# coding=utf-8
#
# This file is part of SickGear.
#
# SickGear 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.
#
# SickGear 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 SickGear.  If not, see <http://www.gnu.org/licenses/>.

import re
import traceback

from . import generic
from sickbeard import logger
from sickbeard.bs4_parser import BS4Parser
from sickbeard.helpers import tryInt
from lib.unidecode import unidecode


class TorrentLeechProvider(generic.TorrentProvider):
    def __init__(self):
        generic.TorrentProvider.__init__(self, 'TorrentLeech')

        self.url_base = 'https://v4.torrentleech.org/'
        self.urls = {'config_provider_home_uri': self.url_base,
                     'login': self.url_base,
                     'browse': self.url_base + 'torrents/browse/index/categories/%(cats)s/%(x)s',
                     'search': self.url_base + 'torrents/browse/index/query/%(query)s/categories/%(cats)s/%(x)s'}

        self.categories = {'shows': [2, 26, 27, 32], 'anime': [7, 34, 35]}

        self.url = self.urls['config_provider_home_uri']
        self.digest, self.minseed, self.minleech, self.freeleech = 4 * [None]

    def _authorised(self, **kwargs):

        return super(TorrentLeechProvider, self)._authorised(
            logged_in=(lambda y='': all(
                ['TorrentLeech' in y, 'type="password"' not in y[0:4096], self.has_all_cookies(pre='tl')])),
            failed_msg=(lambda y=None: u'Invalid cookie details for %s. Check settings'))

    @staticmethod
    def _has_signature(data=None):
        return generic.TorrentProvider._has_signature(data) or (data and re.search(r'(?i)<title[^<]+?leech', data))

    def _search_provider(self, search_params, **kwargs):

        results = []
        if not self._authorised():
            return results

        last_recent_search = self.last_recent_search
        last_recent_search = '' if not last_recent_search else last_recent_search.replace('id-', '')
        for mode in search_params.keys():
            urls = []
            for search_string in search_params[mode]:
                urls += [[]]
                for page in range((3, 5)['Cache' == mode])[1:]:
                    urls[-1] += [self.urls[('search', 'browse')['Cache' == mode]] % {
                        'cats': self._categories_string(mode, '', ','),
                        'query': isinstance(search_string, unicode) and unidecode(search_string) or search_string,
                        'x': '%spage/%s' % (('facets/tags:FREELEECH/', '')[not self.freeleech], page)
                    }]
            results += self._search_urls(mode, last_recent_search, urls)
            last_recent_search = ''

        return results

    def _search_urls(self, mode, last_recent_search, urls):

        results = []
        items = {'Cache': [], 'Season': [], 'Episode': [], 'Propers': []}

        rc = dict((k, re.compile('(?i)' + v)) for (k, v) in dict(get='download', id=r'download.*?/([\d]+)').items())
        lrs_found = False
        lrs_new = True
        for search_urls in urls:  # this intentionally iterates once to preserve indentation
            for search_url in search_urls:

                html = self.get_url(search_url)
                if self.should_skip():
                    return results

                cnt = len(items[mode])
                cnt_search = 0
                log_settings_hint = False
                try:
                    if not html or self._has_no_results(html):
                        raise generic.HaltParseException

                    with BS4Parser(html) as soup:
                        tbl = soup.find(id='torrenttable')
                        tbl_rows = [] if not tbl else tbl.find_all('tr')

                        if 2 > len(tbl_rows):
                            raise generic.HaltParseException

                        if 'Cache' == mode and 100 > len(tbl_rows):
                            log_settings_hint = True

                        head = None
                        for tr in tbl_rows[1:]:
                            cells = tr.find_all('td')
                            if 6 > len(cells):
                                continue
                            cnt_search += 1
                            try:
                                head = head if None is not head else self._header_row(tr)
                                seeders, leechers = [tryInt(n) for n in [
                                    tr.find('td', class_=x).get_text().strip() for x in ('seeders', 'leechers')]]
                                if self._reject_item(seeders, leechers):
                                    continue

                                dl = tr.find('a', href=rc['get'])['href']
                                dl_id = rc['id'].findall(dl)[0]
                                lrs_found = dl_id == last_recent_search
                                if lrs_found:
                                    break

                                info = tr.find('td', class_='name').a
                                title = (info.attrs.get('title') or info.get_text()).strip()
                                size = cells[head['size']].get_text().strip()
                                download_url = self._link(dl)
                            except (AttributeError, TypeError, ValueError):
                                continue

                            if title and download_url:
                                items[mode].append((title, download_url, seeders, self._bytesizer(size)))

                except generic.HaltParseException:
                    pass
                except (BaseException, Exception):
                    logger.log(u'Failed to parse. Traceback: %s' % traceback.format_exc(), logger.ERROR)
                self._log_search(mode, len(items[mode]) - cnt, search_url, log_settings_hint)

                if self.is_search_finished(mode, items, cnt_search, rc['id'], last_recent_search, lrs_new, lrs_found):
                    break
                lrs_new = False

            results = self._sort_seeding(mode, results + items[mode])

        return results

    def _episode_strings(self, ep_obj, **kwargs):

        return super(TorrentLeechProvider, self)._episode_strings(ep_obj, sep_date='|', **kwargs)

    def ui_string(self, key):
        return 'torrentleech_digest' == key and self._valid_home() and 'use... \'tluid=xx; tlpass=yy\'' or ''


provider = TorrentLeechProvider()