import re
from calibre.web.feeds.recipes import BasicNewsRecipe
from collections import OrderedDict

class Chronicle(BasicNewsRecipe):

    title       = 'The Chronicle of Higher Education'
    __author__  = 'Rick Shang'

    description = 'Weekly news and job-information source for college and university faculty members, administrators, and students.'
    language = 'en'
    category = 'news'
    encoding = 'UTF-8'
    keep_only_tags = [
            dict(name='div', attrs={'class':['article','blog-mod']}),
            ]
    remove_tags = [dict(name='div',attrs={'class':['related module1','maintitle','entry-utility','object-meta']}),
            dict(name='div', attrs={'id':['section-nav','icon-row', 'enlarge-popup','confirm-popup']}),
            dict(name='a', attrs={'class':'show-enlarge enlarge'})]
    no_javascript = True
    no_stylesheets = True


    needs_subscription = True
    def get_browser(self):
        br = BasicNewsRecipe.get_browser(self)
        if self.username is not None and self.password is not None:
            br.open('http://chronicle.com/myaccount/login')
            br.select_form(nr=1)
            br['username']   = self.username
            br['password'] = self.password
        br.submit()
        return br

    def parse_index(self):
        #Go to the issue
        soup0 = self.index_to_soup('http://chronicle.com/section/Archives/39/')
        issue = soup0.find('ul',attrs={'class':'feature-promo-list'}).li
        issueurl = "http://chronicle.com"+issue.a['href']

        #Find date
        dates = self.tag_to_string(issue.a).split(': ')[-1]
        self.timefmt = u' [%s]'%dates

        #Find cover
        cover=soup0.find('div',attrs={'class':'side-content'}).find(attrs={'src':re.compile("photos/biz/Current")})
        if cover is not None:
            if "chronicle.com" in cover['src']:
                self.cover_url=cover['src']
            else:
                self.cover_url="http://chronicle.com" + cover['src']
        #Go to the main body
        soup = self.index_to_soup(issueurl)
        div = soup.find ('div', attrs={'id':'article-body'})

        feeds = OrderedDict()
        section_title = ''
        for post in div.findAll('li'):
            articles = []
            a=post.find('a', href=True)
            if a is not None:
                title=self.tag_to_string(a)
                url="http://chronicle.com"+a['href'].strip()
                sectiontitle=post.findPrevious('h3')
                if sectiontitle is None:
                    sectiontitle=post.findPrevious('h4')
                section_title=self.tag_to_string(sectiontitle)
                desc=self.tag_to_string(post.find('p'))
                articles.append({'title':title, 'url':url, 'description':desc, 'date':''})

                if articles:
                    if section_title not in feeds:
                        feeds[section_title] = []
                    feeds[section_title] += articles
        ans = [(key, val) for key, val in feeds.iteritems()]
        return ans

    def preprocess_html(self,soup):
        #process all the images
        for div in soup.findAll('div', attrs={'class':'tableauPlaceholder'}):

            noscripts=div.find('noscript').a
            div.replaceWith(noscripts)
        for div0 in soup.findAll('div',text='Powered by Tableau'):
            div0.extract()
        return soup