# encoding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..utils import (
    ExtractorError,
    int_or_none,
)


class NewstubeIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?newstube\.ru/media/(?P<id>.+)'
    _TEST = {
        'url': 'http://www.newstube.ru/media/telekanal-cnn-peremestil-gorod-slavyansk-v-krym',
        'md5': '801eef0c2a9f4089fa04e4fe3533abdc',
        'info_dict': {
            'id': '728e0ef2-e187-4012-bac0-5a081fdcb1f6',
            'ext': 'mp4',
            'title': 'Телеканал CNN переместил город Славянск в Крым',
            'description': 'md5:419a8c9f03442bc0b0a794d689360335',
            'duration': 31.05,
        },
    }

    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)
        video_id = mobj.group('id')

        page = self._download_webpage(url, video_id, 'Downloading page')

        video_guid = self._html_search_regex(
            r'<meta property="og:video:url" content="https?://(?:www\.)?newstube\.ru/freshplayer\.swf\?guid=(?P<guid>[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12})',
            page, 'video GUID')

        player = self._download_xml(
            'http://p.newstube.ru/v2/player.asmx/GetAutoPlayInfo6?state=&url=%s&sessionId=&id=%s&placement=profile&location=n2' % (url, video_guid),
            video_guid, 'Downloading player XML')

        def ns(s):
            return s.replace('/', '/%(ns)s') % {'ns': '{http://app1.newstube.ru/N2SiteWS/player.asmx}'}

        error_message = player.find(ns('./ErrorMessage'))
        if error_message is not None:
            raise ExtractorError('%s returned error: %s' % (self.IE_NAME, error_message.text), expected=True)

        session_id = player.find(ns('./SessionId')).text
        media_info = player.find(ns('./Medias/MediaInfo'))
        title = media_info.find(ns('./Name')).text
        description = self._og_search_description(page)
        thumbnail = media_info.find(ns('./KeyFrame')).text
        duration = int(media_info.find(ns('./Duration')).text) / 1000.0

        formats = []

        for stream_info in media_info.findall(ns('./Streams/StreamInfo')):
            media_location = stream_info.find(ns('./MediaLocation'))
            if media_location is None:
                continue

            server = media_location.find(ns('./Server')).text
            app = media_location.find(ns('./App')).text
            media_id = stream_info.find(ns('./Id')).text
            name = stream_info.find(ns('./Name')).text
            width = int(stream_info.find(ns('./Width')).text)
            height = int(stream_info.find(ns('./Height')).text)

            formats.append({
                'url': 'rtmp://%s/%s' % (server, app),
                'app': app,
                'play_path': '01/%s' % video_guid.upper(),
                'rtmp_conn': ['S:%s' % session_id, 'S:%s' % media_id, 'S:n2'],
                'page_url': url,
                'ext': 'flv',
                'format_id': 'rtmp' + ('-%s' % name if name else ''),
                'width': width,
                'height': height,
            })

        sources_data = self._download_json(
            'http://www.newstube.ru/player2/getsources?guid=%s' % video_guid,
            video_guid, fatal=False)
        if sources_data:
            for source in sources_data.get('Sources', []):
                source_url = source.get('Src')
                if not source_url:
                    continue
                height = int_or_none(source.get('Height'))
                f = {
                    'format_id': 'http' + ('-%dp' % height if height else ''),
                    'url': source_url,
                    'width': int_or_none(source.get('Width')),
                    'height': height,
                }
                source_type = source.get('Type')
                if source_type:
                    mobj = re.search(r'codecs="([^,]+),\s*([^"]+)"', source_type)
                    if mobj:
                        vcodec, acodec = mobj.groups()
                        f.update({
                            'vcodec': vcodec,
                            'acodec': acodec,
                        })
                formats.append(f)

        self._check_formats(formats, video_guid)
        self._sort_formats(formats)

        return {
            'id': video_guid,
            'title': title,
            'description': description,
            'thumbnail': thumbnail,
            'duration': duration,
            'formats': formats,
        }
