# 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 .. import logger
from ..helpers import try_int
from bs4_parser import BS4Parser

from six import iteritems


class TorrentingProvider(generic.TorrentProvider):

    def __init__(self):
        generic.TorrentProvider.__init__(self, 'Torrenting')

        self.url_home = ['https://%s/' % u for u in ('www.torrenting.com', 'ttonline.us')]

        self.url_vars = {'login': 'rss.php', 'search': 'browse.php?%s&search=%s'}
        self.url_tmpl = {'config_provider_home_uri': '%(home)s', 'login': '%(home)s%(vars)s',
                         'search': '%(home)s%(vars)s'}

        self.categories = {'shows': [4, 5]}

        self.digest, self.minseed, self.minleech = 3 * [None]

    def _authorised(self, **kwargs):

        return super(TorrentingProvider, self)._authorised(
            logged_in=(lambda y='': all(
                ['RSS link' in y, self.has_all_cookies()] +
                [(self.session.cookies.get(x) or 'sg!no!pw') in self.digest for x in ('uid', 'pass')])),
            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[^<]+?Torrenting', data))

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

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

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

        rc = dict([(k, re.compile('(?i)' + v)) for (k, v) in iteritems({
            'info': 'detail', 'cats': 'cat=(?:%s)' % self._categories_string(template='', delimiter='|'),
            'get': 'download'})])
        for mode in search_params:
            for search_string in search_params[mode]:
                search_url = self.urls['search'] % (self._categories_string(), search_string)

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

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

                    with BS4Parser(html, parse_only=dict(table={'id': 'torrentsTable'})) as tbl:
                        tbl_rows = [] if not tbl else tbl.find_all('tr')

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

                        head = None
                        for tr in tbl_rows[1:]:
                            cells = tr.find_all('td')
                            if 4 > len(cells):
                                continue
                            try:
                                head = head if None is not head else self._header_row(tr)
                                seeders, leechers, size = [try_int(n, n) for n in [
                                    cells[head[x]].get_text().strip() for x in ('seed', 'leech', 'size')]]
                                if None is tr.find('a', href=rc['cats']) or self._reject_item(seeders, leechers):
                                    continue

                                info = tr.find('a', href=rc['info'])
                                title = (info.attrs.get('title') or info.get_text()).strip()
                                download_url = self._link(tr.find('a', href=rc['get'])['href'])
                            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)

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

        return results

    @staticmethod
    def ui_string(key):

        return 'torrenting_digest' == key and 'use... \'uid=xx; pass=yy\'' or ''


provider = TorrentingProvider()