# Author: moparisthebest <admin@moparisthebest.com>
#
# This file is part of Sick Beard.
#
# Sick Beard 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.
#
# Sick Beard 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 Sick Beard.  If not, see <http://www.gnu.org/licenses/>.
import urllib
import re
import time

import sickbeard

import generic

from sickbeard import logger
from sickbeard import tvcache
from sickbeard.exceptions import AuthException

class BinSearchProvider(generic.NZBProvider):
    def __init__(self):
        generic.NZBProvider.__init__(self, "BinSearch")
        self.enabled = False
        self.cache = BinSearchCache(self)
        self.urls = {'base_url': 'https://www.binsearch.info/'}
        self.url = self.urls['base_url']

    def isEnabled(self):
        return self.enabled

class BinSearchCache(tvcache.TVCache):
    def __init__(self, provider):
        tvcache.TVCache.__init__(self, provider)
        # only poll Binsearch every 30 minutes max
        self.minTime = 30

        # compile and save our regular expressions

        # this pulls the title from the URL in the description
        self.descTitleStart = re.compile('^.*https?://www\.binsearch\.info/.b=')
        self.descTitleEnd = re.compile('&amp;.*$')

        # these clean up the horrible mess of a title if the above fail
        self.titleCleaners = [
            re.compile('.?yEnc.?\(\d+/\d+\)$'),
            re.compile(' \[\d+/\d+\] '),
        ]

    def _get_title_and_url(self, item):
        """
        Retrieves the title and URL data from the item XML node

        item: An elementtree.ElementTree element representing the <item> tag of the RSS feed

        Returns: A tuple containing two strings representing title and URL respectively
        """

        title = item.get('description')
        if title:
            title = u'' + title
            if self.descTitleStart.match(title):
                title = self.descTitleStart.sub('', title)
                title = self.descTitleEnd.sub('', title)
                title = title.replace('+', '.')
            else:
                # just use the entire title, looks hard/impossible to parse
                title = item.get('title')
                if title:
                    for titleCleaner in self.titleCleaners:
                        title = titleCleaner.sub('', title)

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

        return (title, url)

    def updateCache(self):
        # check if we should update
        if not self.shouldUpdate():
            return

        # clear cache
        self._clearCache()

        # set updated
        self.setLastUpdate()

        cl = []
        for group in ['alt.binaries.boneless','alt.binaries.misc','alt.binaries.hdtv','alt.binaries.hdtv.x264','alt.binaries.tv','alt.binaries.tvseries']:
            url = self.provider.url + 'rss.php?'
            urlArgs = {'max': 1000,'g': group}

            url += urllib.urlencode(urlArgs)

            logger.log(u"BinSearch cache update URL: " + url, logger.DEBUG)

            for item in self.getRSSFeed(url)['entries'] or []:
                ci = self._parseItem(item)
                if ci is not None:
                    cl.append(ci)

        if len(cl) > 0:
            myDB = self._getDB()
            myDB.mass_action(cl)

    def _checkAuth(self, data):
        return data if data['feed'] and data['feed']['title'] != 'Invalid Link' else None

provider = BinSearchProvider()