from __future__ import unicode_literals

import re
import json
import xml.etree.ElementTree

from .common import InfoExtractor
from ..utils import unified_strdate


class GDCVaultIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?gdcvault\.com/play/(?P<id>\d+)/(?P<name>(\w|-)+)'

    _TEST = {
        u'url': u'http://www.gdcvault.com/play/1019721/Doki-Doki-Universe-Sweet-Simple',
        u'md5': u'7ce8388f544c88b7ac11c7ab1b593704',
        u'info_dict': {
            u"id": u"1019721",
            u"ext": u"mp4",
            u"title": u"Doki-Doki Universe: Sweet, Simple and Genuine (GDC Next 10)"
        }
    }

    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)

        video_id = mobj.group('id')
        webpage_url = 'http://www.gdcvault.com/play/' + video_id

        start_page = self._download_webpage(webpage_url, video_id)

        self.report_extraction(video_id)

        xml_root = self._html_search_regex(r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>', start_page, 'xml root')
        xml_name = self._html_search_regex(r'<iframe src=".*?\?xml=(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename')
        xml_decription_url = xml_root + 'xml/' + xml_name

        xml_description = self._download_xml(xml_decription_url, video_id)

        video_title = xml_description.find('./metadata/title').text

        mp4_video = xml_description.find('./metadata/mp4video').text
        mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video)
        video_root = mobj.group('root')

        formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
        video_formats = []
        for format in formats:
            mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
            url = video_root + mobj.group('path')
            vbr = format.find('bitrate').text
            video_formats.append({
                'url': url,
                'vbr': int(vbr),
            })

        return [{
            'id': video_id,
            'formats': video_formats,
            'title': video_title,
        }]