import datetime as dt
import itertools
import json
import math
import random
import time
import uuid

from .common import InfoExtractor
from ..networking.exceptions import HTTPError
from ..utils import (
    ExtractorError,
    int_or_none,
    jwt_decode_hs256,
    try_call,
)
from ..utils.traversal import traverse_obj


class SonyLIVIE(InfoExtractor):
    _VALID_URL = r'''(?x)
                     (?:
                        sonyliv:|
                        https?://(?:www\.)?sonyliv\.com/(?:s(?:how|port)s/[^/]+|movies|clip|trailer|music-videos)/[^/?#&]+-
                    )
                    (?P<id>\d+)
                  '''
    _TESTS = [{
        'url': 'https://www.sonyliv.com/shows/bachelors-delight-1700000113/achaari-cheese-toast-1000022678?watch=true',
        'info_dict': {
            'title': 'Achaari Cheese Toast',
            'id': '1000022678',
            'ext': 'mp4',
            'upload_date': '20200411',
            'description': 'md5:3957fa31d9309bf336ceb3f37ad5b7cb',
            'timestamp': 1586632091,
            'duration': 185,
            'season_number': 1,
            'series': 'Bachelors Delight',
            'episode_number': 1,
            'release_year': 2016,
        },
        'params': {
            'skip_download': True,
        },
    }, {
        'url': 'https://www.sonyliv.com/movies/tahalka-1000050121?watch=true',
        'only_matching': True,
    }, {
        'url': 'https://www.sonyliv.com/clip/jigarbaaz-1000098925',
        'only_matching': True,
    }, {
        'url': 'https://www.sonyliv.com/trailer/sandwiched-forever-1000100286?watch=true',
        'only_matching': True,
    }, {
        'url': 'https://www.sonyliv.com/sports/india-tour-of-australia-2020-21-1700000286/cricket-hls-day-3-1st-test-aus-vs-ind-19-dec-2020-1000100959?watch=true',
        'only_matching': True,
    }, {
        'url': 'https://www.sonyliv.com/music-videos/yeh-un-dinon-ki-baat-hai-1000018779',
        'only_matching': True,
    }]
    _GEO_COUNTRIES = ['IN']
    _HEADERS = {}
    _LOGIN_HINT = 'Use "--username <mobile_number>" to login using OTP or "--username token --password <auth_token>" to login using auth token.'
    _NETRC_MACHINE = 'sonyliv'

    def _get_device_id(self):
        e = int(time.time() * 1000)
        t = list('xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx')
        for i, c in enumerate(t):
            n = int((e + 16 * random.random()) % 16) | 0
            e = math.floor(e / 16)
            if c == 'x':
                t[i] = str(n)
            elif c == 'y':
                t[i] = f'{3 & n | 8:x}'
        return ''.join(t) + '-' + str(int(time.time() * 1000))

    def _perform_login(self, username, password):
        self._HEADERS['device_id'] = self._get_device_id()
        self._HEADERS['content-type'] = 'application/json'

        if username.lower() == 'token' and try_call(lambda: jwt_decode_hs256(password)):
            self._HEADERS['authorization'] = password
            self.report_login()
            return
        elif len(username) != 10 or not username.isdigit():
            raise ExtractorError(f'Invalid username/password; {self._LOGIN_HINT}')

        self.report_login()
        otp_request_json = self._download_json(
            'https://apiv2.sonyliv.com/AGL/1.6/A/ENG/WEB/IN/HR/CREATEOTP-V2',
            None, note='Sending OTP', headers=self._HEADERS, data=json.dumps({
                'mobileNumber': username,
                'channelPartnerID': 'MSMIND',
                'country': 'IN',
                'timestamp': dt.datetime.now(dt.timezone.utc).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
                'otpSize': 6,
                'loginType': 'REGISTERORSIGNIN',
                'isMobileMandatory': True,
            }).encode())
        if otp_request_json['resultCode'] == 'KO':
            raise ExtractorError(otp_request_json['message'], expected=True)

        otp_verify_json = self._download_json(
            'https://apiv2.sonyliv.com/AGL/2.0/A/ENG/WEB/IN/HR/CONFIRMOTP-V2',
            None, note='Verifying OTP', headers=self._HEADERS, data=json.dumps({
                'channelPartnerID': 'MSMIND',
                'mobileNumber': username,
                'country': 'IN',
                'otp': self._get_tfa_info('OTP'),
                'dmaId': 'IN',
                'ageConfirmation': True,
                'timestamp': dt.datetime.now(dt.timezone.utc).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
                'isMobileMandatory': True,
            }).encode())
        if otp_verify_json['resultCode'] == 'KO':
            raise ExtractorError(otp_request_json['message'], expected=True)
        self._HEADERS['authorization'] = otp_verify_json['resultObj']['accessToken']

    def _call_api(self, version, path, video_id):
        try:
            return self._download_json(
                f'https://apiv2.sonyliv.com/AGL/{version}/A/ENG/WEB/{path}',
                video_id, headers=self._HEADERS)['resultObj']
        except ExtractorError as e:
            if isinstance(e.cause, HTTPError) and e.cause.status == 406 and self._parse_json(
                    e.cause.response.read().decode(), video_id)['message'] == 'Please subscribe to watch this content':
                self.raise_login_required(self._LOGIN_HINT, method=None)
            if isinstance(e.cause, HTTPError) and e.cause.status == 403:
                message = self._parse_json(
                    e.cause.response.read().decode(), video_id)['message']
                if message == 'Geoblocked Country':
                    self.raise_geo_restricted(countries=self._GEO_COUNTRIES)
                raise ExtractorError(message)
            raise

