# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor

from ..compat import compat_urlparse
from ..utils import remove_end, ExtractorError

urljoin = compat_urlparse.urljoin


class FunkIE(InfoExtractor):
    __DEFAULT_PARTNER_ID = "1985051"
    __SITE_BASE_URL = "http://funk.net"
    __HREF_REGEX = '/(?P<type>serien|formate)/(?P<format_id>[^/]+)(/items/(?P<id>[^/ ]+))?'
    _VALID_URL = r'https?://(?:www\.)?funk.net' + __HREF_REGEX
    _TESTS = [
        {
            'url':
            'https://www.funk.net/formate/57d979a6e4b0cceb1f32525b/items/5795f790e4b024998601b326',
            'md5': '713849b6f0d2ea3f7c8dde57e0e6a23e',
            'info_dict': {
                'id': '5795f790e4b024998601b326',
                'ext': 'mp4',
                'title':
                'Fl\xfcchtlinge: CASH-COWS der Security-Branche | HEADLINEZ',
                'upload_date': '20160725',
                'description': 'md5:086efbc3b84d348f9e7143dce4b5668d',
                'uploader_id': 'jan.lind@ard.de',
                'timestamp': 1469446028
            },
        },
        {
            'url':
            'https://www.funk.net/serien/5811f8a7e4b0ba94db917ea5/items/5810f83be4b0ba94db9156ed',
            'md5': 'c5f3c22ff3eab1938dd61101d3482f4e',
            'info_dict': {
                'id': '5810f83be4b0ba94db9156ed',
                'ext': 'mp4',
                'title': 'Dein Wunsch ist mir Befehl I WISHLIST Folge 1',
                'upload_date': '20161026',
                'description': 'md5:1bac02b2c380803f8c68f991b1ba7599',
                'uploader_id': 'Wishlist',
                'timestamp': 1477507117
            },
        },
        {
            'url': 'https://www.funk.net/serien/5811f8a7e4b0ba94db917ea5',
            'info_dict': {
                'id': '5811f8a7e4b0ba94db917ea5',
            },
            'playlist_count': 10,
        }
    ]

    def _real_extract(self, url):
        video_id = self._match_id(url)

        if not video_id:  # no video -> possible playlist page
            mobj = re.match(self._VALID_URL, url)
            format_id = mobj.group('format_id')
            webpage = self._download_webpage(url, format_id)

            entries = [
                self.url_result(self.__SITE_BASE_URL + href[0], FunkIE.ie_key())
                for href in re.findall(
                    r'<a href="(%s)"[^>]+data-open="popup' % self.__HREF_REGEX,
                    webpage)
            ]

            if entries:  # Playlist page
                return self.playlist_result(entries, playlist_id=format_id)

            raise ExtractorError('No downloadable streams found', expected=True)

        webpage = self._download_webpage(url, video_id)

        title = self._html_search_regex(
            r'<title>(.+?)</title>', webpage, 'title', fatal=False)
        title = remove_end(title, " | funk")

        description = self._html_search_meta(
            "description", webpage, fatal=False)

        redirect_meta = self._html_search_meta("refresh", webpage, fatal=True)
        redirect_url_rel = self._search_regex(
            r"url=([^\s]+)", redirect_meta, "refresh_url_regex", fatal=True)

        redirect_url = urljoin(self.__SITE_BASE_URL, redirect_url_rel)

        redirect_page = self._download_webpage(redirect_url, "redirect_page")

        kaltura_vid_id = self._html_search_regex(
            r"renderPlayer\(.*%s.*,\s*'([^']+)'.*\)" % (video_id, ),
            redirect_page, "kaltura_vid_id")

        kaltura_partner_id = self._html_search_regex(
            r'cdnapisec\.kaltura\.com.*/partner_id/([^/,^"]+)',
            redirect_page,
            "kaltura_partner_id",
            default=self.__DEFAULT_PARTNER_ID)

        return {
            '_type': 'url_transparent',
            'url': 'kaltura:%s:%s' % (kaltura_partner_id, kaltura_vid_id),
            'ie_key': 'Kaltura',
            'title': title,
            'id': video_id,
            'description': description
        }