# SPDX-License-Identifier: GPL-3.0-or-later
import xbmc
import xbmcplugin
from resources.lib.actions import action

from resources.lib.actions.addonaction import AddonAction
from resources.lib.addonsettings import AddonSettings
from resources.lib.chn_class import Channel
from resources.lib.helpers.encodinghelper import EncodingHelper
from resources.lib.helpers.jsonhelper import JsonHelper
from resources.lib.helpers.languagehelper import LanguageHelper
from resources.lib.locker import LockWithDialog
from resources.lib.logger import Logger
from resources.lib.actions.actionparser import ActionParser
from resources.lib.xbmcwrapper import XbmcWrapper
from resources.lib.mediaitem import MediaItem


class VideoAction(AddonAction):
    def __init__(self, parameter_parser, channel):
        """ Starts the videoitem using a playlist.

        :param ActionParser parameter_parser:  A ActionParser object to is used to parse
                                                and create urls
        :param Channel channel:                The channel info for the channel

        """

        super(VideoAction, self).__init__(parameter_parser)

        if channel is None:
            raise ValueError("No Channel specified for video to play")
        if parameter_parser.media_item is None:
            raise ValueError("No MediaItem to play")

        self.__channel = channel
        self.__media_item = parameter_parser.media_item

    def execute(self):
        from resources.lib import player

        Logger.debug("Playing videoitem using PlayListMethod")

        try:
            media_item = self.__media_item

            if not media_item.complete:
                media_item = self.__channel.process_video_item(media_item)

            # Any warning to show
            self.__show_warnings(media_item)

            # validated the updated media_item
            if not media_item.complete or not media_item.has_streams():
                Logger.warning(
                    "process_video_item returned an MediaItem that had MediaItem.complete = False:\n%s",
                    media_item)

            if not media_item.has_streams():
                # the update failed or no items where found. Don't play
                XbmcWrapper.show_notification(
                    LanguageHelper.get_localized_string(LanguageHelper.ErrorId),
                    LanguageHelper.get_localized_string(LanguageHelper.NoStreamsId),
                    XbmcWrapper.Error)
                Logger.warning("Could not start playback due to missing streams. Item:\n%s",
                               media_item)
                xbmcplugin.endOfDirectory(self.handle, False)
                return

            kodi_item, start_url = media_item.get_resolved_kodi_item(
                AddonSettings.get_max_stream_bitrate(self.__channel)
            )

            Logger.debug("Continuing playback in plugin.py")
            if not bool(kodi_item):
                Logger.warning("play_video_item did not return valid playdata")
                xbmcplugin.endOfDirectory(self.handle, False)
                return

            # Now we force the busy dialog to close, else the video will not play and the
            # setResolved will not work.
            LockWithDialog.close_busy_dialog()

            # Set the resolved url
            xbmcplugin.setResolvedUrl(self.handle, True, kodi_item)

            # Set the mode (if the InputStream Adaptive add-on is used, we also need to set it)
            show_subs = AddonSettings.show_subtitles()

            # TODO: Apparently if we use the InputStream Adaptive, using the setSubtitles() causes sync issues.
            available_subs = [media_item.subtitle]

            # Get the Kodi Player instance (let Kodi decide what player, see
            # http://forum.kodi.tv/showthread.php?tid=173887&pid=1516662#pid1516662)
            kodi_player = player.Player(show_subs=show_subs, subs=available_subs)
            kodi_player.waitForPlayBack(url=start_url, time_out=30)

            if AddonSettings.use_up_next() and not media_item.isLive:
                # Wrap in setting for Next Up
                self.__call_upnext(media_item)

            xbmcplugin.endOfDirectory(self.handle, True)
        except:
            XbmcWrapper.show_notification(
                LanguageHelper.get_localized_string(LanguageHelper.ErrorId),
                LanguageHelper.get_localized_string(LanguageHelper.NoPlaybackId),
                XbmcWrapper.Error)
            Logger.critical("Could not playback the url", exc_info=True)

            # We need to single Kodi that it failed and it should not wait longer. Either using a
            # `raise` or with `xbmcplugin.endOfDirectory`. Doing the latter for now although we are
            # not really playing.
            xbmcplugin.endOfDirectory(self.handle, False)

        return

    def __show_warnings(self, media_item):
        """ Show playback warnings for this MediaItem

        :param MediaItem media_item: The current MediaItem that will be played.

