#!/usr/bin/env python
##
# Title:        Il Post recipe for calibre
# Author:       Marco Scirea, based on a recipe by frafra
# Contact:      marco.prolog at gmail.com
##
# License:      GNU General Public License v3 - http://www.gnu.org/copyleft/gpl.html
# Copyright:    Copyright 2019 Marco Scirea
##

from __future__ import absolute_import, division, print_function, unicode_literals
from calibre.web.feeds.news import BasicNewsRecipe
from calibre.utils.magick import Image

# ----------- CUSTOMIZATION OPTIONS START -----------

# Comment (add # in front) to disable the sections you are not interested in
# Commenta (aggiungi # davanti alla riga) per disabilitare le sezioni che non vuoi scaricare
sections = [
    ("Prima Pagina", "https://www.ilpost.it/prime-pagine"),
    ("Mondo", "https://www.ilpost.it/mondo/"),
    ("Politica", "https://www.ilpost.it/politica/"),
    ("Tecnologia", "https://www.ilpost.it/tecnologia/"),
    ("Internet", "https://www.ilpost.it/internet/"),
    ("Scienza", "https://www.ilpost.it/scienza/"),
    ("Cultura", "https://www.ilpost.it/cultura/"),
    ("Economia", "https://www.ilpost.it/economia/"),
    ("Sport", "https://www.ilpost.it/sport/"),
    ("Media", "https://www.ilpost.it/media/"),
    ("Moda", "https://www.ilpost.it/moda/"),
    ("Libri", "https://www.ilpost.it/libri/"),
    ("Auto", "https://www.ilpost.it/auto/"),
    ("Konrad", "https://www.ilpost.it/europa/"),
]

# Change this to True if you want grey images
convert_to_grayscale = False

# ----------- CUSTOMIZATION OPTIONS OVER -----------

prefixes = {"Permalink to", "Commenta", "Link all'articolo"}


class IlPost(BasicNewsRecipe):
    __author__ = 'Marco Scirea'
    __license__ = 'GPL v3'
    __copyright__ = '2019, Marco Scirea <marco.prolog at gmail.com>'

    title = "Il Post"
    language = "it"
    description = (
        'Puoi decidere quali sezioni scaricare modificando la ricetta.'
        ' Di default le immagini sono convertite in scala di grigio per risparmiare spazio,'
        ' la ricetta puo\' essere configurata per tenerle a colori'
    )
    tags = "news"
    cover_url = "https://www.ilpost.it/wp-content/themes/ilpost/images/ilpost.svg"
    ignore_duplicate_articles = {"title", "url"}
    no_stylesheets = True
    keep_only_tags = [dict(id=["expanding", "singleBody"])]

    def parse_page(self, name, url):
        self.log.debug(url)
        soup = self.index_to_soup(url)
        entries = []
        for article in soup.findAll('article'):
            for link in article.findAll('a', href=True, title=True):
                if not link["href"].startswith("https://www.ilpost.it/20"):
                    continue
                title = link["title"]
                for prefix in prefixes:
                    if title.startswith(prefix):
                        title = title.lstrip(prefix)
                        break
                title = title.strip()
                entries.append({
                    "url": link["href"],
                    "title": title,
                })
        return (name, entries)

    def populate_article_metadata(self, article, soup, first):
        description = soup.find(attrs={"name": "description"})
        article.summary = description[
            "content"] if description else "No meta description given"
        article.text_summary = description[
            "content"] if description else "No meta description given"

    def parse_index(self):
        feeds = []
        for section in sections:
            feeds.append(self.parse_page(section[0], section[1]))
        return feeds

    if convert_to_grayscale:
        # Image conversion to greyscale by Starson17
        # https://www.mobileread.com/forums/showpost.php?p=1814815&postcount=15
        def postprocess_html(self, soup, first):
            # process all the images
            for tag in soup.findAll('img', src=True):
                iurl = tag['src']
                img = Image()
                img.open(iurl)
                img.type = "GrayscaleType"
                img.save(iurl)
            return soup

    def preprocess_html(self, soup):
        galleryItems = soup.findAll("figure", {"class": "gallery-item"})
        if galleryItems:
            self.abort_article()
        return soup