# coding: utf-8
from __future__ import unicode_literals

from .common import InfoExtractor
from ..compat import (
    compat_parse_qs,
    compat_urllib_parse_urlparse,
)
from ..utils import (
    clean_html,
    float_or_none,
    int_or_none,
    try_get,
    urlencode_postdata,
)


class CiscoLiveBaseIE(InfoExtractor):
    # These appear to be constant across all Cisco Live presentations
    # and are not tied to any user session or event
    RAINFOCUS_API_URL = 'https://events.rainfocus.com/api/%s'
    RAINFOCUS_API_PROFILE_ID = 'Na3vqYdAlJFSxhYTYQGuMbpafMqftalz'
    RAINFOCUS_WIDGET_ID = 'n6l4Lo05R8fiy3RpUBm447dZN8uNWoye'
    BRIGHTCOVE_URL_TEMPLATE = 'http://players.brightcove.net/5647924234001/SyK2FdqjM_default/index.html?videoId=%s'

    HEADERS = {
        'Origin': 'https://ciscolive.cisco.com',
        'rfApiProfileId': RAINFOCUS_API_PROFILE_ID,
        'rfWidgetId': RAINFOCUS_WIDGET_ID,
    }

    def _call_api(self, ep, rf_id, query, referrer):
        headers = self.HEADERS.copy()
        headers['Referer'] = referrer
        return self._download_json(
            self.RAINFOCUS_API_URL % ep, rf_id, data=urlencode_postdata(query),
            headers=headers)

    def _parse_rf_item(self, rf_item):
        event_name = rf_item.get('eventName')
        title = rf_item['title']
        description = clean_html(rf_item.get('abstract'))
        presenter_name = try_get(rf_item, lambda x: x['participants'][0]['fullName'])
        bc_id = rf_item['videos'][0]['url']
        bc_url = self.BRIGHTCOVE_URL_TEMPLATE % bc_id
        duration = float_or_none(try_get(rf_item, lambda x: x['times'][0]['length']))
        location = try_get(rf_item, lambda x: x['times'][0]['room'])

        if duration:
            duration = duration * 60

        return {
            '_type': 'url_transparent',
            'url': bc_url,
            'ie_key': 'BrightcoveNew',
            'title': title,
            'description': description,
            'duration': duration,
            'creator': presenter_name,
            'location': location,
            'series': event_name,
        }


class CiscoLiveSessionIE(CiscoLiveBaseIE):
    _VALID_URL = r'https?://ciscolive\.cisco\.com/on-demand-library/\??[^#]*#/session/(?P<id>[^/?&]+)'
    _TEST = {
        'url': 'https://ciscolive.cisco.com/on-demand-library/?#/session/1423353499155001FoSs',
        'md5': 'c98acf395ed9c9f766941c70f5352e22',
        'info_dict': {
            'id': '5803694304001',
            'ext': 'mp4',
            'title': '13 Smart Automations to Monitor Your Cisco IOS Network',
            'description': 'md5:ec4a436019e09a918dec17714803f7cc',
            'timestamp': 1530305395,
            'upload_date': '20180629',
            'uploader_id': '5647924234001',
            'location': '16B Mezz.',
        },
        'params': {
            'proxy': '127.0.0.1:8118',
        }
    }

    def _real_extract(self, url):
        rf_id = self._match_id(url)
        rf_result = self._call_api('session', rf_id, {'id': rf_id}, url)
        return self._parse_rf_item(rf_result['items'][0])


class CiscoLiveSearchIE(CiscoLiveBaseIE):
    _VALID_URL = r'https?://ciscolive\.cisco\.com/on-demand-library/'
    _TESTS = [{
        'url': 'https://ciscolive.cisco.com/on-demand-library/?search.event=ciscoliveus2018&search.technicallevel=scpsSkillLevel_aintroductory&search.focus=scpsSessionFocus_designAndDeployment#/',
        'info_dict': {
            'title': 'Filter query',
        },
        'playlist_count': 5,
        'params': {
            'proxy': '127.0.0.1:8118',
        }
    }, {
        'url': 'https://ciscolive.cisco.com/on-demand-library/?search.technology=scpsTechnology_applicationDevelopment&search.technology=scpsTechnology_ipv6&search.focus=scpsSessionFocus_troubleshootingTroubleshooting#/',
        'only_matching': True,
    }]

    @classmethod
    def suitable(cls, url):
        return False if CiscoLiveSessionIE.suitable(url) else super(CiscoLiveSearchIE, cls).suitable(url)

    @staticmethod
    def _check_bc_id_exists(rf_item):
        return int_or_none(try_get(rf_item, lambda x: x['videos'][0]['url'])) is not None

    def _real_extract(self, url):
        rf_query = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
        rf_query['type'] = 'session'
        rf_query['size'] = 1000
        rf_results = self._call_api('search', None, rf_query, url)
        entries = [
            self._parse_rf_item(rf_item)
            for rf_item
            in rf_results['sectionList'][0]['items']
            if self._check_bc_id_exists(rf_item)
        ]
        return self.playlist_result(entries, playlist_title='Filter query')