import datetime
import functools
import itertools
import json
import re
import time
import urllib.parse

from .common import InfoExtractor, SearchInfoExtractor
from ..networking import Request
from ..networking.exceptions import HTTPError
from ..utils import (
    ExtractorError,
    OnDemandPagedList,
    clean_html,
    float_or_none,
    int_or_none,
    join_nonempty,
    parse_duration,
    parse_iso8601,
    parse_resolution,
    qualities,
    remove_start,
    str_or_none,
    traverse_obj,
    try_get,
    unescapeHTML,
    update_url_query,
    url_or_none,
    urlencode_postdata,
    urljoin,
)


class NiconicoIE(InfoExtractor):
    IE_NAME = 'niconico'
    IE_DESC = 'ニコニコ動画'
    _GEO_COUNTRIES = ['JP']
    _GEO_BYPASS = False

    _TESTS = [{
        'url': 'http://www.nicovideo.jp/watch/sm22312215',
        'md5': 'd1a75c0823e2f629128c43e1212760f9',
        'info_dict': {
            'id': 'sm22312215',
            'ext': 'mp4',
            'title': 'Big Buck Bunny',
            'thumbnail': r're:https?://.*',
            'uploader': 'takuya0301',
            'uploader_id': '2698420',
            'upload_date': '20131123',
            'timestamp': int,  # timestamp is unstable
            'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
            'duration': 33,
            'view_count': int,
            'comment_count': int,
            'genres': ['未設定'],
            'tags': [],
            'expected_protocol': str,
        },
    }, {
        # File downloaded with and without credentials are different, so omit
        # the md5 field
        'url': 'http://www.nicovideo.jp/watch/nm14296458',
        'info_dict': {
            'id': 'nm14296458',
            'ext': 'mp4',
            'title': '【Kagamine Rin】Dance on media【Original】take2!',
            'description': 'md5:9368f2b1f4178de64f2602c2f3d6cbf5',
            'thumbnail': r're:https?://.*',
            'uploader': 'りょうた',
            'uploader_id': '18822557',
            'upload_date': '20110429',
            'timestamp': 1304065916,
            'duration': 208.0,
            'comment_count': int,
            'view_count': int,
            'genres': ['音楽・サウンド'],
            'tags': ['Translation_Request', 'Kagamine_Rin', 'Rin_Original'],
            'expected_protocol': str,
        },
    }, {
        # 'video exists but is marked as "deleted"
        # md5 is unstable
        'url': 'http://www.nicovideo.jp/watch/sm10000',
        'info_dict': {
            'id': 'sm10000',
            'ext': 'unknown_video',
            'description': 'deleted',
            'title': 'ドラえもんエターナル第3話「決戦第3新東京市」＜前編＞',
            'thumbnail': r're:https?://.*',
            'upload_date': '20071224',
            'timestamp': int,  # timestamp field has different value if logged in
            'duration': 304,
            'view_count': int,
        },
        'skip': 'Requires an account',
    }, {
        'url': 'http://www.nicovideo.jp/watch/so22543406',
        'info_dict': {
            'id': '1388129933',
            'ext': 'mp4',
            'title': '【第1回】RADIOアニメロミックス ラブライブ！～のぞえりRadio Garden～',
            'description': 'md5:b27d224bb0ff53d3c8269e9f8b561cf1',
            'thumbnail': r're:https?://.*',
            'timestamp': 1388851200,
            'upload_date': '20140104',
            'uploader': 'アニメロチャンネル',
            'uploader_id': '312',
        },
        'skip': 'The viewing period of the video you were searching for has expired.',
    }, {
        # video not available via `getflv`; "old" HTML5 video
        'url': 'http://www.nicovideo.jp/watch/sm1151009',
        'md5': 'f95a3d259172667b293530cc2e41ebda',
        'info_dict': {
            'id': 'sm1151009',
            'ext': 'mp4',
            'title': 'マスターシステム本体内蔵のスペハリのメインテーマ（ＰＳＧ版）',
            'description': 'md5:f95a3d259172667b293530cc2e41ebda',
            'thumbnail': r're:https?://.*',
            'duration': 184,
            'timestamp': 1190835883,
            'upload_date': '20070926',
            'uploader': 'denden2',
            'uploader_id': '1392194',
            'view_count': int,
            'comment_count': int,
            'genres': ['ゲーム'],
            'tags': [],
            'expected_protocol': str,
        },
    }, {
        # "New" HTML5 video
        # md5 is unstable
        'url': 'http://www.nicovideo.jp/watch/sm31464864',
        'info_dict': {
            'id': 'sm31464864',
            'ext': 'mp4',
            'title': '新作TVアニメ「戦姫絶唱シンフォギアAXZ」PV 最高画質',
            'description': 'md5:e52974af9a96e739196b2c1ca72b5feb',
            'timestamp': 1498481660,
            'upload_date': '20170626',
            'uploader': 'no-namamae',
            'uploader_id': '40826363',
            'thumbnail': r're:https?://.*',
            'duration': 198,
            'view_count': int,
            'comment_count': int,
            'genres': ['アニメ'],
            'tags': [],
            'expected_protocol': str,
        },
    }, {
        # Video without owner
        'url': 'http://www.nicovideo.jp/watch/sm18238488',
        'md5': 'd265680a1f92bdcbbd2a507fc9e78a9e',
        'info_dict': {
            'id': 'sm18238488',
            'ext': 'mp4',
            'title': '【実写版】ミュータントタートルズ',
            'description': 'md5:15df8988e47a86f9e978af2064bf6d8e',
            'timestamp': 1341128008,
            'upload_date': '20120701',
            'thumbnail': r're:https?://.*',
            'duration': 5271,
            'view_count': int,
            'comment_count': int,
            'genres': ['エンターテイメント'],
            'tags': [],
            'expected_protocol': str,
        },
    }, {
        'url': 'http://sp.nicovideo.jp/watch/sm28964488?ss_pos=1&cp_in=wt_tg',
        'only_matching': True,
    }, {
        'note': 'a video that is only served as an ENCRYPTED HLS.',
        'url': 'https://www.nicovideo.jp/watch/so38016254',
        'only_matching': True,
    }]

