import functools
import re

from .common import InfoExtractor
from ..utils import (
    OnDemandPagedList,
    extract_attributes,
    get_element_by_class,
    get_element_html_by_id,
    get_elements_html_by_attribute,
    parse_count,
    parse_qs,
    remove_end,
    urlencode_postdata,
)


class MurrtubeBaseIE(InfoExtractor):
    _BASE_URL = 'https://murrtube.net'

    def _real_initialize(self):
        if not self._get_cookies(self._BASE_URL).get('age_check'):
            webpage = self._download_webpage(
                self._BASE_URL, None, 'Getting session token')
            self._request_webpage(
                f'{self._BASE_URL}/accept_age_check', None, 'Setting age cookie',
                data=urlencode_postdata(self._hidden_inputs(webpage)))


class MurrtubeIE(MurrtubeBaseIE):
    IE_NAME = 'murrtube'
    IE_DESC = 'Murrtube'

    _VALID_URL = r'https?://murrtube\.net/v(?:ideos)?/(?P<id>[\w-]+)'
    _TESTS = [{
        'url': 'https://murrtube.net/videos/inferno-x-skyler-148b6f2a-fdcc-4902-affe-9c0f41aaaca0',
        'info_dict': {
            'id': 'ca885d8456b95de529b6723b158032e11115d',
            'ext': 'mp4',
            'title': 'Inferno X Skyler',
            'age_limit': 18,
            'comment_count': int,
            'description': 'md5:1b6ffa7e3231b4e976f0f6db035a2184',
            'display_id': 'inferno-x-skyler-148b6f2a-fdcc-4902-affe-9c0f41aaaca0',
            'like_count': int,
            'thumbnail': r're:https://storage\.murrtube\.net/murrtube-production/.*$',
            'uploader': 'Inferno Wolf',
            'uploader_id': 'inferno-wolf',
            'view_count': int,
        },
    }, {
        'url': 'https://murrtube.net/v/0J2Q',
        'info_dict': {
            'id': '8442998c52134968d9caa36e473e1a6bac6ca',
            'ext': 'mp4',
            'title': 'Who\'s in charge now?',
            'age_limit': 18,
            'comment_count': int,
            'description': 'md5:795791e97e5b0f1805ea84573f02a997',
            'display_id': '0J2Q',
            'like_count': int,
            'thumbnail': r're:https://storage\.murrtube\.net/murrtube-production/.*$',
            'uploader': 'Hayel',
            'uploader_id': 'hayel',
            'view_count': int,
        },
    }]

    def _real_extract(self, url):
        display_id = self._match_id(url)
        webpage = self._download_webpage(url, display_id)
        m3u8_url = extract_attributes(get_element_html_by_id('video', webpage))['data-url']
        html = get_elements_html_by_attribute(
            'href', r'/([\w-]+)', webpage, escape_value=False, tag='a')[2]

        return {
            'id': self._search_regex(r'(\w+)/index\.m3u8', m3u8_url, 'video id'),
            'title': remove_end(self._html_search_meta(
                ['og:title', 'twitter:title'], webpage), ' - Murrtube'),
            'age_limit': 18,
            'description': self._html_search_meta(
                ['description', 'og:description', 'twitter:description'], webpage),
            'display_id': display_id,
            'formats': self._extract_m3u8_formats(m3u8_url, display_id, 'mp4'),
            'thumbnail': self._html_search_meta(['og:image', 'twitter:image'], webpage),
            'uploader': get_element_by_class('pl-1 is-size-6 has-text-lighter', html),
            'uploader_id': extract_attributes(html)['href'].lstrip('/'),
            **{
                f'{x}_count': parse_count(self._search_regex(
                    rf'([\d,]+)\s+<span[^>]*>{x.capitalize()}s</span>', webpage, x, default=None,
                )) for x in ['comment', 'like', 'view']
            },
        }


class MurrtubePlaylistIE(MurrtubeBaseIE):
    IE_NAME = 'murrtube:playlist'

    _PAGE_SIZE = 20
    _VALID_URL = r'https?://murrtube\.net/(?P<id>[\w-]+)'
    _TESTS = [{
        'url': 'https://murrtube.net/stormy',
        'info_dict': {
            'id': 'stormy',
        },
        'playlist_mincount': 35,
    }, {
        'url': 'https://murrtube.net/search?q=test',
        'info_dict': {
            'id': 'test',
        },
        'playlist_mincount': 10,
    }]

    def _fetch_page(self, slug, query, page):
        page += 1
        webpage = self._download_webpage(
            f'{self._BASE_URL}/{slug}', query or slug,
            f'Downloading page {page}', query={
                'page': page,
                'q': query,
            })
        for video_id in re.findall(r'<a\s+href="(/v/\w{4})">', webpage):
            yield self.url_result(self._BASE_URL + video_id, MurrtubeIE)

    def _real_extract(self, url):
        slug = self._match_id(url)
        query = parse_qs(url).get('q', [None])[0]

        return self.playlist_result(OnDemandPagedList(
            functools.partial(self._fetch_page, slug, query), self._PAGE_SIZE), query or slug)