# -*- coding: utf-8 -*-

#################################################################################################

import logging
import shutil
import os
import unicodedata
import xml.etree.ElementTree as etree

import xbmc
import xbmcaddon
import xbmcvfs

import read_embyserver as embyserver
import embydb_functions as embydb
from utils import window, language as lang, indent as xml_indent, urllib_path

#################################################################################################

log = logging.getLogger("EMBY."+__name__)
KODI = int(xbmc.getInfoLabel('System.BuildVersion')[:2])

#################################################################################################


class Views(object):

    media_types = {
        'movies': "Movie",
        'tvshows': "Series",
        'musicvideos': "MusicVideo",
        'homevideos': "Video",
        'music': "Audio",
        'photos': "Photo"
    }

    def __init__(self, emby_cursor, kodi_cursor):
        self.emby_cursor = emby_cursor
        self.kodi_cursor = kodi_cursor

        self.total_nodes = 0
        self.nodes = list()
        self.playlists = list()
        self.views = list()
        self.sorted_views = list()
        self.grouped_views = list()

        self.video_nodes = VideoNodes()
        self.playlist = Playlist()
        self.emby = embyserver.Read_EmbyServer()
        self.emby_db = embydb.Embydb_Functions(emby_cursor)

    def _populate_views(self):
        # Will get emby views and views in Kodi
        try:
            grouped_views = self.emby.get_views()
        except Exception as error:
            log.info("Error getting views from server: " + str(error))
            grouped_views = None

        if grouped_views is not None and "Items" in grouped_views:
            self.grouped_views = grouped_views['Items']
        else:
            self.grouped_views = []

        for view in self.emby.getViews(sortedlist=True):
            self.views.append(view['name'])
            if view['type'] == "music":
                continue

            if view['type'] == "mixed":
                self.sorted_views.append(view['name'])
            self.sorted_views.append(view['name'])

        log.info("sorted views: %s", self.sorted_views)
        self.total_nodes = len(self.sorted_views)

    def maintain(self):
        # Compare views to emby
        self._populate_views()
        curr_views = self.emby_db.getViews()
        # total nodes for window properties
        self.video_nodes.clearProperties()

        for media_type in ('movies', 'tvshows', 'musicvideos', 'homevideos', 'music', 'photos'):

            self.nodes = list() # Prevent duplicate for nodes of the same type
            self.playlists = list() # Prevent duplicate for playlists of the same type
            # Get media folders to include mixed views as well
            for folder in self.emby.getViews(media_type, root=True):

                view_id = folder['id']
                view_name = folder['name']
                view_type = folder['type']

                if view_name not in self.views:
                    # Media folders are grouped into userview
                    view_name = self._get_grouped_view(media_type, view_id, view_name)
                
                try: # Make sure the view is in sorted views before proceeding
                    self.sorted_views.index(view_name)
                except ValueError:
                    self.sorted_views.append(view_name)

                # Get current media folders from emby database and compare
                if self.compare_view(media_type, view_id, view_name, view_type):
                    if view_id in curr_views: # View is still valid
                        curr_views.remove(view_id)

        # Add video nodes listings
        self.add_single_nodes()
        # Save total
        window('Emby.nodes.total', str(self.total_nodes))
        # Remove any old referenced views
        log.info("Removing views: %s", curr_views)
        for view in curr_views:
            self.remove_view(view)

    def _get_grouped_view(self, media_type, view_id, view_name):
        # Get single item from view to compare
        try:
            result = self.emby.get_single_item(self.media_types[media_type], view_id)
            item = result['Items'][0]['Id']
        except Exception as error:
            log.info("Error getting single item form server: " + str(error))
            # Something is wrong. Keep the same folder name.
            # Could be the view is empty or the connection
            pass
        else:
            for view in self.grouped_views:
                if view['Type'] == "UserView" and view.get('CollectionType') == media_type:
                    # Take the userview, and validate the item belong to the view
                    if self.emby.verifyView(view['Id'], item):
                        log.info("found corresponding view: %s %s", view['Name'], view['Id'])
                        view_name = view['Name']
                        break
            else: # Unable to find a match, add the name to our sorted_view list
                log.info("couldn't find corresponding grouped view: %s", self.sorted_views)

        return view_name

    def add_view(self, media_type, view_id, view_name, view_type):
        # Generate view, playlist and video node
        log.info("creating view %s: %s", view_name, view_id)
        tag_id = self.get_tag(view_name)

