#!/usr/bin/env python
# vim:fileencoding=utf-8
from __future__ import unicode_literals

__license__ = 'GPL v3'
__version__ = '0.2'

'''
brand eins.de
'''
from calibre.web.feeds.news import BasicNewsRecipe
from collections import OrderedDict


class BrandEins(BasicNewsRecipe):

    title = u'brand eins'
    __author__ = 'Nikolas Mangold-Takao, Thomas Schlenkhoff'
    language = 'de'
    description = u'brand eins beschreibt den momentanen Wandel in Wirtschaft und Gesellschaft.'
    publisher = u'brand eins Verlag GmbH & Co. oHG'
    category = 'politics, business, wirtschaft, Germany'

    PREFIX = 'http://www.brandeins.de/'
    INDEX = PREFIX + 'archiv/listeansicht.html'

    use_embedded_content = False
    resolve_internal_links = True

    no_stylesheets = True
    needs_subscription = False

    delay = 1
    summary_length = 200
    simultaneous_downloads = 5
    remove_javascript = True

    keep_only_tags = dict(name='div', attrs={'id': 'content'})

    # remove share image from articles
    remove_tags = [dict(name='div', attrs={'id': 'oms_gpt_billboard'}),
                   dict(name='div', attrs={'id': 'oms_gpt_rectangle'}),
                   dict(name='h3', attrs={'class': 'sharing-headline'}),
                   dict(name='div', attrs={'class': 'sharing-links'}),
                   dict(name='aside', attrs={'class': 'articleAside'})]

    remove_tags_before = dict(
        name='div', attrs={'class': 'innerContent typeArticle'})
    remove_tags_after = dict(name='div', attrs={'id': 'socialshareprivacy'})

    extra_css      = '''
    body, p {text-align: left;}
    .headline {font-size: x-large;}
    h2 {font-size: medium;}
    h1 {font-size: large;}
    em.Bold {font-weight:bold;font-style:normal;}
    em.Italic {font-style:italic;}
    '''

    def parse_index(self):
        issue = ""

        soup = self.index_to_soup(self.INDEX)
        issue_list = soup.findAll('div', attrs={'class': 'details'})

        issue_map = {}
        i = 0
        for entry in issue_list:
            title = self.tag_to_string(entry.find(
                'h3', attrs={'class': 'like-h1'}))
            issue_string = self.tag_to_string(
                entry.find('span', attrs={'class': 'meta'}))
            year = issue_string[8:]
            month = issue_string[5:-5]
            yyyymm = "{}{}".format(year, month)
            link = entry.findAll('a')[0]
            issue_map[yyyymm] = link.get('href')
            self.log('- ', year, month, title, link.get('href'))

            # Issue 1 (most recent) has only few articles online,
            # Issue 2 and 3 (2nd and 3rd recent) is not completely online.
            # Issue 4 (4th recent) is completely online, hence i == 3

            if issue == "" and i == 3:
                issue = yyyymm
            i += 1

        url = 'http://brandeins.de/' + issue_map[issue]
        self.log('Issue to get: ', issue, title, url)
        self.issue_url = url  # save to extract cover

        return self.parse_issue(url)

    def parse_issue(self, url):
        soup = self.index_to_soup(url)
        feeds = OrderedDict()

        for item in soup.findAll(attrs={'class': lambda x: 'ihv_item' in (x or '').split()}):
            a = item.findParent('a', href=True)
            if a is None:
                continue
            url = self.PREFIX + a['href']
            title = self.tag_to_string(item.find(attrs={'class': 'ihv_title'}))
            sec = self.tag_to_string(
                item.find(attrs={'class': 'ihv_page_category'}).findAll('span')[-1])
            if sec not in feeds:
                feeds[sec] = []
            desc = ''
            for p in item.findAll('p'):
                desc += self.tag_to_string(p)
            feeds[sec].append(
                {'title': title, 'url': url, 'description': desc})
            self.log('Found article:', title, 'at', url)

        return [(st, articles) for st, articles in feeds.items() if articles]

    def get_cover_url(self):
        # the index does not contain a usable cover, but the 'Welt in
        # Zahlen'-article contains it
        cover_article = "{}{}".format(
            self.issue_url, 'die-welt-in-zahlen.html')
        self.log('Cover article URL: %s' % cover_article)
        soup = self.index_to_soup(cover_article)
        img = soup.find('section', 'asideSection no-content').find('img')
        self.log('Found cover image url: %s' % img['src'])
        return (self.PREFIX + img['src'])

    def preprocess_raw_html(self, raw_html, url):
        return raw_html.replace('<p>• ', '<p>')
