# Author: Mr_Orange <mr_orange@hotmail.it>
# URL: http://code.google.com/p/sickbeard/
#
# 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 with_statement

import time
import re
import urllib, urllib2, urlparse
import sys
import os
import traceback
import datetime

import sickbeard
import generic
from sickbeard.common import Quality, cpu_presets
from sickbeard.name_parser.parser import NameParser, InvalidNameException, InvalidShowException
from sickbeard import db
from sickbeard import classes
from sickbeard import logger
from sickbeard import tvcache
from sickbeard import helpers
from sickbeard import clients
from sickbeard.show_name_helpers import allPossibleShowNames, sanitizeSceneName
from sickbeard.bs4_parser import BS4Parser
from sickbeard.common import Overview
from sickbeard.exceptions import ex
from sickbeard import encodingKludge as ek
from lib import requests
from lib.requests import exceptions
from lib.unidecode import unidecode


class OldPirateBayProvider(generic.TorrentProvider):
    def __init__(self):

        generic.TorrentProvider.__init__(self, "OldPirateBay")

        self.supportsBacklog = True

        self.enabled = False
        self.ratio = None
        self.confirmed = False
        self.minseed = None
        self.minleech = None

        self.cache = OldPirateBayCache(self)

        self.urls = {'base_url': 'https://oldpiratebay.org/'}

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

        self.searchurl = self.url + 'search.php?q=%s&Torrent_sort=seeders.desc' # order by seed

        self.re_title_url = '/torrent/(?P<id>\d+)/(?P<title>.*?)//1".+?(?P<url>magnet.*?)//1".+?(?P<seeders>\d+)</td>.+?(?P<leechers>\d+)</td>'

    def isEnabled(self):
        return self.enabled

    def imageName(self):
        return 'oldpiratebay.png'

    def getQuality(self, item, anime=False):

        quality = Quality.sceneQuality(item[0], anime)
        return quality

    def _reverseQuality(self, quality):

        quality_string = ''

        if quality == Quality.SDTV:
            quality_string = 'HDTV x264'
        if quality == Quality.SDDVD:
            quality_string = 'DVDRIP'
        elif quality == Quality.HDTV:
            quality_string = '720p HDTV x264'
        elif quality == Quality.FULLHDTV:
            quality_string = '1080p HDTV x264'
        elif quality == Quality.RAWHDTV:
            quality_string = '1080i HDTV mpeg2'
        elif quality == Quality.HDWEBDL:
            quality_string = '720p WEB-DL h264'
        elif quality == Quality.FULLHDWEBDL:
            quality_string = '1080p WEB-DL h264'
        elif quality == Quality.HDBLURAY:
            quality_string = '720p Bluray x264'
        elif quality == Quality.FULLHDBLURAY:
            quality_string = '1080p Bluray x264'

        return quality_string

    def _find_season_quality(self, title, torrent_id, ep_number):
        """ Return the modified title of a Season Torrent with the quality found inspecting torrent file list """

        mediaExtensions = ['avi', 'mkv', 'wmv', 'divx',
                           'vob', 'dvr-ms', 'wtv', 'ts'
                                                   'ogv', 'rar', 'zip', 'mp4']

        quality = Quality.UNKNOWN

        fileName = None

        fileURL = self.url + 'torrent/' + str(torrent_id)
        data = self.getURL(fileURL)
        if not data:
            return None

        try:
            with BS4Parser(data, features=["html5lib", "permissive"]) as soup:
                files_tbody = soup.find('div', attrs={'class': 'description-files'}).find('tbody')
                if (not files_tbody):
                    return None
                files = []
                rows = files_tbody.find_all('tr')
                for row in rows:
                    files.append(row.find_all('td')[1].text)

                videoFiles = filter(lambda x: x.rpartition(".")[2].lower() in mediaExtensions, files)

