import re
import base64
import urllib
import json

from .common import InfoExtractor

video_container = ('.mp4', '.mkv', '.flv')

class ChilloutzoneIE(InfoExtractor):
    _VALID_URL = r'(?:https?://)?(?:www\.)?chilloutzone\.net/video/(?P<id>[\w|-]+).html'
    _TEST = {
        'url': 'http://www.chilloutzone.net/video/enemene-meck-alle-katzen-weg.html',
        'md5': 'a76f3457e813ea0037e5244f509e66d1',
        'info_dict': {
            'id': 'enemene-meck-alle-katzen-weg',
            'ext': 'mp4',
            'title': 'Enemene Meck - Alle Katzen weg',
        },
    }

    def _real_extract(self, url):
        mobj = re.match(self._VALID_URL, url)
        video_id = mobj.group('id')

        webpage_url = 'http://www.chilloutzone.net/video/' + video_id + '.html'

        # Log that we are starting to download the page
        self.report_download_webpage(webpage_url)
        webpage = self._download_webpage(webpage_url, video_id)
    
        # Log that we are starting to parse the page
        self.report_extraction(video_id)        
        # Find base64 decoded file info
        base64_video_info = self._html_search_regex(r'var cozVidData = "(.+?)";', webpage, u'video Data')
        # decode string and find video file
        decoded_video_info = base64.b64decode(base64_video_info).decode("utf-8")
        video_info_dict = json.loads(decoded_video_info)
        # get video information from dict
        media_url = video_info_dict['mediaUrl']
        description = video_info_dict['description']
        title = video_info_dict['title']
        native_platform = video_info_dict['nativePlatform']
        native_video_id = video_info_dict['nativeVideoId']
        source_priority = video_info_dict['sourcePriority']


        # Start video extraction
        video_url = ''
        # If nativePlatform is None a fallback mechanism is used (i.e. youtube embed)
        if native_platform == None:
            # Look for other video urls
            video_url = self._html_search_regex(r'<iframe.* src="(.+?)".*', webpage, u'fallback Video URL')
            if 'youtube' in video_url:
                self.to_screen(u'Youtube video detected:')
                return self.url_result(video_url, ie='Youtube')

        # For debugging purposes
        #print video_info_dict
        #print native_platform
        #print native_video_id
        #print source_priority
        #print media_url

        # Non Fallback: Decide to use native source (e.g. youtube or vimeo) or
        # the own CDN
        if source_priority == 'native':
            if native_platform == 'youtube':
                self.to_screen(u'Youtube video detected:')
                video_url = 'https://www.youtube.com/watch?v=' + native_video_id
                return self.url_result(video_url, ie='Youtube') 
            if native_platform == 'vimeo':
                self.to_screen(u'Vimeo video detected:')
                video_url = 'http://vimeo.com/' + native_video_id
                return self.url_result(video_url, ie='Vimeo')

        # No redirect, use coz media url
        video_url = media_url
        if video_url.endswith('.mp4') == False:
            self.report_warning(u'Url does not contain a video container')
            return []


        return [{
            'id':        video_id,
            'url':       video_url,
            'ext':       'mp4',
            'title':     title,
            'description': description,
        }]