# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from .generic import GenericIE


class IbmThinkPlaylistIE(InfoExtractor):
    IE_DESC = 'IBM Think Playlist'
    IE_NAME = 'IBMThink:playlist'
    _VALID_URL = r'https?://(?:www\.)?ibm\.com/events/think/watch/playlist/(?P<id>[0-9]+)/?'
    _TESTS = [{
        'url': 'https://www.ibm.com/events/think/watch/playlist/241295/',
        'info_dict': {
            'id': '241295',
            'title': 'Five innovations that will help change our lives within five years',
            'description': 'Discover what the world is thinking at Think 2018, IBM\'s first business event to go beyond IT conference, exploring cloud technology, data analytics & security.'
        },
        'playlist_mincount': 6
    }]

    def _real_extract(self, url):
        playlist_id = self._match_id(url)
        webpage = self._download_webpage(url, playlist_id)
        entries = [self.url_result(m, GenericIE.ie_key()) for m in re.findall(r'<a href="(.+?)" class="video-list-item js-video-list-item?">', webpage)]
        title = self._html_search_regex(r'<title>.+?\s\|\s.+?\s\|\s(.+?)</title>', webpage, 'title', fatal=False)
        description = self._og_search_description(webpage)
        return self.playlist_result(entries, playlist_id, title, description)