    _VALID_URL = r'https?://(?:(?:www\.|secure\.|sp\.)?nicovideo\.jp/watch|nico\.ms)/(?P<id>(?:[a-z]{2})?[0-9]+)'
    _NETRC_MACHINE = 'niconico'
    _API_HEADERS = {
        'X-Frontend-ID': '6',
        'X-Frontend-Version': '0',
        'X-Niconico-Language': 'en-us',
        'Referer': 'https://www.nicovideo.jp/',
        'Origin': 'https://www.nicovideo.jp',
    }

    def _perform_login(self, username, password):
        login_ok = True
        login_form_strs = {
            'mail_tel': username,
            'password': password,
        }
        self._request_webpage(
            'https://account.nicovideo.jp/login', None,
            note='Acquiring Login session')
        page = self._download_webpage(
            'https://account.nicovideo.jp/login/redirector?show_button_twitter=1&site=niconico&show_button_facebook=1', None,
            note='Logging in', errnote='Unable to log in',
            data=urlencode_postdata(login_form_strs),
            headers={
                'Referer': 'https://account.nicovideo.jp/login',
                'Content-Type': 'application/x-www-form-urlencoded',
            })
        if 'oneTimePw' in page:
            post_url = self._search_regex(
                r'<form[^>]+action=(["\'])(?P<url>.+?)\1', page, 'post url', group='url')
            page = self._download_webpage(
                urljoin('https://account.nicovideo.jp', post_url), None,
                note='Performing MFA', errnote='Unable to complete MFA',
                data=urlencode_postdata({
                    'otp': self._get_tfa_info('6 digits code')
                }), headers={
                    'Content-Type': 'application/x-www-form-urlencoded',
                })
            if 'oneTimePw' in page or 'formError' in page:
                err_msg = self._html_search_regex(
                    r'formError["\']+>(.*?)</div>', page, 'form_error',
                    default='There\'s an error but the message can\'t be parsed.',
                    flags=re.DOTALL)
                self.report_warning(f'Unable to log in: MFA challenge failed, "{err_msg}"')
                return False
        login_ok = 'class="notice error"' not in page
        if not login_ok:
            self.report_warning('Unable to log in: bad username or password')
        return login_ok

    def _get_heartbeat_info(self, info_dict):
        video_id, video_src_id, audio_src_id = info_dict['url'].split(':')[1].split('/')
        dmc_protocol = info_dict['expected_protocol']

        api_data = (
            info_dict.get('_api_data')
            or self._parse_json(
                self._html_search_regex(
                    'data-api-data="([^"]+)"',
                    self._download_webpage('https://www.nicovideo.jp/watch/' + video_id, video_id),
                    'API data', default='{}'),
                video_id))

        session_api_data = try_get(api_data, lambda x: x['media']['delivery']['movie']['session'])
        session_api_endpoint = try_get(session_api_data, lambda x: x['urls'][0])

        def ping():
            tracking_id = traverse_obj(api_data, ('media', 'delivery', 'trackingId'))
            if tracking_id:
                tracking_url = update_url_query('https://nvapi.nicovideo.jp/v1/2ab0cbaa/watch', {'t': tracking_id})
                watch_request_response = self._download_json(
                    tracking_url, video_id,
                    note='Acquiring permission for downloading video', fatal=False,
                    headers=self._API_HEADERS)
                if traverse_obj(watch_request_response, ('meta', 'status')) != 200:
                    self.report_warning('Failed to acquire permission for playing video. Video download may fail.')

        yesno = lambda x: 'yes' if x else 'no'

        if dmc_protocol == 'http':
            protocol = 'http'
            protocol_parameters = {
                'http_output_download_parameters': {
                    'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
                    'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
                }
            }
        elif dmc_protocol == 'hls':
            protocol = 'm3u8'
            segment_duration = try_get(self._configuration_arg('segment_duration'), lambda x: int(x[0])) or 6000
            parsed_token = self._parse_json(session_api_data['token'], video_id)
            encryption = traverse_obj(api_data, ('media', 'delivery', 'encryption'))
            protocol_parameters = {
                'hls_parameters': {
                    'segment_duration': segment_duration,
                    'transfer_preset': '',
                    'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
                    'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
                }
            }
            if 'hls_encryption' in parsed_token and encryption:
                protocol_parameters['hls_parameters']['encryption'] = {
                    parsed_token['hls_encryption']: {
                        'encrypted_key': encryption['encryptedKey'],
                        'key_uri': encryption['keyUri'],
                    }
                }
            else:
                protocol = 'm3u8_native'
        else:
            raise ExtractorError(f'Unsupported DMC protocol: {dmc_protocol}')

