# -*- 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 *

"""
Display hook

Enlight new and updated key phrases in in all_key_phrases.html

Plugin requirements :
    display/referers

Conf values needed :
    None

Output files :
    None

Statistics creation :
    None

Statistics update :
    None

Statistics deletion :
    None
"""

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

    def load(self):
        if not self.iwla.getConfValue('create_all_key_phrases_page', True):
            return False
        month_stats = self.iwla.getMonthStats()
        self.cur_key_phrases = {k:v for (k,v) in month_stats.get('key_phrases', {})}
        return True

    def hook(self):
        display = self.iwla.getDisplay()
        month_stats = self.iwla.getMonthStats()

        filename = 'key_phrases.html'
        path = self.iwla.getCurDisplayPath(filename)
        page = display.getPage(path)
        if not page: return
        title = self.iwla._(u'All key phrases')
        referers_block = page.getBlock(title)

        kp_diff = {}
        for (k, v) in month_stats['key_phrases'].items():
            new_value = self.cur_key_phrases.get(k, 0)
            if new_value:
                if new_value != v:
                    kp_diff[k] = 'iwla_update'
            else:
                kp_diff[k] = 'iwla_new'

        for (idx, row) in enumerate(referers_block.rows):
            if row[0] in kp_diff.keys():
                referers_block.setCellCSSClass(idx, 0, kp_diff[row[0]])