# -*- coding: utf-8 -*-
#
# Copyright Grégory Soutadé 2015

# 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/>.
#

import time

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

"""
Display hook

Create TOP visitors block

Plugin requirements :
    None

Conf values needed :
    display_visitor_ip*

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

Statistics creation :
    None

Statistics update :
    None

Statistics deletion :
    None
"""

class IWLADisplayTopVisitors(IPlugin):
    def __init__(self, iwla):
        super(IWLADisplayTopVisitors, self).__init__(iwla)
        self.API_VERSION = 1

    def hook(self):
        hits = self.iwla.getValidVisitors()
        display = self.iwla.getDisplay()
        display_visitor_ip = self.iwla.getConfValue('display_visitor_ip', False)

        total = [0]*5
        for super_hit in hits.values():
            total[1] += super_hit['viewed_pages'][0]
            total[2] += super_hit['viewed_hits'][0]
            total[3] += super_hit['bandwidth'][0]

        top_bandwidth = [(k,v['bandwidth'][0]) for (k,v) in hits.items()]
        top_bandwidth = sorted(top_bandwidth, key=lambda t: t[1], reverse=True)
        top_visitors = [hits[h[0]] for h in top_bandwidth[:10]]

        index = self.iwla.getDisplayIndex()
        table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Top visitors'), [self.iwla._(u'Host'), self.iwla._(u'Pages'), self.iwla._(u'Hits'), self.iwla._(u'Bandwidth'), self.iwla._(u'Last seen')], [3])
        table.setColsCSSClass(['', 'iwla_page', 'iwla_hit', 'iwla_bandwidth', ''])
        for super_hit in top_visitors:
            address = super_hit['remote_addr']
            if display_visitor_ip and\
                    super_hit.get('dns_name_replaced', False):
                address = '%s [%s]' % (address, super_hit['remote_ip'])

            row = [
                address,
                super_hit['viewed_pages'][0],
                super_hit['viewed_hits'][0],
                super_hit['bandwidth'][0],
                time.asctime(super_hit['last_access'])
                ]
            total[1] -= super_hit['viewed_pages'][0]
            total[2] -= super_hit['viewed_hits'][0]
            total[3] -= super_hit['bandwidth'][0]
            table.appendRow(row)
        if total[1] or total[2] or total[3]:
            total[0] = self.iwla._(u'Others')
            total[4] = ''
            table.appendRow(total)
            table.setCellCSSClass(table.getNbRows()-1, 0, 'iwla_others')
        index.appendBlock(table)