        session_response = self._download_json(
            session_api_endpoint['url'], video_id,
            query={'_format': 'json'},
            headers={'Content-Type': 'application/json'},
            note='Downloading JSON metadata for %s' % info_dict['format_id'],
            data=json.dumps({
                'session': {
                    'client_info': {
                        'player_id': session_api_data.get('playerId'),
                    },
                    'content_auth': {
                        'auth_type': try_get(session_api_data, lambda x: x['authTypes'][session_api_data['protocols'][0]]),
                        'content_key_timeout': session_api_data.get('contentKeyTimeout'),
                        'service_id': 'nicovideo',
                        'service_user_id': session_api_data.get('serviceUserId')
                    },
                    'content_id': session_api_data.get('contentId'),
                    'content_src_id_sets': [{
                        'content_src_ids': [{
                            'src_id_to_mux': {
                                'audio_src_ids': [audio_src_id],
                                'video_src_ids': [video_src_id],
                            }
                        }]
                    }],
                    'content_type': 'movie',
                    'content_uri': '',
                    'keep_method': {
                        'heartbeat': {
                            'lifetime': session_api_data.get('heartbeatLifetime')
                        }
                    },
                    'priority': session_api_data['priority'],
                    'protocol': {
                        'name': 'http',
                        'parameters': {
                            'http_parameters': {
                                'parameters': protocol_parameters
                            }
                        }
                    },
                    'recipe_id': session_api_data.get('recipeId'),
                    'session_operation_auth': {
                        'session_operation_auth_by_signature': {
                            'signature': session_api_data.get('signature'),
                            'token': session_api_data.get('token'),
                        }
                    },
                    'timing_constraint': 'unlimited'
                }
            }).encode())

        info_dict['url'] = session_response['data']['session']['content_uri']
        info_dict['protocol'] = protocol

        # get heartbeat info
        heartbeat_info_dict = {
            'url': session_api_endpoint['url'] + '/' + session_response['data']['session']['id'] + '?_format=json&_method=PUT',
            'data': json.dumps(session_response['data']),
            # interval, convert milliseconds to seconds, then halve to make a buffer.
            'interval': float_or_none(session_api_data.get('heartbeatLifetime'), scale=3000),
            'ping': ping
        }

        return info_dict, heartbeat_info_dict

    def _extract_format_for_quality(self, video_id, audio_quality, video_quality, dmc_protocol):

        if not audio_quality.get('isAvailable') or not video_quality.get('isAvailable'):
            return None

        format_id = '-'.join(
            [remove_start(s['id'], 'archive_') for s in (video_quality, audio_quality)] + [dmc_protocol])

        vid_qual_label = traverse_obj(video_quality, ('metadata', 'label'))

        return {
            'url': 'niconico_dmc:%s/%s/%s' % (video_id, video_quality['id'], audio_quality['id']),
            'format_id': format_id,
            'format_note': join_nonempty('DMC', vid_qual_label, dmc_protocol.upper(), delim=' '),
            'ext': 'mp4',  # Session API are used in HTML5, which always serves mp4
            'acodec': 'aac',
            'vcodec': 'h264',
            **traverse_obj(audio_quality, ('metadata', {
                'abr': ('bitrate', {functools.partial(float_or_none, scale=1000)}),
                'asr': ('samplingRate', {int_or_none}),
            })),
            **traverse_obj(video_quality, ('metadata', {
                'vbr': ('bitrate', {functools.partial(float_or_none, scale=1000)}),
                'height': ('resolution', 'height', {int_or_none}),
                'width': ('resolution', 'width', {int_or_none}),
            })),
            'quality': -2 if 'low' in video_quality['id'] else None,
            'protocol': 'niconico_dmc',
            'expected_protocol': dmc_protocol,  # XXX: This is not a documented field
            'http_headers': {
                'Origin': 'https://www.nicovideo.jp',
                'Referer': 'https://www.nicovideo.jp/watch/' + video_id,
            }
        }

    def _yield_dmc_formats(self, api_data, video_id):
        dmc_data = traverse_obj(api_data, ('media', 'delivery', 'movie'))
        audios = traverse_obj(dmc_data, ('audios', ..., {dict}))
        videos = traverse_obj(dmc_data, ('videos', ..., {dict}))
        protocols = traverse_obj(dmc_data, ('session', 'protocols', ..., {str}))
        if not all((audios, videos, protocols)):
            return

        for audio_quality, video_quality, protocol in itertools.product(audios, videos, protocols):
            if fmt := self._extract_format_for_quality(video_id, audio_quality, video_quality, protocol):
                yield fmt

    def _yield_dms_formats(self, api_data, video_id):
        fmt_filter = lambda _, v: v['isAvailable'] and v['id']
        videos = traverse_obj(api_data, ('media', 'domand', 'videos', fmt_filter))
        audios = traverse_obj(api_data, ('media', 'domand', 'audios', fmt_filter))
        access_key = traverse_obj(api_data, ('media', 'domand', 'accessRightKey', {str}))
        track_id = traverse_obj(api_data, ('client', 'watchTrackId', {str}))
        if not all((videos, audios, access_key, track_id)):
            return

