# coding: utf-8
from __future__ import unicode_literals

import re
import uuid

from .common import InfoExtractor
from ..compat import (
    compat_urlparse,
)
from ..utils import (
    ExtractorError,
    float_or_none,
    int_or_none,
    try_get,
)


class PlutoTVIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?pluto\.tv/on-demand/(?P<video_type>movies|series)/(?P<slug>.*)/?$'
    _INFO_URL = 'https://service-vod.clusters.pluto.tv/v3/vod/slugs/'
    _INFO_QUERY_PARAMS = {
        'appName': 'web',
        'appVersion': 'na',
        'clientID': str(uuid.uuid1()),
        'clientModelNumber': 'na',
        'serverSideAds': 'false',
        'deviceMake': 'unknown',
        'deviceModel': 'web',
        'deviceType': 'web',
        'deviceVersion': 'unknown',
        'sid': str(uuid.uuid1()),
    }
    _TESTS = [
        {
            'url': 'https://pluto.tv/on-demand/series/i-love-money/season/2/episode/its-in-the-cards-2009-2-3',
            'md5': 'ebcdd8ed89aaace9df37924f722fd9bd',
            'info_dict': {
                'id': '5de6c598e9379ae4912df0a8',
                'ext': 'mp4',
                'title': 'It\'s In The Cards',
                'episode': 'It\'s In The Cards',
                'description': 'The teams face off against each other in a 3-on-2 soccer showdown.  Strategy comes into play, though, as each team gets to select their opposing teams’ two defenders.',
                'series': 'I Love Money',
                'season_number': 2,
                'episode_number': 3,
                'duration': 3600,
            }
        },
        {
            'url': 'https://pluto.tv/on-demand/series/i-love-money/season/1/',
            'playlist_count': 11,
            'info_dict': {
                'id': '5de6c582e9379ae4912dedbd',
                'title': 'I Love Money - Season 1',
            }
        },
        {
            'url': 'https://pluto.tv/on-demand/series/i-love-money/',
            'playlist_count': 26,
            'info_dict': {
                'id': '5de6c582e9379ae4912dedbd',
                'title': 'I Love Money',
            }
        },
        {
            'url': 'https://pluto.tv/on-demand/movies/arrival-2015-1-1',
            'md5': '3cead001d317a018bf856a896dee1762',
            'info_dict': {
                'id': '5e83ac701fa6a9001bb9df24',
                'ext': 'mp4',
                'title': 'Arrival',
                'description': 'When mysterious spacecraft touch down across the globe, an elite team - led by expert translator Louise Banks (Academy Award® nominee Amy Adams) – races against time to decipher their intent.',
                'duration': 9000,
            }
        },
    ]

    def _to_ad_free_formats(self, video_id, formats):
        ad_free_formats = []
        for format in formats:
            res = self._download_webpage_handle(
                format.get('url'), video_id, note='Downloading m3u8 playlist',
                fatal=False)
            if res is False:
                continue
            playlist_doc, _ = res
            first_segment_url = re.search(
                r'^(https?://.*/)0\-(end|[0-9]+)/[^/]+\.ts$', playlist_doc,
                re.MULTILINE)
            if not first_segment_url:
                continue
            m3u8_url = compat_urlparse.urljoin(
                first_segment_url.group(1), '0-end/master.m3u8')
            ad_free_formats.extend(
                self._extract_m3u8_formats(
                    m3u8_url, video_id, 'mp4', 'm3u8_native',
                    m3u8_id='hls', fatal=False))
        return ad_free_formats

    def _get_video_info(self, video_json, slug, series_name=None):
        video_id = video_json.get('_id', slug)
        formats = []
        for video_url in video_json.get('stitched', {}).get('urls', []):
            if video_url.get('type') != 'hls':
                continue
            url = video_url.get('url')
            formats.extend(
                self._extract_m3u8_formats(
                    url, video_id, 'mp4', 'm3u8_native',
                    m3u8_id='hls', fatal=False))
        self._sort_formats(formats)
        ad_free_formats = self._to_ad_free_formats(video_id, formats)
        self._sort_formats(ad_free_formats)
        info = {
            'id': video_id,
            'formats': ad_free_formats if ad_free_formats else formats,
            'title': video_json.get('name'),
            'description': video_json.get('description'),
            'duration': float_or_none(video_json.get('duration'), scale=1000),
        }
        if series_name:
            info.update({
                'series': series_name,
                'episode': video_json.get('name'),
                'season_number': int_or_none(video_json.get('season')),
                'episode_number': int_or_none(video_json.get('number')),
            })
        return info

    def _real_extract(self, url):
        video_type, slug = re.match(self._VALID_URL, url).groups()
        slug_components = slug.split('/')
        info_slug = slug_components[0]
        video_json = self._download_json(self._INFO_URL + info_slug, info_slug,
                                         query=self._INFO_QUERY_PARAMS)

        if video_type == 'series':
            series_name = video_json.get('name', info_slug)
            season_number = int_or_none(try_get(slug_components, lambda x: x[2]))
            episode_slug = try_get(slug_components, lambda x: x[4])

            videos = []
            for season in video_json.get('seasons', []):
                if season_number is not None and season_number != int_or_none(season.get('number')):
                    continue
                for episode in season.get('episodes', []):
                    if episode_slug is not None and episode_slug != episode.get('slug'):
                        continue
                    videos.append(self._get_video_info(episode, episode_slug, series_name))
            if len(videos) == 0:
                raise ExtractorError('Failed to find any videos to extract')
            if episode_slug is not None and len(videos) == 1:
                return videos[0]
            playlist_title = series_name
            if season_number is not None:
                playlist_title += ' - Season %d' % season_number
            return self.playlist_result(videos,
                                        playlist_id=video_json.get('_id', info_slug),
                                        playlist_title=playlist_title)
        assert video_type == 'movies'
        return self._get_video_info(video_json, slug)