# Author: echel0n <echel0n@sickrage.ca>
# URL: https://sickrage.ca
# Git: https://git.sickrage.ca/SiCKRAGE/sickrage
#
# 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 unicode_literals

from urllib import quote_plus

import sickrage
from sickrage.core.caches.tv_cache import TVCache
from sickrage.providers import TorrentProvider


class BitCannonProvider(TorrentProvider):
    def __init__(self):
        super(BitCannonProvider, self).__init__("BitCannon", '127.0.0.1:1337', False)

        self.supports_backlog = True

        self.minseed = None
        self.minleech = None
        self.ratio = 0

        self.cache = TVCache(self, min_time=20)

        self.urls.update({
            'search': '{base_url}/search/'.format(base_url=self.urls['base_url']),
            'trackers': '{base_url}/stats'.format(base_url=self.urls['base_url']),
        })

    def search(self, search_strings, search_mode='eponly', epcount=0, age=0, epObj=None):
        results = []
        items = {'Season': [], 'Episode': [], 'RSS': []}

        try:
            trackers = sickrage.srCore.srWebSession.get(self.urls['trackers']).json().get('Trackers')
        except Exception:
            sickrage.srCore.srLogger.info('Could not get tracker list from BitCannon, aborting search')
            return results

        for mode in search_strings.keys():
            sickrage.srCore.srLogger.debug("Search Mode: %s" % mode)
            for search_string in search_strings[mode]:
                searchURL = self.urls['search'] + search_string
                sickrage.srCore.srLogger.debug("Search URL: %s" % searchURL)

                try:
                    data = sickrage.srCore.srWebSession.get(searchURL).json()
                except Exception:
                    sickrage.srCore.srLogger.debug("No data returned from provider")
                    continue

                for item in data:
                    if 'tv' not in (item.get('Category') or '').lower():
                        continue

                    title = item.get('Title', '')
                    info_hash = item.get('Btih', '')
                    if not all([title, info_hash]):
                        continue

                    swarm = item.get('Swarm', {})
                    seeders = swarm.get('Seeders', 0)
                    leechers = swarm.get('Leechers', 0)
                    size = item.get('Size', -1)

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

                    # Only build the url if we selected it
                    download_url = 'magnet:?xt=urn:btih:%s&dn=%s&tr=%s' % (info_hash, quote_plus(title.encode('utf-8')),
                                                                           '&tr='.join(
                                                                               [quote_plus(x.encode('utf-8')) for x
                                                                                in trackers]))

                    item = title, download_url, size, seeders, leechers
                    if mode != 'RSS':
                        sickrage.srCore.srLogger.debug("Found result: %s " % title)

                    items[mode].append(item)

            # For each search mode sort all the items by seeders if available
            items[mode].sort(key=lambda tup: tup[3], reverse=True)

            results += items[mode]

        return results

    def seed_ratio(self):
        return self.ratio