        dms_m3u8_url = self._download_json(
            f'https://nvapi.nicovideo.jp/v1/watch/{video_id}/access-rights/hls', video_id,
            data=json.dumps({
                'outputs': list(itertools.product((v['id'] for v in videos), (a['id'] for a in audios)))
            }).encode(), query={'actionTrackId': track_id}, headers={
                'x-access-right-key': access_key,
                'x-frontend-id': 6,
                'x-frontend-version': 0,
                'x-request-with': 'https://www.nicovideo.jp',
            })['data']['contentUrl']
        # Getting all audio formats results in duplicate video formats which we filter out later
        dms_fmts = self._extract_m3u8_formats(dms_m3u8_url, video_id)

        # m3u8 extraction does not provide audio bitrates, so extract from the API data and fix
        for audio_fmt in traverse_obj(dms_fmts, lambda _, v: v['vcodec'] == 'none'):
            yield {
                **audio_fmt,
                **traverse_obj(audios, (lambda _, v: audio_fmt['format_id'].startswith(v['id']), {
                    'format_id': ('id', {str}),
                    'abr': ('bitRate', {functools.partial(float_or_none, scale=1000)}),
                    'asr': ('samplingRate', {int_or_none}),
                }), get_all=False),
                'acodec': 'aac',
                'ext': 'm4a',
            }

        # Sort before removing dupes to keep the format dicts with the lowest tbr
        video_fmts = sorted((fmt for fmt in dms_fmts if fmt['vcodec'] != 'none'), key=lambda f: f['tbr'])
        self._remove_duplicate_formats(video_fmts)
        # Calculate the true vbr/tbr by subtracting the lowest abr
        min_abr = min(traverse_obj(audios, (..., 'bitRate', {float_or_none})), default=0) / 1000
        for video_fmt in video_fmts:
            video_fmt['tbr'] -= min_abr
            video_fmt['format_id'] = f'video-{video_fmt["tbr"]:.0f}'
            yield video_fmt

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

        try:
            webpage, handle = self._download_webpage_handle(
                'https://www.nicovideo.jp/watch/' + video_id, video_id)
            if video_id.startswith('so'):
                video_id = self._match_id(handle.url)

            api_data = self._parse_json(self._html_search_regex(
                'data-api-data="([^"]+)"', webpage,
                'API data', default='{}'), video_id)
        except ExtractorError as e:
            try:
                api_data = self._download_json(
                    'https://www.nicovideo.jp/api/watch/v3/%s?_frontendId=6&_frontendVersion=0&actionTrackId=AAAAAAAAAA_%d' % (video_id, round(time.time() * 1000)), video_id,
                    note='Downloading API JSON', errnote='Unable to fetch data')['data']
            except ExtractorError:
                if not isinstance(e.cause, HTTPError):
                    raise
                webpage = e.cause.response.read().decode('utf-8', 'replace')
                error_msg = self._html_search_regex(
                    r'(?s)<section\s+class="(?:(?:ErrorMessage|WatchExceptionPage-message)\s*)+">(.+?)</section>',
                    webpage, 'error reason', default=None)
                if not error_msg:
                    raise
                raise ExtractorError(clean_html(error_msg), expected=True)

        availability = self._availability(**(traverse_obj(api_data, ('payment', 'video', {
            'needs_premium': ('isPremium', {bool}),
            'needs_subscription': ('isAdmission', {bool}),
        })) or {'needs_auth': True}))
        formats = [*self._yield_dmc_formats(api_data, video_id),
                   *self._yield_dms_formats(api_data, video_id)]
        if not formats:
            fail_msg = clean_html(self._html_search_regex(
                r'<p[^>]+\bclass="fail-message"[^>]*>(?P<msg>.+?)</p>',
                webpage, 'fail message', default=None, group='msg'))
            if fail_msg:
                self.to_screen(f'Niconico said: {fail_msg}')
            if fail_msg and 'された地域と同じ地域からのみ視聴できます。' in fail_msg:
                availability = None
                self.raise_geo_restricted(countries=self._GEO_COUNTRIES, metadata_available=True)
            elif availability == 'premium_only':
                self.raise_login_required('This video requires premium', metadata_available=True)
            elif availability == 'subscriber_only':
                self.raise_login_required('This video is for members only', metadata_available=True)
            elif availability == 'needs_auth':
                self.raise_login_required(metadata_available=False)

