from calibre.web.feeds.news import BasicNewsRecipe, classes


class GKT(BasicNewsRecipe):
    title = u'General Knowledge Today'
    language = 'en_IN'
    __author__ = 'Kovid Goyal'
    oldest_article = 7  # days
    max_articles_per_feed = 20

    no_stylesheets = True
    no_javascript = True
    auto_cleanup = True

    def parse_index(self):
        securl = 'https://www.gktoday.in/current-affairs/'
        ans = {}

        def p_tags(h1):
            for sib in h1.next_siblings:
                if sib.name == 'h1':
                    break
                if sib.name == 'p':
                    yield sib

        def find_cat(ps):
            for p in ps:
                for a in p.findAll('a', rel='tag'):
                    return self.tag_to_string(a)

        for i in range(1, 6):
            page = '' if i == 1 else 'page/' + str(i)
            self.log('Trying:', securl + page)
            soup = self.index_to_soup(securl + page)
            container = soup.find(**classes('left_middle_content'))
            for h1 in container.findAll('h1'):
                title = self.tag_to_string(h1)
                a = h1.find('a')
                if a is None:
                    continue
                url = a['href']
                ps = tuple(p_tags(h1))
                category = find_cat(ps) or 'Unknown'
                ans.setdefault(category, []).append({
                    'title': title, 'url': url, 'description': self.tag_to_string(ps[0])})
                self.log('\t' + title + ' ' + url)
        return list(ans.items())