        self.add_playlist_node(media_type, view_id, view_name, view_type)
        # Add view to emby database
        group_series = self.is_grouped_series(view_id, view_type)
        self.emby_db.addView(view_id, view_name, view_type, tag_id, group_series)

    def is_grouped_series(self, view_id, view_type):

        if window('emby.userinfo.json')['Policy']['IsAdministrator']:
            try:
                return self.emby.get_view_options(view_id)['EnableAutomaticSeriesGrouping'] if view_type == "tvshows" else None
            except Exception as error: # Currently admin only api entrypoint
                log.error(error)
                return None
        else:
            return None

    def compare_view(self, media_type, view_id, view_name, view_type):

        curr_view = self.emby_db.getView_byId(view_id)
        try:
            curr_view_name = curr_view[0]
            curr_view_type = curr_view[1]
            curr_tag_id = curr_view[2]
        except TypeError:
            self.add_view(media_type, view_id, view_name, view_type)
            return False
        
        # View is still valid
        log.debug("Found viewid: %s viewname: %s viewtype: %s tagid: %s",
                  view_id, curr_view_name, curr_view_type, curr_tag_id)

        if curr_view_name != view_name:
            # View was modified, update with latest info
            log.info("viewid: %s new viewname: %s", view_id, view_name)
            tag_id = self.get_tag(view_name)
            # Update view with new info
            self.emby_db.updateView(view_name, tag_id, view_id)
            # Delete old playlists and video nodes
            self.delete_playlist_node(media_type, curr_view_name, view_id, curr_view_type)
            # Update items with new tag
            self._update_items_tag(curr_view_type[:-1], view_id, curr_tag_id, tag_id)

        group_series = self.is_grouped_series(view_id, view_type)
        self.emby_db.update_view_grouped_series(view_id, group_series)
        # Verify existance of playlist and nodes
        self.add_playlist_node(media_type, view_id, view_name, view_type)
        return True

    def remove_view(self, view):
        # Remove any items that belongs to the old view
        items = self.emby_db.get_item_by_view(view)
        items = [i[0] for i in items] # Convert list of tuple to list
        # TODO: Triage not accessible from here yet
        #self.triage_items("remove", items)

    def _update_items_tag(self, media_type, view_id, tag, new_tag):
        items = self.emby_db.getItem_byView(view_id)
        for item in items:
            # Remove the "s" from viewtype for tags
            self._update_tag(tag, new_tag, item[0], media_type)

    def get_tag(self, tag):
        # This will create and return the tag_id
        if KODI > 14:
            # Kodi Isengard and up
            query = ' '.join((

                "SELECT tag_id",
                "FROM tag",
                "WHERE name = ?",
                "COLLATE NOCASE"
            ))
            self.kodi_cursor.execute(query, (tag,))
            try:
                tag_id = self.kodi_cursor.fetchone()[0]
            except TypeError:
                tag_id = self._add_tag(tag)
        else:# TODO: Remove once Kodi Krypton is RC
            query = ' '.join((

                "SELECT idTag",
                "FROM tag",
                "WHERE strTag = ?",
                "COLLATE NOCASE"
            ))
            self.kodi_cursor.execute(query, (tag,))
            try:
                tag_id = self.kodi_cursor.fetchone()[0]
            except TypeError:
                self.kodi_cursor.execute("select coalesce(max(idTag),0) from tag")
                tag_id = self.kodi_cursor.fetchone()[0] + 1

                query = "INSERT INTO tag(idTag, strTag) values(?, ?)"
                self.kodi_cursor.execute(query, (tag_id, tag))
                log.debug("Create idTag: %s name: %s", tag_id, tag)

        return tag_id

    def _add_tag(self, tag):

        self.kodi_cursor.execute("select coalesce(max(tag_id),0) from tag")
        tag_id = self.kodi_cursor.fetchone()[0] + 1

        query = "INSERT INTO tag(tag_id, name) values(?, ?)"
        self.kodi_cursor.execute(query, (tag_id, tag))
        log.debug("Create tag_id: %s name: %s", tag_id, tag)

        return tag_id

    def _update_tag(self, tag, new_tag, kodi_id, media_type):

        log.debug("Updating: %s with %s for %s: %s", tag, new_tag, media_type, kodi_id)

        if KODI > 14:
            # Kodi Isengard and up
            try:
                query = ' '.join((

