# coding: utf-8
from __future__ import unicode_literals

from .common import InfoExtractor
from ..utils import parse_iso8601


class PeriscopeIE(InfoExtractor):
    IE_DESC = 'Periscope'
    _VALID_URL = r'https?://(?:www\.)?periscope\.tv/[^/]+/(?P<id>[^/?#]+)'
    # Alive example URLs can be found here http://onperiscope.com/
    _TESTS = [{
        'url': 'https://www.periscope.tv/w/aJUQnjY3MjA3ODF8NTYxMDIyMDl2zCg2pECBgwTqRpQuQD352EMPTKQjT4uqlM3cgWFA-g==',
        'md5': '65b57957972e503fcbbaeed8f4fa04ca',
        'info_dict': {
            'id': '56102209',
            'ext': 'mp4',
            'title': 'Bec Boop - 🚠✈️🇬🇧 Fly above #London in Emirates Air Line cable car at night 🇬🇧✈️🚠 #BoopScope 🎀💗',
            'timestamp': 1438978559,
            'upload_date': '20150807',
            'uploader': 'Bec Boop',
            'uploader_id': '1465763',
        },
        'skip': 'Expires in 24 hours',
    }, {
        'url': 'https://www.periscope.tv/w/1ZkKzPbMVggJv',
        'only_matching': True,
    }, {
        'url': 'https://www.periscope.tv/bastaakanoggano/1OdKrlkZZjOJX',
        'only_matching': True,
    }]

    def _call_api(self, method, value):
        return self._download_json(
            'https://api.periscope.tv/api/v2/%s?broadcast_id=%s' % (method, value), value)

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

        broadcast_data = self._call_api('getBroadcastPublic', token)
        broadcast = broadcast_data['broadcast']
        status = broadcast['status']

        uploader = broadcast.get('user_display_name') or broadcast_data.get('user', {}).get('display_name')
        uploader_id = broadcast.get('user_id') or broadcast_data.get('user', {}).get('id')

        title = '%s - %s' % (uploader, status) if uploader else status
        state = broadcast.get('state').lower()
        if state == 'running':
            title = self._live_title(title)
        timestamp = parse_iso8601(broadcast.get('created_at'))

        thumbnails = [{
            'url': broadcast[image],
        } for image in ('image_url', 'image_url_small') if broadcast.get(image)]

        stream = self._call_api('getAccessPublic', token)

        formats = []
        for format_id in ('replay', 'rtmp', 'hls', 'https_hls'):
            video_url = stream.get(format_id + '_url')
            if not video_url:
                continue
            f = {
                'url': video_url,
                'ext': 'flv' if format_id == 'rtmp' else 'mp4',
            }
            if format_id != 'rtmp':
                f['protocol'] = 'm3u8_native' if state == 'ended' else 'm3u8'
            formats.append(f)
        self._sort_formats(formats)

        return {
            'id': broadcast.get('id') or token,
            'title': title,
            'timestamp': timestamp,
            'uploader': uploader,
            'uploader_id': uploader_id,
            'thumbnails': thumbnails,
            'formats': formats,
        }