        """

        if (media_item.isDrmProtected or media_item.isPaid) and AddonSettings.show_drm_paid_warning():
            if media_item.isDrmProtected:
                try:
                    import inputstreamhelper
                    is_helper = inputstreamhelper.Helper("mpd", drm="com.widevine.alpha")
                    if is_helper.check_inputstream():
                        Logger.debug("Widevine available, skipping DRM warning regardless of setting")
                        return
                except Exception:
                    pass
                Logger.debug("Showing DRM Warning message")
                title = LanguageHelper.get_localized_string(LanguageHelper.DrmTitle)
                message = LanguageHelper.get_localized_string(LanguageHelper.DrmText)
                XbmcWrapper.show_dialog(title, message)
            elif media_item.isPaid:
                Logger.debug("Showing Paid Warning message")
                title = LanguageHelper.get_localized_string(LanguageHelper.PaidTitle)
                message = LanguageHelper.get_localized_string(LanguageHelper.PaidText)
                XbmcWrapper.show_dialog(title, message)

    def __call_upnext(self, media_item):
        """ Calls UpNext to send information on the next episode.

        :param MediaItem media_item: the current itme.

        """

        store_id, siblings = self.parameter_parser.pickler.de_pickle_child_items(
            self.parameter_parser.pickle_hash)
        siblings = [s for s in siblings.values() if s.is_playable]

        # Sort based on season-episode-date-name (000-000-0000-00-00-aaaaa)
        siblings.sort(key=lambda s: s.get_upnext_sort_key())

        # Sort it and find the next items to play
        current_idx = siblings.index(media_item)
        Logger.debug("Found current item at index %s of %d: %s\n%s", current_idx,
                     len(siblings), media_item, media_item.get_upnext_sort_key())
        if current_idx + 1 >= len(siblings):
            return

        next_item = siblings[current_idx + 1]
        Logger.debug("Found next item: %s\n%s", next_item, next_item.get_upnext_sort_key())
        self.__notify_up_next(media_item, next_item, store_id)

    def __notify_up_next(self, current_item, next_item, store_id):
        """ Send a notification to Up Next

        :param str store_id:             The store_id of the parent.
        :param MediaItem current_item:   The current item
        :param MediaItem next_item:      The next item.

        """

        current_un = self.__get_up_next_data(current_item, store_id)
        next_un = self.__get_up_next_data(next_item, store_id)

        url = next_item.actionUrl
        if url is None:
            url = self.parameter_parser.create_action_url(
                self.__channel, action=action.PLAY_VIDEO, item=next_item, store_id=store_id)

        next_info = dict(
            current_episode=current_un,
            next_episode=next_un,
            play_url=url
        )
        # Base64 encode
        b64_data = EncodingHelper.encode_base64(JsonHelper.dump(next_info))

        data = dict(
            id=0,
            jsonrpc="2.0",
            method="JSONRPC.NotifyAll",
            params=dict(
                sender="plugin.video.retrospect.SIGNAL",
                message="upnext_data",
                data=[b64_data.decode('utf-8')]
            )
        )
        Logger.debug("UpNext data: %s", next_info)
        Logger.trace("UpNext JsonRPC: %s", data)
        result = xbmc.executeJSONRPC(JsonHelper.dump(data, pretty_print=False))
        Logger.trace("UpNext result: %s", result)

    def __get_up_next_data(self, item, store_id):
        """ Create the Up Next data. See https://github.com/im85288/service.upnext/wiki/Integration

        :param str store_id:    The parent GUID
        :param MediaItem item:  A MediaItem to convert

        :return: an Up Next dictionary
        :rtype: dict

        """

        result = dict(
            episodeid=item.guid,
            tvshowid=store_id,
            title=item.name,
            art={
                'thumb': item.thumb,
                # 'tvshow.clearart': "",
                # 'tvshow.clearlogo': "",
                # 'tvshow.fanart': item.fanart,
                # 'tvshow.landscape:': "",
                # 'tvshow.poster': item.poster,
            },
            season=item.season or "",
            episode=item.episode or "",
            showtitle=item.tv_show_title or "",
            plot=item.description,
            playcount=1,
            rating=1,
            firstaired=item.get_date()
        )

        duration = item.get_info_label("duration")
        if duration:
            result["runtime"] = duration

        if item.poster:
            result["art"]["tvshow.poster"] = item.poster

        return result