                    "UPDATE tag_link",
                    "SET tag_id = ?",
                    "WHERE media_id = ?",
                    "AND media_type = ?",
                    "AND tag_id = ?"
                ))
                self.kodi_cursor.execute(query, (new_tag, kodi_id, media_type, tag,))
            except sqlite3.IntegrityError:
                # The new tag we are going to apply already exists for this item
                # delete current tag instead
                query = ' '.join((

                    "DELETE FROM tag_link",
                    "WHERE media_id = ?",
                    "AND media_type = ?",
                    "AND tag_id = ?"
                ))
                self.kodi_cursor.execute(query, (kodi_id, media_type, tag,))
        else:# TODO: Remove once Kodi Krypton is RC
            try:
                query = ' '.join((

                    "UPDATE taglinks",
                    "SET idTag = ?",
                    "WHERE idMedia = ?",
                    "AND media_type = ?",
                    "AND idTag = ?"
                ))
                self.kodi_cursor.execute(query, (new_tag, kodi_id, media_type, tag,))
            except sqlite3.IntegrityError:
                # The new tag we are going to apply already exists for this item
                # delete current tag instead
                query = ' '.join((

                    "DELETE FROM taglinks",
                    "WHERE idMedia = ?",
                    "AND media_type = ?",
                    "AND idTag = ?"
                ))
                self.kodi_cursor.execute(query, (kodi_id, media_type, tag,))

    def add_playlist_node(self, media_type, view_id, view_name, view_type):
        # Create playlist for the video library
        if view_name not in self.playlists and media_type in ('movies', 'tvshows', 'musicvideos'):
            self.playlist.process_playlist(media_type, view_id, view_name, view_type)
            self.playlists.append(view_name)
        # Create the video node
        if view_name not in self.nodes and media_type not in ('musicvideos', 'music'):
            index = self.sorted_views.index(view_name)
            self.video_nodes.viewNode(index, view_name, media_type, view_type, view_id)
            
            if view_type == "mixed": # Change the value
                self.sorted_views[index] = "%ss" % view_name
            
            self.nodes.append(view_name)
            self.total_nodes += 1

    def delete_playlist_node(self, media_type, view_id, view_name, view_type):

        if media_type == "music":
            return

        if self.emby_db.getView_byName(view_name) is None:
            # The tag could be a combined view. Ensure there's no other tags
            # with the same name before deleting playlist.
            self.playlist.process_playlist(media_type, view_id, view_name, view_type, True)
            # Delete video node
            if media_type != "musicvideos":
                self.video_nodes.viewNode(None, view_name, media_type, view_type, view_id, True)

    def add_single_nodes(self):

        singles = [
            ("Favorite movies", "movies", "favourites"),
            ("Favorite tvshows", "tvshows", "favourites"),
            ("Favorite episodes", "episodes", "favourites"),
            ("channels", "movies", "channels")
        ]
        for args in singles:
            self._single_node(self.total_nodes, *args)

    def _single_node(self, index, tag, media_type, view_type):
        self.video_nodes.singleNode(index, tag, media_type, view_type)
        self.total_nodes += 1

    def offline_mode(self):
        # Just reads from the db and populate views that way
        # total nodes for window properties
        self.video_nodes.clearProperties()

        for media_type in ('movies', 'tvshows', 'musicvideos', 'homevideos', 'music', 'photos'):

            self.nodes = list() # Prevent duplicate for nodes of the same type
            self.playlists = list() # Prevent duplicate for playlists of the same type

            views = self.emby_db.getView_byType(media_type)
            for view in views:

                try: # Make sure the view is in sorted views before proceeding
                    self.sorted_views.index(view['name'])
                except ValueError:
                    self.sorted_views.append(view['name'])

                self.add_playlist_node(media_type, view['id'], view['name'], view['mediatype'])

        self.add_single_nodes()
        window('Emby.nodes.total', str(self.total_nodes))


class Playlist(object):

    def __init__(self):
        pass

    def process_playlist(self, media_type, view_id, view_name, view_type, delete=False):
        # Tagname is in unicode - actions: add or delete
        tag = view_name.encode('utf-8')
        path = xbmc.translatePath("special://profile/playlists/video/").decode('utf-8')

        if view_type == "mixed":
            playlist_name = "%s - %s" % (tag, media_type)
            xsp_path = os.path.join(path, "Emby %s - %s.xsp" % (view_id, media_type))
        else:
            playlist_name = tag
            xsp_path = os.path.join(path, "Emby %s.xsp" % view_id)

