# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
    ExtractorError,
    dict_get,
    int_or_none,
    unescapeHTML,
    parse_iso8601,
)


class PikselIE(InfoExtractor):
    _VALID_URL = r'https?://player\.piksel\.com/v/(?:refid/[^/]+/prefid/)?(?P<id>[a-z0-9_]+)'
    _TESTS = [
        {
            'url': 'http://player.piksel.com/v/ums2867l',
            'md5': '34e34c8d89dc2559976a6079db531e85',
            'info_dict': {
                'id': 'ums2867l',
                'ext': 'mp4',
                'title': 'GX-005 with Caption',
                'timestamp': 1481335659,
                'upload_date': '20161210'
            }
        },
        {
            # Original source: http://www.uscourts.gov/cameras-courts/state-washington-vs-donald-j-trump-et-al
            'url': 'https://player.piksel.com/v/v80kqp41',
            'md5': '753ddcd8cc8e4fa2dda4b7be0e77744d',
            'info_dict': {
                'id': 'v80kqp41',
                'ext': 'mp4',
                'title': 'WAW- State of Washington vs. Donald J. Trump, et al',
                'description': 'State of Washington vs. Donald J. Trump, et al, Case Number 17-CV-00141-JLR, TRO Hearing, Civil Rights Case, 02/3/2017, 1:00 PM (PST), Seattle Federal Courthouse, Seattle, WA, Judge James L. Robart presiding.',
                'timestamp': 1486171129,
                'upload_date': '20170204'
            }
        },
        {
            # https://www3.nhk.or.jp/nhkworld/en/ondemand/video/2019240/
            'url': 'http://player.piksel.com/v/refid/nhkworld/prefid/nw_vod_v_en_2019_240_20190823233000_02_1566873477',
            'only_matching': True,
        }
    ]

    @staticmethod
    def _extract_url(webpage):
        mobj = re.search(
            r'<iframe[^>]+src=["\'](?P<url>(?:https?:)?//player\.piksel\.com/v/[a-z0-9]+)',
            webpage)
        if mobj:
            return mobj.group('url')

    def _real_extract(self, url):
        display_id = self._match_id(url)
        webpage = self._download_webpage(url, display_id)
        video_id = self._search_regex(
            r'data-de-program-uuid=[\'"]([a-z0-9]+)',
            webpage, 'program uuid', default=display_id)
        app_token = self._search_regex([
            r'clientAPI\s*:\s*"([^"]+)"',
            r'data-de-api-key\s*=\s*"([^"]+)"'
        ], webpage, 'app token')
        response = self._download_json(
            'http://player.piksel.com/ws/ws_program/api/%s/mode/json/apiv/5' % app_token,
            video_id, query={
                'v': video_id
            })['response']
        failure = response.get('failure')
        if failure:
            raise ExtractorError(response['failure']['reason'], expected=True)
        video_data = response['WsProgramResponse']['program']['asset']
        title = video_data['title']

        formats = []

        m3u8_url = dict_get(video_data, [
            'm3u8iPadURL',
            'ipadM3u8Url',
            'm3u8AndroidURL',
            'm3u8iPhoneURL',
            'iphoneM3u8Url'])
        if m3u8_url:
            formats.extend(self._extract_m3u8_formats(
                m3u8_url, video_id, 'mp4', 'm3u8_native',
                m3u8_id='hls', fatal=False))

        asset_type = dict_get(video_data, ['assetType', 'asset_type'])
        for asset_file in video_data.get('assetFiles', []):
            # TODO: extract rtmp formats
            http_url = asset_file.get('http_url')
            if not http_url:
                continue
            tbr = None
            vbr = int_or_none(asset_file.get('videoBitrate'), 1024)
            abr = int_or_none(asset_file.get('audioBitrate'), 1024)
            if asset_type == 'video':
                tbr = vbr + abr
            elif asset_type == 'audio':
                tbr = abr

            format_id = ['http']
            if tbr:
                format_id.append(compat_str(tbr))

            formats.append({
                'format_id': '-'.join(format_id),
                'url': unescapeHTML(http_url),
                'vbr': vbr,
                'abr': abr,
                'width': int_or_none(asset_file.get('videoWidth')),
                'height': int_or_none(asset_file.get('videoHeight')),
                'filesize': int_or_none(asset_file.get('filesize')),
                'tbr': tbr,
            })
        self._sort_formats(formats)

        subtitles = {}
        for caption in video_data.get('captions', []):
            caption_url = caption.get('url')
            if caption_url:
                subtitles.setdefault(caption.get('locale', 'en'), []).append({
                    'url': caption_url})

        return {
            'id': video_id,
            'title': title,
            'description': video_data.get('description'),
            'thumbnail': video_data.get('thumbnailUrl'),
            'timestamp': parse_iso8601(video_data.get('dateadd')),
            'formats': formats,
            'subtitles': subtitles,
        }
