# -*- coding: utf-8 -*-
#
# Copyright Grégory Soutadé 2016

# This file is part of iwla

# iwla is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# iwla is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with iwla.  If not, see <http://www.gnu.org/licenses/>.
#

from iwla import IWLA
from iplugin import IPlugin

from iptogeo import IPToGeo

"""
Post analysis hook

Get country code from IP address

Plugin requirements :
    None

Conf values needed :
    iptogeo_remote_addr*
    iptogeo_remote_port*

Output files :
    None

Statistics creation :
    geo =>
        country_code => count
    None

Statistics update :
valid_visitors:
   country_code

Statistics deletion :
    None
"""

class IWLAPostAnalysisIPToGeo(IPlugin):

    def __init__(self, iwla):
        super(IWLAPostAnalysisIPToGeo, self).__init__(iwla)
        self.API_VERSION = 1
        
    def load(self):
        remote_addr = self.iwla.getConfValue('iptogeo_remote_addr',
                                             None)
        remote_port = self.iwla.getConfValue('iptogeo_remote_port',
                                             None)

        args = {}
        if remote_addr: args['remote_addr'] = remote_addr
        if remote_port: args['remote_port'] = remote_port
        self.iptogeo = IPToGeo(**args)

        return True
        
    def hook(self):
        visitors = self.iwla.getValidVisitors()
        month_stats = self.iwla.getMonthStats()

        geo = month_stats.get('geo', {})

        for (ip, visitor) in visitors.items():
            if visitor.get('country_code', False): continue
            try:
                (_, cc) = self.iptogeo.ip_to_geo(ip)
                cc = cc and cc or 'ip'
                visitor['country_code'] = cc
                if cc in geo.keys():
                    geo[cc] += 1
                else:
                    geo[cc] = 1
            except Exception, e:
                print e

        month_stats['geo'] = geo