from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..utils import (
    smuggle_url,
    update_url_query,
    unescapeHTML,
    extract_attributes,
)
from ..compat import (
    compat_urlparse,
)


class AENetworksBaseIE(InfoExtractor):
    def theplatform_url_result(self, theplatform_url, video_id, query):
        return {
            '_type': 'url_transparent',
            'id': video_id,
            'url': smuggle_url(
                update_url_query(theplatform_url, query),
                {
                    'sig': {
                        'key': 'crazyjava',
                        'secret': 's3cr3t'
                    },
                    'force_smil_url': True
                }),
            'ie_key': 'ThePlatform',
        }


class AENetworksIE(AENetworksBaseIE):
    IE_NAME = 'aenetworks'
    IE_DESC = 'A+E Networks: A&E, Lifetime, History.com, FYI Network'
    _VALID_URL = r'https?://(?:www\.)?(?:(?:history|aetv|mylifetime)\.com|fyi\.tv)/shows/(?P<id>[^/]+(?:/[^/]+){0,2})'
    _TESTS = [{
        'url': 'http://www.history.com/shows/mountain-men/season-1/episode-1',
        'md5': '8ff93eb073449f151d6b90c0ae1ef0c7',
        'info_dict': {
            'id': '22253814',
            'ext': 'mp4',
            'title': 'Winter Is Coming',
            'description': 'md5:641f424b7a19d8e24f26dea22cf59d74',
            'timestamp': 1338306241,
            'upload_date': '20120529',
            'uploader': 'AENE-NEW',
        },
        'add_ie': ['ThePlatform'],
    }, {
        'url': 'http://www.history.com/shows/ancient-aliens/season-1',
        'info_dict': {
            'id': '71889446852',
        },
        'playlist_mincount': 5,
    }, {
        'url': 'http://www.mylifetime.com/shows/atlanta-plastic',
        'info_dict': {
            'id': 'SERIES4317',
            'title': 'Atlanta Plastic',
        },
        'playlist_mincount': 2,
    }, {
        'url': 'http://www.aetv.com/shows/duck-dynasty/season-9/episode-1',
        'only_matching': True
    }, {
        'url': 'http://www.fyi.tv/shows/tiny-house-nation/season-1/episode-8',
        'only_matching': True
    }, {
        'url': 'http://www.mylifetime.com/shows/project-runway-junior/season-1/episode-6',
        'only_matching': True
    }]

    def _real_extract(self, url):
        display_id = self._match_id(url)
        webpage = self._download_webpage(url, display_id)
        url_parts = display_id.split('/')
        url_parts_len = len(url_parts)
        if url_parts_len == 1:
            entries = []
            for season_url_path in re.findall(r'(?s)<li[^>]+data-href="(/shows/%s/season-\d+)"' % url_parts[0], webpage):
                entries.append(self.url_result(
                    compat_urlparse.urljoin(url, season_url_path), 'AENetworks'))
            return self.playlist_result(
                entries, self._html_search_meta('aetn:SeriesId', webpage),
                self._html_search_meta('aetn:SeriesTitle', webpage))
        elif url_parts_len == 2:
            entries = []
            for episode_item in re.findall(r'(?s)<div[^>]+class="[^"]*episode-item[^"]*"[^>]*>', webpage):
                episode_attributes = extract_attributes(episode_item)
                episode_url = compat_urlparse.urljoin(
                    url, episode_attributes['data-canonical'])
                entries.append(self.url_result(
                    episode_url, 'AENetworks',
                    episode_attributes['data-videoid']))
            return self.playlist_result(
                entries, self._html_search_meta('aetn:SeasonId', webpage))
        else:
            video_id = self._html_search_meta('aetn:VideoID', webpage)
            media_url = self._search_regex(
                r"media_url\s*=\s*'([^']+)'", webpage, 'video url')

            info = self._search_json_ld(webpage, video_id, fatal=False)
            info.update(self.theplatform_url_result(
                media_url, video_id, {
                    'mbr': 'true',
                    'assetTypes': 'medium_video_s3'
                }))
            return info


class HistoryTopicIE(AENetworksBaseIE):
    IE_NAME = 'history:topic'
    IE_DESC = 'History.com Topic'
    _VALID_URL = r'https?://(?:www\.)?history\.com/topics/(?:[^/]+/)?(?P<topic_id>[^/]+)/videos(?:/(?P<display_id>[^/?#]+))?'
    _TESTS = [{
        'url': 'http://www.history.com/topics/valentines-day/history-of-valentines-day/videos/bet-you-didnt-know-valentines-day?m=528e394da93ae&s=undefined&f=1&free=false',
        'info_dict': {
            'id': '40700995724',
            'ext': 'mp4',
            'title': "Bet You Didn't Know: Valentine's Day",
            'description': 'md5:7b57ea4829b391995b405fa60bd7b5f7',
            'timestamp': 1375819729,
            'upload_date': '20130806',
            'uploader': 'AENE-NEW',
        },
        'params': {
            # m3u8 download
            'skip_download': True,
        },
        'add_ie': ['ThePlatform'],
    }, {
        'url': 'http://www.history.com/topics/world-war-i/world-war-i-history/videos',
        'info_dict':
        {
            'id': 'world-war-i-history',
        },
        'playlist_mincount': 24,
    }, {
        'url': 'http://www.history.com/topics/world-war-i-history/videos',
        'only_matching': True,
    }]

    def _real_extract(self, url):
        topic_id, display_id = re.match(self._VALID_URL, url).groups()
        if display_id:
            webpage = self._download_webpage(url, display_id)
            release_url, video_id = re.search(r"_videoPlayer.play\('([^']+)'\s*,\s*'[^']+'\s*,\s*'(\d+)'\)", webpage).groups()
            release_url = unescapeHTML(release_url)

            return self.theplatform_url_result(
                release_url, video_id, {
                    'mbr': 'true',
                    'switch': 'hls'
                })
        else:
            webpage = self._download_webpage(url, topic_id)
            entries = []
            for episode_item in re.findall(r'<a.+?data-release-url="[^"]+"[^>]*>', webpage):
                video_attributes = extract_attributes(episode_item)
                entries.append(self.theplatform_url_result(
                    video_attributes['data-release-url'], video_attributes['data-id'], {
                        'mbr': 'true',
                        'switch': 'hls'
                    }))
            return self.playlist_result(entries, topic_id)