# -*- 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/>.
#

import re

from iwla import IWLA
from iplugin import IPlugin

"""
Post analysis hook

Group top pages by subdomains

Plugin requirements :
    post_analysis/top_pages

Conf values needed :
    None

Output files :
    None

Statistics creation :
month_stats:
   subdomains =>
       domain => count

Statistics update :
    None

Statistics deletion :
    None
"""

class IWLAPostAnalysisSubDomains(IPlugin):
    def __init__(self, iwla):
        super(IWLAPostAnalysisSubDomains, self).__init__(iwla)
        self.requires = ['IWLAPostAnalysisTopPages']

    def load(self):
        self.domain_re = re.compile(r'([^/]*)/.*')
        return True
        
    def hook(self):
        month_stats = self.iwla.getMonthStats()
        top_pages = month_stats['top_pages']
        
        subdomains = {}

        for (uri, count) in top_pages.items():
            domain = self.domain_re.match(uri)
            if not domain: continue
            domain = domain.group(1)
            subdomains[domain] = subdomains.get(domain, 0) + count

        month_stats['subdomains'] = subdomains