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

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

import binascii
import json
import logging
import threading
import sys

import xbmc
import xbmcgui

import connect
import downloader
import player
from client import get_device_id
from objects import Actions, PlaylistWorker, on_play, on_update, special_listener
from helper import _, settings, window, dialog, event, api, JSONRPC
from emby import Emby
from webservice import WebService

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

LOG = logging.getLogger("EMBY."+__name__)

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


class Monitor(xbmc.Monitor):

    servers = []
    sleep = False

    def __init__(self):

        self.player = player.Player()
        self.device_id = get_device_id()
        self.listener = Listener(self)
        self.listener.start()
        self.webservice = WebService()
        self.webservice.start()
        xbmc.Monitor.__init__(self)

    def onScanStarted(self, library):
        LOG.info("-->[ kodi scan/%s ]", library)

    def onScanFinished(self, library):
        LOG.info("--<[ kodi scan/%s ]", library)

    def onNotification(self, sender, method, data):

        if sender.lower() not in ('plugin.video.emby', 'xbmc', 'upnextprovider.signal'):
            return

        if sender == 'plugin.video.emby':
            method = method.split('.')[1]

            if method not in ('GetItem', 'ReportProgressRequested', 'LoadServer', 'RandomItems', 'Recommended',
                              'GetServerAddress', 'GetPlaybackInfo', 'Browse', 'GetImages', 'GetToken',
                              'PlayPlaylist', 'Play', 'GetIntros', 'GetAdditionalParts', 'RefreshItem', 'Genres',
                              'FavoriteItem', 'DeleteItem', 'AddUser', 'GetSession', 'GetUsers', 'GetThemes',
                              'GetTheme', 'Playstate', 'GeneralCommand', 'GetTranscodeOptions', 'RecentlyAdded',
                              'BrowseSeason', 'LiveTV', 'GetLiveStream'):
                return

            data = json.loads(data)[0]

        elif sender.startswith('upnextprovider'):
            method = method.split('.')[1]

            if method not in ('plugin.video.emby_play_action'):
                return

            data = json.loads(data)
            method = "Play"

            if data:
                data = json.loads(binascii.unhexlify(data[0]))
        else:
            if method not in ('Player.OnPlay', 'VideoLibrary.OnUpdate', 'Player.OnAVChange'):

                ''' We have to clear the playlist if it was stopped before it has been played completely.
                    Otherwise the next played item will be added the previous queue.
                '''
                if method == "Player.OnStop":
                    xbmc.sleep(3000) # let's wait for the player so we don't clear the canceled playlist by mistake.

                    if xbmc.getCondVisibility("!Player.HasMedia + !Window.IsVisible(busydialog)"):

                        xbmc.executebuiltin("Playlist.Clear")
                        LOG.info("[ playlist ] cleared")

                return

            data = json.loads(data)

        LOG.debug("[ %s: %s ] %s", sender, method, json.dumps(data, indent=4))

        if self.sleep:
            LOG.info("System.OnSleep detected, ignore monitor request.")

            return

        try:
            if not data.get('ServerId'):
                raise Exception("ServerId undefined.")

            if method != 'LoadServer' and data['ServerId'] not in self.servers:

                try:
                    connect.Connect().register(data['ServerId'])
                    self.server_instance(data['ServerId'])
                except Exception as error:

                    LOG.error(error)
                    dialog("ok", heading="{emby}", line1=_(33142))

                    return

            server = Emby(data['ServerId'])
        except Exception:
            server = Emby()

        if method == 'GetItem':

            item = server['api'].get_item(data['Id'])
            self.void_responder(data, item)

        elif method == 'GetAdditionalParts':

            item = server['api'].get_additional_parts(data['Id'])
            self.void_responder(data, item)

        elif method == 'GetIntros':

            item = server['api'].get_intros(data['Id'])
            self.void_responder(data, item)

        elif method == 'GetImages':

            item = server['api'].get_images(data['Id'])
            self.void_responder(data, item)

        elif method == 'GetServerAddress':

            server_address = server['auth/server-address']
            self.void_responder(data, server_address)

        elif method == 'GetPlaybackInfo':

            sources = server['api'].get_play_info(data['Id'], data['Profile'])
            self.void_responder(data, sources)

        elif method == 'GetLiveStream':

            sources = server['api'].get_live_stream(data['Id'], data['PlaySessionId'], data['Token'], data['Profile'])
            self.void_responder(data, sources)

        elif method == 'GetToken':

            token = server['auth/token']
            self.void_responder(data, token)

        elif method == 'GetSession':

            session = server['api'].get_device(self.device_id)
            self.void_responder(data, session)

        elif method == 'GetUsers':

            users = server['api'].get_users(data.get('IsDisabled', True), data.get('IsHidden', True))
            self.void_responder(data, users)