        # Only add the playlist if it doesn't exist
        if xbmcvfs.exists(xsp_path):
            if delete:
                self._delete_playlist(xsp_path)
            return

        elif not xbmcvfs.exists(path):
            log.info("creating directory: %s", path)
            xbmcvfs.mkdirs(path)

        self._add_playlist(tag, playlist_name, xsp_path, media_type)

    def _add_playlist(self, tag, name, path, media_type):
        # Using write process since there's no guarantee the xml declaration works with etree
        special_types = {'homevideos': "movies"}
        log.info("writing playlist to: %s", path)
        try:
            f = xbmcvfs.File(path, 'w')
        except:
            log.info("failed to create playlist: %s", path)
        else:
            f.write(
                '<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>\n'
                '<smartplaylist type="%s">\n\t'
                    '<name>Emby %s</name>\n\t'
                    '<match>all</match>\n\t'
                    '<rule field="tag" operator="is">\n\t\t'
                        '<value>%s</value>\n\t'
                    '</rule>'
                '</smartplaylist>'
                % (special_types.get(media_type, media_type), name, tag))
            f.close()
        log.info("successfully added playlist: %s", tag)

    @classmethod
    def _delete_playlist(cls, path):
        xbmcvfs.delete(path)
        log.info("successfully removed playlist: %s", path)

    def delete_playlists(self):
        # Clean up the playlists
        path = xbmc.translatePath("special://profile/playlists/video/").decode('utf-8')
        dirs, files = xbmcvfs.listdir(path)
        for file in files:
            if file.decode('utf-8').startswith('Emby'):
                self._delete_playlist(os.path.join(path, file))


class VideoNodes(object):


    def __init__(self):
        pass

    def normalize_nodes(self, text):
        # For video nodes
        text = text.replace(":", "")
        text = text.replace("/", "-")
        text = text.replace("\\", "-")
        text = text.replace("<", "")
        text = text.replace(">", "")
        text = text.replace("*", "")
        text = text.replace("?", "")
        text = text.replace('|', "")
        text = text.replace('(', "")
        text = text.replace(')', "")
        text = text.strip()
        # Remove dots from the last character as windows can not have directories
        # with dots at the end
        text = text.rstrip('.')
        text = unicodedata.normalize('NFKD', unicode(text, 'utf-8')).encode('ascii', 'ignore')

        return text

    def commonRoot(self, order, label, tagname="", roottype=1):

        if roottype == 0:
            # Index
            root = etree.Element('node', attrib={'order': "%s" % order})
        elif roottype == 1:
            # Filter
            root = etree.Element('node', attrib={'order': "%s" % order, 'type': "filter"})
            etree.SubElement(root, 'match').text = "all"
            # Add tag rule
            rule = etree.SubElement(root, 'rule', attrib={'field': "tag", 'operator': "is"})
            etree.SubElement(rule, 'value').text = tagname
        else:
            # Folder
            root = etree.Element('node', attrib={'order': "%s" % order, 'type': "folder"})

        etree.SubElement(root, 'label').text = label
        etree.SubElement(root, 'icon').text = "special://home/addons/plugin.video.emby/icon.png"

        return root

    def viewNode(self, indexnumber, tagname, mediatype, viewtype, viewid, delete=False):

        if viewtype == "mixed":
            dirname = "%s - %s" % (viewid, mediatype)
        else:
            dirname = viewid
        
        nodepath = xbmc.translatePath(
                    "special://profile/library/video/emby/%s/" % dirname).decode('utf-8')

        if delete:
            dirs, files = xbmcvfs.listdir(nodepath)
            for file in files:
                xbmcvfs.delete(nodepath + file)

            log.info("Sucessfully removed videonode: %s." % tagname)
            return

        # Verify the video directory
        path = xbmc.translatePath("special://profile/library/video/").decode('utf-8')
        if not xbmcvfs.exists(path):
            try:
                shutil.copytree(
                    src=xbmc.translatePath("special://xbmc/system/library/video").decode('utf-8'),
                    dst=xbmc.translatePath("special://profile/library/video").decode('utf-8'))
            except Exception as error:
                log.error(error)

            xbmcvfs.mkdir(path)

        embypath = xbmc.translatePath("special://profile/library/video/emby/").decode('utf-8')
        if not xbmcvfs.exists(embypath):
            xbmcvfs.mkdir(embypath)
            root = self.commonRoot(order=0, label="Emby", roottype=0)
            try:
                xml_indent(root)
            except: pass
            etree.ElementTree(root).write(os.path.join(embypath, "index.xml"))

