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

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

import json
import logging
import threading

import xbmc
import xbmcgui

import downloadutils
import embydb_functions as embydb
import playbackutils as pbutils
from utils import window, settings, create_id
from ga_client import log_error
from database import DatabaseConn

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

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

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


class KodiMonitor(xbmc.Monitor):

    retry = True
    special_monitor = None

    def __init__(self):

        xbmc.Monitor.__init__(self)
        self.special_monitor = SpecialMonitor().start()

        self.download = downloadutils.DownloadUtils().downloadUrl
        log.info("Kodi monitor started")


    def onScanStarted(self, library):

        log.debug("Kodi library scan %s running", library)
        if library == "video":
            window('emby_kodiScan', value="true")

    def onScanFinished(self, library):

        log.info("Kodi library scan %s finished", library)
        if library == "video":
            window('emby_kodiScan', clear=True)

    def onSettingsChanged(self):
        # Monitor emby settings
        current_log_level = settings('logLevel')
        if window('emby_logLevel') != current_log_level:
            # The log level changed, set new prop
            log.info("New log level: %s", current_log_level)
            window('emby_logLevel', value=current_log_level)

        current_context = "true" if settings('enableContext') == "true" else ""
        if window('emby_context') != current_context:
            log.info("New context setting: %s", current_context)
            window('emby_context', value=current_context)

        current_context = "true" if settings('enableContextTranscode') == "true" else ""
        if window('emby_context_transcode') != current_context:
            log.info("New context transcode setting: %s", current_context)
            window('emby_context_transcode', value=current_context)

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

        if method not in ('Playlist.OnAdd', 'Player.OnStop', 'Player.OnClear'):
            log.info("Method: %s Data: %s", method, data)

        try:
            if data:
                data = json.loads(data, 'utf-8')
        except:
            log.info("Error parsing message data: %s", data)
            return

        if method == 'Player.OnPlay':
            self.retry = True
            self._on_play_(data)

        elif method == 'VideoLibrary.OnUpdate':
            self._video_update(data)

        elif method == 'System.OnSleep':
            # Connection is going to sleep
            log.info("Marking the server as offline. System.OnSleep activated.")
            window('emby_online', value="sleep")

        elif method == 'System.OnWake':
            self._system_wake()

        elif method == 'GUI.OnScreensaverDeactivated':
            self._screensaver_deactivated()

    def _on_play_(self, data):
        # Set up report progress for emby playback
        try:
            kodi_id = None

            if KODI >= 17 and xbmc.Player().isPlayingVideo():
                ''' Seems to misbehave when playback is not terminated prior to playing new content.
                    The kodi id remains that of the previous title. Maybe onPlay happens before
                    this information is updated. Added a failsafe further below.
                '''
                item = xbmc.Player().getVideoInfoTag()
                kodi_id = item.getDbId()
                item_type = item.getMediaType()

            if kodi_id is None or int(kodi_id) == -1 or 'item' in data and data['item'].get('id') != kodi_id:
                item = data['item']
                kodi_id = item['id']
                item_type = item['type']

            log.info("kodi_id: %s item_type: %s", kodi_id, item_type)             

        except (KeyError, TypeError):
            log.info("Item is invalid for playstate update")
            # Retry once, sometimes xbmc.Player().isPlayingVideo() will return false when played from widget.
            if self.retry:
                self.retry = False
                xbmc.sleep(200)
                return self._on_play_(data)
        else:
            if ((settings('useDirectPaths') == "1" and not item_type == "song") or
                (item_type == "song" and settings('enableMusic') == "true")):
                # Set up properties for player
                item_id = self._get_item_id(kodi_id, item_type)
                if item_id:
                    url = "{server}/emby/Users/{UserId}/Items/%s?format=json" % item_id
                    result = self.download(url)
                    log.debug("Item: %s", result)

                    playurl = None
                    count = 0
                    while not playurl and count < 2:
                        try:
                            playurl = xbmc.Player().getPlayingFile()
                        except RuntimeError:
                            count += 1
                            xbmc.sleep(200)
                        else:
                            window('emby_%s.play.json' % playurl, {

                                'playmethod': "DirectStream" if item_type == "song" and settings('streamMusic') == "true" else "DirectPlay",
                                'playsession_id': str(create_id()).replace("-", "")
                            })
                            listitem = xbmcgui.ListItem()
                            pbutils.PlaybackUtils(result).set_properties(playurl, listitem)

    def _video_update(self, data):
        # Manually marking as watched/unwatched
        try:
            item = data['item']
            kodi_id = item['id']
            item_type = item['type']
        except (KeyError, TypeError):
            log.info("Item is invalid for playstate update")
        else:
            # Send notification to the server.
            item_id = self._get_item_id(kodi_id, item_type)
            if item_id:
                # Stop from manually marking as watched unwatched, with actual playback.
                if window('emby.skip.%s' % item_id) == "true":
                    # property is set in player.py
                    window('emby.skip.%s' % item_id, clear=True)
                else:
                    # notify the server
                    url = "{server}/emby/Users/{UserId}/PlayedItems/%s?format=json" % item_id
                    if data.get('playcount') != 0:
                        self.download(url, action_type="POST")
                        log.info("Mark as watched for itemid: %s", item_id)
                    else:
                        self.download(url, action_type="DELETE")
                        log.info("Mark as unwatched for itemid: %s", item_id)

    @classmethod
    def _system_wake(cls):
        # Allow network to wake up
        xbmc.sleep(10000)
        window('emby_online', value="false")
        window('emby_onWake', value="true")

    @classmethod
    def _screensaver_deactivated(cls):

        if settings('dbSyncScreensaver') == "true":
            xbmc.sleep(5000)
            window('emby_onWake', value="true")

    @classmethod
    def _get_item_id(cls, kodi_id, item_type):

        item_id = None

        with DatabaseConn('emby') as cursor:
            emby_db = embydb.Embydb_Functions(cursor)
            db_item = emby_db.getItem_byKodiId(kodi_id, item_type)

        try:
            item_id = db_item[0]
        except TypeError:
            log.info("Could not retrieve item Id")

        return item_id


class SpecialMonitor(threading.Thread):

    _stop_thread = False
    external_count = 0

    def run(self):

        ''' Detect the resume dialog for widgets.
            Detect external players.
        '''

        monitor = xbmc.Monitor()
        log.warn("----====# Starting Special Monitor #====----")

        while not self._stop_thread:

            player = xbmc.Player()
            isPlaying = player.isPlaying()

            if (not isPlaying and xbmc.getCondVisibility('Window.IsVisible(DialogContextMenu.xml)') and
                xbmc.getInfoLabel('Control.GetLabel(1002)').decode('utf-8') == xbmc.getLocalizedString(12021)):

                control = int(xbmcgui.Window(10106).getFocusId())
                if control == 1002: # Start from beginning
                    log.info("Resume dialog: Start from beginning selected.")
                    window('emby.resume', clear=True)
                else:
                    log.info("Resume dialog: Resume selected.")
                    window('emby.resume', value="true")

            elif isPlaying and not window('emby.external_check'):
                time = player.getTime()

                if time > 1: # Not external player.
                    window('emby.external_check', value="true")
                    self.external_count = 0
                elif self.external_count == 120:
                    log.info("External player detected.")
                    window('emby.external', value="true")
                    window('emby.external_check', value="true")
                    self.external_count = 0
                elif time == 0:
                    self.external_count += 1


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

        log.warn("#====---- Special Monitor Stopped ----====#")

    def stop_monitor(self):
        self._stop_thread = True