# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..compat import (
    compat_HTTPError,
)
from ..utils import (
    determine_ext,
    int_or_none,
    unescapeHTML,
    unified_timestamp,
    ExtractorError,
)

class ExpressenIE(InfoExtractor):
    _VALID_URL = r'''(?x)
                    https?://
                        (?:www\.)?(?:expressen|di)\.se/
                        (?:(?:tvspelare/video|videoplayer/embed)/)?
                        tv/(?:[^/]+/)*
                        (?P<id>[^/?#&]+)
                    '''
    _TESTS = [{
        'url': 'https://www.expressen.se/tv/ledare/ledarsnack/ledarsnack-om-arbetslosheten-bland-kvinnor-i-speciellt-utsatta-omraden/',
        'md5': '2fbbe3ca14392a6b1b36941858d33a45',
        'info_dict': {
            'id': '8690962',
            'ext': 'mp4',
            'title': 'Ledarsnack: Om arbetslösheten bland kvinnor i speciellt utsatta områden',
            'description': 'md5:f38c81ff69f3de4d269bbda012fcbbba',
            'thumbnail': r're:^https?://.*\.jpg$',
            'duration': 788,
            'timestamp': 1526639109,
            'upload_date': '20180518',
        },
    }, {
        'url': 'https://www.expressen.se/tv/kultur/kulturdebatt-med-expressens-karin-olsson/',
        'only_matching': True,
    }, {
        'url': 'https://www.expressen.se/tvspelare/video/tv/ditv/ekonomistudion/experterna-har-ar-fragorna-som-avgor-valet/?embed=true&external=true&autoplay=true&startVolume=0&partnerId=di',
        'only_matching': True,
    }, {
        'url': 'https://www.expressen.se/videoplayer/embed/tv/ditv/ekonomistudion/experterna-har-ar-fragorna-som-avgor-valet/?embed=true&external=true&autoplay=true&startVolume=0&partnerId=di',
        'only_matching': True,
    }, {
        'url': 'https://www.di.se/videoplayer/embed/tv/ditv/borsmorgon/implantica-rusar-70--under-borspremiaren-hor-styrelsemedlemmen/?embed=true&external=true&autoplay=true&startVolume=0&partnerId=di',
    }, {
        'url': 'https://www.expressen.se/tv/livsstil/halsoliv/5-harliga-fakta-om-kaffe/',
        'md5': '4d4572e17d2bec5fa2c144bb63857934',
        'info_dict': {
            'id': '8790448',
            'ext': 'mp4',
            'title': '5 härliga fakta om kaffe',
            'description': 'md5:b7faa986d02765cdd7ccaa0db4673258',
            'thumbnail': r're:^https?://.*\.jpg$',
            'duration': 56,
            'timestamp': 1531986096,
            'upload_date': '20180719'

        }
    }, {
        'url': 'https://www.expressen.se/videoplayer/embed/tv/livsstil/halsoliv/5-harliga-fakta-om-kaffe',
        'only_matching': True,
    }, {
        'url': 'https://www.expressen.se/tv/livsstil/halsoliv/har-gifter-de-sig-pa-10-000-meters-hojd/',
        'only_matching': True,
    }]

    @staticmethod
    def _extract_urls(webpage):
        return [
            mobj.group('url') for mobj in re.finditer(
                r'<iframe[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//(?:www\.)?(?:expressen|di)\.se/(?:tvspelare/video|videoplayer/embed)/tv/.+?)\1',
                webpage)]

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

        original_url = url
        embed_url = url.replace('expressen.se/tv/', 'expressen.se/videoplayer/embed/tv/')

        urls = (embed_url, original_url)

        def extract_data(name):
            return self._parse_json(
                self._search_regex(
                    r'data-%s=(["\'])(?P<value>(?:(?!\1).)+)\1' % name,
                    webpage, 'info', group='value'),
                display_id, transform_source=unescapeHTML)

        for url in urls:
            last = url == urls[len(urls) - 1]

            try:
                webpage = self._download_webpage(url, display_id)

            except ExtractorError as e:
                if isinstance(e.cause, compat_HTTPError) and e.cause.code == 404:
                    if not last:
                        continue
                    raise ExtractorError('Video not found', expected=True)

            try:
                info = extract_data('video-tracking-info')
                video_id = info['videoId']

                data = extract_data('article-data')
                stream = data['stream']

                if determine_ext(stream) == 'm3u8':
                    formats = self._extract_m3u8_formats(
                        stream, display_id, 'mp4', entry_protocol='m3u8_native',
                        m3u8_id='hls')
                else:
                    formats = [{
                        'url': stream,
                    }]

            except (ExtractorError, KeyError) as e:
                formats = None

            if formats:
                break
            elif last:
                raise ExtractorError('Video not found', expected=True)

        self._sort_formats(formats)

        title = info.get('titleRaw') or data['title']
        description = info.get('descriptionRaw')
        thumbnail = info.get('socialMediaImage') or data.get('image')
        duration = int_or_none(info.get('videoTotalSecondsDuration')
                               or data.get('totalSecondsDuration'))
        timestamp = unified_timestamp(info.get('publishDate'))

        return {
            'id': video_id,
            'display_id': display_id,
            'title': title,
            'description': description,
            'thumbnail': thumbnail,
            'duration': duration,
            'timestamp': timestamp,
            'formats': formats,
        }