        elif method == 'GetTranscodeOptions':

            result = server['api'].get_transcode_settings()
            self.void_responder(data, result)

        elif method == 'GetThemes':

            if data['Type'] == 'Video':
                theme = server['api'].get_items_theme_video(data['Id'])
            else:
                theme = server['api'].get_items_theme_song(data['Id'])

            self.void_responder(data, theme)

        elif method == 'GetTheme':

            theme = server['api'].get_themes(data['Id'])
            self.void_responder(data, theme)

        elif method == 'Browse':

            result = downloader.get_filtered_section(data.get('Id'), data.get('Media'), data.get('Limit'),
                                                     data.get('Recursive'), data.get('Sort'), data.get('SortOrder'),
                                                     data.get('Filters'), data.get('Params'), data.get('ServerId'))
            self.void_responder(data, result)

        elif method == 'BrowseSeason':

            result = server['api'].get_seasons(data['Id'])
            self.void_responder(data, result)

        elif method == 'LiveTV':

            result = server['api'].get_channels()
            self.void_responder(data, result)

        elif method == 'RecentlyAdded':

            result = server['api'].get_recently_added(data.get('Media'), data.get('Id'), data.get('Limit'))
            self.void_responder(data, result)

        elif method == 'Genres':

            result = server['api'].get_genres(data.get('Id'))
            self.void_responder(data, result)

        elif method == 'Recommended':

            result = server['api'].get_recommendation(data.get('Id'), data.get('Limit'))
            self.void_responder(data, result)

        elif method == 'RefreshItem':
            server['api'].refresh_item(data['Id'])

        elif method == 'FavoriteItem':
            server['api'].favorite(data['Id'], data['Favorite'])

        elif method == 'DeleteItem':
            server['api'].delete_item(data['Id'])

        elif method == 'PlayPlaylist':

            server['api'].post_session(server['config/app.session'], "Playing", {
                'PlayCommand': "PlayNow",
                'ItemIds': data['Id'],
                'StartPositionTicks': 0
            })

        elif method == 'Play':

            items = server['api'].get_items(data['ItemIds'])

            PlaylistWorker(data.get('ServerId'), items, data['PlayCommand'] == 'PlayNow',
                           data.get('StartPositionTicks', 0), data.get('AudioStreamIndex'),
                           data.get('SubtitleStreamIndex')).start()

        elif method in ('ReportProgressRequested', 'Player.OnAVChange'):
            self.player.report_playback(data.get('Report', True))

        elif method == 'Playstate':
            self.playstate(data)

        elif method == 'GeneralCommand':
            self.general_commands(data)

        elif method == 'LoadServer':
            self.server_instance(data['ServerId'])

        elif method == 'AddUser':
            server['api'].session_add_user(server['config/app.session'], data['Id'], data['Add'])
            self.additional_users(server)

        elif method == 'Player.OnPlay':
            on_play(data, server)

        elif method == 'VideoLibrary.OnUpdate':
            on_update(data, server)

    def void_responder(self, data, result):

        window('emby_%s.json' % data['VoidName'], result)
        LOG.debug("--->[ nostromo/emby_%s.json ] sent", data['VoidName'])

    def server_instance(self, server_id=None):

        server = Emby(server_id)
        self.post_capabilities(server)

        if server_id is not None:
            self.servers.append(server_id)
        elif settings('additionalUsers'):

            users = settings('additionalUsers').split(',')
            all_users = server['api'].get_users()

            for additional in users:
                for user in all_users:

                    if user['Name'].lower() in additional.decode('utf-8').lower():
                        server['api'].session_add_user(server['config/app.session'], user['Id'], True)

            self.additional_users(server)

    def post_capabilities(self, server):
        LOG.info("--[ post capabilities/%s ]", server['auth/server-id'])

        server['api'].post_capabilities({
            'PlayableMediaTypes': "Audio,Video",
            'SupportsMediaControl': True,
            'SupportedCommands': (
                "MoveUp,MoveDown,MoveLeft,MoveRight,Select,"
                "Back,ToggleContextMenu,ToggleFullscreen,ToggleOsdMenu,"
                "GoHome,PageUp,NextLetter,GoToSearch,"
                "GoToSettings,PageDown,PreviousLetter,TakeScreenshot,"
                "VolumeUp,VolumeDown,ToggleMute,SendString,DisplayMessage,"
                "SetAudioStreamIndex,SetSubtitleStreamIndex,"
                "SetRepeatMode,"
                "Mute,Unmute,SetVolume,"
                "Play,Playstate,PlayNext,PlayMediaSource"
            ),
            'IconUrl': "https://raw.githubusercontent.com/MediaBrowser/plugin.video.emby/master/kodi_icon.png",
        })

        session = server['api'].get_device(self.device_id)
        server['config']['app.session'] = session[0]['Id']

    def additional_users(self, server):