                #Filtering SingleEpisode/MultiSeason Torrent
                if len(videoFiles) < ep_number or len(videoFiles) > float(ep_number * 1.1):
                    logger.log(u"Result " + title + " have " + str(
                        ep_number) + " episode and episodes retrived in torrent are " + str(len(videoFiles)), logger.DEBUG)
                    logger.log(
                        u"Result " + title + " Seem to be a Single Episode or MultiSeason torrent, skipping result...",
                        logger.DEBUG)
                    return None

                if Quality.sceneQuality(title) != Quality.UNKNOWN:
                    return title

                for fileName in videoFiles:
                    quality = Quality.sceneQuality(os.path.basename(fileName))
                    if quality != Quality.UNKNOWN: break

                if fileName is not None and quality == Quality.UNKNOWN:
                    quality = Quality.assumeQuality(os.path.basename(fileName))

                if quality == Quality.UNKNOWN:
                    logger.log(u"Unable to obtain a Season Quality for " + title, logger.DEBUG)
                    return None

                try:
                    myParser = NameParser(showObj=self.show)
                    parse_result = myParser.parse(fileName)
                except (InvalidNameException, InvalidShowException):
                    return None

                logger.log(u"Season quality for " + title + " is " + Quality.qualityStrings[quality], logger.DEBUG)

                if parse_result.series_name and parse_result.season_number:
                    title = parse_result.series_name + ' S%02d' % int(
                        parse_result.season_number) + ' ' + self._reverseQuality(quality)

                return title

        except Exception, e:
            logger.log(u"Failed parsing " + self.name + " Traceback: " + traceback.format_exc(), logger.ERROR)

    def _get_season_search_strings(self, ep_obj):

        search_string = {'Season': []}
        for show_name in set(allPossibleShowNames(self.show)):
            if ep_obj.show.air_by_date or ep_obj.show.sports:
                ep_string = show_name + ' ' + str(ep_obj.airdate).split('-')[0]
                search_string['Season'].append(ep_string)
                ep_string = show_name + ' Season ' + str(ep_obj.airdate).split('-')[0]
                search_string['Season'].append(ep_string)
            elif ep_obj.show.anime:
                ep_string = show_name + ' ' + "%02d" % ep_obj.scene_absolute_number
                search_string['Season'].append(ep_string)
            else:
                ep_string = show_name + ' S%02d' % int(ep_obj.scene_season)
                search_string['Season'].append(ep_string)
                ep_string = show_name + ' Season ' + str(ep_obj.scene_season) + ' -Ep*'
                search_string['Season'].append(ep_string)

            search_string['Season'].append(ep_string)

        return [search_string]

    def _get_episode_search_strings(self, ep_obj, add_string=''):

        search_string = {'Episode': []}

        if self.show.air_by_date:
            for show_name in set(allPossibleShowNames(self.show)):
                ep_string = sanitizeSceneName(show_name) + ' ' + \
                            str(ep_obj.airdate).replace('-', ' ')
                search_string['Episode'].append(ep_string)
        elif self.show.sports:
            for show_name in set(allPossibleShowNames(self.show)):
                ep_string = sanitizeSceneName(show_name) + ' ' + \
                            str(ep_obj.airdate).replace('-', '|') + '|' + \
                            ep_obj.airdate.strftime('%b')
                search_string['Episode'].append(ep_string)
        elif self.show.anime:
            for show_name in set(allPossibleShowNames(self.show)):
                ep_string = sanitizeSceneName(show_name) + ' ' + \
                            "%02i" % int(ep_obj.scene_absolute_number)
                search_string['Episode'].append(ep_string)
        else:
            for show_name in set(allPossibleShowNames(self.show)):
                ep_string = sanitizeSceneName(show_name) + ' ' + \
                            sickbeard.config.naming_ep_type[2] % {'seasonnumber': ep_obj.scene_season,
                                                                  'episodenumber': ep_obj.scene_episode} + '|' + \
                            sickbeard.config.naming_ep_type[0] % {'seasonnumber': ep_obj.scene_season,
                                                                  'episodenumber': ep_obj.scene_episode} + ' %s' % add_string
                search_string['Episode'].append(re.sub('\s+', ' ', ep_string))

        return [search_string]

    def _doSearch(self, search_params, search_mode='eponly', epcount=0, age=0):

