# Author: Nic Wolfe <nic@wolfeden.ca>
# 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/>.

import os
import sickbeard

from urllib import urlencode
from urllib2 import Request, urlopen, HTTPError

from sickbeard import logger
from sickbeard.exceptions import ex
from sickbeard import encodingKludge as ek


class pyTivoNotifier:
    def notify_snatch(self, ep_name):
        pass

    def notify_download(self, ep_name):
        pass

    def notify_subtitle_download(self, ep_name, lang):
        pass

    def update_library(self, ep_obj):

        # Values from config

        if not sickbeard.USE_PYTIVO:
            return False

        host = sickbeard.PYTIVO_HOST
        shareName = sickbeard.PYTIVO_SHARE_NAME
        tsn = sickbeard.PYTIVO_TIVO_NAME

        # There are two more values required, the container and file.
        # 
        # container: The share name, show name and season
        #
        # file: The file name
        # 
        # Some slicing and dicing of variables is required to get at these values.
        #
        # There might be better ways to arrive at the values, but this is the best I have been able to 
        # come up with.
        #


        # Calculated values

        showPath = ep_obj.show.location
        showName = ep_obj.show.name
        rootShowAndSeason = ek.ek(os.path.dirname, ep_obj.location)
        absPath = ep_obj.location

        # Some show names have colons in them which are illegal in a path location, so strip them out.
        # (Are there other characters?)
        showName = showName.replace(":", "")

        root = showPath.replace(showName, "")
        showAndSeason = rootShowAndSeason.replace(root, "")

        container = shareName + "/" + showAndSeason
        file = "/" + absPath.replace(root, "")

        # Finally create the url and make request
        requestUrl = "http://" + host + "/TiVoConnect?" + urlencode(
            {'Command': 'Push', 'Container': container, 'File': file, 'tsn': tsn})

        logger.log(u"pyTivo notification: Requesting " + requestUrl, logger.DEBUG)

        request = Request(requestUrl)

        try:
            response = urlopen(request)  #@UnusedVariable
        except HTTPError , e:
            if hasattr(e, 'reason'):
                logger.log(u"pyTivo notification: Error, failed to reach a server - " + e.reason, logger.ERROR)
                return False
            elif hasattr(e, 'code'):
                logger.log(u"pyTivo notification: Error, the server couldn't fulfill the request - ", + e.code, logger.ERROR) 
            return False
        except Exception, e:
            logger.log(u"PYTIVO: Unknown exception: " + ex(e), logger.ERROR)
            return False
        else:
            logger.log(u"pyTivo notification: Successfully requested transfer of file")
            return True


notifier = pyTivoNotifier