# 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 time
import datetime
import urllib
import urlparse
import sys
import generic
import sickbeard

from lib import requests
from lib.requests import exceptions
from sickbeard import classes
from sickbeard import logger, tvcache, exceptions
from sickbeard import helpers
from sickbeard import clients
from sickbeard.common import cpu_presets
from sickbeard.exceptions import ex, AuthException
try:
    import json
except ImportError:
    from lib import simplejson as json


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

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

        self.supportsBacklog = True

        self.enabled = False
        self.username = None
        self.passkey = None
        self.ratio = None

        self.cache = HDBitsCache(self)

        self.url = 'https://hdbits.org'
        self.search_url = 'https://hdbits.org/api/torrents'
        self.rss_url = 'https://hdbits.org/api/torrents'
        self.download_url = 'https://hdbits.org/download.php?'

    def _checkAuth(self):

        if not self.username or not self.passkey:
            raise AuthException("Your authentication credentials for " + self.name + " are missing, check your config.")

        return True

    def _checkAuthFromData(self, parsedJSON):

        if 'status' in parsedJSON and 'message' in parsedJSON:
            if parsedJSON.get('status') == 5:
                logger.log(u"Incorrect authentication credentials for " + self.name + " : " + parsedJSON['message'],
                           logger.DEBUG)
                raise AuthException(
                    "Your authentication credentials for " + self.name + " are incorrect, check your config.")

        return True

    def _get_season_search_strings(self, ep_obj):
        season_search_string = [self._make_post_data_JSON(show=ep_obj.show, season=ep_obj)]
        return season_search_string

    def _get_episode_search_strings(self, ep_obj, add_string=''):
        episode_search_string = [self._make_post_data_JSON(show=ep_obj.show, episode=ep_obj)]
        return episode_search_string

    def _get_title_and_url(self, item):

        title = item['name']
        if title:
            title = u'' + title
            title = title.replace(' ', '.')

        url = self.download_url + urllib.urlencode({'id': item['id'], 'passkey': self.passkey})

        return (title, url)

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

        self._checkAuth()

        logger.log(u"Search url: " + self.search_url + " search_params: " + search_params, logger.DEBUG)

        parsedJSON = self.getURL(self.search_url, post_data=search_params, json=True)
        if not parsedJSON:
            return []

        if self._checkAuthFromData(parsedJSON):
            if parsedJSON and 'data' in parsedJSON:
                items = parsedJSON['data']
            else:
                logger.log(u"Resulting JSON from " + self.name + " isn't correct, not parsing it", logger.ERROR)
                items = []

            for item in items:
                results.append(item)

        return results

    def findPropers(self, search_date=None):
        results = []

        search_terms = [' proper ', ' repack ']

        for term in search_terms:
            for item in self._doSearch(self._make_post_data_JSON(search_term=term)):
                if item['utadded']:
                    try:
                        result_date = datetime.datetime.fromtimestamp(int(item['utadded']))
                    except:
                        result_date = None

                    if result_date:
                        if not search_date or result_date > search_date:
                            title, url = self._get_title_and_url(item)
                            results.append(classes.Proper(title, url, result_date, self.show))

        return results

    def _make_post_data_JSON(self, show=None, episode=None, season=None, search_term=None):

        post_data = {
            'username': self.username,
            'passkey': self.passkey,
            'category': [2],
            # TV Category
        }

        if episode:
            if show.air_by_date:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'episode': str(episode.airdate).replace('-', '|')
                }
            elif show.sports:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'episode': episode.airdate.strftime('%b')
                }
            elif show.anime:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'episode': "%i" % int(episode.scene_absolute_number)
                }
            else:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'season': episode.scene_season,
                    'episode': episode.scene_episode
                }

        if season:
            if show.air_by_date or show.sports:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'season': str(season.airdate)[:7],
                }
            elif show.anime:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'season': "%d" % season.scene_absolute_number,
                }
            else:
                post_data['tvdb'] = {
                    'id': show.indexerid,
                    'season': season.scene_season,
                }

        if search_term:
            post_data['search'] = search_term

        return json.dumps(post_data)

    def seedRatio(self):
        return self.ratio


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

        tvcache.TVCache.__init__(self, provider)

        # only poll HDBits every 15 minutes max
        self.minTime = 15

    def _getRSSData(self):
        parsedJSON = self.provider.getURL(self.provider.rss_url, post_data=self.provider._make_post_data_JSON(), json=True)

        if not self.provider._checkAuthFromData(parsedJSON):
            return []

        if parsedJSON and 'data' in parsedJSON:
            return parsedJSON['data']
        else:
            return []


provider = HDBitsProvider()