# encoding: UTF-8
# api: streamtuner2
# title: Youtube
# description: Channel, playlist and video browsing for youtube.
# type: channel
# version: 0.3
# url: http://www.youtube.com/
# category: video
# config:
#    { name: youtube_channels,  type: text,  value: "Key Of Awesome, Pentatonix",  description: "Preferred channels to list videos from.",  category: select }
#    { name: youtube_region,  type: select,  select: "=No Region|AR=Argentina|AU=Australia|AT=Austria|BE=Belgium|BR=Brazil|CA=Canada|CL=Chile|CO=Colombia|CZ=Czech Republic|EG=Egypt|FR=France|DE=Germany|GB=Great Britain|HK=Hong Kong|HU=Hungary|IN=India|IE=Ireland|IL=Israel|IT=Italy|JP=Japan|JO=Jordan|MY=Malaysia|MX=Mexico|MA=Morocco|NL=Netherlands|NZ=New Zealand|PE=Peru|PH=Philippines|PL=Poland|RU=Russia|SA=Saudi Arabia|SG=Singapore|ZA=South Africa|KR=South Korea|ES=Spain|SE=Sweden|CH=Switzerland|TW=Taiwan|AE=United Arab Emirates|US=United States",  value: GB,  description: "Filter by region id.",  category: auth }
#    { name: youtube_wadsworth,  type: boolean,  value: 0,  description: "Apply Wadsworth constant.",  category: filter }
# priority: default

        # My Channels
        # - searches channel id for given title
        # - iterates over playlist
        # - then over playlistitems to get videos
        elif cat in channels:
            # channel id, e.g. UCEmCXnbNYz-MOtXi3lZ7W1Q
            UC = self.channel_id(cat)

            # fetches videos ordered by date
            for row in self.api("search", order="date", fields="pageInfo,nextPageToken,items(id,snippet(title,channelTitle,description))", channelId=UC, type="video"):
                entries.append( self.wrap3(row, {"genre": cat, "playing": cat}) )
            
            # augments with playlist entries
            for i,playlist in enumerate(self.api("playlists", fields="items(id,snippet/title)", channelId=UC, maxResults=15)):

                # items (videos)
                for row in self.api("playlistItems", playlistId=playlist["id"], fields="items(snippet(title,resourceId/videoId,description))"):
                    entries.append(self.wrap3(row, {"genre": cat, "playing": playlist["snippet"]["title"]}))

                self.update_streams_partially_done(entries)
                self.parent.status(i / 15.0)
            
            # unique entries
            e = []
            [e.append(v) for v in entries if v not in e]
            entries = e
        
        # empty entries
        else:
            return self.placeholder
 
        # done    
        return entries

        return id
    channel2id = {}



    #-- Retrieve Youtube API query results
    #
    def api(self, method, ver=3, pages=5, debug=False, **params):
        items = []

        # URL and default parameters
        (base_url, defaults) = self.service[ver]
        params = dict( list(defaults.items()) + list(params.items())  )

        # Retrieve data set
        while pages > 0:
            j = ahttp.get(base_url + method, params=params)
            #if debug:
            #log.DATA(j)
            if j:
                # json decode
                data = json.loads(j)
                
                # extract items
                if "items" in data:

        data.update(dict(
            url = "http://youtube.com/v/" + id,
            homepage = "http://youtu.be/" + id + ("?wadsworth=1" if conf.youtube_wadsworth else ""),
            format = self.audioformat,
            title = row["snippet"]["title"],
        ))
        #log.DATA(row)
        
        # optional values
        if "snippet" in row:
            if "playing" not in data and "channelTitle" in row["snippet"]:
                 data["playing"] = row["snippet"]["channelTitle"]
            if "description" in row["snippet"] and "description" in row["snippet"]:
                data["description"] = row["snippet"]["description"],
        #log.UI(data)

        return data


    # API version 2.0s jsonified XML needs different unpacking:
    def wrap2(self, row):
        #log.DATA(row)