# coding: utf-8
from calibre.web.feeds.recipes import BasicNewsRecipe


def classes(classes):
    q = frozenset(classes.split(' '))
    return dict(attrs={
        'class': lambda x: x and frozenset(x.split()).intersection(q)})


class CaravanMagazine(BasicNewsRecipe):

    title = 'Caravan Magazine'
    __author__ = 'Kovid Goyal, Gobelinus'
    description = 'An Indian Journal of politics and culture'
    language = 'en_IN'
    timefmt = ' [%b, %Y]'

    no_stylesheets = True

    keep_only_tags = [
            classes('post-title short-desc author-details cover'),
            dict(itemprop='articleBody'),
    ]

    remove_tags = [
        dict(name='meta'),
        dict(attrs={'class': ['share-with']}),
    ]

    # To parse artice toc
    def parse_index(self):
        base_url = 'https://www.caravanmagazine.in/'
        soup = self.index_to_soup('{0}magazine'.format(base_url))

        # find current issue cover
        feeds = []
        sections = soup.find(attrs={'class': lambda x: x and 'current-magazine-issue' in x.split()}).find(
                attrs={'class': lambda x: x and 'sections' in x.split()})
        for section in sections.findAll(attrs={'class': lambda x: x and 'section' in x.split()}):
            a = section.find('a')
            section_title = self.tag_to_string(a)
            self.log('\nSection:', section_title)
            articles = []
            for article in section.findAll('article'):
                details = article.find(attrs={'class': lambda x: x and 'details' in x.split()})
                pre = details.find(attrs={'class': lambda x: x and 'pre-heading' in x.split()})
                if pre is not None:
                    pre.extract()
                a = details.find('a')
                url = base_url + a['href']
                title = self.tag_to_string(a)
                desc = self.tag_to_string(details.find('div'))
                self.log('\t', title, url)
                articles.append({'title': title, 'description': desc, 'url': url})
            if articles:
                feeds.append((section_title, articles))

        return feeds

    def preprocess_html(self, soup):
        for div in soup.findAll(itemprop='image'):
            for img in div.findAll('img'):
                img['src'] = div['content']
        return soup