        # Start extracting information
        tags = None
        if webpage:
            # use og:video:tag (not logged in)
            og_video_tags = re.finditer(r'<meta\s+property="og:video:tag"\s*content="(.*?)">', webpage)
            tags = list(filter(None, (clean_html(x.group(1)) for x in og_video_tags)))
            if not tags:
                # use keywords and split with comma (not logged in)
                kwds = self._html_search_meta('keywords', webpage, default=None)
                if kwds:
                    tags = [x for x in kwds.split(',') if x]
        if not tags:
            # find in json (logged in)
            tags = traverse_obj(api_data, ('tag', 'items', ..., 'name'))

        thumb_prefs = qualities(['url', 'middleUrl', 'largeUrl', 'player', 'ogp'])

        def get_video_info(*items, get_first=True, **kwargs):
            return traverse_obj(api_data, ('video', *items), get_all=not get_first, **kwargs)

        return {
            'id': video_id,
            '_api_data': api_data,
            'title': get_video_info(('originalTitle', 'title')) or self._og_search_title(webpage, default=None),
            'formats': formats,
            'availability': availability,
            'thumbnails': [{
                'id': key,
                'url': url,
                'ext': 'jpg',
                'preference': thumb_prefs(key),
                **parse_resolution(url, lenient=True),
            } for key, url in (get_video_info('thumbnail') or {}).items() if url],
            'description': clean_html(get_video_info('description')),
            'uploader': traverse_obj(api_data, ('owner', 'nickname'), ('channel', 'name'), ('community', 'name')),
            'uploader_id': str_or_none(traverse_obj(api_data, ('owner', 'id'), ('channel', 'id'), ('community', 'id'))),
            'timestamp': parse_iso8601(get_video_info('registeredAt')) or parse_iso8601(
                self._html_search_meta('video:release_date', webpage, 'date published', default=None)),
            'channel': traverse_obj(api_data, ('channel', 'name'), ('community', 'name')),
            'channel_id': traverse_obj(api_data, ('channel', 'id'), ('community', 'id')),
            'view_count': int_or_none(get_video_info('count', 'view')),
            'tags': tags,
            'genre': traverse_obj(api_data, ('genre', 'label'), ('genre', 'key')),
            'comment_count': get_video_info('count', 'comment', expected_type=int),
            'duration': (
                parse_duration(self._html_search_meta('video:duration', webpage, 'video duration', default=None))
                or get_video_info('duration')),
            'webpage_url': url_or_none(url) or f'https://www.nicovideo.jp/watch/{video_id}',
            'subtitles': self.extract_subtitles(video_id, api_data),
        }

    def _get_subtitles(self, video_id, api_data):
        comments_info = traverse_obj(api_data, ('comment', 'nvComment', {dict})) or {}
        if not comments_info.get('server'):
            return

        danmaku = traverse_obj(self._download_json(
            f'{comments_info["server"]}/v1/threads', video_id, data=json.dumps({
                'additionals': {},
                'params': comments_info.get('params'),
                'threadKey': comments_info.get('threadKey'),
            }).encode(), fatal=False,
            headers={
                'Referer': 'https://www.nicovideo.jp/',
                'Origin': 'https://www.nicovideo.jp',
                'Content-Type': 'text/plain;charset=UTF-8',
                'x-client-os-type': 'others',
                'x-frontend-id': '6',
                'x-frontend-version': '0',
            },
            note='Downloading comments', errnote='Failed to download comments'),
            ('data', 'threads', ..., 'comments', ...))

        return {
            'comments': [{
                'ext': 'json',
                'data': json.dumps(danmaku),
            }],
        }


class NiconicoPlaylistBaseIE(InfoExtractor):
    _PAGE_SIZE = 100

    _API_HEADERS = {
        'X-Frontend-ID': '6',
        'X-Frontend-Version': '0',
        'X-Niconico-Language': 'en-us'
    }

    def _call_api(self, list_id, resource, query):
        raise NotImplementedError('Must be implemented in subclasses')

    @staticmethod
    def _parse_owner(item):
        return {
            'uploader': traverse_obj(item, ('owner', 'name')),
            'uploader_id': traverse_obj(item, ('owner', 'id')),
        }

    def _fetch_page(self, list_id, page):
        page += 1
        resp = self._call_api(list_id, 'page %d' % page, {
            'page': page,
            'pageSize': self._PAGE_SIZE,
        })
        # this is needed to support both mylist and user
        for video in traverse_obj(resp, ('items', ..., ('video', None))) or []:
            video_id = video.get('id')
            if not video_id:
                # skip {"video": {"id": "blablabla", ...}}
                continue
            count = video.get('count') or {}
            get_count = lambda x: int_or_none(count.get(x))
            yield {
                '_type': 'url',
                'id': video_id,
                'title': video.get('title'),
                'url': f'https://www.nicovideo.jp/watch/{video_id}',
                'description': video.get('shortDescription'),
                'duration': int_or_none(video.get('duration')),
                'view_count': get_count('view'),
                'comment_count': get_count('comment'),
                'thumbnail': traverse_obj(video, ('thumbnail', ('nHdUrl', 'largeUrl', 'listingUrl', 'url'))),
                'ie_key': NiconicoIE.ie_key(),
                **self._parse_owner(video),
            }

    def _entries(self, list_id):
        return OnDemandPagedList(functools.partial(self._fetch_page, list_id), self._PAGE_SIZE)


class NiconicoPlaylistIE(NiconicoPlaylistBaseIE):
    IE_NAME = 'niconico:playlist'
    _VALID_URL = r'https?://(?:(?:www\.|sp\.)?nicovideo\.jp|nico\.ms)/(?:user/\d+/)?(?:my/)?mylist/(?:#/)?(?P<id>\d+)'