        # Create the node directory
        if not xbmcvfs.exists(nodepath) and not mediatype == "photos":
            # We need to copy over the default items
            xbmcvfs.mkdir(nodepath)

        # Create index entry
        nodeXML = "%sindex.xml" % nodepath
        # Set windows property
        path = "library://video/emby/%s/" % dirname
        for i in range(1, indexnumber):
            # Verify to make sure we don't create duplicates
            if window('Emby.nodes.%s.index' % i) == path:
                return

        if mediatype == "photos":
            path = "plugin://plugin.video.emby/?id=%s&mode=getsubfolders" % indexnumber
            
        window('Emby.nodes.%s.index' % indexnumber, value=path)
        
        # Root
        if not mediatype == "photos":
            if viewtype == "mixed":
                specialtag = "%s - %s" % (tagname, mediatype)
                root = self.commonRoot(order=0, label=specialtag, tagname=tagname, roottype=0)
            else:
                root = self.commonRoot(order=0, label=tagname, tagname=tagname, roottype=0)
            try:
                xml_indent(root)
            except: pass
            etree.ElementTree(root).write(nodeXML)

        nodetypes = {

            '1': "all",
            '2': "recent",
            '3': "recentepisodes",
            '4': "inprogress",
            '5': "inprogressepisodes",
            '6': "unwatched",
            '7': "nextepisodes",
            '8': "sets",
            '9': "genres",
            '10': "random",
            '11': "recommended",
        }
        mediatypes = {
            # label according to nodetype per mediatype
            'movies': 
                {
                '1': tagname,
                '2': 30174,
                '4': 30177,
                '6': 30189,
                '8': 20434,
                '9': 135,
                '10': 30229,
                '11': 30230
                },

            'tvshows': 
                {
                '1': tagname,
                '2': 30170,
                '3': 30175,
                '4': 30171,
                '5': 30178,
                '7': 30179,
                '9': 135,
                '10': 30229,
                '11': 30230
                },
                
            'homevideos': 
                {
                '1': tagname,
                '2': 30251,
                '11': 30253
                },
                
            'photos': 
                {
                '1': tagname,
                '2': 30252,
                '8': 30255,
                '11': 30254
                },

            'musicvideos': 
                {
                '1': tagname,
                '2': 30256,
                '4': 30257,
                '6': 30258
                }
        }

        nodes = mediatypes[mediatype]
        for node in nodes:

            nodetype = nodetypes[node]
            nodeXML = "%s%s.xml" % (nodepath, nodetype)
            # Get label
            stringid = nodes[node]
            if node != "1":
                label = lang(stringid)
                if not label:
                    label = xbmc.getLocalizedString(stringid)
            else:
                label = stringid

            # Set window properties
            if (mediatype == "homevideos" or mediatype == "photos") and nodetype == "all":
                params = {

                    'id': tagname.encode('utf-8'),
                    'mode': "browsecontent",
                    'type': mediatype
                }
                path = urllib_path("plugin://plugin.video.emby/", params)

            elif (mediatype == "homevideos" or mediatype == "photos"):
                params = {

                    'id': tagname.encode('utf-8'),
                    'mode': "browsecontent",
                    'type': mediatype,
                    'folderid': nodetype
                }
                path = urllib_path("plugin://plugin.video.emby/", params)

            elif nodetype == "nextepisodes":
                params = {

                    'id': tagname.encode('utf-8'),
                    'mode': "nextup",
                    'limit': 25
                }
                path = urllib_path("plugin://plugin.video.emby/", params)

            elif KODI == 14 and nodetype == "recentepisodes":
                params = {

                    'id': tagname.encode('utf-8'),
                    'mode': "recentepisodes",
                    'limit': 25
                }
                path = urllib_path("plugin://plugin.video.emby/", params)

            elif KODI == 14 and nodetype == "inprogressepisodes":
                params = {

                    'id': tagname.encode('utf-8'),
                    'mode': "inprogressepisodes",
                    'limit': 25
                }
                path = urllib_path("plugin://plugin.video.emby/", params)
            else:
                path = "library://video/emby/%s/%s.xml" % (viewid, nodetype)
            
