# coding=utf-8
# Author: Dustyn Gibson <miigotu@gmail.com>
#
# URL: https://sickrage.github.io
#
# This file is part of SickRage.
#
# SickRage is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SickRage is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with SickRage. If not, see <http://www.gnu.org/licenses/>.

from __future__ import print_function, unicode_literals

import re
from requests.utils import dict_from_cookiejar

from sickbeard import logger, tvcache
from sickbeard.bs4_parser import BS4Parser
from six.moves.urllib.parse import quote_plus

from sickrage.helper.common import convert_size, try_int
from sickrage.providers.torrent.TorrentProvider import TorrentProvider


class HDTorrentsProvider(TorrentProvider):  # pylint: disable=too-many-instance-attributes

    def __init__(self):

        TorrentProvider.__init__(self, "HDTorrents")

        self.username = None
        self.password = None
        self.minseed = None
        self.minleech = None
        self.freeleech = None

        self.urls = {'base_url': 'https://hd-torrents.org',
                     'login': 'https://hd-torrents.org/login.php',
                     'search': 'https://hd-torrents.org/torrents.php?search=%s&active=1&options=0%s',
                     'rss': 'https://hd-torrents.org/torrents.php?search=&active=1&options=0%s',
                     'home': 'https://hd-torrents.org/%s'}

        self.url = self.urls['base_url']

        self.categories = "&category[]=59&category[]=60&category[]=30&category[]=38&category[]=65"
        self.proper_strings = ['PROPER', 'REPACK']

        self.cache = tvcache.TVCache(self, min_time=30)  # only poll HDTorrents every 30 minutes max

    def _check_auth(self):

        if not self.username or not self.password:
            logger.log("Invalid username or password. Check your settings", logger.WARNING)

        return True

    def login(self):
        if any(dict_from_cookiejar(self.session.cookies).values()):
            return True

        login_params = {'uid': self.username,
                        'pwd': self.password,
                        'submit': 'Confirm'}

        response = self.get_url(self.urls['login'], post_data=login_params, returns='text')
        if not response:
            logger.log("Unable to connect to provider", logger.WARNING)
            return False

        if re.search('You need cookies enabled to log in.', response):
            logger.log("Invalid username or password. Check your settings", logger.WARNING)
            return False

        return True

    def search(self, search_strings, age=0, ep_obj=None):  # pylint: disable=too-many-locals, too-many-branches, too-many-statements
        results = []
        if not self.login():
            return results

        for mode in search_strings:
            items = []
            logger.log("Search Mode: {0}".format(mode), logger.DEBUG)
            for search_string in search_strings[mode]:

                if mode != 'RSS':
                    search_url = self.urls['search'] % (quote_plus(search_string), self.categories)
                    logger.log("Search string: {0}".format
                               (search_string.decode("utf-8")), logger.DEBUG)
                else:
                    search_url = self.urls['rss'] % self.categories

                if self.freeleech:
                    search_url = search_url.replace('active=1', 'active=5')

                data = self.get_url(search_url, returns='text')
                if not data or 'please try later' in data:
                    logger.log("No data returned from provider", logger.DEBUG)
                    continue

                if data.find('No torrents here') != -1:
                    logger.log("Data returned from provider does not contain any torrents", logger.DEBUG)
                    continue

                # Search result page contains some invalid html that prevents html parser from returning all data.
                # We cut everything before the table that contains the data we are interested in thus eliminating
                # the invalid html portions
                try:
                    index = data.lower().index('<table class="mainblockcontenttt"')
                except ValueError:
                    logger.log("Could not find table of torrents mainblockcontenttt", logger.DEBUG)
                    continue

                data = data[index:]

                with BS4Parser(data, 'html5lib') as html:
                    if not html:
                        logger.log("No html data parsed from provider", logger.DEBUG)
                        continue

                    torrent_rows = []
                    torrent_table = html.find('table', class_='mainblockcontenttt')
                    if torrent_table:
                        torrent_rows = torrent_table('tr')

                    if not torrent_rows:
                        logger.log("Could not find results in returned data", logger.DEBUG)
                        continue

                    # Cat., Active, Filename, Dl, Wl, Added, Size, Uploader, S, L, C
                    labels = [label.a.get_text(strip=True) if label.a else label.get_text(strip=True) for label in torrent_rows[0]('td')]

                    # Skip column headers
                    for result in torrent_rows[1:]:
                        try:
                            cells = result.findChildren('td')[:len(labels)]
                            if len(cells) < len(labels):
                                continue

                            title = cells[labels.index('Filename')].a.get_text(strip=True)
                            seeders = try_int(cells[labels.index('S')].get_text(strip=True))
                            leechers = try_int(cells[labels.index('L')].get_text(strip=True))
                            torrent_size = cells[labels.index('Size')].get_text()

                            size = convert_size(torrent_size) or -1
                            download_url = self.url + '/' + cells[labels.index('Dl')].a['href']
                        except (AttributeError, TypeError, KeyError, ValueError, IndexError):
                            continue

                        if not all([title, download_url]):
                            continue

                        # Filter unseeded torrent
                        if seeders < self.minseed or leechers < self.minleech:
                            if mode != 'RSS':
                                logger.log("Discarding torrent because it doesn't meet the minimum seeders or leechers: {0} (S:{1} L:{2})".format
                                           (title, seeders, leechers), logger.DEBUG)
                            continue

                        item = {'title': title, 'link': download_url, 'size': size, 'seeders': seeders, 'leechers': leechers, 'hash': ''}
                        if mode != 'RSS':
                            logger.log("Found result: {0} with {1} seeders and {2} leechers".format(title, seeders, leechers), logger.DEBUG)

                        items.append(item)

            # For each search mode sort all the items by seeders if available
            items.sort(key=lambda d: try_int(d.get('seeders', 0)), reverse=True)

            results += items

        return results


provider = HDTorrentsProvider()