    _TESTS = [{
        'url': 'http://www.nicovideo.jp/mylist/27411728',
        'info_dict': {
            'id': '27411728',
            'title': 'AKB48のオールナイトニッポン',
            'description': 'md5:d89694c5ded4b6c693dea2db6e41aa08',
            'uploader': 'のっく',
            'uploader_id': '805442',
        },
        'playlist_mincount': 291,
    }, {
        'url': 'https://www.nicovideo.jp/user/805442/mylist/27411728',
        'only_matching': True,
    }, {
        'url': 'https://www.nicovideo.jp/my/mylist/#/68048635',
        'only_matching': True,
    }]

    def _call_api(self, list_id, resource, query):
        return self._download_json(
            f'https://nvapi.nicovideo.jp/v2/mylists/{list_id}', list_id,
            f'Downloading {resource}', query=query,
            headers=self._API_HEADERS)['data']['mylist']

    def _real_extract(self, url):
        list_id = self._match_id(url)
        mylist = self._call_api(list_id, 'list', {
            'pageSize': 1,
        })
        return self.playlist_result(
            self._entries(list_id), list_id,
            mylist.get('name'), mylist.get('description'), **self._parse_owner(mylist))


class NiconicoSeriesIE(InfoExtractor):
    IE_NAME = 'niconico:series'
    _VALID_URL = r'https?://(?:(?:www\.|sp\.)?nicovideo\.jp(?:/user/\d+)?|nico\.ms)/series/(?P<id>\d+)'

    _TESTS = [{
        'url': 'https://www.nicovideo.jp/user/44113208/series/110226',
        'info_dict': {
            'id': '110226',
            'title': 'ご立派ァ！のシリーズ',
        },
        'playlist_mincount': 10,
    }, {
        'url': 'https://www.nicovideo.jp/series/12312/',
        'info_dict': {
            'id': '12312',
            'title': 'バトルスピリッツ　お勧めカード紹介(調整中)',
        },
        'playlist_mincount': 103,
    }, {
        'url': 'https://nico.ms/series/203559',
        'only_matching': True,
    }]

    def _real_extract(self, url):
        list_id = self._match_id(url)
        webpage = self._download_webpage(url, list_id)

        title = self._search_regex(
            (r'<title>「(.+)（全',
             r'<div class="TwitterShareButton"\s+data-text="(.+)\s+https:'),
            webpage, 'title', fatal=False)
        if title:
            title = unescapeHTML(title)
        json_data = next(self._yield_json_ld(webpage, None, fatal=False))
        return self.playlist_from_matches(
            traverse_obj(json_data, ('itemListElement', ..., 'url')), list_id, title, ie=NiconicoIE)


class NiconicoHistoryIE(NiconicoPlaylistBaseIE):
    IE_NAME = 'niconico:history'
    IE_DESC = 'NicoNico user history or likes. Requires cookies.'
    _VALID_URL = r'https?://(?:www\.|sp\.)?nicovideo\.jp/my/(?P<id>history(?:/like)?)'

    _TESTS = [{
        'note': 'PC page, with /video',
        'url': 'https://www.nicovideo.jp/my/history/video',
        'only_matching': True,
    }, {
        'note': 'PC page, without /video',
        'url': 'https://www.nicovideo.jp/my/history',
        'only_matching': True,
    }, {
        'note': 'mobile page, with /video',
        'url': 'https://sp.nicovideo.jp/my/history/video',
        'only_matching': True,
    }, {
        'note': 'mobile page, without /video',
        'url': 'https://sp.nicovideo.jp/my/history',
        'only_matching': True,
    }, {
        'note': 'PC page',
        'url': 'https://www.nicovideo.jp/my/history/like',
        'only_matching': True,
    }, {
        'note': 'Mobile page',
        'url': 'https://sp.nicovideo.jp/my/history/like',
        'only_matching': True,
    }]

    def _call_api(self, list_id, resource, query):
        path = 'likes' if list_id == 'history/like' else 'watch/history'
        return self._download_json(
            f'https://nvapi.nicovideo.jp/v1/users/me/{path}', list_id,
            f'Downloading {resource}', query=query, headers=self._API_HEADERS)['data']

    def _real_extract(self, url):
        list_id = self._match_id(url)
        try:
            mylist = self._call_api(list_id, 'list', {'pageSize': 1})
        except ExtractorError as e:
            if isinstance(e.cause, HTTPError) and e.cause.status == 401:
                self.raise_login_required('You have to be logged in to get your history')
            raise
        return self.playlist_result(self._entries(list_id), list_id, **self._parse_owner(mylist))


class NicovideoSearchBaseIE(InfoExtractor):
    _SEARCH_TYPE = 'search'

    def _entries(self, url, item_id, query=None, note='Downloading page %(page)s'):
        query = query or {}
        pages = [query['page']] if 'page' in query else itertools.count(1)
        for page_num in pages:
            query['page'] = str(page_num)
            webpage = self._download_webpage(url, item_id, query=query, note=note % {'page': page_num})
            results = re.findall(r'(?<=data-video-id=)["\']?(?P<videoid>.*?)(?=["\'])', webpage)
            for item in results:
                yield self.url_result(f'https://www.nicovideo.jp/watch/{item}', 'Niconico', item)
            if not results:
                break

    def _search_results(self, query):
        return self._entries(
            self._proto_relative_url(f'//www.nicovideo.jp/{self._SEARCH_TYPE}/{query}'), query)


class NicovideoSearchIE(NicovideoSearchBaseIE, SearchInfoExtractor):
    IE_DESC = 'Nico video search'
    IE_NAME = 'nicovideo:search'
    _SEARCH_KEY = 'nicosearch'


