#  Piratebay (Videos, Music, Files)
#
# @website     https://thepiratebay.se
# @provide-api no (nothing found)
#
# @using-api   no
# @results     HTML (using search portal)
# @stable      yes (HTML can change)
# @parse       url, title, content, seed, leech, magnetlink

from urlparse import urljoin
from cgi import escape
from urllib import quote
from lxml import html
from operator import itemgetter
from searx.engines.xpath import extract_text

# engine dependent config
categories = ['videos', 'music', 'files']
paging = True

# search-url
url = 'https://thepiratebay.se/'
search_url = url + 'search/{search_term}/{pageno}/99/{search_type}'

# piratebay specific type-definitions
search_types = {'files': '0',
                'music': '100',
                'videos': '200'}

# specific xpath variables
magnet_xpath = './/a[@title="Download this torrent using magnet"]'
torrent_xpath = './/a[@title="Download this torrent"]'
content_xpath = './/font[@class="detDesc"]'


# do search-request
def request(query, params):
    search_type = search_types.get(params['category'], '0')

    params['url'] = search_url.format(search_term=quote(query),
                                      search_type=search_type,
                                      pageno=params['pageno'] - 1)

    return params


# get response from search-request
def response(resp):
    results = []

    dom = html.fromstring(resp.text)

    search_res = dom.xpath('//table[@id="searchResult"]//tr')

    # return empty array if nothing is found
    if not search_res:
        return []

    # parse results
    for result in search_res[1:]:
        link = result.xpath('.//div[@class="detName"]//a')[0]
        href = urljoin(url, link.attrib.get('href'))
        title = extract_text(link)
        content = escape(extract_text(result.xpath(content_xpath)))
        seed, leech = result.xpath('.//td[@align="right"]/text()')[:2]

        # convert seed to int if possible
        if seed.isdigit():
            seed = int(seed)
        else:
            seed = 0

        # convert leech to int if possible
        if leech.isdigit():
            leech = int(leech)
        else:
            leech = 0

        magnetlink = result.xpath(magnet_xpath)[0]
        torrentfile_links = result.xpath(torrent_xpath)
        if torrentfile_links:
            torrentfile_link = torrentfile_links[0].attrib.get('href')
        else:
            torrentfile_link = None

        # append result
        results.append({'url': href,
                        'title': title,
                        'content': content,
                        'seed': seed,
                        'leech': leech,
                        'magnetlink': magnetlink.attrib.get('href'),
                        'torrentfile': torrentfile_link,
                        'template': 'torrent.html'})

    # return results sorted by seeder
    return sorted(results, key=itemgetter('seed'), reverse=True)
