import base64
import hashlib
import json
import random
import re

from .common import InfoExtractor
from ..compat import (
    compat_str,
)
from ..utils import (
    HEADRequest,
    ExtractorError,
    float_or_none,
    orderedSet,
    str_or_none,
    try_get,
)


class GloboIE(InfoExtractor):
    _VALID_URL = r'(?:globo:|https?://.+?\.globo\.com/(?:[^/]+/)*(?:v/(?:[^/]+/)?|videos/))(?P<id>\d{7,})'
    _NETRC_MACHINE = 'globo'
    _TESTS = [{
        'url': 'http://g1.globo.com/carros/autoesporte/videos/t/exclusivos-do-g1/v/mercedes-benz-gla-passa-por-teste-de-colisao-na-europa/3607726/',
        'info_dict': {
            'id': '3607726',
            'ext': 'mp4',
            'title': 'Mercedes-Benz GLA passa por teste de colisão na Europa',
            'duration': 103.204,
            'uploader': 'G1',
            'uploader_id': '2015',
        },
        'params': {
            'skip_download': True,
        },
    }, {
        'url': 'http://globoplay.globo.com/v/4581987/',
        'info_dict': {
            'id': '4581987',
            'ext': 'mp4',
            'title': 'Acidentes de trânsito estão entre as maiores causas de queda de energia em SP',
            'duration': 137.973,
            'uploader': 'Rede Globo',
            'uploader_id': '196',
        },
        'params': {
            'skip_download': True,
        },
    }, {
        'url': 'http://canalbrasil.globo.com/programas/sangue-latino/videos/3928201.html',
        'only_matching': True,
    }, {
        'url': 'http://globosatplay.globo.com/globonews/v/4472924/',
        'only_matching': True,
    }, {
        'url': 'http://globotv.globo.com/t/programa/v/clipe-sexo-e-as-negas-adeus/3836166/',
        'only_matching': True,
    }, {
        'url': 'http://globotv.globo.com/canal-brasil/sangue-latino/t/todos-os-videos/v/ator-e-diretor-argentino-ricado-darin-fala-sobre-utopias-e-suas-perdas/3928201/',
        'only_matching': True,
    }, {
        'url': 'http://canaloff.globo.com/programas/desejar-profundo/videos/4518560.html',
        'only_matching': True,
    }, {
        'url': 'globo:3607726',
        'only_matching': True,
    }, {
        'url': 'https://globoplay.globo.com/v/10248083/',
        'info_dict': {
            'id': '10248083',
            'ext': 'mp4',
            'title': 'Melhores momentos: Equador 1 x 1 Brasil pelas Eliminatórias da Copa do Mundo 2022',
            'duration': 530.964,
            'uploader': 'SporTV',
            'uploader_id': '698',
        },
        'params': {
            'skip_download': True,
        },
    }]

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

        self._request_webpage(
            HEADRequest('https://globo-ab.globo.com/v2/selected-alternatives?experiments=player-isolated-experiment-02&skipImpressions=true'),
            video_id, 'Getting cookies')

        video = self._download_json(
            'http://api.globovideos.com/videos/%s/playlist' % video_id,
            video_id)['videos'][0]
        if not self.get_param('allow_unplayable_formats') and video.get('encrypted') is True:
            self.report_drm(video_id)

        title = video['title']

        formats = []
        security = self._download_json(
            'https://playback.video.globo.com/v2/video-session', video_id, 'Downloading security hash for %s' % video_id,
            headers={'content-type': 'application/json'}, data=json.dumps({
                "player_type": "desktop",
                "video_id": video_id,
                "quality": "max",
                "content_protection": "widevine",
                "vsid": "581b986b-4c40-71f0-5a58-803e579d5fa2",
                "tz": "-3.0:00"
            }).encode())

        self._request_webpage(HEADRequest(security['sources'][0]['url_template']), video_id, 'Getting locksession cookie')

        security_hash = security['sources'][0]['token']
        if not security_hash:
            message = security.get('message')
            if message:
                raise ExtractorError(
                    '%s returned error: %s' % (self.IE_NAME, message), expected=True)

        hash_code = security_hash[:2]
        padding = '%010d' % random.randint(1, 10000000000)
        if hash_code in ('04', '14'):
            received_time = security_hash[3:13]
            received_md5 = security_hash[24:]
            hash_prefix = security_hash[:23]
        elif hash_code in ('02', '12', '03', '13'):
            received_time = security_hash[2:12]
            received_md5 = security_hash[22:]
            padding += '1'
            hash_prefix = '05' + security_hash[:22]

        padded_sign_time = compat_str(int(received_time) + 86400) + padding
        md5_data = (received_md5 + padded_sign_time + '0xAC10FD').encode()
        signed_md5 = base64.urlsafe_b64encode(hashlib.md5(md5_data).digest()).decode().strip('=')
        signed_hash = hash_prefix + padded_sign_time + signed_md5
        source = security['sources'][0]['url_parts']
        resource_url = source['scheme'] + '://' + source['domain'] + source['path']
        signed_url = '%s?h=%s&k=html5&a=%s' % (resource_url, signed_hash, 'F' if video.get('subscriber_only') else 'A')

