# -*- 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/>.
#

import re

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

"""
Display hook

Add geo statistics

Plugin requirements :
    post_analysis/ip_to_geo

Conf values needed :
    create_geo_page*

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

Statistics creation :
    None

Statistics update :
    None

Statistics deletion :
    None
"""

class IWLADisplayIPToGeo(IPlugin):
    def __init__(self, iwla):
        super(IWLADisplayIPToGeo, self).__init__(iwla)
        self.API_VERSION = 1
        self.requires = ['IWLAPostAnalysisIPToGeo']

    def load(self):
        self.icon_path = self.iwla.getConfValue('icon_path', '/')
        self.create_geo_page = self.iwla.getConfValue('create_geo_page_page', True)

        display = self.iwla.getDisplay()
        display.addColumnFilter(self.iwla._(u'Host'), self.FlagFilter, {'self':self})

        return True

    @staticmethod # Needed to have unbound method
    def FlagFilter(host, self):
        cc = None
        host_name = host.split(' ')[0] # hostname or ip
        if host_name in self.visitors.keys():
            cc = self.visitors[host_name].get('country_code', None)
        else:
            for visitor in self.visitors.values():
                if visitor['remote_addr'] == host_name:
                    cc = visitor.get('country_code', None)
                    break
        if not cc or cc == 'ip': return None
        icon = '<img alt="%s flag" src="/%s/flags/%s.png"/>' % (cc, self.icon_path, cc)
        return '%s %s' % (icon ,host)
    
    def hook(self):
        display = self.iwla.getDisplay()
        geo = self.iwla.getMonthStats().get('geo', {})
        geo = sorted(geo.items(), key=lambda t: t[1], reverse=True)
        self.visitors = self.iwla.getCurrentVisits()

        # All in a page
        if self.create_geo_page:
            title = createCurTitle(self.iwla, u'All Coutries')
            filename = 'geo.html'
            path = self.iwla.getCurDisplayPath(filename)

            page = display.createPage(title, path, self.iwla.getConfValue('css_path', []))
            table = display.createBlock(DisplayHTMLBlockTable, self.iwla._(u'Countries'), ['', self.iwla._(u'Country'), self.iwla._(u'Visitors')])
            table.setColsCSSClass(['', '', 'iwla_hit'])
            for (cc, visitors) in geo:
                icon = '<img alt="%s flag" src="/%s/flags/%s.png"/>' % (cc, self.icon_path, cc)
                table.appendRow([icon, cc, visitors])
            table.computeRatio(2)
            page.appendBlock(table)

            display.addPage(page)

        # Countries in index
        title = self.iwla._(u'Countries')
        if self.create_geo_page:
            link = '<a href=\'%s\'>%s</a>' % (filename, self.iwla._(u'All countries'))
            title = '%s - %s' % (title, link)

        index = self.iwla.getDisplayIndex()
        
        table = display.createBlock(DisplayHTMLBlockTable, title, ['', self.iwla._(u'Countries'), self.iwla._(u'Visitors')])        
        table.setColsCSSClass(['', '', 'iwla_hit'])
        for (cc, visitors) in geo[:10]:
            icon = '<img alt="%s flag" src="/%s/flags/%s.png"/>' % (cc, self.icon_path, cc)
            table.appendRow([icon, cc, visitors])
        table.computeRatio(2)
        index.appendBlock(table)