# Doku Wiki
#
# @website     https://www.dokuwiki.org/
# @provide-api yes
#              (https://www.dokuwiki.org/devel:xmlrpc)
#
# @using-api   no
# @results     HTML
# @stable      yes
# @parse       (general)    url, title, content

from urllib import urlencode
from lxml.html import fromstring
from searx.engines.xpath import extract_text
from datetime import datetime

# engine dependent config
categories = ['general']  # TODO , 'images', 'music', 'videos', 'files'
paging = False
language_support = False
number_of_results = 5

# search-url
# Doku is OpenSearch compatible
base_url = 'https://dev.ryzom.com'
search_url = '/search?wiki_pages=1&{query}'
# TODO             '&startRecord={offset}'\
# TODO             '&maximumRecords={limit}'\


# do search-request
def request(query, params):

    params['url'] = base_url +\
            search_url.format(query=urlencode({'q': query}))

    return params


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

    doc = fromstring(resp.text)

    # Search
    i = 0
    for r in doc.xpath('//dl[@id="search-results"]/dt'):
        try:
            res_url = r.xpath('.//a/@href')[-1]
            title = extract_text(r.xpath('.//a'))

            i = i + 1

            y = 0

            for s in doc.xpath('//dl[@id="search-results"]/dd'):
                    y = y + 1
                    if y == i:
                        content = extract_text(s.xpath('.//span[@class="description"]'))
                        dataBrut = extract_text(s.xpath('.//span[@class="author"]'))

                        data = dataBrut.split(' ')
                        date = data[0].split('/')

            # append result
            results.append({'title': title,
                            'content': content,
                            'url': base_url + res_url,
                            'publishedDate': datetime(int(date[2]), int(date[0]), int(date[1]), 0, 0, 0)})


        except:
            continue

    # return results
    return results