;r&eacute; le (.*)<',
			    doc)
	if doctime != None:
		print url.rstrip('\n') + " : "+doctime.group(1)
		date = re.match(r'(.*) (.*) (.*)',doctime.group(1))
		day = date.group(1)
		month = date.group(2)
		year = date.group(3)
		#day = re.match(r'\d (.*)',doctime.group(1))
		if day < 10:
			day = '0' + day

		months = {	'janv.'		: '01',
          			'f&eacute;vr.'	: '02',
	            		'mars'       	: '03',
		              	'avr.'       	: '04',
			        'mai'        	: '05',
				'juin'       	: '06',
				'juil.'      	: '07',
				'aout'       	: '08',
				'sept.'      	: '09',
				'oct.'       	: '10',
				'nov.'       	: '11',
				'd&eacute;c' 	: '12'}

		for i,j in months.iteritems():
			month = month.replace(i,j)

		doctime = time.strptime(day + ' ' + month + ' ' + year,
					'%d %m %Y')[0:3]
		curtime = time.localtime()[0:3]
		
		if doctime == curtime:
			rooturl = re.match('(.*)/_catalog/(.*)',url)
			url = rooturl.group(1) + '/_catalog/index.html'
			sendmail('OPDS Update','catalog ' + url + ' updated!')
			return True
		else:
			return False

	else:
		sendmail('OPDS Error','string not found at catalog ' + url )

def sendmail(subject,corpus):
	"""send an alert e-mail"""
	fromaddr = "noreply@tourmentine.com"
	mto = "n@tourmentine.com"
	message = """From: No Reply <noreply@tourmentine.com>
To: nico <n@tourmentine.com>
Subject: """+subject+"""

"""+corpus+"""
"""
	smtp = smtplib.SMTP()
	smtp.connect()
	smtp.sendmail(fromaddr,mto,message)
	smtp.close()


print time.strftime('%c') + ' : Starting harvest...\n'

f = open('opdslist.txt')
for line in f:
	if not re.match(r'^#',line):
		findstring(line)
print '\n'