# -*- coding: utf-8 -*-

# Copyright 2011 Fanficdownloader team, 2018 FanFicFare team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Software: eFiction
from __future__ import absolute_import
import logging
logger = logging.getLogger(__name__)
import re
from ..htmlcleanup import stripHTML
from .. import exceptions as exceptions

# py2 vs py3 transition
from ..six import text_type as unicode

from .base_adapter import BaseSiteAdapter,  makeDate

class TwilightedNetSiteAdapter(BaseSiteAdapter):

    def __init__(self, config, url):
        BaseSiteAdapter.__init__(self, config, url)
        self.story.setMetadata('siteabbrev','tw')
        self.username = "NoneGiven" # if left empty, site doesn't return any message at all.
        self.password = ""

        # get storyId from url--url validation guarantees query is only sid=1234
        self.story.setMetadata('storyId',self.parsedUrl.query.split('=',)[1])


        # normalized story URL.
        self._setURL('https://' + self.getSiteDomain() + '/viewstory.php?sid='+self.story.getMetadata('storyId'))


    @staticmethod
    def getSiteDomain():
        return 'www.twilighted.net'

    @classmethod
    def getAcceptDomains(cls):
        return ['www.twilighted.net','twilighted.net']

    @classmethod
    def getSiteExampleURLs(cls):
        return "https://www.twilighted.net/viewstory.php?sid=1234"

    def getSiteURLPattern(self):
        return r"https?"+re.escape("://")+r"(www\.)?"+re.escape("twilighted.net/viewstory.php?sid=")+r"\d+$"

    def needToLoginCheck(self, data):
        if 'Registered Users Only' in data \
                or 'There is no such account on our website' in data \
                or "That password doesn't match the one in our database" in data:
          return True
        else:
          return False

    def performLogin(self, url):
        params = {}

        if self.password:
            params['penname'] = self.username
            params['password'] = self.password
        else:
            params['penname'] = self.getConfig("username")
            params['password'] = self.getConfig("password")
        params['cookiecheck'] = '1'
        params['submit'] = 'Submit'

        loginUrl = 'https://' + self.getSiteDomain() + '/user.php?action=login'
        logger.debug("Will now login to URL (%s) as (%s)" % (loginUrl,
                                                              params['penname']))

        d = self.post_request(loginUrl, params)

        if "Member Account" not in d : #Member Account
            logger.info("Failed to login to URL %s as %s" % (loginUrl,
                                                              params['penname']))
            raise exceptions.FailedToLogin(url,params['penname'])
            return False
        else:
            return True

    def extractChapterUrlsAndMetadata(self):

        url = self.url+'&index=1'
        logger.debug("URL: "+url)

        data = self.get_request(url)

        if self.needToLoginCheck(data):
            # need to log in for this one.
            self.performLogin(url)
            data = self.get_request(url)

        if "Access denied. This story has not been validated by the adminstrators of this site." in data:
            raise exceptions.AccessDenied(self.getSiteDomain() +" says: Access denied. This story has not been validated by the adminstrators of this site.")

        # problems with some stories, but only in calibre.  I suspect
        # issues with different SGML parsers in python.  This is a
        # nasty hack, but it works.
        # twilighted isn't writing <body> ??? wtf?
        data = "<html><body>"+data[data.index("</head>"):]

        soup = self.make_soup(data)

        ## Title
        a = soup.find('a', href=re.compile(r'viewstory.php\?sid='+self.story.getMetadata('storyId')+"$"))
        self.story.setMetadata('title',stripHTML(a))

        # Find authorid and URL from... author url.
        a = soup.find('a', href=re.compile(r"viewuser.php"))
        self.story.setMetadata('authorId',a['href'].split('=')[1])
        self.story.setMetadata('authorUrl','https://'+self.host+'/'+a['href'])
        self.story.setMetadata('author',a.string)

        # Find the chapters:
        for chapter in soup.find_all('a', href=re.compile(r'viewstory.php\?sid='+self.story.getMetadata('storyId')+r"&chapter=\d+$")):
            # just in case there's tags, like <i> in chapter titles.
            self.add_chapter(chapter,'https://'+self.host+'/'+chapter['href'])


        def defaultGetattr(d,k):
            try:
                return d[k]
            except:
                return ""

        # <span class="label">Rated:</span> NC-17<br /> etc
        labels = soup.find_all('span',{'class':'label'})
        for labelspan in labels:
            value = labelspan.nextSibling
            label = labelspan.string

            if 'Summary' in label:
                ## Everything until the next span class='label'
                svalue = ""
                while 'label' not in defaultGetattr(value,'class'):
                    svalue += unicode(value)
                    value = value.nextSibling
                self.setDescription(url,svalue)

            if 'Rated' in label:
                self.story.setMetadata('rating', value)

            if 'Word count' in label:
                self.story.setMetadata('numWords', value)

            if 'Categories' in label:
                cats = labelspan.parent.find_all('a',href=re.compile(r'browse.php\?type=categories'))
                catstext = [cat.string for cat in cats]
                for cat in catstext:
                    self.story.addToList('category',cat.string)

            if 'Characters' in label:
                chars = labelspan.parent.find_all('a',href=re.compile(r'browse.php\?type=characters'))
                charstext = [char.string for char in chars]
                for char in charstext:
                    self.story.addToList('characters',char.string)

            ## twilighted.net doesn't use genre.
            # if 'Genre' in label:
            #     genres = labelspan.parent.find_all('a',href=re.compile(r'browse.php\?type=class'))
            #     genrestext = [genre.string for genre in genres]
            #     self.genre = ', '.join(genrestext)
            #     for genre in genrestext:
            #         self.story.addToList('genre',genre.string)

            if 'Completed' in label:
                if 'Yes' in value:
                    self.story.setMetadata('status', 'Completed')
                else:
                    self.story.setMetadata('status', 'In-Progress')

            if 'Published' in label:
                self.story.setMetadata('datePublished', makeDate(value.strip(), "%B %d, %Y"))

            if 'Updated' in label:
                # there's a stray [ at the end.
                #value = value[0:-1]
                self.story.setMetadata('dateUpdated', makeDate(value.strip(), "%B %d, %Y"))

        try:
            # Find Series name from series URL.
            a = soup.find('a', href=re.compile(r"viewseries.php\?seriesid=\d+"))
            series_name = a.string
            series_url = 'https://'+self.host+'/'+a['href']

            seriessoup = self.make_soup(self.get_request(series_url))
            storyas = seriessoup.find_all('a', href=re.compile(r'^viewstory.php\?sid=\d+$'))
            i=1
            for a in storyas:
                if a['href'] == ('viewstory.php?sid='+self.story.getMetadata('storyId')):
                    self.setSeries(series_name, i)
                    self.story.setMetadata('seriesUrl',series_url)
                    break
                i+=1

        except:
            # I find it hard to care if the series parsing fails
            pass

    def getChapterText(self, url):

        logger.debug('Getting chapter text from: %s' % url)

        data = self.get_request(url)
        # problems with some stories, but only in calibre.  I suspect
        # issues with different SGML parsers in python.  This is a
        # nasty hack, but it works.
        # twilighted isn't writing <body> ??? wtf?
        data = "<html><body>"+data[data.index("</head>"):]

        soup = self.make_soup(data)

        span = soup.find('div', {'id' : 'story'})

        if None == span:
            raise exceptions.FailedToDownload("Error downloading Chapter: %s!  Missing required element!" % url)

        return self.utf8FromSoup(url,span)

def getClass():
    return TwilightedNetSiteAdapter
