# -*- coding: utf-8 -*-

# Copyright(C) 2014      Bezleputh
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.

from datetime import datetime

from weboob.capabilities.messages import Message
from weboob.capabilities.collection import Collection
from weboob.tools.browser2.page import JsonPage, method
from weboob.tools.browser2.elements import ListElement, ItemElement
from weboob.tools.browser2.filters import CleanText, Dict, Format, CleanHTML

__all__ = ['TokenPage', 'ContentsPage', 'PreferencesPage']


class DictElement(ListElement):
    def find_elements(self):
        if self.item_xpath is not None:
            for el in self.el.get(self.item_xpath):
                yield el
        else:
            yield self.el


class ContentsPage(JsonPage):

    @method
    class get_articles(DictElement):
        item_xpath = 'items'

        class item(ItemElement):
            klass = Message

            obj_id = Format(u'%s#%s', CleanText(Dict('origin/streamId')), CleanText(Dict('id')))
            obj_sender = CleanText(Dict('author', default=u''))
            obj_title = Format(u'%s - %s', CleanText(Dict('origin/title', default=u'')), CleanText(Dict('title')))

            def obj_date(self):
                return datetime.fromtimestamp(Dict('published')(self.el) / 1e3)

            def obj_content(self):
                if 'content' in self.el.keys():
                    return Format(u'%s%s\r\n',
                                  CleanHTML(Dict('content/content')), CleanText(Dict('origin/htmlUrl')))(self.el)
                elif 'summary' in self.el.keys():
                    return Format(u'%s%s\r\n',
                                  CleanHTML(Dict('summary/content')), CleanText(Dict('origin/htmlUrl')))(self.el)
                else:
                    return ''


class TokenPage(JsonPage):
    def get_token(self):
        return self.doc['access_token'], self.doc['id']


class EssentialsPage(JsonPage):
    def get_categories(self):
        for category in self.doc:
            name = u'%s' % category.get('label')
            yield Collection([name], name)

    def get_feeds(self, label):
        for category in self.doc:
            if category.get('label') == label:
                feeds = category.get('subscriptions')
                for feed in feeds:
                    yield Collection([label, feed.get('title')])

    def get_feed_url(self, _category, _feed):
        for category in self.doc:
            if category.get('label') == _category:
                feeds = category.get('subscriptions')
                for feed in feeds:
                    if feed.get('title') == _feed:
                        return feed.get('id')


class PreferencesPage(JsonPage):
    def get_categories(self):
        for category, value in self.doc.items():
            if value in [u"shown", u"hidden"]:
                yield Collection([category])