        fmts, subtitles = self._extract_m3u8_formats_and_subtitles(
            signed_url, video_id, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)
        formats.extend(fmts)
        self._sort_formats(formats)

        for resource in video['resources']:
            if resource.get('type') == 'subtitle':
                subtitles.setdefault(resource.get('language') or 'por', []).append({
                    'url': resource.get('url'),
                })
        subs = try_get(security, lambda x: x['source']['subtitles'], expected_type=dict) or {}
        for sub_lang, sub_url in subs.items():
            if sub_url:
                subtitles.setdefault(sub_lang or 'por', []).append({
                    'url': sub_url,
                })
        subs = try_get(security, lambda x: x['source']['subtitles_webvtt'], expected_type=dict) or {}
        for sub_lang, sub_url in subs.items():
            if sub_url:
                subtitles.setdefault(sub_lang or 'por', []).append({
                    'url': sub_url,
                })

        duration = float_or_none(video.get('duration'), 1000)
        uploader = video.get('channel')
        uploader_id = str_or_none(video.get('channel_id'))

        return {
            'id': video_id,
            'title': title,
            'duration': duration,
            'uploader': uploader,
            'uploader_id': uploader_id,
            'formats': formats,
            'subtitles': subtitles,
        }


class GloboArticleIE(InfoExtractor):
    _VALID_URL = r'https?://.+?\.globo\.com/(?:[^/]+/)*(?P<id>[^/.]+)(?:\.html)?'

    _VIDEOID_REGEXES = [
        r'\bdata-video-id=["\'](\d{7,})',
        r'\bdata-player-videosids=["\'](\d{7,})',
        r'\bvideosIDs\s*:\s*["\']?(\d{7,})',
        r'\bdata-id=["\'](\d{7,})',
        r'<div[^>]+\bid=["\'](\d{7,})',
        r'<bs-player[^>]+\bvideoid=["\'](\d{8,})',
    ]

    _TESTS = [{
        'url': 'http://g1.globo.com/jornal-nacional/noticia/2014/09/novidade-na-fiscalizacao-de-bagagem-pela-receita-provoca-discussoes.html',
        'info_dict': {
            'id': 'novidade-na-fiscalizacao-de-bagagem-pela-receita-provoca-discussoes',
            'title': 'Novidade na fiscalização de bagagem pela Receita provoca discussões',
            'description': 'md5:c3c4b4d4c30c32fce460040b1ac46b12',
        },
        'playlist_count': 1,
    }, {
        'url': 'http://g1.globo.com/pr/parana/noticia/2016/09/mpf-denuncia-lula-marisa-e-mais-seis-na-operacao-lava-jato.html',
        'info_dict': {
            'id': 'mpf-denuncia-lula-marisa-e-mais-seis-na-operacao-lava-jato',
            'title': "Lula era o 'comandante máximo' do esquema da Lava Jato, diz MPF",
            'description': 'md5:8aa7cc8beda4dc71cc8553e00b77c54c',
        },
        'playlist_count': 6,
    }, {
        'url': 'http://gq.globo.com/Prazeres/Poder/noticia/2015/10/all-o-desafio-assista-ao-segundo-capitulo-da-serie.html',
        'only_matching': True,
    }, {
        'url': 'http://gshow.globo.com/programas/tv-xuxa/O-Programa/noticia/2014/01/xuxa-e-junno-namoram-muuuito-em-luau-de-zeze-di-camargo-e-luciano.html',
        'only_matching': True,
    }, {
        'url': 'http://oglobo.globo.com/rio/a-amizade-entre-um-entregador-de-farmacia-um-piano-19946271',
        'only_matching': True,
    }, {
        'url': 'https://ge.globo.com/video/ta-na-area-como-foi-assistir-ao-jogo-do-palmeiras-que-a-globo-nao-passou-10287094.ghtml',
        'info_dict': {
            'id': 'ta-na-area-como-foi-assistir-ao-jogo-do-palmeiras-que-a-globo-nao-passou-10287094',
            'title': 'Tá na Área: como foi assistir ao jogo do Palmeiras que a Globo não passou',
            'description': 'md5:2d089d036c4c9675117d3a56f8c61739',
        },
        'playlist_count': 1,
    }]

    @classmethod
    def suitable(cls, url):
        return False if GloboIE.suitable(url) else super(GloboArticleIE, cls).suitable(url)

    def _real_extract(self, url):
        display_id = self._match_id(url)
        webpage = self._download_webpage(url, display_id)
        video_ids = []
        for video_regex in self._VIDEOID_REGEXES:
            video_ids.extend(re.findall(video_regex, webpage))
        entries = [
            self.url_result('globo:%s' % video_id, GloboIE.ie_key())
            for video_id in orderedSet(video_ids)]
        title = self._og_search_title(webpage)
        description = self._html_search_meta('description', webpage)
        return self.playlist_result(entries, display_id, title, description)