class NicovideoSearchURLIE(NicovideoSearchBaseIE):
    IE_NAME = f'{NicovideoSearchIE.IE_NAME}_url'
    IE_DESC = 'Nico video search URLs'
    _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/search/(?P<id>[^?#&]+)?'
    _TESTS = [{
        'url': 'http://www.nicovideo.jp/search/sm9',
        'info_dict': {
            'id': 'sm9',
            'title': 'sm9'
        },
        'playlist_mincount': 40,
    }, {
        'url': 'https://www.nicovideo.jp/search/sm9?sort=h&order=d&end=2020-12-31&start=2020-01-01',
        'info_dict': {
            'id': 'sm9',
            'title': 'sm9'
        },
        'playlist_count': 31,
    }]

    def _real_extract(self, url):
        query = self._match_id(url)
        return self.playlist_result(self._entries(url, query), query, query)


class NicovideoSearchDateIE(NicovideoSearchBaseIE, SearchInfoExtractor):
    IE_DESC = 'Nico video search, newest first'
    IE_NAME = f'{NicovideoSearchIE.IE_NAME}:date'
    _SEARCH_KEY = 'nicosearchdate'
    _TESTS = [{
        'url': 'nicosearchdateall:a',
        'info_dict': {
            'id': 'a',
            'title': 'a'
        },
        'playlist_mincount': 1610,
    }]

    _START_DATE = datetime.date(2007, 1, 1)
    _RESULTS_PER_PAGE = 32
    _MAX_PAGES = 50

    def _entries(self, url, item_id, start_date=None, end_date=None):
        start_date, end_date = start_date or self._START_DATE, end_date or datetime.datetime.now().date()

        # If the last page has a full page of videos, we need to break down the query interval further
        last_page_len = len(list(self._get_entries_for_date(
            url, item_id, start_date, end_date, self._MAX_PAGES,
            note=f'Checking number of videos from {start_date} to {end_date}')))
        if (last_page_len == self._RESULTS_PER_PAGE and start_date != end_date):
            midpoint = start_date + ((end_date - start_date) // 2)
            yield from self._entries(url, item_id, midpoint, end_date)
            yield from self._entries(url, item_id, start_date, midpoint)
        else:
            self.to_screen(f'{item_id}: Downloading results from {start_date} to {end_date}')
            yield from self._get_entries_for_date(
                url, item_id, start_date, end_date, note='    Downloading page %(page)s')

    def _get_entries_for_date(self, url, item_id, start_date, end_date=None, page_num=None, note=None):
        query = {
            'start': str(start_date),
            'end': str(end_date or start_date),
            'sort': 'f',
            'order': 'd',
        }
        if page_num:
            query['page'] = str(page_num)

        yield from super()._entries(url, item_id, query=query, note=note)


class NicovideoTagURLIE(NicovideoSearchBaseIE):
    IE_NAME = 'niconico:tag'
    IE_DESC = 'NicoNico video tag URLs'
    _SEARCH_TYPE = 'tag'
    _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/tag/(?P<id>[^?#&]+)?'
    _TESTS = [{
        'url': 'https://www.nicovideo.jp/tag/ドキュメンタリー淫夢',
        'info_dict': {
            'id': 'ドキュメンタリー淫夢',
            'title': 'ドキュメンタリー淫夢'
        },
        'playlist_mincount': 400,
    }]

    def _real_extract(self, url):
        query = self._match_id(url)
        return self.playlist_result(self._entries(url, query), query, query)


class NiconicoUserIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/user/(?P<id>\d+)/?(?:$|[#?])'
    _TEST = {
        'url': 'https://www.nicovideo.jp/user/419948',
        'info_dict': {
            'id': '419948',
        },
        'playlist_mincount': 101,
    }
    _API_URL = "https://nvapi.nicovideo.jp/v1/users/%s/videos?sortKey=registeredAt&sortOrder=desc&pageSize=%s&page=%s"
    _PAGE_SIZE = 100

    _API_HEADERS = {
        'X-Frontend-ID': '6',
        'X-Frontend-Version': '0'
    }

    def _entries(self, list_id):
        total_count = 1
        count = page_num = 0
        while count < total_count:
            json_parsed = self._download_json(
                self._API_URL % (list_id, self._PAGE_SIZE, page_num + 1), list_id,
                headers=self._API_HEADERS,
                note='Downloading JSON metadata%s' % (' page %d' % page_num if page_num else ''))
            if not page_num:
                total_count = int_or_none(json_parsed['data'].get('totalCount'))
            for entry in json_parsed["data"]["items"]:
                count += 1
                yield self.url_result('https://www.nicovideo.jp/watch/%s' % entry['id'])
            page_num += 1

    def _real_extract(self, url):
        list_id = self._match_id(url)
        return self.playlist_result(self._entries(list_id), list_id, ie=NiconicoIE.ie_key())


