# -*- 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 ..six import string_types as basestring
from ..six.moves.urllib.error import HTTPError

from .base_adapter import BaseSiteAdapter,  makeDate

class AdAstraFanficComSiteAdapter(BaseSiteAdapter):

    def __init__(self, config, url):
        BaseSiteAdapter.__init__(self, config, url)
        self.story.setMetadata('siteabbrev','aaff')
        self.is_adult=False

        # 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('http://' + self.getSiteDomain() + '/viewstory.php?sid='+self.story.getMetadata('storyId'))


    @staticmethod
    def getSiteDomain():
        return 'www.adastrafanfic.com'

    @classmethod
    def getSiteExampleURLs(cls):
        return "http://"+cls.getSiteDomain()+"/viewstory.php?sid=1234"

    def getSiteURLPattern(self):
        return re.escape("http://"+self.getSiteDomain()+"/viewstory.php?sid=")+r"\d+$"

    def use_pagecache(self):
        '''
        adapters that will work with the page cache need to implement
        this and change it to True.
        '''
        return True

    def extractChapterUrlsAndMetadata(self):

        if self.is_adult or self.getConfig("is_adult"):
            addurl = "&warning=5"
        else:
            addurl=""

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

        try:
            data = self._fetchUrl(url)
        except HTTPError as e:
            if e.code == 404:
                raise exceptions.StoryDoesNotExist(self.url)
            else:
                raise e

        if "Content is only suitable for mature adults. May contain explicit language and adult themes. Equivalent of NC-17." in data:
            raise exceptions.AdultCheckRequired(self.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.
        data = data[data.index("<body"):]

        # use BeautifulSoup HTML parser to make everything easier to find.
        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','http://'+self.host+'/'+a['href'])
        self.story.setMetadata('author',a.string)

        # Find the chapters:
        for chapter in soup.findAll('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,'http://'+self.host+'/'+chapter['href']+addurl)


        ## <meta name='description' content='&lt;p&gt;Description&lt;/p&gt; ...' >
        ## Summary, strangely, is in the content attr of a <meta name='description'> tag
        ## which is escaped HTML.  Unfortunately, we can't use it because they don't
        ## escape (') chars in the desc, breakin the tag.
        #meta_desc = soup.find('meta',{'name':'description'})
        #metasoup = bs.BeautifulStoneSoup(meta_desc['content'])
        #self.story.setMetadata('description',stripHTML(metasoup))

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

        # <span class="label">Rated:</span> NC-17<br /> etc
        labels = soup.findAll('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 value and 'label' not in defaultGetattr(value,'class'):
                    svalue += unicode(value)
                    value = value.nextSibling
                # sometimes poorly formated desc (<p> w/o </p>) leads
                # to all labels being included.
                svalue=svalue[:svalue.find('<span class="label">')]
                self.setDescription(url,svalue)
                #self.story.setMetadata('description',stripHTML(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.findAll('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.findAll('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)

            if 'Genre' in label:
                genres = labelspan.parent.findAll('a',href=re.compile(r'browse.php\?type=class&type_id=1'))
                genrestext = [genre.string for genre in genres]
                self.genre = ', '.join(genrestext)
                for genre in genrestext:
                    self.story.addToList('genre',genre.string)

            if 'Warnings' in label:
                warnings = labelspan.parent.findAll('a',href=re.compile(r'browse.php\?type=class&type_id=2'))
                warningstext = [warning.string for warning in warnings]
                self.warning = ', '.join(warningstext)
                for warning in warningstext:
                    self.story.addToList('warnings',warning.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(), "%d %b %Y"))

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

            # use BeautifulSoup HTML parser to make everything easier to find.
            seriessoup = self.make_soup(self._fetchUrl(series_url))
            storyas = seriessoup.findAll('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._fetchUrl(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.
        data = data[data.index("<body"):]

        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 AdAstraFanficComSiteAdapter
