# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function, unicode_literals

store_version = 16  # Needed for dynamic plugin loading

__license__ = 'GPL 3'
__copyright__ = '2011-2019, Tomasz Długosz <tomek3d@gmail.com>'
__docformat__ = 'restructuredtext en'

from base64 import b64encode

try:
    from urllib.parse import quote_plus, urlencode
except ImportError:
    from urllib import quote_plus, urlencode

from mechanize import Request
from qt.core import QUrl

from calibre import browser, url_slash_cleaner
from calibre.gui2 import open_url
from calibre.gui2.store import StorePlugin
from calibre.gui2.store.basic_config import BasicStoreConfig
from calibre.gui2.store.search_result import SearchResult
from calibre.gui2.store.web_store_dialog import WebStoreDialog

try:
    from calibre.utils.xml_parse import safe_html_fromstring
except ImportError:
    from lxml.html import fromstring as safe_html_fromstring


def as_base64(data):
    if not isinstance(data, bytes):
        data = data.encode('utf-8')
    ans = b64encode(data)
    if isinstance(ans, bytes):
        ans = ans.decode('ascii')
    return ans


def search(query, max_results=10, timeout=60):
    url = 'https://woblink.com/publication/ajax?mode=none&query=' + quote_plus(query)
    if max_results > 10:
        if max_results > 20:
            url += '&limit=30'
        else:
            url += '&limit=20'
    br = browser(user_agent='CalibreCrawler/1.0')
    br.set_handle_gzip(True)
    rq = Request(url, headers={
        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
        'X-Requested-With': 'XMLHttpRequest',
        'Referrer':'https://woblink.com/ebooki-kategorie',
        'Cache-Control':'max-age=0',
    }, data=urlencode({
        'nw_filtry_filtr_zakrescen_formularz[min]':'0',
        'nw_filtry_filtr_zakrescen_formularz[max]':'350',
    }))
    r = br.open(rq)
    raw = r.read()
    doc = safe_html_fromstring('<html><body>' + raw.decode('utf-8') + '</body></html>')
    counter = max_results

    for data in doc.xpath('//div[@class="nw_katalog_lista_ksiazka ebook " or @class="nw_katalog_lista_ksiazka ebook promocja"]'):
        if counter <= 0:
            break

        id = ''.join(data.xpath('.//div[@class="nw_katalog_lista_ksiazka_okladka nw_okladka"]/a[1]/@href'))
        if not id:
            continue

        cover_url = ''.join(data.xpath('.//div[@class="nw_katalog_lista_ksiazka_okladka nw_okladka"]/a[1]/img/@src'))
        title = ''.join(data.xpath('.//h3[@class="nw_katalog_lista_ksiazka_detale_tytul"]/a[1]/text()'))
        author = ', '.join(data.xpath('.//p[@class="nw_katalog_lista_ksiazka_detale_autor"]/a/text()'))
        price = ''.join(data.xpath('.//div[@class="nw_opcjezakupu_cena"]/span[2]/text()'))
        formats = ', '.join(data.xpath('.//p[@class="nw_katalog_lista_ksiazka_detale_format"]/span/text()'))

        s = SearchResult()
        s.cover_url = cover_url
        s.title = title.strip()
        s.author = author.strip()
        s.price = price + ' zł'
        s.detail_item = id.strip()
        s.formats = formats

        counter -= 1
        s.drm = SearchResult.DRM_LOCKED if 'DRM' in formats else SearchResult.DRM_UNLOCKED
        yield s


class WoblinkStore(BasicStoreConfig, StorePlugin):

    def open(self, parent=None, detail_item=None, external=False):
        aff_root = 'https://www.a4b-tracking.com/pl/stat-click-text-link/16/58/'
        url = 'https://woblink.com/publication'

        aff_url = aff_root + as_base64(url)
        detail_url = None

        if detail_item:
            detail_url = aff_root + as_base64(detail_item)

        if external or self.config.get('open_external', False):
            open_url(QUrl(url_slash_cleaner(detail_url or aff_url)))
        else:
            d = WebStoreDialog(self.gui, url, parent, detail_url or aff_url)
            d.setWindowTitle(self.name)
            d.set_tags(self.config.get('tags', ''))
            d.exec()

    def search(self, query, max_results=10, timeout=60):
        for s in search(query, max_results, timeout):
            yield s


if __name__ == '__main__':
    from pprint import pprint
    pprint(list(search('Franciszek')))
