# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..compat import compat_str
from ..utils import (
	unescapeHTML,
	parse_duration,
	get_element_by_class,
)


class LEGOIE(InfoExtractor):
	_VALID_URL = r'https?://(?:www\.)?lego\.com/(?P<locale>[^/]+)/(?:[^/]+/)*videos/(?:[^/]+/)*[^/?#]+-(?P<id>[0-9a-f]+)'
	_TESTS = [{
		'url': 'http://www.lego.com/en-us/videos/themes/club/blocumentary-kawaguchi-55492d823b1b4d5e985787fa8c2973b1',
		'md5': 'f34468f176cfd76488767fc162c405fa',
		'info_dict': {
			'id': '55492d823b1b4d5e985787fa8c2973b1',
			'ext': 'mp4',
			'title': 'Blocumentary Great Creations: Akiyuki Kawaguchi',
			'description': 'Blocumentary Great Creations: Akiyuki Kawaguchi',
		},
	}, {
		# geo-restricted but the contentUrl contain a valid url
		'url': 'http://www.lego.com/nl-nl/videos/themes/nexoknights/episode-20-kingdom-of-heroes-13bdc2299ab24d9685701a915b3d71e7##sp=399',
		'md5': '4c3fec48a12e40c6e5995abc3d36cc2e',
		'info_dict': {
			'id': '13bdc2299ab24d9685701a915b3d71e7',
			'ext': 'mp4',
			'title': 'Aflevering 20 - Helden van het koninkrijk',
			'description': 'md5:8ee499aac26d7fa8bcb0cedb7f9c3941',
		},
	}, {
		# special characters in title
		'url': 'http://www.lego.com/en-us/starwars/videos/lego-star-wars-force-surprise-9685ee9d12e84ff38e84b4e3d0db533d',
		'info_dict': {
			'id': '9685ee9d12e84ff38e84b4e3d0db533d',
			'ext': 'mp4',
			'title': 'Force Surprise – LEGO® Star Wars™ Microfighters',
			'description': 'md5:9c673c96ce6f6271b88563fe9dc56de3',
		},
		'params': {
			'skip_download': True,
		},
	}]
	_BITRATES = [256, 512, 1024, 1536, 2560]

	def _real_extract(self, url):
		locale, video_id = re.match(self._VALID_URL, url).groups()
		webpage = self._download_webpage(url, video_id)
		title = get_element_by_class('video-header', webpage).strip()
		progressive_base = 'https://lc-mediaplayerns-live-s.legocdn.com/'
		streaming_base = 'http://legoprod-f.akamaihd.net/'
		content_url = self._html_search_meta('contentUrl', webpage)
		path = self._search_regex(
			r'(?:https?:)?//[^/]+/(?:[iz]/s/)?public/(.+)_[0-9,]+\.(?:mp4|webm)',
			content_url, 'video path', default=None)
		if not path:
			player_url = self._proto_relative_url(self._search_regex(
				r'<iframe[^>]+src="((?:https?)?//(?:www\.)?lego\.com/[^/]+/mediaplayer/video/[^"]+)',
				webpage, 'player url', default=None))
			if not player_url:
				base_url = self._proto_relative_url(self._search_regex(
					r'data-baseurl="([^"]+)"', webpage, 'base url',
					default='http://www.lego.com/%s/mediaplayer/video/' % locale))
				player_url = base_url + video_id
			player_webpage = self._download_webpage(player_url, video_id)
			video_data = self._parse_json(unescapeHTML(self._search_regex(
				r"video='([^']+)'", player_webpage, 'video data')), video_id)
			progressive_base = self._search_regex(
				r'data-video-progressive-url="([^"]+)"',
				player_webpage, 'progressive base', default='https://lc-mediaplayerns-live-s.legocdn.com/')
			streaming_base = self._search_regex(
				r'data-video-streaming-url="([^"]+)"',
				player_webpage, 'streaming base', default='http://legoprod-f.akamaihd.net/')
			item_id = video_data['ItemId']

			net_storage_path = video_data.get('NetStoragePath') or '/'.join([item_id[:2], item_id[2:4]])
			base_path = '_'.join(
				[item_id, video_data['VideoId'], video_data['Locale'], compat_str(video_data['VideoVersion'])])
			path = '/'.join([net_storage_path, base_path])
		streaming_path = ','.join(map(lambda bitrate: compat_str(bitrate), self._BITRATES))

		formats = self._extract_akamai_formats(
			'%si/s/public/%s_,%s,.mp4.csmil/master.m3u8' % (streaming_base, path, streaming_path), video_id)
		m3u8_formats = list(filter(
			lambda f: f.get('protocol') == 'm3u8_native' and f.get('vcodec') != 'none',
			formats))
		if len(m3u8_formats) == len(self._BITRATES):
			self._sort_formats(m3u8_formats)
			for bitrate, m3u8_format in zip(self._BITRATES, m3u8_formats):
				progressive_base_url = '%spublic/%s_%d.' % (progressive_base, path, bitrate)
				mp4_f = m3u8_format.copy()
				mp4_f.update({
					'url': progressive_base_url + 'mp4',
					'format_id': m3u8_format['format_id'].replace('hls', 'mp4'),
					'protocol': 'http',
				})
				web_f = {
					'url': progressive_base_url + 'webm',
					'format_id': m3u8_format['format_id'].replace('hls', 'webm'),
					'width': m3u8_format['width'],
					'height': m3u8_format['height'],
					'tbr': m3u8_format.get('tbr'),
					'ext': 'webm',
				}
				formats.extend([web_f, mp4_f])
		else:
			for bitrate in self._BITRATES:
				for ext in ('web', 'mp4'):
					formats.append({
						'format_id': '%s-%s' % (ext, bitrate),
						'url': '%spublic/%s_%d.%s' % (progressive_base, path, bitrate, ext),
						'tbr': bitrate,
						'ext': ext,
					})
		self._sort_formats(formats)

		return {
			'id': video_id,
			'title': title,
			'description': self._html_search_meta('description', webpage),
			'thumbnail': self._html_search_meta('thumbnail', webpage),
			'duration': parse_duration(self._html_search_meta('duration', webpage)),
			'formats': formats,
		}