    def _initialize_pre_login(self):
        self._HEADERS['security_token'] = self._call_api('1.4', 'ALL/GETTOKEN', None)

    def _real_extract(self, url):
        video_id = self._match_id(url)
        content = self._call_api(
            '1.5', 'IN/CONTENT/VIDEOURL/VOD/' + video_id, video_id)
        if not self.get_param('allow_unplayable_formats') and content.get('isEncrypted'):
            self.report_drm(video_id)
        dash_url = content['videoURL']
        headers = {
            'x-playback-session-id': '%s-%d' % (uuid.uuid4().hex, time.time() * 1000),
        }
        formats = self._extract_mpd_formats(
            dash_url, video_id, mpd_id='dash', headers=headers, fatal=False)
        formats.extend(self._extract_m3u8_formats(
            dash_url.replace('.mpd', '.m3u8').replace('/DASH/', '/HLS/'),
            video_id, 'mp4', m3u8_id='hls', headers=headers, fatal=False))
        for f in formats:
            f.setdefault('http_headers', {}).update(headers)

        metadata = self._call_api(
            '1.6', 'IN/DETAIL/' + video_id, video_id)['containers'][0]['metadata']
        title = metadata['episodeTitle']
        subtitles = {}
        for sub in content.get('subtitle', []):
            sub_url = sub.get('subtitleUrl')
            if not sub_url:
                continue
            subtitles.setdefault(sub.get('subtitleLanguageName', 'ENG'), []).append({
                'url': sub_url,
            })
        return {
            'id': video_id,
            'title': title,
            'formats': formats,
            'thumbnail': content.get('posterURL'),
            'description': metadata.get('longDescription') or metadata.get('shortDescription'),
            'timestamp': int_or_none(metadata.get('creationDate'), 1000),
            'duration': int_or_none(metadata.get('duration')),
            'season_number': int_or_none(metadata.get('season')),
            'series': metadata.get('title'),
            'episode_number': int_or_none(metadata.get('episodeNumber')),
            'release_year': int_or_none(metadata.get('year')),
            'subtitles': subtitles,
        }


class SonyLIVSeriesIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?sonyliv\.com/shows/[^/?#&]+-(?P<id>\d{10})/?(?:$|[?#])'
    _TESTS = [{
        'url': 'https://www.sonyliv.com/shows/adaalat-1700000091',
        'playlist_mincount': 452,
        'info_dict': {
            'id': '1700000091',
        },
    }, {
        'url': 'https://www.sonyliv.com/shows/beyhadh-1700000007/',
        'playlist_mincount': 358,
        'info_dict': {
            'id': '1700000007',
        },
    }]
    _API_BASE = 'https://apiv2.sonyliv.com/AGL'
    _SORT_ORDERS = ('asc', 'desc')

    def _entries(self, show_id, sort_order):
        headers = {
            'Accept': 'application/json, text/plain, */*',
            'Referer': 'https://www.sonyliv.com',
        }
        headers['security_token'] = self._download_json(
            f'{self._API_BASE}/1.4/A/ENG/WEB/ALL/GETTOKEN', show_id,
            'Downloading security token', headers=headers)['resultObj']
        seasons = traverse_obj(self._download_json(
            f'{self._API_BASE}/1.9/R/ENG/WEB/IN/DL/DETAIL/{show_id}', show_id,
            'Downloading series JSON', headers=headers, query={
                'kids_safe': 'false',
                'from': '0',
                'to': '49',
            }), ('resultObj', 'containers', 0, 'containers', lambda _, v: int_or_none(v['id'])))

        if sort_order == 'desc':
            seasons = reversed(seasons)
        for season in seasons:
            season_id = str(season['id'])
            note = traverse_obj(season, ('metadata', 'title', {str})) or 'season'
            cursor = 0
            for page_num in itertools.count(1):
                episodes = traverse_obj(self._download_json(
                    f'{self._API_BASE}/1.4/R/ENG/WEB/IN/CONTENT/DETAIL/BUNDLE/{season_id}',
                    season_id, f'Downloading {note} page {page_num} JSON', headers=headers, query={
                        'from': str(cursor),
                        'to': str(cursor + 99),
                        'orderBy': 'episodeNumber',
                        'sortOrder': sort_order,
                    }), ('resultObj', 'containers', 0, 'containers', lambda _, v: int_or_none(v['id'])))
                if not episodes:
                    break
                for episode in episodes:
                    video_id = str(episode['id'])
                    yield self.url_result(f'sonyliv:{video_id}', SonyLIVIE, video_id)
                cursor += 100

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

        sort_order = self._configuration_arg('sort_order', [self._SORT_ORDERS[0]])[0]
        if sort_order not in self._SORT_ORDERS:
            raise ValueError(
                f'Invalid sort order "{sort_order}". Allowed values are: {", ".join(self._SORT_ORDERS)}')

        return self.playlist_result(self._entries(show_id, sort_order), playlist_id=show_id)
