# coding: utf-8

from __future__ import unicode_literals

import re
import json
from .common import InfoExtractor
from ..utils import (
	ExtractorError,
	js_to_json,
	unescapeHTML
)


class DVTVIE(InfoExtractor):
	IE_NAME = 'dvtv'
	IE_DESC = 'http://video.aktualne.cz/dvtv/'

	_VALID_URL = r'http://video\.aktualne\.cz/dvtv/(?P<id>[a-z0-9-]+/r~[0-9a-f]{32})/?'

	_TESTS = [{
		'url': 'http://video.aktualne.cz/dvtv/vondra-o-ceskem-stoleti-pri-pohledu-na-havla-mi-bylo-trapne/r~e5efe9ca855511e4833a0025900fea04/',
		'md5': '75800f964fa0f82939a2914563301f72',
		'info_dict': {
			'id': 'e5efe9ca855511e4833a0025900fea04',
			'ext': 'webm',
			'title': 'Vondra o Českém století: Při pohledu na Havla mi bylo trapně'
		}
	}, {
		'url': 'http://video.aktualne.cz/dvtv/stropnicky-policie-vrbetice-preventivne-nekontrolovala/r~82ed4322849211e4a10c0025900fea04/',
		'md5': 'd50455195a67a94c57f931360cc68a1b',
		'info_dict': {
			'id': '82ed4322849211e4a10c0025900fea04',
			'ext': 'webm',
			'title': 'Stropnický: Policie Vrbětice preventivně nekontrolovala'
		}
	}]

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

		code = self._search_regex(r'embedData[0-9a-f]{32}\[\'asset\'\] = (\{.+?\});', webpage, 'video JSON', flags=re.DOTALL)
		payload = self._parse_json(code, video_id, transform_source=js_to_json)
		formats = []
		for source in payload['sources']:
			formats.append({
				'url': source['file'],
				'ext': source['type'][6:],
				'format': '%s %s' % (source['type'][6:], source['label']),
				'format_id': '%s-%s' % (source['type'][6:], source['label']),
				'resolution': source['label'],
				'fps': 25,
				'preference': -1 if source['type'][6:] == 'mp4' and source['label'] == '720p' else -2
			})

		return {
			'id': video_id[-32:],
			'display_id': video_id[:-35],
			'title': unescapeHTML(payload['title']),
			'thumbnail': 'http:%s' % payload['image'],
			'formats': formats
		}