        ''' Setup additional users images.
        '''
        for i in range(10):
            window('EmbyAdditionalUserImage.%s' % i, clear=True)

        try:
            session = server['api'].get_device(self.device_id)
        except Exception as error:
            LOG.error(error)

            return

        for index, user in enumerate(session[0]['AdditionalUsers']):

            info = server['api'].get_user(user['UserId'])
            image = api.API(info, server['config/auth.server']).get_user_artwork(user['UserId'])
            window('EmbyAdditionalUserImage.%s' % index, image)
            window('EmbyAdditionalUserPosition.%s' % user['UserId'], str(index))

    def playstate(self, data):

        ''' Emby playstate updates.
        '''
        command = data['Command']
        actions = {
            'Stop': self.player.stop,
            'Unpause': self.player.pause,
            'Pause': self.player.pause,
            'PlayPause': self.player.pause,
            'NextTrack': self.player.playnext,
            'PreviousTrack': self.player.playprevious
        }
        if command == 'Seek':

            if self.player.isPlaying():

                seektime = data['SeekPositionTicks'] / 10000000.0
                self.player.seekTime(seektime)
                LOG.info("[ seek/%s ]", seektime)

        elif command in actions:

            actions[command]()
            LOG.info("[ command/%s ]", command)

    def general_commands(self, data):

        ''' General commands from Emby to control the Kodi interface.
        '''
        command = data['Name']
        args = data['Arguments']

        if command in ('Mute', 'Unmute', 'SetVolume',
                       'SetSubtitleStreamIndex', 'SetAudioStreamIndex', 'SetRepeatMode'):

            if command == 'Mute':
                xbmc.executebuiltin('Mute')
            elif command == 'Unmute':
                xbmc.executebuiltin('Mute')
            elif command == 'SetVolume':
                xbmc.executebuiltin('SetVolume(%s[,showvolumebar])' % args['Volume'])
            elif command == 'SetRepeatMode':
                xbmc.executebuiltin('xbmc.PlayerControl(%s)' % args['RepeatMode'])
            elif command == 'SetAudioStreamIndex':
                self.player.set_audio_subs(args['Index'])
            elif command == 'SetSubtitleStreamIndex':
                self.player.set_audio_subs(None, args['Index'])

            self.player.report_playback()

        elif command == 'DisplayMessage':
            dialog("notification", heading=args['Header'], message=args['Text'],
                   icon="{emby}", time=int(settings('displayMessage'))*1000)

        elif command == 'SendString':
            JSONRPC('Input.SendText').execute({'text': args['String'], 'done': False})

        elif command == 'GoHome':
            JSONRPC('GUI.ActivateWindow').execute({'window': "home"})

        elif command == 'Guide':
            JSONRPC('GUI.ActivateWindow').execute({'window': "tvguide"})

        elif command in ('MoveUp', 'MoveDown', 'MoveRight', 'MoveLeft'):
            actions = {
                'MoveUp': "Input.Up",
                'MoveDown': "Input.Down",
                'MoveRight': "Input.Right",
                'MoveLeft': "Input.Left"
            }
            JSONRPC(actions[command]).execute()

        else:
            builtin = {
                'ToggleFullscreen': 'Action(FullScreen)',
                'ToggleOsdMenu': 'Action(OSD)',
                'ToggleContextMenu': 'Action(ContextMenu)',
                'Select': 'Action(Select)',
                'Back': 'Action(back)',
                'PageUp': 'Action(PageUp)',
                'NextLetter': 'Action(NextLetter)',
                'GoToSearch': 'VideoLibrary.Search',
                'GoToSettings': 'ActivateWindow(Settings)',
                'PageDown': 'Action(PageDown)',
                'PreviousLetter': 'Action(PrevLetter)',
                'TakeScreenshot': 'TakeScreenshot',
                'ToggleMute': 'Mute',
                'VolumeUp': 'Action(VolumeUp)',
                'VolumeDown': 'Action(VolumeDown)',
            }
            if command in builtin:
                xbmc.executebuiltin(builtin[command])


class Listener(threading.Thread):

    stop_thread = False

    def __init__(self, monitor):
        self.monitor = monitor

        threading.Thread.__init__(self)

    def run(self):

        ''' Detect the resume dialog for widgets.
            Detect external players.
        '''
        LOG.warn("--->[ listener ]")

        while not self.stop_thread:
            special_listener()

            if self.monitor.waitForAbort(0.5):
                # Abort was requested while waiting. We should exit
                break

        LOG.warn("---<[ listener ]")

    def stop(self):
        self.stop_thread = True
