# -*- coding: utf-8 -*-
#
# Copyright Grégory Soutadé 2023

# 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 ipaddress import ip_address

from iwla import IWLA
from iplugin import IPlugin
from display import *

"""
Display hook

Display IP below visitor name

Plugin requirements :
    None

Conf values needed :
    compact_ip*

Output files :
    OUTPUT_ROOT/year/month/index.html

Statistics creation :
    None

Statistics update :
    None

Statistics deletion :
    None
"""

class IWLADisplayVisitorIP(IPlugin):
    def load(self):
        display = self.iwla.getDisplay()
        display.addColumnFilter(self.iwla._(u'Host'), self.IPFilter, {'self':self})

        self.compact_ip = self.iwla.getConfValue('compact_ip', False)

        return True

    def processIP(self, host_name, ip):
        host_name = host_name.replace(ip, 'IP')
        ip = ip.replace('.', '-')
        ip = ip.replace(':', '-')
        host_name = host_name.replace(ip, 'IP')
        ip = ip.replace('-', '')
        host_name = host_name.replace(ip, 'IP')

        return host_name
    
    @staticmethod # Needed to have unbound method
    def IPFilter(host, remote_ip, self):
        if remote_ip is None or not remote_ip in self.visitors.keys(): return None
        visitor = self.visitors[remote_ip]
        if remote_ip == visitor['remote_addr']: return None
        host_name = host
        if self.compact_ip:
            host_name = self.processIP(host_name, visitor['remote_ip'])
            host_name = self.processIP(host_name,
                                       ip_address(visitor['remote_ip']).exploded)
        return '%s [%s]' % (host_name, visitor['remote_ip'])
    
    def hook(self):
        self.visitors = self.iwla.getCurrentVisits()