            if mediatype == "photos":
                windowpath = "ActivateWindow(Pictures,%s,return)" % path
            else:
                windowpath = "ActivateWindow(Videos,%s,return)" % path
            
            if nodetype == "all":

                if viewtype == "mixed":
                    templabel = "%s - %s" % (tagname, mediatype)
                else:
                    templabel = label

                embynode = "Emby.nodes.%s" % indexnumber
                window('%s.title' % embynode, value=templabel)
                window('%s.path' % embynode, value=windowpath)
                window('%s.content' % embynode, value=path)
                window('%s.type' % embynode, value=mediatype)
            else:
                embynode = "Emby.nodes.%s.%s" % (indexnumber, nodetype)
                window('%s.title' % embynode, value=label)
                window('%s.path' % embynode, value=windowpath)
                window('%s.content' % embynode, value=path)

            if mediatype == "photos":
                # For photos, we do not create a node in videos but we do want the window props
                # to be created.
                # To do: add our photos nodes to kodi picture sources somehow
                continue
            
            if xbmcvfs.exists(nodeXML):
                # Don't recreate xml if already exists
                continue

            # Create the root
            if (nodetype == "nextepisodes" or mediatype == "homevideos" or
                    (KODI == 14 and nodetype in ('recentepisodes', 'inprogressepisodes'))):
                # Folder type with plugin path
                root = self.commonRoot(order=node, label=label, tagname=tagname, roottype=2)
                etree.SubElement(root, 'path').text = path
                etree.SubElement(root, 'content').text = "episodes"
            else:
                root = self.commonRoot(order=node, label=label, tagname=tagname)
                if nodetype in ('recentepisodes', 'inprogressepisodes'):
                    etree.SubElement(root, 'content').text = "episodes"
                else:
                    etree.SubElement(root, 'content').text = mediatype

                limit = "25"
                # Elements per nodetype
                if nodetype == "all":
                    etree.SubElement(root, 'order', {'direction': "ascending"}).text = "sorttitle"
                
                elif nodetype == "recent":
                    etree.SubElement(root, 'order', {'direction': "descending"}).text = "dateadded"
                    etree.SubElement(root, 'limit').text = limit
                    rule = etree.SubElement(root, 'rule', {'field': "playcount", 'operator': "is"})
                    etree.SubElement(rule, 'value').text = "0"
                
                elif nodetype == "inprogress":
                    etree.SubElement(root, 'rule', {'field': "inprogress", 'operator': "true"})
                    etree.SubElement(root, 'limit').text = limit

                elif nodetype == "genres":
                    etree.SubElement(root, 'order', {'direction': "ascending"}).text = "sorttitle"
                    etree.SubElement(root, 'group').text = "genres"
                
                elif nodetype == "unwatched":
                    etree.SubElement(root, 'order', {'direction': "ascending"}).text = "sorttitle"
                    rule = etree.SubElement(root, "rule", {'field': "playcount", 'operator': "is"})
                    etree.SubElement(rule, 'value').text = "0"

                elif nodetype == "sets":
                    etree.SubElement(root, 'order', {'direction': "ascending"}).text = "sorttitle"
                    etree.SubElement(root, 'group').text = "sets"

                elif nodetype == "random":
                    etree.SubElement(root, 'order', {'direction': "ascending"}).text = "random"
                    etree.SubElement(root, 'limit').text = limit

                elif nodetype == "recommended":
                    etree.SubElement(root, 'order', {'direction': "descending"}).text = "rating"
                    etree.SubElement(root, 'limit').text = limit
                    rule = etree.SubElement(root, 'rule', {'field': "playcount", 'operator': "is"})
                    etree.SubElement(rule, 'value').text = "0"
                    rule2 = etree.SubElement(root, 'rule',
                        attrib={'field': "rating", 'operator': "greaterthan"})
                    etree.SubElement(rule2, 'value').text = "7"

                elif nodetype == "recentepisodes":
                    # Kodi Isengard, Jarvis
                    etree.SubElement(root, 'order', {'direction': "descending"}).text = "dateadded"
                    etree.SubElement(root, 'limit').text = limit
                    rule = etree.SubElement(root, 'rule', {'field': "playcount", 'operator': "is"})
                    etree.SubElement(rule, 'value').text = "0"

