# This file is part of Gajim.
#
# SPDX-License-Identifier: GPL-3.0-only

# XEP-0118: User Tune

from __future__ import annotations

from typing import Any

from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import JID
from nbxmpp.structs import MessageProperties
from nbxmpp.structs import TuneData

from gajim.common import app
from gajim.common import ged
from gajim.common import types
from gajim.common.dbus.music_track import MusicTrackListener
from gajim.common.events import MusicTrackChanged
from gajim.common.events import SignedIn
from gajim.common.modules.base import BaseModule
from gajim.common.modules.util import event_node
from gajim.common.modules.util import store_publish
from gajim.common.util.decorators import event_filter


class UserTune(BaseModule):

    _nbxmpp_extends = 'Tune'
    _nbxmpp_methods = [
        'set_tune',
    ]

    def __init__(self, con: types.Client) -> None:
        BaseModule.__init__(self, con)
        self._register_pubsub_handler(self._tune_received)
        self._current_tune: TuneData | None = None
        self._contact_tunes: dict[JID, TuneData | None] = {}

    def get_current_tune(self) -> TuneData | None:
        return self._current_tune

    def get_contact_tune(self, jid: JID) -> TuneData | None:
        return self._contact_tunes.get(jid)

    @event_node(Namespace.TUNE)
    def _tune_received(self,
                       _con: types.NBXMPPClient,
                       _stanza: Any,
                       properties: MessageProperties
                       ) -> None:
        assert properties.pubsub_event is not None
        if properties.pubsub_event.retracted:
            return

        data = properties.pubsub_event.data
        if properties.is_self_message:
            self._current_tune = data

        assert properties.jid is not None
        self._contact_tunes[properties.jid] = data

        contact = self._get_contact(properties.jid)
        contact.notify('tune-update', data)

    @store_publish
    def set_tune(self, tune: TuneData | None, force: bool = False) -> None:
        if not self._con.get_module('PEP').supported:
            return

        if not force and not app.settings.get_account_setting(
                self._account, 'publish_tune'):
            return

        if tune == self._current_tune:
            return

        self._current_tune = tune

        self._log.info('Send %s', tune)
        self._nbxmpp('Tune').set_tune(tune)

    def set_enabled(self, enable: bool) -> None:
        if enable:
            self.register_events([
                ('music-track-changed', ged.CORE, self._on_music_track_changed),
                ('signed-in', ged.CORE, self._on_signed_in),
            ])
            self._publish_current_tune()
        else:
            self.unregister_events()
            self.set_tune(None, force=True)

    def _publish_current_tune(self):
        self.set_tune(MusicTrackListener.get().current_tune)

    @event_filter(['account'])
    def _on_signed_in(self, _event: SignedIn) -> None:
        self._publish_current_tune()

    def _on_music_track_changed(self, event: MusicTrackChanged) -> None:
        if self._current_tune == event.info:
            return

        self.set_tune(event.info)
