#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Based on veezh's original recipe and Kovid Goyal's New York Times recipe

__license__ = 'GPL v3'
__copyright__ = '2011, Snaab'

'''
www.nrc.nl
'''
import os
import zipfile
from io import BytesIO

from calibre.web.feeds.news import BasicNewsRecipe
from datetime import date, timedelta


class NRCHandelsblad(BasicNewsRecipe):

    title = u'NRC Handelsblad'
    description = u'De ePaper-versie van NRC'
    language = 'nl'
    needs_subscription = True
    requires_version = (1, 24, 0)

    __author__ = 'Kovid Goyal'

    conversion_options = {
        'no_default_epub_cover': True
    }

    def build_index(self):
        from calibre.web.jsbrowser.browser import Browser, ElementNotFound
        br = Browser()
        br.visit('http://login.nrc.nl/login', timeout=60)
        f = br.select_form('#fm1')
        f['username'] = self.username
        f['password'] = self.password
        br.submit('button[type="submit"]')
        raw = br.html
        if '>Uitloggen<' not in raw:
            raise ValueError('Failed to login, check username and password')
        epubraw = None
        for today in (date.today(), date.today() - timedelta(days=1),):
            url = 'http://digitaleeditie.nrc.nl/digitaleeditie/NH/%s/%d/%s___/downloads.html' % (
                today.strftime('%Y'), today.month - 1, today.strftime('%Y%m%d'))
            self.log('Trying to download epub from:', url)
            br.start_load(url, timeout=60)
            try:
                epubraw = br.download_file(
                    '#CompleteDownloads .download-list .download-button')
                break
            except ElementNotFound:
                self.log('%r not available yet' % url)
                continue

        if epubraw is None:
            raise ValueError('Krant van vandaag nog niet beschikbaar')

        zfile = zipfile.ZipFile(BytesIO(epubraw), 'r')
        zfile.extractall(self.output_dir)
        index = os.path.join(self.output_dir, 'metadata.opf')
        return index