                elif nodetype == "inprogressepisodes":
                    # Kodi Isengard, Jarvis
                    etree.SubElement(root, 'limit').text = "25"
                    rule = etree.SubElement(root, 'rule',
                        attrib={'field': "inprogress", 'operator':"true"})

            try:
                xml_indent(root)
            except: pass
            etree.ElementTree(root).write(nodeXML)

    def singleNode(self, indexnumber, tagname, mediatype, itemtype):

        tagname = tagname.encode('utf-8')
        cleantagname = self.normalize_nodes(tagname)
        nodepath = xbmc.translatePath("special://profile/library/video/").decode('utf-8')
        nodeXML = "%semby_%s.xml" % (nodepath, cleantagname)
        path = "library://video/emby_%s.xml" % cleantagname
        windowpath = "ActivateWindow(Videos,%s,return)" % path
        
        # Create the video node directory
        if not xbmcvfs.exists(nodepath):
            # We need to copy over the default items
            shutil.copytree(
                src=xbmc.translatePath("special://xbmc/system/library/video").decode('utf-8'),
                dst=xbmc.translatePath("special://profile/library/video").decode('utf-8'))
            xbmcvfs.exists(path)

        labels = {

            'Favorite movies': 30180,
            'Favorite tvshows': 30181,
            'Favorite episodes': 30182,
            'channels': 30173
        }
        label = lang(labels[tagname])
        embynode = "Emby.nodes.%s" % indexnumber
        window('%s.title' % embynode, value=label)
        window('%s.path' % embynode, value=windowpath)
        window('%s.content' % embynode, value=path)
        window('%s.type' % embynode, value=itemtype)

        if xbmcvfs.exists(nodeXML):
            # Don't recreate xml if already exists
            return

        if itemtype == "channels":
            root = self.commonRoot(order=1, label=label, tagname=tagname, roottype=2)
            etree.SubElement(root, 'path').text = "plugin://plugin.video.emby/?id=0&mode=channels"
        elif itemtype == "favourites" and mediatype == "episodes":
            root = self.commonRoot(order=1, label=label, tagname=tagname, roottype=2)
            etree.SubElement(root, 'path').text = "plugin://plugin.video.emby/?id=%s&mode=browsecontent&type=%s&folderid=favepisodes" %(tagname, mediatype)
        else:
            root = self.commonRoot(order=1, label=label, tagname=tagname)
            etree.SubElement(root, 'order', {'direction': "ascending"}).text = "sorttitle"

        etree.SubElement(root, 'content').text = mediatype

        try:
            xml_indent(root)
        except: pass
        etree.ElementTree(root).write(nodeXML)

    def deleteNodes(self):
        # Clean up video nodes
        path = xbmc.translatePath("special://profile/library/video/emby/").decode('utf-8')
        if (xbmcvfs.exists(path)):
            try:
                shutil.rmtree(path)
            except:
                log.warn("Failed to delete directory: %s" % path)
        # Old cleanup code kept for cleanup of old style nodes
        path = xbmc.translatePath("special://profile/library/video/").decode('utf-8')
        dirs, files = xbmcvfs.listdir(path)
        for dir in dirs:
            if dir.decode('utf-8').startswith('Emby'):
                try:
                    shutil.rmtree("%s%s" % (path, dir.decode('utf-8')))
                except:
                    log.warn("Failed to delete directory: %s" % dir.decode('utf-8'))
        for file in files:
            if file.decode('utf-8').startswith('emby'):
                try:
                    xbmcvfs.delete("%s%s" % (path, file.decode('utf-8')))
                except:
                    log.warn("Failed to delete file: %s" % file.decode('utf-8'))

    def clearProperties(self):

        log.info("Clearing nodes properties.")
        embyprops = window('Emby.nodes.total')
        propnames = [
        
            "index","path","title","content",
            "inprogress.content","inprogress.title",
            "inprogress.content","inprogress.path",
            "nextepisodes.title","nextepisodes.content",
            "nextepisodes.path","unwatched.title",
            "unwatched.content","unwatched.path",
            "recent.title","recent.content","recent.path",
            "recentepisodes.title","recentepisodes.content",
            "recentepisodes.path","inprogressepisodes.title",
            "inprogressepisodes.content","inprogressepisodes.path"
        ]

        if embyprops:
            totalnodes = int(embyprops)
            for i in range(totalnodes):
                for prop in propnames:
                    window('Emby.nodes.%s.%s' % (str(i), prop), clear=True)