# -*- 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/>.
#

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

import awstats_data

"""
Display hook

Track users

Plugin requirements :
    None

Conf values needed :
    tracked_ip
    create_tracked_page*

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

Statistics creation :
    None

Statistics update :
    None

Statistics deletion :
    None
"""

class IWLADisplayTrackUsers(IPlugin):
    def __init__(self, iwla):
        super(IWLADisplayTrackUsers, self).__init__(iwla)
        self.API_VERSION = 1
        self.conf_requires = ['tracked_ip']

    def load(self):
        self.create_tracked_page = self.iwla.getConfValue('create_tracked_page', True)
        self.tracked_ip = self.iwla.getConfValue('tracked_ip', [])

        return True

    def hook(self):
        display = self.iwla.getDisplay()
        hits = self.iwla.getCurrentVisits()
        stats = {}

        # All in a page
        if self.create_tracked_page:
            title = createCurTitle(self.iwla, u'Tracked users')
            filename = 'tracked_users.html'
            path = self.iwla.getCurDisplayPath(filename)

            page = display.createPage(title, path, self.iwla.getConfValue('css_path', []))
            table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Tracked users'), [self.iwla._(u'Pages'), self.iwla._(u'Last Access')])
            table.setColsCSSClass(['iwla_page', ''])
            for ip in self.tracked_ip:
                if not ip in hits.keys(): continue
                if 'dns_name_replaced' in hits[ip].keys():
                    ip_title = '<b>%s [%s]</b>' % (hits[ip]['remote_addr'], ip)
                else:
                    ip_title = '<b>%s</b>' % (ip)
                table.appendRow([ip_title, ''])
                nb_hits = 0
                nb_pages = 0
                for r in hits[ip]['requests'][::-1]:
                    uri = r['extract_request']['extract_uri'].lower()
                    if not self.iwla.hasBeenViewed(r): continue
                    if not self.iwla.isPage(uri) or\
                            self.iwla.isMultimediaFile(uri):
                        nb_hits += 1
                        continue

                    nb_pages += 1
                    uri = "%s%s" % (r.get('server_name', ''),
                                    r['extract_request']['extract_uri'])
                    table.appendRow([generateHTMLLink(uri), time.asctime(r['time_decoded'])])
                stats[ip] = (nb_pages, nb_hits)
            page.appendBlock(table)

            display.addPage(page)

        # Last access in index
        title = self.iwla._(u'Tracked users')
        if self.create_tracked_page:
            link = '<a href=\'%s\'>%s</a>' % (filename, self.iwla._(u'Details'))
            title = '%s - %s' % (title, link)

        index = self.iwla.getDisplayIndex()
        
        table = display.createBlock(DisplayHTMLBlockTable, title, [self.iwla._(u'Host'), self.iwla._(u'Last Access'), self.iwla._(u'Pages'), self.iwla._(u'Hits')])
        table.setColsCSSClass(['', '', 'iwla_page', 'iwla_hit'])
        for ip in self.tracked_ip:
            if not ip in hits.keys(): continue
            if 'dns_name_replaced' in hits[ip].keys():
                ip_title = '%s [%s]' % (hits[ip]['remote_addr'], ip)
            else:
                ip_title = ip
            table.appendRow([ip_title, time.asctime(hits[ip]['last_access']), stats[ip][0], stats[ip][1]])
        index.appendBlock(table)