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

        for mode in search_params.keys():
            for search_string in search_params[mode]:
                if isinstance(search_string, unicode):
                    search_string = unidecode(search_string)

                if mode != 'RSS':
                    searchURL = self.searchurl % (urllib.quote(search_string))
                else:
                    searchURL = self.url + 'search?iht=8&sort=-created_at'

                logger.log(u"Search string: " + searchURL, logger.DEBUG)

                data = self.getURL(searchURL)
                if not data:
                    continue

                re_title_url = self.proxy._buildRE(self.re_title_url)
                
                match = re.compile(re_title_url, re.DOTALL).finditer(urllib.unquote(data))

                for torrent in match:
                    title = torrent.group('title').replace('_',
                                                           '.')  #Do not know why but SickBeard skip release with '_' in name
                    url = torrent.group('url')
                    id = int(torrent.group('id'))
                    seeders = int(torrent.group('seeders'))
                    leechers = int(torrent.group('leechers'))

                    #Filter unseeded torrent
                    if mode != 'RSS' and (seeders < self.minseed or leechers < self.minleech):
                        continue

                        #Accept Torrent only from Good People for every Episode Search
                    if self.confirmed and re.search('(VIP|Trusted|Helper|Moderator)', torrent.group(0)) is None:
                        logger.log(u"OldPirateBay Provider found result " + torrent.group(
                            'title') + " but that doesn't seem like a trusted result so I'm ignoring it", logger.DEBUG)
                        continue

                    #Check number video files = episode in season and find the real Quality for full season torrent analyzing files in torrent 
                    if mode == 'Season' and search_mode == 'sponly':
                        ep_number = int(epcount / len(set(allPossibleShowNames(self.show))))
                        title = self._find_season_quality(title, id, ep_number)

                    if not title or not url:
                        continue

                    item = title, url, id, seeders, leechers

                    items[mode].append(item)

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

            results += items[mode]

        return results

    def _get_title_and_url(self, item):

        title, url, id, seeders, leechers = item

        if title:
            title = u'' + title.replace(' ', '.')

        if url:
            url = url.replace('&amp;', '&')

        return (title, url)

    def findPropers(self, search_date=datetime.datetime.today()):

        results = []

        myDB = db.DBConnection()
        sqlResults = myDB.select(
            'SELECT s.show_name, e.showid, e.season, e.episode, e.status, e.airdate FROM tv_episodes AS e' +
            ' INNER JOIN tv_shows AS s ON (e.showid = s.indexer_id)' +
            ' WHERE e.airdate >= ' + str(search_date.toordinal()) +
            ' AND (e.status IN (' + ','.join([str(x) for x in Quality.DOWNLOADED]) + ')' +
            ' OR (e.status IN (' + ','.join([str(x) for x in Quality.SNATCHED]) + ')))'
        )

        if not sqlResults:
            return []

        for sqlshow in sqlResults:
            self.show = helpers.findCertainShow(sickbeard.showList, int(sqlshow["showid"]))

            if self.show:
                curEp = self.show.getEpisode(int(sqlshow["season"]), int(sqlshow["episode"]))

                searchString = self._get_episode_search_strings(curEp, add_string='PROPER|REPACK')

                for item in self._doSearch(searchString[0]):
                    title, url = self._get_title_and_url(item)
                    results.append(classes.Proper(title, url, datetime.datetime.today(), self.show))

        return results

    def seedRatio(self):
        return self.ratio


class OldPirateBayCache(tvcache.TVCache):
    def __init__(self, provider):

        tvcache.TVCache.__init__(self, provider)

        # only poll OldPirateBay every 10 minutes max
        self.minTime = 20

    def _getRSSData(self):
        search_params = {'RSS': ['rss']}
        return {'entries': self.provider._doSearch(search_params)}

provider = OldPirateBayProvider()