class NiconicoLiveIE(InfoExtractor):
    IE_NAME = 'niconico:live'
    IE_DESC = 'ニコニコ生放送'
    _VALID_URL = r'https?://(?:sp\.)?live2?\.nicovideo\.jp/(?:watch|gate)/(?P<id>lv\d+)'
    _TESTS = [{
        'note': 'this test case includes invisible characters for title, pasting them as-is',
        'url': 'https://live.nicovideo.jp/watch/lv339533123',
        'info_dict': {
            'id': 'lv339533123',
            'title': '激辛ペヤング食べます‪( ;ᯅ; )‬（歌枠オーディション参加中）',
            'view_count': 1526,
            'comment_count': 1772,
            'description': '初めましてもかって言います❕\nのんびり自由に適当に暮らしてます',
            'uploader': 'もか',
            'channel': 'ゲストさんのコミュニティ',
            'channel_id': 'co5776900',
            'channel_url': 'https://com.nicovideo.jp/community/co5776900',
            'timestamp': 1670677328,
            'is_live': True,
        },
        'skip': 'livestream',
    }, {
        'url': 'https://live2.nicovideo.jp/watch/lv339533123',
        'only_matching': True,
    }, {
        'url': 'https://sp.live.nicovideo.jp/watch/lv339533123',
        'only_matching': True,
    }, {
        'url': 'https://sp.live2.nicovideo.jp/watch/lv339533123',
        'only_matching': True,
    }]

    _KNOWN_LATENCY = ('high', 'low')

    def _real_extract(self, url):
        video_id = self._match_id(url)
        webpage, urlh = self._download_webpage_handle(f'https://live.nicovideo.jp/watch/{video_id}', video_id)

        embedded_data = self._parse_json(unescapeHTML(self._search_regex(
            r'<script\s+id="embedded-data"\s*data-props="(.+?)"', webpage, 'embedded data')), video_id)

        ws_url = traverse_obj(embedded_data, ('site', 'relive', 'webSocketUrl'))
        if not ws_url:
            raise ExtractorError('The live hasn\'t started yet or already ended.', expected=True)
        ws_url = update_url_query(ws_url, {
            'frontend_id': traverse_obj(embedded_data, ('site', 'frontendId')) or '9',
        })

        hostname = remove_start(urllib.parse.urlparse(urlh.url).hostname, 'sp.')
        latency = try_get(self._configuration_arg('latency'), lambda x: x[0])
        if latency not in self._KNOWN_LATENCY:
            latency = 'high'

        ws = self._request_webpage(
            Request(ws_url, headers={'Origin': f'https://{hostname}'}),
            video_id=video_id, note='Connecting to WebSocket server')

        self.write_debug('[debug] Sending HLS server request')
        ws.send(json.dumps({
            'type': 'startWatching',
            'data': {
                'stream': {
                    'quality': 'abr',
                    'protocol': 'hls+fmp4',
                    'latency': latency,
                    'chasePlay': False
                },
                'room': {
                    'protocol': 'webSocket',
                    'commentable': True
                },
                'reconnect': False,
            }
        }))

        while True:
            recv = ws.recv()
            if not recv:
                continue
            data = json.loads(recv)
            if not isinstance(data, dict):
                continue
            if data.get('type') == 'stream':
                m3u8_url = data['data']['uri']
                qualities = data['data']['availableQualities']
                break
            elif data.get('type') == 'disconnect':
                self.write_debug(recv)
                raise ExtractorError('Disconnected at middle of extraction')
            elif data.get('type') == 'error':
                self.write_debug(recv)
                message = traverse_obj(data, ('body', 'code')) or recv
                raise ExtractorError(message)
            elif self.get_param('verbose', False):
                if len(recv) > 100:
                    recv = recv[:100] + '...'
                self.write_debug('Server said: %s' % recv)

        title = traverse_obj(embedded_data, ('program', 'title')) or self._html_search_meta(
            ('og:title', 'twitter:title'), webpage, 'live title', fatal=False)

        raw_thumbs = traverse_obj(embedded_data, ('program', 'thumbnail')) or {}
        thumbnails = []
        for name, value in raw_thumbs.items():
            if not isinstance(value, dict):
                thumbnails.append({
                    'id': name,
                    'url': value,
                    **parse_resolution(value, lenient=True),
                })
                continue

            for k, img_url in value.items():
                res = parse_resolution(k, lenient=True) or parse_resolution(img_url, lenient=True)
                width, height = res.get('width'), res.get('height')

                thumbnails.append({
                    'id': f'{name}_{width}x{height}',
                    'url': img_url,
                    **res,
                })

        formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', live=True)
        for fmt, q in zip(formats, reversed(qualities[1:])):
            fmt.update({
                'format_id': q,
                'protocol': 'niconico_live',
                'ws': ws,
                'video_id': video_id,
                'live_latency': latency,
                'origin': hostname,
            })

        return {
            'id': video_id,
            'title': title,
            **traverse_obj(embedded_data, {
                'view_count': ('program', 'statistics', 'watchCount'),
                'comment_count': ('program', 'statistics', 'commentCount'),
                'uploader': ('program', 'supplier', 'name'),
                'channel': ('socialGroup', 'name'),
                'channel_id': ('socialGroup', 'id'),
                'channel_url': ('socialGroup', 'socialGroupPageUrl'),
            }),
            'description': clean_html(traverse_obj(embedded_data, ('program', 'description'))),
            'timestamp': int_or_none(traverse_obj(embedded_data, ('program', 'openTime'))),
            'is_live': True,
            'thumbnails': thumbnails,
            'formats': formats,
        }