import re

from ..utils import parse_duration, unescapeHTML
from .common import InfoExtractor


class Rule34VideoIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?rule34video\.com/videos/(?P<id>\d+)'
    _TESTS = [
        {
            'url': 'https://rule34video.com/videos/3065157/shot-it-mmd-hmv/',
            'md5': 'ffccac2c23799dabbd192621ae4d04f3',
            'info_dict': {
                'id': '3065157',
                'ext': 'mp4',
                'title': 'Shot It-(mmd hmv)',
                'thumbnail': 'https://rule34video.com/contents/videos_screenshots/3065000/3065157/preview.jpg',
                'duration': 347.0,
                'age_limit': 18,
                'tags': 'count:14'
            }
        },
        {
            'url': 'https://rule34video.com/videos/3065296/lara-in-trouble-ep-7-wildeerstudio/',
            'md5': '6bb5169f9f6b38cd70882bf2e64f6b86',
            'info_dict': {
                'id': '3065296',
                'ext': 'mp4',
                'title': 'Lara in Trouble Ep. 7 [WildeerStudio]',
                'thumbnail': 'https://rule34video.com/contents/videos_screenshots/3065000/3065296/preview.jpg',
                'duration': 938.0,
                'age_limit': 18,
                'tags': 'count:50'
            }
        },
    ]

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

        formats = []

        for mobj in re.finditer(r'<a[^>]+href="(?P<video_url>[^"]+download=true[^"]+)".*>(?P<ext>[^\s]+) (?P<quality>[^<]+)p</a>', webpage):
            url, ext, quality = mobj.groups()
            formats.append({
                'url': url,
                'ext': ext.lower(),
                'quality': quality,
            })

        title = self._html_extract_title(webpage)
        thumbnail = self._html_search_regex(r'preview_url:\s+\'([^\']+)\'', webpage, 'thumbnail', default=None)
        duration = self._html_search_regex(r'"icon-clock"></i>\s+<span>((?:\d+:?)+)', webpage, 'duration', default=None)

        return {
            'id': video_id,
            'formats': formats,
            'title': title,
            'thumbnail': thumbnail,
            'duration': parse_duration(duration),
            'age_limit': 18,
            'tags': list(map(unescapeHTML, re.findall(
                r'<a class="tag_item"[^>]+\bhref="https://rule34video\.com/tags/\d+/"[^>]*>(?P<tag>[^>]*)</a>', webpage))),
        }
